| Commit message (Collapse) | Author | Age | Files | Lines |
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Add #include <asm/io.h> directive to properly declare ioremap() and
writel().
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Brian Waite <waite@skycomputers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Remove useless spaces and adds some empty lines to make code more
readable. Also marker for printk is added.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Brian Waite <waite@skycomputers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Current kernels have a non-working platinumfb due to some resource
management issues. This fixes it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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When a Fn key is used in combination with another key in ADB keyboards
it will generate a Fn event and then a second event that can be a
different key than pressed (Fn + F1 for instance can generate Fn +
brightness down if it's configured like that). This enables the
reporting of the Fn key to the input system.
As Fn is a dead key for most purposes, it's useful to report it so
applications can make use of it. One example is apple_mouse
(https://jake.ruivo.org/uinputd/trunk/apple_mouse/) that emulates the
second and third keys using a combination of keyboard keys and the mouse
button. Other applications may use the KEY_FN as a modifier as well.
I've been updating and using this patch for months without problems.
Signed-off-by: Aristeu Rozanski <aris@ruivo.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This adds the option for the pmac_zilog driver to use the major/minor
numbers recently allocated specifically for it (/dev/ttyPZn) instead
of the /dev/ttySn numbers. The advantage of doing this is that it
allows the pmac_zilog and 8250 drivers to coexist. The disadvantage
of doing this is that it is a user-visible ABI change and it will
break existing working setups on powermacs, and could be confusing to
users.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch includes a whole batch of smallish cleanups for
drivers/mtd/physmap_of.c.
- A bunch of uneeded #includes are removed
- We switch to the modern linux/of.h etc. in place of
asm/prom.h
- Use some helper macros to avoid some ugly inline #ifdefs
- A few lines of unreachable code are removed
- A number of indentation / line-wrapping fixes
- More consistent use of kernel idioms such as if (!p) instead
of if (p == NULL)
- Clarify some printk()s and other informative strings.
- parse_obsolete_partitions() now returns 0 if no partition
information is found, instead of returning -ENOENT which the caller
had to handle specially.
- (the big one) Despite the name, this driver really has
nothing to do with drivers/mtd/physmap.c. The fact that the flash
chips must be physically direct mapped is a constrant, but doesn't
really say anything about the actual purpose of this driver, which is
to instantiate MTD devices based on information from the device tree.
Therefore the physmap name is replaced everywhere within the file with
"of_flash". The file itself and the Kconfig option is not renamed for
now (so that the diff is actually a diff). That can come later.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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The latest physmap_of driver has a small error where it will fail the probe
with:
physmap-flash: probe of fff00000.small-flas failed with error -2
if there are no partition subnodes in the device tree and the old style binding
is not used. Since partition definitions are optional, the probe should still
succeed.
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
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drivers/serial/pmac_zilog.c:1590: warning: format '%d' expects type 'int', but argument 3 has type 'pm_message_t'
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Use idx as index into mpc52xx_uart_nodes instead of i
Signed-off-by: John Rigby <jrigby@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The ucc_geth_mii code is based on the gianfar_mii code that use to include
ocp.h. ucc never need this and it causes issues when we want to kill
arch/ppc includes from arch/powerpc.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This replaces the binding for flash chips in booting-without-of.txt
with an clarified and improved version. It also makes
drivers/mtd/maps/physmap_of.c recognize this new binding. Finally it
revises the Ebony device tree source to use the new binding as an
example.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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To build arch/powerpc without including asm-ppc/ we need these files
in asm-powerpc/
Moved some headers under arch/powerpc/platforms if they were only used by
platform or driver files and fixed up the source file includes to match
the new locations
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Remove includes of files that existed in arch/ppc that we dont need in
arch/powerpc anymore. The following includes were removed:
<asm/amigappc.h>
<asm/bootinfo.h>
<asm/ppcboot.h>
<asm/ppc_sys.h>
<asm/residual.h>
<asm/m8260_pci.h>
This also caused platforms/embedded6xx/mpc7448_hpc2.h to no longer be
needed and thus removed.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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get_property has been renamed to of_get_property.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This fixes a typo in a printk message.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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kzalloc
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This patch contains a handful of small fixes to allow the Ebony's
flash to be exposed as MTD devices via the physmap_of driver.
Specifically it:
- Makes a small addition to the device tree and zImage wrapper
to record the correct address for the flash in the device tree based
on the board switches as reported via an FPGA register.
