| Commit message (Collapse) | Author | Age | Files | Lines |
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new endpoint should start from DATA0,
but mod_host didn't care it.
This patch fix it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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renesas_usbhs is caring pipe type and its direction.
but current usbhs_endpoint_alloc() didn't check direction.
this patch modify it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Since commit "193ab2a usb: gadget: allow multiple gadgets to be built"
the udc controllers can be compiled as a module. The ci13xxx_msm driver
is missing the MODULE_LICENSE statement, so loading fails with:
ci13xxx_msm: module license 'unspecified' taints kernel.
ci13xxx_msm: Unknown symbol dev_set_name (err 0)
ci13xxx_msm: Unknown symbol platform_get_irq (err 0)
ci13xxx_msm: Unknown symbol device_unregister (err 0)
ci13xxx_msm: Unknown symbol usb_add_gadget_udc (err 0)
ci13xxx_msm: Unknown symbol put_device (err 0)
ci13xxx_msm: Unknown symbol platform_driver_register (err 0)
ci13xxx_msm: Unknown symbol platform_get_resource (err 0)
ci13xxx_msm: Unknown symbol device_register (err 0)
ci13xxx_msm: Unknown symbol usb_del_gadget_udc (err 0)
This patch adds the missing MODULE_LICENSE statement with GPL v2 according
to the header of the driver.
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the following compile errors that show up if switching
on the debug trace code:
drivers/usb/gadget/ci13xxx_udc.c: In function 'ci13xxx_wakeup':
drivers/usb/gadget/ci13xxx_udc.c:2517:3: error: 'dev' undeclared (first use in this function)
drivers/usb/gadget/ci13xxx_udc.c:2517:3: note: each undeclared identifier is reported only once for each function it appears in
drivers/usb/gadget/ci13xxx_udc.c: In function 'udc_probe':
drivers/usb/gadget/ci13xxx_udc.c:2867:2: error: 'name' undeclared (first use in this function)
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The inline documentation of _gadget_stop_activity() states that the
function should be called holding the udc->lock. This however will
result in a deadlock, because _gadget_stop_activity() takes the udc->lock.
During normal operation _gadget_stop_activity() is always called unlocked,
but in ci13xxx_stop() it's called locked, this results in the following
deadlock during rmmod of a gadget driver.
This patch fixes the deadlock by calling _gadget_stop_activity() always
unlocked, the inline documentation is adjusted accordingly.
=============================================
[ INFO: possible recursive locking detected ]
3.1.0-rc6+ #159
---------------------------------------------
rmmod/121 is trying to acquire lock:
(udc_lock){-.-...}, at: [<c0229048>] _gadget_stop_activity+0x18/0x154
but task is already holding lock:
(udc_lock){-.-...}, at: [<c02291e0>] ci13xxx_stop+0x5c/0x164
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(udc_lock);
lock(udc_lock);
*** DEADLOCK ***
May be due to missing lock nesting notation
2 locks held by rmmod/121:
#0: (udc_lock#2){+.+.+.}, at: [<c02286c0>] usb_gadget_unregister_driver+0x34/0x88
#1: (udc_lock){-.-...}, at: [<c02291e0>] ci13xxx_stop+0x5c/0x164
stack backtrace:
[<c000d41c>] (unwind_backtrace+0x0/0xf0) from [<c0056f94>] (check_deadlock.clone.24+0x284/0x2c4)
[<c0056f94>] (check_deadlock.clone.24+0x284/0x2c4) from [<c00589ac>] (validate_chain.clone.25+0x430/0x6fc)
[<c00589ac>] (validate_chain.clone.25+0x430/0x6fc) from [<c0059bac>] (__lock_acquire+0x494/0x8f0)
[<c0059bac>] (__lock_acquire+0x494/0x8f0) from [<c005a698>] (lock_acquire+0x98/0x1a8)
[<c005a698>] (lock_acquire+0x98/0x1a8) from [<c02f12a4>] (_raw_spin_lock_irqsave+0x64/0xa0)
[<c02f12a4>] (_raw_spin_lock_irqsave+0x64/0xa0) from [<c0229048>] (_gadget_stop_activity+0x18/0x154)
[<c0229048>] (_gadget_stop_activity+0x18/0x154) from [<c0229234>] (ci13xxx_stop+0xb0/0x164)
[<c0229234>] (ci13xxx_stop+0xb0/0x164) from [<c022867c>] (usb_gadget_remove_driver+0x88/0x98)
[<c022867c>] (usb_gadget_remove_driver+0x88/0x98) from [<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88)
[<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88) from [<c0065f2c>] (sys_delete_module+0x1fc/0x26c)
[<c0065f2c>] (sys_delete_module+0x1fc/0x26c) from [<c00092a0>] (ret_fast_syscall+0x0/0x38)
BUG: spinlock lockup on CPU#0, rmmod/121, c05b1644
[<c000d41c>] (unwind_backtrace+0x0/0xf0) from [<c01da000>] (do_raw_spin_lock+0x128/0x144)
[<c01da000>] (do_raw_spin_lock+0x128/0x144) from [<c02f12c8>] (_raw_spin_lock_irqsave+0x88/0xa0)
[<c02f12c8>] (_raw_spin_lock_irqsave+0x88/0xa0) from [<c0229048>] (_gadget_stop_activity+0x18/0x154)
[<c0229048>] (_gadget_stop_activity+0x18/0x154) from [<c0229234>] (ci13xxx_stop+0xb0/0x164)
[<c0229234>] (ci13xxx_stop+0xb0/0x164) from [<c022867c>] (usb_gadget_remove_driver+0x88/0x98)
[<c022867c>] (usb_gadget_remove_driver+0x88/0x98) from [<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88)
[<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88) from [<c0065f2c>] (sys_delete_module+0x1fc/0x26c)
[<c0065f2c>] (sys_delete_module+0x1fc/0x26c) from [<c00092a0>] (ret_fast_syscall+0x0/0x38)
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The current driver sets the request's dma addr (mReq->req.dma) to 0 to
mark the DMA address as not valid. However some gadget drivers
(e.g. gadgetfs) set the request's dma addr to DMA_ADDR_INVALID to mark
the address as invalid. This leads to bogus data send because the
ci13xxx_udc driver assumes the request has already been mapped.
