| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull general security layer updates from James Morris:
- Convert security hooks from list to hlist, a nice cleanup, saving
about 50% of space, from Sargun Dhillon.
- Only pass the cred, not the secid, to kill_pid_info_as_cred and
security_task_kill (as the secid can be determined from the cred),
from Stephen Smalley.
- Close a potential race in kernel_read_file(), by making the file
unwritable before calling the LSM check (vs after), from Kees Cook.
* 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
security: convert security hooks to use hlist
exec: Set file unwritable before LSM check
usb, signal, security: only pass the cred, not the secid, to kill_pid_info_as_cred and security_task_kill
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Merge to Linux 4.16-rc6 at the request of Jarkko, for his TPM updates.
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kill_pid_info_as_cred and security_task_kill
commit d178bc3a708f39cbfefc3fab37032d3f2511b4ec ("user namespace: usb:
make usb urbs user namespace aware (v2)") changed kill_pid_info_as_uid
to kill_pid_info_as_cred, saving and passing a cred structure instead of
uids. Since the secid can be obtained from the cred, drop the secid fields
from the usb_dev_state and async structures, and drop the secid argument to
kill_pid_info_as_cred. Replace the secid argument to security_task_kill
with the cred. Update SELinux, Smack, and AppArmor to use the cred, which
avoids the need for Smack and AppArmor to use a secid at all in this hook.
Further changes to Smack might still be required to take full advantage of
this change, since it should now be possible to perform capability
checking based on the supplied cred. The changes to Smack and AppArmor
have only been compile-tested.
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: Paul Moore <paul@paul-moore.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of tty and serial driver patches for 4.17-rc1
Not all that big really, most are just small fixes and additions to
existing drivers. There's a bunch of work on the imx serial driver
recently for some reason, and a new embedded serial driver added as
well.
Full details are in the shortlog.
All of these have been in the linux-next tree for a while with no
reported issues"
* tag 'tty-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (66 commits)
serial: expose buf_overrun count through proc interface
serial: mvebu-uart: fix tx lost characters
tty: serial: msm_geni_serial: Fix return value check in qcom_geni_serial_probe()
tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP
8250-men-mcb: add support for 16z025 and 16z057
powerpc: Mark the variable earlycon_acpi_spcr_enable maybe_unused
serial: stm32: fix initialization of RS485 mode
ARM: dts: STi: Remove "console=ttyASN" from bootargs for STi boards
vt: change SGR 21 to follow the standards
serdev: Fix typo in serdev_device_alloc
ARM: dts: STi: Fix aliases property name for STi boards
tty: st-asc: Update tty alias
serial: stm32: add support for RS485 hardware control mode
dt-bindings: serial: stm32: add RS485 optional properties
selftests: add devpts selftests
devpts: comment devpts_mntget()
devpts: resolve devpts bind-mounts
devpts: hoist out check for DEVPTS_SUPER_MAGIC
serial: 8250: Add Nuvoton NPCM UART
serial: mxs-auart: disable clks of Alphascale ASM9260
...
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We want the serial/tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This expands the no-op dummy functions into full prototypes to avoid
indirect call mismatches when running under Control Flow Integrity
checking, like with Clang's -fsanitize=cfi.
Co-Developed-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As done in commit:
724ba8b30b04 ("console/dummy: leave .con_font_get set to NULL")
This drops the dummy .con_font_get(), as it could leave arguments
uninitialized.
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big set of USB and PHY driver patches for 4.17-rc1.
Lots of USB typeC work happened this round, with code moving from the
staging directory into the "real" part of the kernel, as well as new
infrastructure being added to be able to handle the different types of
"roles" that typeC requires.