- Prohibits building the old hard-coded "Ebony" flash map on
arch/powerpc kernels, in favour of using physmap_of's device tree
based approach.
- Enables MTD and physmap_of in the Ebony defconfig.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Fix warnings about section mismatch.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[libata] sata_mv: more S/G fixes
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* corruption fix: we only want the lower 16 bits of length (0 == 64kb)
* ditto: the upper layer sets max-phys-segments to LIBATA_MAX_PRD,
so we must reset it to own hw-specific length.
* delete unused mv_fill_sg() return value
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (87 commits)
mlx4_core: Fix section mismatches
IPoIB: Allow setting policy to ignore multicast groups
IB/mthca: Mark error paths as unlikely() in post_srq_recv functions
IB/ipath: Minor fix to ordering of freeing and zeroing of tid pages.
IB/ipath: Remove redundant link state checks
IB/ipath: Fix IB_EVENT_PORT_ERR event
IB/ipath: Better handling of unexpected GPIO interrupts
IB/ipath: Maintain active time on all chips
IB/ipath: Fix QHT7040 serial number check
IB/ipath: Indicate a couple of chip bugs to userspace
IB/ipath: iba6110 rev4 no longer needs recv header overrun workaround
IB/ipath: Use counters in ipath_poll and cleanup interrupts in ipath_close
IB/ipath: Remove duplicate copy of LMC
IB/ipath: Add ability to set the LMC via the sysfs debugging interface
IB/ipath: Optimize completion queue entry insertion and polling
IB/ipath: Implement IB_EVENT_QP_LAST_WQE_REACHED
IB/ipath: Generate flush CQE when QP is in error state
IB/ipath: Remove redundant code
IB/ipath: Future proof eeprom checksum code (contents reading)
IB/ipath: UC RDMA WRITE with IMMEDIATE doesn't send the immediate
...
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Commit ee49bd93 ("mlx4_core: Reset device when internal error is
detected") introduced some section mismatch problems when
CONFIG_HOTPLUG=n, because the error recovery code tears down and
reinitializes the device after everything is loaded, which ends up
calling into lots of code marked __devinit and __devexit from regular
.text. Fix this by getting rid of these now-incorrect section
markers.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The kernel IB stack allows (through the RDMA CM) userspace
applications to join and use multicast groups from the IPoIB MGID
range. This allows multicast traffic to be handled directly from
userspace QPs, without going through the kernel stack, which gives
better performance for some applications.
However, to fully interoperate with IP multicast, such userspace
applications need to participate in IGMP reports and queries, or else
routers may not forward the multicast traffic to the system where the
application is running. The simplest way to do this is to share the
kernel IGMP implementation by using the IP_ADD_MEMBERSHIP option to
join multicast groups that are being handled directly in userspace.
However, in such cases, the actual multicast traffic should not also
be handled by the IPoIB interface, because that would burn resources
handling multicast packets that will just be discarded in the kernel.
To handle this, this patch adds lookup on the database used for IB
multicast group reference counting when IPoIB is joining multicast
groups, and if a multicast group is already handled by user space,
then the IPoIB kernel driver ignores the group. This is controlled by
a per-interface policy flag. When the flag is set, IPoIB will not
join and attach its QP to a multicast group which already has an entry
in the database; when the flag is cleared, IPoIB will behave as before
this change.
For each IPoIB interface, the /sys/class/net/$intf/umcast attribute
controls the policy flag. The default value is off/0.
Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Fixed to be the same as everywhere else. copy and then zero the page *
in the array first, and then pass the copy to the VM routines.
Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This patch removes some redundant checks when the SMA changes the link
state since the same checks are made in the lower level function that
sets the state.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The link state event calls were being generated when the SM told the SMA
to change link states. This works for IB_EVENT_PORT_ACTIVE but not if
the link goes down and stays down. The fix is to generate event calls
from the interrupt handler when the HW link state changes.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The General Purpose I/O pins can be configured to cause interrupts. At
the end of the interrupt code dealing with all known causes, a message
is output if any bits remain un-handled. Since this is a "can't happen"
scenario, it should only be triggered by bugs elsewhere. It is harmless,
and potentially beneficial, to limit the damage by masking any such
unexpected interrupts.
This patch adds disabling of interrupts from any pins that should
not have been allowed to interrupt, in addition to emitting a message.