This patch fixes the problem, by using DMA_ADDR_INVALID instead of 0
to mark the request's DMA address as invalid.
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Under certain circumstances lockdep finds an inconsistent lock state in
gadgetfs. The problem can be reproduced with a hardware using the
ci13xxx_udc driver and the gadgetfs test program (needs a patch to support
the ci13xxx_udc, though):
http://www.linux-usb.org/gadget/usb.c
Start the test program, wait to initialize, then press Ctrl+c.
This patch fixes the following problem by using spin_lock_irqsave()
instead of spin_lock().
=================================
[ INFO: inconsistent lock state ]
3.1.0-rc6+ #158
---------------------------------
inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
usb/113 [HC0[0]:SC0[0]:HE1:SE1] takes:
(&(&dev->lock)->rlock){?.....}, at: [<bf000340>] gadgetfs_disconnect+0x14/0x80 [gadgetfs]
{IN-HARDIRQ-W} state was registered at:
[<c00596b8>] mark_irqflags+0x14c/0x1ac
[<c0059bf8>] __lock_acquire+0x4e0/0x8f0
[<c005a698>] lock_acquire+0x98/0x1a8
[<c02f10e0>] _raw_spin_lock+0x54/0x8c
[<bf000340>] gadgetfs_disconnect+0x14/0x80 [gadgetfs]
[<c0229104>] _gadget_stop_activity+0xd4/0x154
[<c022b130>] isr_reset_handler+0x34/0x1c0
[<c022c320>] udc_irq+0x204/0x228
[<c0069018>] handle_irq_event_percpu+0x64/0x3a0
[<c0069390>] handle_irq_event+0x3c/0x5c
[<c006ae5c>] handle_level_irq+0x8c/0x10c
[<c0068a34>] generic_handle_irq+0x30/0x44
[<c0009b2c>] handle_IRQ+0x30/0x84
[<c0008ef8>] __irq_svc+0x38/0x60
[<c0009c58>] default_idle+0x30/0x34
[<c0009e30>] cpu_idle+0x9c/0xd8
[<c04056f4>] start_kernel+0x278/0x2bc
irq event stamp: 6412
hardirqs last enabled at (6412): [<c02f1cd0>] _raw_spin_unlock_irqrestore+0x30/0x5c
hardirqs last disabled at (6411): [<c02f1278>] _raw_spin_lock_irqsave+0x20/0xa0
softirqs last enabled at (6381): [<c002833c>] irq_exit+0xa0/0xa8
softirqs last disabled at (6372): [<c002833c>] irq_exit+0xa0/0xa8
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&dev->lock)->rlock);
<Interrupt>
lock(&(&dev->lock)->rlock);
*** DEADLOCK ***
1 lock held by usb/113:
#0: (udc_lock#2){+.+.+.}, at: [<c02286c0>] usb_gadget_unregister_driver+0x34/0x88
stack backtrace:
[<c000d41c>] (unwind_backtrace+0x0/0xf0) from [<c0058e98>] (print_usage_bug+0x144/0x1c4)
[<c0058e98>] (print_usage_bug+0x144/0x1c4) from [<c0059144>] (mark_lock_irq+0x22c/0x274)
[<c0059144>] (mark_lock_irq+0x22c/0x274) from [<c00592d4>] (mark_lock+0x148/0x3e0)
[<c00592d4>] (mark_lock+0x148/0x3e0) from [<c0059668>] (mark_irqflags+0xfc/0x1ac)
[<c0059668>] (mark_irqflags+0xfc/0x1ac) from [<c0059bf8>] (__lock_acquire+0x4e0/0x8f0)
[<c0059bf8>] (__lock_acquire+0x4e0/0x8f0) from [<c005a698>] (lock_acquire+0x98/0x1a8)
[<c005a698>] (lock_acquire+0x98/0x1a8) from [<c02f10e0>] (_raw_spin_lock+0x54/0x8c)
[<c02f10e0>] (_raw_spin_lock+0x54/0x8c) from [<bf000340>] (gadgetfs_disconnect+0x14/0x80 [gadgetfs])
[<bf000340>] (gadgetfs_disconnect+0x14/0x80 [gadgetfs]) from [<c0229104>] (_gadget_stop_activity+0xd4/0x154)
[<c0229104>] (_gadget_stop_activity+0xd4/0x154) from [<c0229240>] (ci13xxx_stop+0xbc/0x17c)
[<c0229240>] (ci13xxx_stop+0xbc/0x17c) from [<c022867c>] (usb_gadget_remove_driver+0x88/0x98)
[<c022867c>] (usb_gadget_remove_driver+0x88/0x98) from [<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88)
[<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88) from [<bf0003e8>] (dev_release+0x14/0x48 [gadgetfs])
[<bf0003e8>] (dev_release+0x14/0x48 [gadgetfs]) from [<c00cc158>] (__fput+0xa4/0x1f0)
[<c00cc158>] (__fput+0xa4/0x1f0) from [<c00c7f28>] (filp_close+0x5c/0x74)
[<c00c7f28>] (filp_close+0x5c/0x74) from [<c00c7fe8>] (sys_close+0xa8/0x150)
[<c00c7fe8>] (sys_close+0xa8/0x150) from [<c00092a0>] (ret_fast_syscall+0x0/0x38)
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The dynamic jack allocation of the MIDI gadget currently links all
external jacks to one single instance of an embedded jack. According to
the spec, this is only valid if these streams always carry the same data
stream, as described in the USB MIDI 1.0 spec, chapter 3.3.1.