There is also the normal huge set of USB gadget controller and driver
updates, along with XHCI changes, and a raft of other tiny fixes all
over the USB tree. And the PHY driver updates are merged in here as
well as they interacted with the USB drivers in some places.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (250 commits)
Revert "USB: serial: ftdi_sio: add Id for Physik Instrumente E-870"
usb: musb: gadget: misplaced out of bounds check
usb: chipidea: imx: Fix ULPI on imx53
usb: chipidea: imx: Cleanup ci_hdrc_imx_platform_flag
usb: chipidea: usbmisc: small clean up
usb: chipidea: usbmisc: evdo can be set e/o reset
usb: chipidea: usbmisc: evdo is only specific to OTG port
USB: serial: ftdi_sio: add Id for Physik Instrumente E-870
usb: dwc3: gadget: never call ->complete() from ->ep_queue()
usb: gadget: udc: core: update usb_ep_queue() documentation
usb: host: Remove the deprecated ATH79 USB host config options
usb: roles: Fix return value check in intel_xhci_usb_probe()
USB: gadget: f_midi: fixing a possible double-free in f_midi
usb: core: Add USB_QUIRK_DELAY_CTRL_MSG to usbcore quirks
usb: core: Copy parameter string correctly and remove superfluous null check
USB: announce bcdDevice as well as idVendor, idProduct.
USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw
usb: hub: Reduce warning to notice on power loss
USB: serial: ftdi_sio: add support for Harman FirmwareHubEmulator
USB: serial: cp210x: add ELDAT Easywave RX09 id
...
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This reverts commit 79a0b33165d8d8ec0840fcfc74fd0a8f219abeee.
Turns out this is not an FTDI device after all.
Fixes: 79a0b33165d8 ("USB: serial: ftdi_sio: add Id for Physik Instrumente E-870")
Reported-by: Martin Teichmann <martin.teichmann@xfel.eu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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musb->endpoints[] has array size MUSB_C_NUM_EPS.
We must check array bounds before accessing the array and not afterwards.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Bin Liu <b-liu@ti.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Traditionally, PORTSC should be set before initializing ULPI phys. But
setting PORTSC before powering on the phy results in a kernel freeze
on imx53 based GE PPD. As a workaround this initializes the phy early
in the imx platform code and disables phy power management from the
core.
Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.co.uk>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some trivial cleanups, that do not change functionality.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The register write can be done outside the if and else condition
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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evdo bit can be set or reset. We can not trust evdo bit
status after bootloader stage
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The USB_PHY_CTRL_FUNC is used specific for OTG port as described
in user manual. EVDO need to be set only for index 0 that
correspond to OTG port
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v4.17-rc1
Here are the USB-serial updates for 4.17-rc1, including a
reimplementation of the option-driver interface masking which allows
for a more compact notation when adding new device entries.
Included are also a couple of clean ups and a new ftdi_sio device id.
All but the device-id commit have been in linux-next (without any
reported issues).
Signed-off-by: Johan Hovold <johan@kernel.org>
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This adds support for the Physik Instrumente E-870 PIShift Drive
Electronics, a Piezo motor driver.
Signed-off-by: Martin Teichmann <martin.teichmann@xfel.eu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Use the USB class define rather than a magic number when refusing to
bind to mass-storage interfaces.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Drop redundant interface-class test for Samsung GT-B3730 modems for
which we only match and probe the CDC data interface.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Reimplement interface masking using device flags stored directly in the
device-id table. This will make it easier to add and maintain device-id
entries by using a more compact and readable notation compared to the
current implementation (which manages pairs of masks in separate
blacklist structs).
Two convenience macros are used to flag an interface as either reserved
or as not supporting modem-control requests:
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
.driver_info = NCTRL(0) | RSVD(3) },
For now, we limit the highest maskable interface number to seven, which
allows for (up to 16) additional device flags to be added later should
need arise.
Note that this will likely need to be backported to stable in order to
make future device-id backports more manageable.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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This is a requirement which has always existed but, somehow, wasn't
reflected in the documentation and problems weren't found until now
when Tuba Yavuz found a possible deadlock happening between dwc3 and
f_hid. She described the situation as follows:
spin_lock_irqsave(&hidg->write_spinlock, flags); // first acquire
/* we our function has been disabled by host */
if (!hidg->req) {
free_ep_req(hidg->in_ep, hidg->req);
goto try_again;
}
[...]
status = usb_ep_queue(hidg->in_ep, hidg->req, GFP_ATOMIC);
=>
[...]