Signed-off-by: Michael Albaugh <Michael.Albaugh@Qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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There is a count of "active hours" maintained in EEPROM, to aid
troubleshooting. The definition of "active" is based on traffic
exceeding a threshold in any given 5-second polling interval. As
originally written, the check was inadvertently bypassed for chips whose
counters were 64-bits wide, and only applied to chips with 32-bit wide
counters.
This patch moves the test for amount of traffic "out" to a more common
location, rather than depending on a side-effect of the software
emulation of 64-bit counts on chips whose hardware is only 32-bits wide.
Signed-off-by: Michael Albaugh <Michael.Albaugh@Qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Remove all the OEM and bringup boards, and complain and fail
initialization if one is found. QHT7040 with GPIO rework (128ywwuuuu)
is OK, older 112ywwuuuu is no longer supported). The check that had been
added was failing both the 112 and 128 series.
Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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A couple of chip bugs in the iba6110 and in the iba6120 are not in more
recent chips. This first bug swaps two of the pioavail register
locations. In the second bug, the chip can sometimes forget to dma the
pio avail register to memory. We indicate the presence of these bugs
with runtime flags and we indicate the presence of the flags by bumping
the SWMINOR.
Signed-off-by: Arthur Jones <arthur.jones@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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iba6110 rev3 and earlier had a chip bug where the chip could overrun the
recv header queue. rev4 fixed this chip bug so userspace no longer needs
to workaround it. Now we only set the workaround flag for older chip
versions.
Signed-off-by: Arthur Jones <arthur.jones@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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ipath_poll() suffered from a couple subtle bugs. Under the right
conditions we could leave recv interrupts enabled on an ipath user
context on close, thereby taking potentially unwanted interrupts on the
next open -- this is fixed by unconditionally turning off recv
interrupts on close. Also, we now use counters rather than set/clear
bits which allows us to make sure we catch all interrupts at the cost of
changing the semantics slightly (it's now give me all events since the
last time I called poll() rather than give me all events since I called
_this_ poll routine). We also added some memory barriers which may help
ensure we get all notifications in a timely manner.
Signed-off-by: Arthur Jones <arthur.jones@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The LMC value was being saved by the SMA in two places. This patch
cleans it up so only one copy is kept.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This patch adds the ability to set the LMC via a sysfs file as if the SM
sent a SubnSet(PortInfo) MAD. It is useful for debugging when no SM is
running.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The code to add an entry to the completion queue stored the QPN which is
needed for the user level verbs view of the completion queue entry but
the kernel struct ib_wc contains a pointer to the QP instead of a QPN.
When the kernel polled for a completion queue entry, the QPN was lookup
up and the QP pointer recovered. This patch stores the CQE differently
based on whether the CQ is a kernel CQ or a user CQ thus avoiding the
QPN to QP lookup overhead.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This patch implements the IB_EVENT_QP_LAST_WQE_REACHED event which is
needed by ib_ipoib to destroy the QP when used in connected mode.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Follow the IB spec. (C10-96) for post send which states that a flushed
completion event should be generated for work requests posted when a QP
is in the error state.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This patch removes some redundant initialization code.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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In an earlier change, the amount of data read from the flash was
mistakenly limited to the size known to the current driver. This causes
problems when the length is increased, and written with the new longer
version; the checksum would fail because not enough data was read.
Always read the full 128 byte length to prevent this.
Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This patch fixes a bug in the receive processing for UC RDMA WRITE with
immediate which caused the last packet to be dropped.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This is a comment change, only, correcting the comment to match the
implemented workaround, rather than the original workaround, and
clarifying why it's needed.
Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The ipathfs file system is used to export binary data verses ASCII data
such as through /sys. This patch removes some unneeded files since the
data is available through other /sys files.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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There have been a number of issues where host bandwidth via HT or PCIe
to the InfiniPath chip has been limited in some fashion (BIOS,
configuration, etc.), resulting in user confusion. This check gives a
clear warning that something is wrong and needs to be resolved.
Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The code to post UD sends tried to process work requests at the time
ib_post_send() is called without using a WQE queue. This was fine as
long as HW resources were available for sending a packet. This patch
changes UD to be handled more like RC and UC and shares more code.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Different processors have different ordering restrictions for write
combining. By taking advantage of this, we can eliminate some write
barriers when writing to the send buffers.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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