Also, genius Windows 7(tm) terminates it's life cycle instantly with a
blue screen of death once a device with more than one input and output
port with the current implementation is connected.
While at it, and because it grew again by this change, allocate the
temporary function pointer list on the heap, not on the stack.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The USB-IF CV compliance tester is getting stricter, and it would
be valid for it to fail a mass-storage device that accepts an
invalid USB_BULK_RESET_REQUEST request. Although it doesn't do
that yet, let's be proactive and fix that now.
Suggested by Alan Stern.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The latest USB-IF CV tester checks for a valid length for this
request.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix up the following section mismatch warnings:
WARNING: drivers/usb/renesas_usbhs/renesas_usbhs.o(.text+0xf5d): Section
mismatch in reference from the function usbhs_mod_probe() to the function
.devinit.text:usbhs_mod_host_probe() The function usbhs_mod_probe() references
the function __devinit usbhs_mod_host_probe(). This is often because
usbhs_mod_probe lacks a __devinit annotation or the annotation of
usbhs_mod_host_probe is wrong.
WARNING: drivers/usb/renesas_usbhs/renesas_usbhs.o(.text+0xfd7): Section
mismatch in reference from the function usbhs_mod_probe() to the function
.devexit.text:usbhs_mod_host_remove() The function usbhs_mod_probe() references
a function in an exit section. Often the function usbhs_mod_host_remove() has
valid usage outside the exit section and the fix is to remove the __devexit
annotation of usbhs_mod_host_remove.
WARNING: drivers/usb/renesas_usbhs/renesas_usbhs.o(.text+0x1005): Section
mismatch in reference from the function usbhs_mod_remove() to the function
.devexit.text:usbhs_mod_host_remove() The function usbhs_mod_remove()
references a function in an exit section. Often the function
usbhs_mod_host_remove() has valid usage outside the exit section and the fix is
to remove the __devexit annotation of usbhs_mod_host_remove.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this patch fixup bogus conversion of
8a9775ab71218690ac34bed9e237e2b968857d3a
(usb: gadget: renesas_usbhs: fix compile warning)
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Since renesas_usbhs mod_host didn't use
struct completion as static object, the warning of lockdep came out.
This patch fixup this issue.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix compile error in file drivers/usb/gadget/fsl_udc_core.c.
drivers/usb/gadget/fsl_udc_core.c: In function 'portscx_device_speed':
drivers/usb/gadget/fsl_udc_core.c:1720: error: 'speed' undeclared (first
use in this function)
Introduced in commit e538dfdae85244fd2c4231725d82cc1f1bc4942c
(usb: Provide usb_speed_string() function)
Signed-off-by: Alexander Aring <a.aring@phytec.de>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The "BCLR" in CFIFOCTR/DnFIFOCTR can flush the fifo of "CPU side" only.
To flush the fifo of "SIE side", we have to use the "ACLRM" in PIPEnCTR.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The udc-newstyle needs device_register in probe() of platform_device.
If it doesn't call, kernel panic happens in the sysfs_create_dir() when
we run modprobe a gadget driver.
[ balbi@ti.com : fix compile warning introduced by this patch ]
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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USB_MUSB_HDRC depends on USB_GADGET_DUALSPEED. If HDRC is selected
but DUALSPEED is not, the kernel oopses:
[ 3.132781] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 3.141296] pgd = c0004000
[ 3.144134] [00000000] *pgd=00000000
[ 3.147918] Internal error: Oops: 5 [#1] SMP
[ 3.152404] Modules linked in:
[ 3.155609] CPU: 0 Not tainted (3.1.0-rc9-wl+ #417)
[ 3.161132] PC is at composite_setup+0x738/0xbb4
[ 3.165985] LR is at vprintk+0x400/0x47c
[ 3.170135] pc : [<c031df90>] lr : [<c004c150>] psr: 60000093
[ 3.170135] sp : c065dd50 ip : dfb1f0fc fp : c065ddbc
[ 3.182220] r10: 00000000 r9 : df8fcae8 r8 : df8fcaa0
[ 3.187713] r7 : 00000000 r6 : df8eaa20 r5 : dfae8ea0 r4 : 00000000
[ 3.194580] r3 : df8fcae8 r2 : 00010002 r1 : c065dc40 r0 : 00000047
[ 3.201446] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 3.209228] Control: 10c53c7d Table: 8000404a DAC: 00000015
[ 3.215270] Process swapper (pid: 0, stack limit = 0xc065c2f8)
[ 3.221405] Stack: (0xc065dd50 to 0xc065e000)
[...]