=> usb_gadget_giveback_request
=>
f_hidg_req_complete
=>
spin_lock_irqsave(&hidg->write_spinlock, flags); // second acquire
Note that this happens because dwc3 would call ->complete() on a
failed usb_ep_queue() due to failed Start Transfer command. This is,
anyway, a theoretical situation because dwc3 currently uses "No
Response Update Transfer" command for Bulk and Interrupt endpoints.
It's still good to make this case impossible to happen even if the "No
Reponse Update Transfer" command is changed.
Reported-by: Tuba Yavuz <tuba@ece.ufl.edu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Mention that ->complete() should never be called from within
usb_ep_queue().
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The options USB_EHCI_ATH79 and USB_OHCI_ATH79 only enable the
generic EHCI and OHCI platform drivers, and have been marked as
deprecated since 2012.
These can be safely removed if we make sure that USB_EHCI_ROOT_HUB_TT
still get enabled for the EHCI driver. This is now done be selecting
this option when the EHCI platform driver is enabled on the ATH79
platform.
Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In case of error, the function devm_ioremap_nocache() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.
Fixes: f6fb9ec02be1 ("usb: roles: Add Intel xHCI USB role switch driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It looks like there is a possibility of a double-free vulnerability on an
error path of the f_midi_set_alt function in the f_midi driver. If the
path is feasible then free_ep_req gets called twice:
req->complete = f_midi_complete;
err = usb_ep_queue(midi->out_ep, req, GFP_ATOMIC);
=> ...
usb_gadget_giveback_request
=>
f_midi_complete (CALLBACK)
(inside f_midi_complete, for various cases of status)
free_ep_req(ep, req); // first kfree
if (err) {
ERROR(midi, "%s: couldn't enqueue request: %d\n",
midi->out_ep->name, err);
free_ep_req(midi->out_ep, req); // second kfree
return err;
}
The double-free possibility was introduced with commit ad0d1a058eac
("usb: gadget: f_midi: fix leak on failed to enqueue out requests").
Found by MOXCAFE tool.
Signed-off-by: Tuba Yavuz <tuba@ece.ufl.edu>
Fixes: ad0d1a058eac ("usb: gadget: f_midi: fix leak on failed to enqueue out requests")
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There's a new quirk, USB_QUIRK_DELAY_CTRL_MSG. Add it to usbcore quirks
for completeness.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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strsep() slices string, so the string gets copied by
param_set_copystring() at the end of quirks_param_set() is not the
original value.
Fix that by calling param_set_copystring() earlier.
The null check for val is unnecessary, the caller of quirks_param_set()
does not pass null string.
Remove the superfluous null check. This is found by Smatch.
Fixes: 027bd6cafd9a ("usb: core: Add "quirks" parameter for usbcore")
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Print bcdDevice which is used by vendors to identify different versions
of the same product (or different versions of firmware).
Adding this to the logs will be useful for support purposes.
Match the %2x.%02x formatting that's used by lsusb -v for this same value.
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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USB3 hubs don't support global suspend.
USB3 specification 10.10, Enhanced SuperSpeed hubs only support selective
suspend and resume, they do not support global suspend/resume where the
hub downstream facing ports states are not affected.
When system enters hibernation it first enters freeze process where only
the root hub enters suspend, usb_port_suspend() is not called for other
devices, and suspend status flags are not set for them. Other devices are
expected to suspend globally. Some external USB3 hubs will suspend the
downstream facing port at global suspend. These devices won't be resumed
at thaw as the suspend status flag is not set.