[ 3.415405] [<c031df90>] (composite_setup+0x738/0xbb4) from [<c0310d18>] (musb_g_ep0_irq+0x9d0/0xaf8)
[ 3.425109] [<c0310d18>] (musb_g_ep0_irq+0x9d0/0xaf8) from [<c030fb04>] (musb_interrupt+0xb48/0xc74)
[ 3.434722] [<c030fb04>] (musb_interrupt+0xb48/0xc74) from [<c030fc98>] (generic_interrupt+0x68/0x80)
[ 3.444458] [<c030fc98>] (generic_interrupt+0x68/0x80) from [<c0095204>] (handle_irq_event_percpu+0x9c/0x234)
[ 3.454925] [<c0095204>] (handle_irq_event_percpu+0x9c/0x234) from [<c00953e8>] (handle_irq_event+0x4c/0x6c)
[ 3.465270] [<c00953e8>] (handle_irq_event+0x4c/0x6c) from [<c0097e10>] (handle_fasteoi_irq+0xd8/0x110)
[ 3.475158] [<c0097e10>] (handle_fasteoi_irq+0xd8/0x110) from [<c0094d2c>] (generic_handle_irq+0x34/0x3c)
[ 3.485260] [<c0094d2c>] (generic_handle_irq+0x34/0x3c) from [<c0014ae4>] (handle_IRQ+0x88/0xc8)
[ 3.494537] [<c0014ae4>] (handle_IRQ+0x88/0xc8) from [<c00085b0>] (asm_do_IRQ+0x18/0x1c)
[ 3.503051] [<c00085b0>] (asm_do_IRQ+0x18/0x1c) from [<c0429e78>] (__irq_svc+0x38/0xc0)
This patch changes Kconfig so that USB_GADGET_DUALSPEED is selected
automatically by USB_MUSB_HDRC.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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ARCH_U8500 covers both MACH_U8500 and MACH_U5500
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Those are simply giving information about the current
state of the UDC, nothing really fancy. We can let
everybody read those.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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usb_gadget_disconnect() is responsible of removing
data pullups. Before doing that we must, first, tell
gadget driver we're disconnecting (by calling disconnect
method on gadget driver structure), unbind the gadget
driver and stop the controller.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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that has already being done by udc-core.c. It's
unnecessary and might cause issues with some gadget
drivers.
Tested: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We should not be using dev_get_drvdata() because we
never call dev_set_drvdata(). Let's use container_of()
as all other sysfs attributes.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus
* 'for-usb-linus' of ra.kernel.org:/pub/scm/linux/kernel/git/sarah/xhci:
usb, xhci: Clear warm reset change event during init
xhci: Set slot and ep0 flags for address command.
usb, xhci: fix lockdep warning on endpoint timeout
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I noticed on my Panther Point system that I wasn't getting hotplug events
for my usb3.0 disk on a usb3 port. I tracked it down to the fact that the
system had the warm reset change bit still set. This seemed to block future
events from being received, including a hotplug event.
Clearing this bit during initialization allowed the hotplug event to be
received and the disk to be recognized correctly.
This patch should be backported to kernels as old as 2.6.39.
Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
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Matt's AsMedia xHCI host controller was responding with a Context Error
to an address device command after a configured device reset. Some
sequence of events leads both the slot and endpoint zero add flags
cleared to zero, which the AsMedia host doesn't like:
[ 223.701839] xhci_hcd 0000:03:00.0: Slot ID 1 Input Context:
[ 223.701841] xhci_hcd 0000:03:00.0: @ffff880137b25000 (virt) @ffffc000 (dma) 0x000000 - drop flags
[ 223.701843] xhci_hcd 0000:03:00.0: @ffff880137b25004 (virt) @ffffc004 (dma) 0x000000 - add flags
[ 223.701846] xhci_hcd 0000:03:00.0: @ffff880137b25008 (virt) @ffffc008 (dma) 0x000000 - rsvd2[0]
[ 223.701848] xhci_hcd 0000:03:00.0: @ffff880137b2500c (virt) @ffffc00c (dma) 0x000000 - rsvd2[1]
[ 223.701850] xhci_hcd 0000:03:00.0: @ffff880137b25010 (virt) @ffffc010 (dma) 0x000000 - rsvd2[2]
[ 223.701852] xhci_hcd 0000:03:00.0: @ffff880137b25014 (virt) @ffffc014 (dma) 0x000000 - rsvd2[3]
[ 223.701854] xhci_hcd 0000:03:00.0: @ffff880137b25018 (virt) @ffffc018 (dma) 0x000000 - rsvd2[4]
[ 223.701857] xhci_hcd 0000:03:00.0: @ffff880137b2501c (virt) @ffffc01c (dma) 0x000000 - rsvd2[5]
[ 223.701858] xhci_hcd 0000:03:00.0: Slot Context:
[ 223.701860] xhci_hcd 0000:03:00.0: @ffff880137b25020 (virt) @ffffc020 (dma) 0x8400000 - dev_info
[ 223.701862] xhci_hcd 0000:03:00.0: @ffff880137b25024 (virt) @ffffc024 (dma) 0x010000 - dev_info2
[ 223.701864] xhci_hcd 0000:03:00.0: @ffff880137b25028 (virt) @ffffc028 (dma) 0x000000 - tt_info
[ 223.701866] xhci_hcd 0000:03:00.0: @ffff880137b2502c (virt) @ffffc02c (dma) 0x000000 - dev_state
[ 223.701869] xhci_hcd 0000:03:00.0: @ffff880137b25030 (virt) @ffffc030 (dma) 0x000000 - rsvd[0]
[ 223.701871] xhci_hcd 0000:03:00.0: @ffff880137b25034 (virt) @ffffc034 (dma) 0x000000 - rsvd[1]
[ 223.701873] xhci_hcd 0000:03:00.0: @ffff880137b25038 (virt) @ffffc038 (dma) 0x000000 - rsvd[2]
[ 223.701875] xhci_hcd 0000:03:00.0: @ffff880137b2503c (virt) @ffffc03c (dma) 0x000000 - rsvd[3]
[ 223.701877] xhci_hcd 0000:03:00.0: Endpoint 00 Context:
[ 223.701879] xhci_hcd 0000:03:00.0: @ffff880137b25040 (virt) @ffffc040 (dma) 0x000000 - ep_info
[ 223.701881] xhci_hcd 0000:03:00.0: @ffff880137b25044 (virt) @ffffc044 (dma) 0x2000026 - ep_info2
[ 223.701883] xhci_hcd 0000:03:00.0: @ffff880137b25048 (virt) @ffffc048 (dma) 0xffffe8e0 - deq
[ 223.701885] xhci_hcd 0000:03:00.0: @ffff880137b25050 (virt) @ffffc050 (dma) 0x000000 - tx_info
[ 223.701887] xhci_hcd 0000:03:00.0: @ffff880137b25054 (virt) @ffffc054 (dma) 0x000000 - rsvd[0]
[ 223.701889] xhci_hcd 0000:03:00.0: @ffff880137b25058 (virt) @ffffc058 (dma) 0x000000 - rsvd[1]
[ 223.701892] xhci_hcd 0000:03:00.0: @ffff880137b2505c (virt) @ffffc05c (dma) 0x000000 - rsvd[2]
...
[ 223.701927] xhci_hcd 0000:03:00.0: // Ding dong!
[ 223.701992] xhci_hcd 0000:03:00.0: Setup ERROR: address device command for slot 1.
The xHCI spec says that both flags must be set to one for the Address
Device command. When the device is first enumerated,
xhci_setup_addressable_virt_dev() does set those flags. However, when
the device is addressed after it has been reset in the configured state,
xhci_setup_addressable_virt_dev() is not called, and
xhci_copy_ep0_dequeue_into_input_ctx() is called instead. That function
relies on the flags being set up by previous commands, which apparently
isn't a good assumption.
Move the setting of the flags into the common parent function.
This should be queued for stable kernels as old as 2.6.35, since that
was the first introduction of xhci_copy_ep0_dequeue_into_input_ctx.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Matt <mdm@iinet.net.au>
Cc: stable@vger.kernel.org
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While debugging a usb3 problem, I stumbled upon this lockdep warning.
Oct 18 21:41:17 dhcp47-74 kernel: =================================
Oct 18 21:41:17 dhcp47-74 kernel: [ INFO: inconsistent lock state ]
Oct 18 21:41:17 dhcp47-74 kernel: 3.1.0-rc4nmi+ #456
Oct 18 21:41:17 dhcp47-74 kernel: ---------------------------------
Oct 18 21:41:17 dhcp47-74 kernel: inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
Oct 18 21:41:17 dhcp47-74 kernel: swapper/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
Oct 18 21:41:17 dhcp47-74 kernel: (&(&xhci->lock)->rlock){?.-...}, at: [<ffffffffa0228990>] xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: {IN-HARDIRQ-W} state was registered at:
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109a941>] __lock_acquire+0x781/0x1660
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109bed7>] lock_acquire+0x97/0x170
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81501b46>] _raw_spin_lock+0x46/0x80
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa02299fa>] xhci_irq+0x3a/0x1960 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa022b351>] xhci_msi_irq+0x31/0x40 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810d2305>] handle_irq_event_percpu+0x85/0x320
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810d25e8>] handle_irq_event+0x48/0x70
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810d537d>] handle_edge_irq+0x6d/0x130
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810048c9>] handle_irq+0x49/0xa0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150d56d>] do_IRQ+0x5d/0xe0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff815029b0>] ret_from_intr+0x0/0x13
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81388aca>] usb_set_device_state+0x8a/0x180
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8138f038>] usb_add_hcd+0x2b8/0x730
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa022ed7e>] xhci_pci_probe+0x9e/0xd4 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8127915f>] local_pci_probe+0x5f/0xd0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8127a569>] pci_device_probe+0x119/0x120
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81334473>] driver_probe_device+0xa3/0x2c0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8133473b>] __driver_attach+0xab/0xb0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8133373c>] bus_for_each_dev+0x6c/0xa0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff813341fe>] driver_attach+0x1e/0x20
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81333b88>] bus_add_driver+0x1f8/0x2b0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81334df6>] driver_register+0x76/0x140
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8127a7c6>] __pci_register_driver+0x66/0xe0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa013c04a>] snd_timer_find+0x4a/0x70 [snd_timer]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa013c00e>] snd_timer_find+0xe/0x70 [snd_timer]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810001d3>] do_one_initcall+0x43/0x180
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810a9ed2>] sys_init_module+0x92/0x1f0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150ab6b>] system_call_fastpath+0x16/0x1b
Oct 18 21:41:17 dhcp47-74 kernel: irq event stamp: 631984
Oct 18 21:41:17 dhcp47-74 kernel: hardirqs last enabled at (631984): [<ffffffff81502720>] _raw_spin_unlock_irq+0x30/0x50
Oct 18 21:41:17 dhcp47-74 kernel: hardirqs last disabled at (631983): [<ffffffff81501c49>] _raw_spin_lock_irq+0x19/0x90
Oct 18 21:41:17 dhcp47-74 kernel: softirqs last enabled at (631980): [<ffffffff8105ff63>] _local_bh_enable+0x13/0x20
Oct 18 21:41:17 dhcp47-74 kernel: softirqs last disabled at (631981): [<ffffffff8150ce6c>] call_softirq+0x1c/0x30
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: other info that might help us debug this:
Oct 18 21:41:17 dhcp47-74 kernel: Possible unsafe locking scenario:
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: CPU0
Oct 18 21:41:17 dhcp47-74 kernel: ----
Oct 18 21:41:17 dhcp47-74 kernel: lock(&(&xhci->lock)->rlock);
Oct 18 21:41:17 dhcp47-74 kernel: <Interrupt>
Oct 18 21:41:17 dhcp47-74 kernel: lock(&(&xhci->lock)->rlock);
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: *** DEADLOCK ***