A USB3 removable hard disk connected through a USB3 hub that won't resume
at thaw will fail to synchronize SCSI cache, return “cmd cmplt err -71”
error, and needs a 60 seconds timeout which causing system hang for 60s
before the USB host reset the port for the USB3 removable hard disk to
recover.
Fix this by always calling usb_port_suspend() during freeze for USB3
devices.
Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently we warn the user when the root hub lost power after resume,
but the user cannot do anything about it so it should probably be a
notice.
This will reduce the noise in the console during suspend and resume,
which is already quite significant in many systems.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-testing
Felipe writes:
usb: changes for v4.17 merge window
Quite a lot happened in this cycle, with a total of 95 non-merge
commits. The most interesting parts are listed below:
Synopsys has been adding better support for USB 3.1 to dwc3. The same
series also sets g_mass_storage's max speed to SSP.
Roger Quadros (TI) added support for dual-role using the OTG block
available in some dwc3 implementations, this makes sure that AM437x
can swap roles in runtime.
We have a new SoC supported in dwc3 now - Amlogic Meson GX - thanks to
the work of Martin Blumenstingl.
We also have a ton of changes in dwc2 (51% of all changes, in
fact). The most interesting part there is the support for
Hibernation (a Synopsys PM feature).
Apart from these, we have our regular set of non-critical fixes all
over the place.
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Some UDC may want to allocate endpoints dynamically, either because
the HW supports an arbitrary large number or because (like the Aspeed
BMC SoCs), the pool of HW endpoints is shared between multiple gadgets.
The allocation side can be done rather easily using the existing
match_ep() UDC hook.
However we have no good place to "free" them.
This implements a "simple" variant of this, which calls an EP dispose
callback on all EPs associated with a gadget when the composite device
gets unbound.
This is required by my upcoming Aspeed vHub driver.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The AB8540 was an evolved version of the AB8500, but it was never
mass produced or put into products, only reference designs exist.
The upstream support was never completed and it is unlikely that
this will happen so drop the support for now to simplify
maintenance of the AB8500.
Cc: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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On TI's AM437x, the DWC3 controller looses state after a
system suspend/resume. We are re-initializing the controller
but we miss restoring the PRTCAP register. This causes
USB host to break on AM437x after a system suspend/resume.
Fix this by restoring the PRTCAP register on system resume.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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DWC_usb3 speed can only be set up to SuperSpeed. Limit the setting to
SuperSpeed only should the value be higher. Otherwise, the controller
will read an invalid speed value and set the device to an incorrect
speed.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Dump LSP and BMU debug info.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Check and configure TX/RX threshold for DWC_usb31. Update dwc3 structure
with new fields to store these threshold configurations.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Add new GTXTHRCFG bit field macros for DWC_usb31. The GTXTHRCFG register
fields for DWC_usb31 is as follows:
+-------+--------------------------+-----------------------------------+
| BITS | Name | Description |
+=======+==========================+===================================+
| 31:27 | reserved | |
| 26 | UsbTxPktCntSel | Async ESS transmit packet |
| | | threshold enable |
| 25:21 | UsbTxPktCnt | Async ESS transmit packet |
| | | threshold count |
| 20:16 | UsbMaxTxBurstSize | Async ESS Max transmit burst size |
| 15 | UsbTxThrNumPktSel_HS_Prd | HS high bandwidth periodic |
| | | transmit packet threshold enable |
| 14:13 | UsbTxThrNumPkt_HS_Prd | HS high bandwidth periodic |
| | | transmit packet threshold count |
| 12:11 | reserved | |
| 10 | UsbTxThrNumPktSel_Prd | Periodic ESS transmit packet |
| | | threshold enable |
| 9:5 | UsbTxThrNumPkt_Prd | Periodic ESS transmit packet |
| | | threshold count |
| 4:0 | UsbMaxTxBurstSize_Prd | Max periodic ESS TX burst size |
+-------+--------------------------+-----------------------------------+