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: 1 lock held by swapper/0:
Oct 18 21:41:17 dhcp47-74 kernel: #0: (&ep->stop_cmd_timer){+.-...}, at: [<ffffffff8106abf2>] run_timer_softirq+0x162/0x570
Oct 18 21:41:17 dhcp47-74 kernel:
Oct 18 21:41:17 dhcp47-74 kernel: stack backtrace:
Oct 18 21:41:17 dhcp47-74 kernel: Pid: 0, comm: swapper Tainted: G W 3.1.0-rc4nmi+ #456
Oct 18 21:41:17 dhcp47-74 kernel: Call Trace:
Oct 18 21:41:17 dhcp47-74 kernel: <IRQ> [<ffffffff81098ed7>] print_usage_bug+0x227/0x270
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810999c6>] mark_lock+0x346/0x410
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109a7de>] __lock_acquire+0x61e/0x1660
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81099893>] ? mark_lock+0x213/0x410
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8109bed7>] lock_acquire+0x97/0x170
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228990>] ? xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81501b46>] _raw_spin_lock+0x46/0x80
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228990>] ? xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228990>] xhci_stop_endpoint_command_watchdog+0x30/0x340 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8106abf2>] ? run_timer_softirq+0x162/0x570
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8106ac9d>] run_timer_softirq+0x20d/0x570
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8106abf2>] ? run_timer_softirq+0x162/0x570
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffffa0228960>] ? xhci_queue_isoc_tx_prepare+0x8e0/0x8e0 [xhci_hcd]
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff810604d2>] __do_softirq+0xf2/0x3f0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81020edd>] ? lapic_next_event+0x1d/0x30
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81090d4e>] ? clockevents_program_event+0x5e/0x90
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150ce6c>] call_softirq+0x1c/0x30
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8100484d>] do_softirq+0x8d/0xc0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8105ff35>] irq_exit+0xe5/0x100
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150d65e>] smp_apic_timer_interrupt+0x6e/0x99
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff8150b6f0>] apic_timer_interrupt+0x70/0x80
Oct 18 21:41:17 dhcp47-74 kernel: <EOI> [<ffffffff81095d8d>] ? trace_hardirqs_off+0xd/0x10
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff812ddb76>] ? acpi_idle_enter_bm+0x227/0x25b
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff812ddb71>] ? acpi_idle_enter_bm+0x222/0x25b
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff813eda63>] cpuidle_idle_call+0x103/0x290
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81002155>] cpu_idle+0xe5/0x160
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff814e7f50>] rest_init+0xe0/0xf0
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff814e7e70>] ? csum_partial_copy_generic+0x170/0x170
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81df8e23>] start_kernel+0x3fc/0x407
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81df8321>] x86_64_start_reservations+0x131/0x135
Oct 18 21:41:17 dhcp47-74 kernel: [<ffffffff81df8412>] x86_64_start_kernel+0xed/0xf4
Oct 18 21:41:17 dhcp47-74 kernel: xhci_hcd 0000:00:14.0: xHCI host not responding to stop endpoint command.
Oct 18 21:41:17 dhcp47-74 kernel: xhci_hcd 0000:00:14.0: Assuming host is dying, halting host.
Oct 18 21:41:17 dhcp47-74 kernel: xhci_hcd 0000:00:14.0: HC died; cleaning up
Oct 18 21:41:17 dhcp47-74 kernel: usb 3-4: device descriptor read/8, error -110
Oct 18 21:41:17 dhcp47-74 kernel: usb 3-4: device descriptor read/8, error -22
Oct 18 21:41:17 dhcp47-74 kernel: hub 3-0:1.0: cannot disable port 4 (err = -19)
Basically what is happening is in xhci_stop_endpoint_command_watchdog()
the xhci->lock is grabbed with just spin_lock. What lockdep deduces is
that if an interrupt occurred while in this function it would deadlock
with xhci_irq because that function also grabs the xhci->lock.
Fixing it is trivial by using spin_lock_irqsave instead.
This should be queued to stable kernels as far back as 2.6.33.
Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (86 commits)
ipv4: fix redirect handling
ping: dont increment ICMP_MIB_INERRORS
sky2: fix hang in napi_disable
sky2: enforce minimum ring size
bonding: Don't allow mode change via sysfs with slaves present
f_phonet: fix page offset of first received fragment
stmmac: fix pm functions avoiding sleep on spinlock
stmmac: remove spin_lock in stmmac_ioctl.
stmmac: parameters auto-tuning through HW cap reg
stmmac: fix advertising 1000Base capabilties for non GMII iface
stmmac: use mdelay on timeout of sw reset
sky2: version 1.30
sky2: used fixed RSS key
sky2: reduce default Tx ring size
sky2: rename up/down functions
sky2: pci posting issues
sky2: fix hang on shutdown (and other irq issues)
r6040: fix check against MCRO_HASHEN bit in r6040_multicast_list
MAINTAINERS: change email address for shemminger
pch_gbe: Move #include of module.h
...
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We pull one byte (the MAC header) from the first fragment before the
fragment is actually appended. So the socket buffer length is 1, not 0.
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
* 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits)
Revert "tracing: Include module.h in define_trace.h"
irq: don't put module.h into irq.h for tracking irqgen modules.
bluetooth: macroize two small inlines to avoid module.h
ip_vs.h: fix implicit use of module_get/module_put from module.h
nf_conntrack.h: fix up fallout from implicit moduleparam.h presence
include: replace linux/module.h with "struct module" wherever possible
include: convert various register fcns to macros to avoid include chaining
crypto.h: remove unused crypto_tfm_alg_modname() inline
uwb.h: fix implicit use of asm/page.h for PAGE_SIZE
pm_runtime.h: explicitly requires notifier.h
linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h
miscdevice.h: fix up implicit use of lists and types
stop_machine.h: fix implicit use of smp.h for smp_processor_id
of: fix implicit use of errno.h in include/linux/of.h
of_platform.h: delete needless include <linux/module.h>
acpi: remove module.h include from platform/aclinux.h
miscdevice.h: delete unnecessary inclusion of module.h
device_cgroup.h: delete needless include <linux/module.h>
net: sch_generic remove redundant use of <linux/module.h>
net: inet_timewait_sock doesnt need <linux/module.h>
...
Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in
- drivers/media/dvb/frontends/dibx000_common.c
- drivers/media/video/{mt9m111.c,ov6650.c}
- drivers/mfd/ab3550-core.c
- include/linux/dmaengine.h
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To fix this build error on ARM:
drivers/usb/host/xhci-hub.c: In function 'xhci_stop_device':
drivers/usb/host/xhci-hub.c:261: error: 'GFP_NOIO' undeclared (first use in this function)
make[4]: *** [drivers/usb/host/xhci-hub.o] Error 1
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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With module.h being implicitly everywhere via device.h, the absence
of explicitly including something for EXPORT_SYMBOL went unnoticed.
Since we are heading to fix things up and clean module.h from the
device.h file, we need to explicitly include these files now.
Use the lightweight version of the header that has just THIS_MODULE
and EXPORT_SYMBOL variants.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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The situation up to this point meant that module.h was pretty
much everywhere, regardless of whether you asked for it or not.
We are fixing that, so give the USB folks who want it an actual
include of it.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Originally, the runtime PM core would send an idle notification
whenever a suspend attempt failed. The idle callback routine could
then schedule a delayed suspend for some time later.
However this behavior was changed by commit
f71648d73c1650b8b4aceb3856bebbde6daa3b86 (PM / Runtime: Remove idle
notification after failing suspend). No notifications were sent, and
there was no clear mechanism to retry failed suspends.
This caused problems for the usbhid driver, because it fails
autosuspend attempts as long as a key is being held down. A companion
patch changes the PM core's behavior, but we also need to change the
USB core. In particular, this patch (as1493) updates the device's
last_busy time when an autosuspend fails, so that the PM core will
retry the autosuspend in the future when the delay time expires
again.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Henrik Rydberg <rydberg@euromail.se>
Cc: <stable@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (37 commits)
MIPS: O32: Provide definition of registers ta0 .. ta3.
MIPS: perf: Add Octeon support for hardware perf.
MIPS: perf: Add support for 64-bit perf counters.
MIPS: perf: Reorganize contents of perf support files.
MIPS: perf: Cleanup formatting in arch/mips/kernel/perf_event.c
MIPS: Add accessor macros for 64-bit performance counter registers.
MIPS: Add probes for more Octeon II CPUs.
MIPS: Add more CPU identifiers for Octeon II CPUs.
MIPS: XLR, XLS: Add comment for smp setup
MIPS: JZ4740: GPIO: Check correct IRQ in demux handler
MIPS: JZ4740: GPIO: Simplify IRQ demuxer
MIPS: JZ4740: Use generic irq chip
MIPS: Alchemy: remove all CONFIG_SOC_AU1??? defines
MIPS: Alchemy: kill au1xxx.h header
MIPS: Alchemy: clean DMA code of CONFIG_SOC_AU1??? defines
MIPS, IDE: Alchem, au1xxx-ide: Remove pb1200/db1200 header dep
MIPS: Alchemy: Redo PCI as platform driver
MIPS: Alchemy: more base address cleanup
MIPS: Alchemy: rewrite USB platform setup.
MIPS: Alchemy: abstract USB block control register access
...
Fix up trivial conflicts in:
arch/mips/alchemy/devboards/db1x00/platform.c
drivers/ide/Kconfig
drivers/mmc/host/au1xmmc.c
drivers/video/Kconfig
sound/mips/Kconfig
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Now that no driver any longer depends on the CONFIG_SOC_AU1??? symbols,
it's time to get rid of them: Move some of the platform devices to the
boards which can use them, Rename a few (unused) constants in the header,
Replace them with MIPS_ALCHEMY in the various Kconfig files. Finally
delete them altogether from the Alchemy Kconfig file.
Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/2707/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Alchemy chips have one or more registers which control access
to the usb blocks as well as PHY configuration. I don't want
the OHCI/EHCI glues to know about the different registers and bits;
new code hides the gory details of USB configuration from them.
Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: Linux-MIPS <linux-mips@linux-mips.org>
Cc: linux-usb@vger.kernel.org
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Patchwork: https://patchwork.linux-mips.org/patch/2709/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
create mode 100644 drivers/usb/host/alchemy-common.c
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* 'next/devel' of git://git.linaro.org/people/arnd/arm-soc: (50 commits)
ARM: tegra: update defconfig
arm/tegra: Harmony: Configure PMC for low-level interrupts
arm/tegra: device tree support for ventana board
arm/tegra: add support for ventana pinmuxing
arm/tegra: prepare Seaboard pinmux code for derived boards
arm/tegra: pinmux: ioremap registers
gpio/tegra: Convert to a platform device
arm/tegra: Convert pinmux driver to a platform device
arm/dt: Tegra: Add pinmux node to tegra20.dtsi
arm/tegra: Prep boards for gpio/pinmux conversion to pdevs
ARM: mx5: fix clock usage for suspend
ARM i.MX entry-macro.S: remove now unused code
ARM i.MX boards: use CONFIG_MULTI_IRQ_HANDLER
ARM i.MX tzic: add handle_irq function
ARM i.MX avic: add handle_irq function
ARM: mx25: Add the missing IIM base definition
ARM i.MX avic: convert to use generic irq chip
mx31moboard: Add poweroff support
ARM: mach-qong: Add watchdog support
ARM: davinci: AM18x: Add wl1271/wlan support
...