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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DWC_usb31 controller has a different UsbRxPktCnt bit fields from
GRXTHRCFG register. Check for DWC_usb31 IP revision to read the
appropriate value.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Add new GRXTHRCFG bit field macros for DWC_usb31. The GRXTHRCFG register
fields for DWC_usb31 is as follows:
+-------+--------------------------+----------------------------------+
| BITS | Name | Description |
+=======+==========================+==================================+
| 31:27 | reserved | |
| 26 | UsbRxPktCntSel | Async ESS receive packet |
| | | threshold enable |
| 25:21 | UsbRxPktCnt | Async ESS receive packet |
| | | threshold count |
| 20:16 | UsbMaxRxBurstSize | Async ESS Max receive burst size |
| 15 | UsbRxThrNumPktSel_HS_Prd | HS high bandwidth periodic |
| | | receive packet threshold enable |
| 14:13 | UsbRxThrNumPkt_HS_Prd | HS high bandwidth periodic |
| | | receive packet threshold count |
| 12:11 | reserved | |
| 10 | UsbRxThrNumPktSel_Prd | Periodic ESS receive packet |
| | | threshold enable |
| 9:5 | UsbRxThrNumPkt_Prd | Periodic ESS receive packet |
| | | threshold count |
| 4:0 | UsbMaxRxBurstSize_Prd | Max periodic ESS RX burst size |
+-------+--------------------------+----------------------------------+
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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DWC_usb31 controller has different GTXFIFOSIZE bit field for TXFDEF.
Check for DWC_usb31 IP revision to read the appropriate bit fields.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Update two GTXFIFOSIZ bit fields for the DWC_usb31 controller. TXFDEP
is a 15-bit value instead of 16-bit value, and bit 15 is TXFRAMNUM.
The GTXFIFOSIZ register for DWC_usb31 is as follows:
+-------+-----------+----------------------------------+
| BITS | Name | Description |
+=======+===========+==================================+
| 31:16 | TXFSTADDR | Transmit FIFOn RAM Start Address |
| 15 | TXFRAMNUM | Asynchronous/Periodic TXFIFO |
| 14:0 | TXFDEP | TXFIFO Depth |
+-------+-----------+----------------------------------+
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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From DWC_usb31 programming guide section 1.3.2, once DWC3_DCTL_CSFTRST
bit is cleared, we must wait at least 50ms before accessing the PHY
domain (synchronization delay).
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Platform device is allocated before adding resources. Make sure to
properly cleanup on error case.
Cc: <stable@vger.kernel.org>
Fixes: f1c7e7108109 ("usb: dwc3: convert to pcim_enable_device()")
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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If building a kernel without FTRACE but with TRACING, dwc3.ko fails to
link due to missing trace events. Fix this by using the correct
Kconfig symbol on Makefile.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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In
dwc3_request *r = NULL;
r = A;
the first assignment has no effect. Remove it.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Trivial fix to spelling mistake in dev_warn warning message text.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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In the following test we get stuck by sleeping forever in _dwc3_set_mode()
after which dual-role switching doesn't work.
On dra7-evm's dual-role port,
- Load g_zero gadget driver and enumerate to host
- suspend to mem
- disconnect USB cable to host and connect otg cable with Pen drive in it.
- resume system
- we sleep indefinitely in _dwc3_set_mode due to.
dwc3_gadget_exit()->usb_del_gadget_udc()->udc_stop()->
dwc3_gadget_stop()->wait_event_lock_irq()
To fix this instead of waiting indefinitely with wait_event_lock_irq()
we use wait_event_interruptible_lock_irq_timeout() and print
and error message if there was a timeout.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Declared dwc2_force_mode() function as static, because it was used
only in core.c file, for fixing sparse error.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This patch adds a way to enable an external vbus supply in host mode,
when dwc2 drvvbus signal is not used.
This patch is very similar to the one done in U-Boot dwc2 driver [1]. It
also adds dynamic vbus supply management depending on the role and state
of the core.
[1] https://lists.denx.de/pipermail/u-boot/2017-March/283434.html
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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