Fix up conflicts in:
arch/arm/mach-at91/at91sam9g45.c
arch/arm/mach-mx5/devices-imx53.h
arch/arm/plat-mxc/include/mach/memory.h
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Conflicts:
arch/arm/mach-mxs/include/mach/gpio.h
arch/arm/plat-mxc/include/mach/gpio.h
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Several USB power switches (AIC1526 or MIC2026) have a digital output
that is used to notify that an overcurrent situation is taking
place. This digital outputs are typically connected to GPIO inputs of
the processor and can be used to be notified of those overcurrent
situations.
Therefore, we add a new overcurrent_pin[] array in the at91_usbh_data
structure so that boards can tell the AT91 OHCI driver which pins are
used for the overcurrent notification, and an overcurrent_supported
boolean to tell the driver whether overcurrent is supported or not.
The code has been largely borrowed from ohci-da8xx.c and
ohci-s3c2410.c.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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The existing OHCI AT91 driver made the assumption that the enable
input of the USB power switch was active low. However, some USB power
switches such as the Micrel MIC2026-1 [1] have an active high input to
enable the power. A new vbus_pin_inverted attribute is added to the
at91_usbh_data structure so that board files can tell the OHCI driver
if the vbus pin logic is active low or active high.
[1] http://www.micrel.com/page.do?page=product-info/products/mic2026.shtml
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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Remove the cpu_is_at91xxxx() macros in the ohci-at91 driver.
SoCs at91sam9261 and at91sam9g10 expect one additional clock: hck0.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (178 commits)
ARM: 7139/1: fix compilation with CONFIG_ARM_ATAG_DTB_COMPAT and large TEXT_OFFSET
ARM: gic, local timers: use the request_percpu_irq() interface
ARM: gic: consolidate PPI handling
ARM: switch from NO_MACH_MEMORY_H to NEED_MACH_MEMORY_H
ARM: mach-s5p64x0: remove mach/memory.h
ARM: mach-s3c64xx: remove mach/memory.h
ARM: plat-mxc: remove mach/memory.h
ARM: mach-prima2: remove mach/memory.h
ARM: mach-zynq: remove mach/memory.h
ARM: mach-bcmring: remove mach/memory.h
ARM: mach-davinci: remove mach/memory.h
ARM: mach-pxa: remove mach/memory.h
ARM: mach-ixp4xx: remove mach/memory.h
ARM: mach-h720x: remove mach/memory.h
ARM: mach-vt8500: remove mach/memory.h
ARM: mach-s5pc100: remove mach/memory.h
ARM: mach-tegra: remove mach/memory.h
ARM: plat-tcc: remove mach/memory.h
ARM: mach-mmp: remove mach/memory.h
ARM: mach-cns3xxx: remove mach/memory.h
...
Fix up mostly pretty trivial conflicts in:
- arch/arm/Kconfig
- arch/arm/include/asm/localtimer.h
- arch/arm/kernel/Makefile
- arch/arm/mach-shmobile/board-ap4evb.c
- arch/arm/mach-u300/core.c
- arch/arm/mm/dma-mapping.c
- arch/arm/mm/proc-v7.S
- arch/arm/plat-omap/Kconfig
largely due to some CONFIG option renaming (ie CONFIG_PM_SLEEP ->
CONFIG_ARM_CPU_SUSPEND for the arm-specific suspend code etc) and
addition of NEED_MACH_MEMORY_H next to HAVE_IDE.
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devel-stable
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Nothing actually requires that <mach/hardware.h>, <mach/memory.h> nor
<asm/mach-types.h> be included here.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Felipe Balbi <balbi@ti.com>
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http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'gpio' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (43 commits)
ARM: 7135/1: ep93xx: bring back missing <mach/gpio.h>
ARM: 7104/1: plat-pxa: break out GPIO driver specifics
ARM: 7103/1: plat-pxa: move PXA GPIO driver to GPIO subsystem
ARM: 7042/3: mach-ep93xx: break out GPIO driver specifics
ARM: 7101/1: arm/tegra: Replace <mach/gpio.h> with <mach/gpio-tegra.h>
ARM: 7094/1: arm/tegra: Move EN_VDD_1V05_GPIO to board-harmony.h
ARM: 7083/1: rewrite U300 GPIO to use gpiolib
ARM: 7074/1: gpio: davinci: eliminate unused variable warnings
ARM: 7063/1: Orion: gpio: add missing include of linux/types.h
ARM: 7055/1: arm/tegra: mach/gpio.h: include linux/types.h to fix build
ARM: 7054/1: arm/tegra: Delete custom gpio_to_irq, and irq_to_gpio
ARM: 7053/1: gpio/tegra: Implement gpio_chip.to_irq
ARM: 7052/1: gpio/tegra: Remove use of irq_to_gpio
ARM: 7057/1: mach-pnx4008: rename GPIO header
ARM: 7056/1: plat-nomadik: kill off <plat/gpio.h>
ARM: 7050/1: mach-sa1100: delete irq_to_gpio() function
ARM: 7049/1: mach-sa1100: move SA1100 GPIO driver to GPIO subsystem
ARM: 7045/1: mach-lpc32xx: break out GPIO driver specifics
ARM: 7044/1: mach-lpc32xx: move LPC32XX GPIO driver to GPIO subsystem
ARM: 7043/1: mach-ixp2000: rename GPIO header
...
Fix up trivial conflicts in arch/arm/mach-u300/Kconfig manually
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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