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Delete successive assignments to the same location. In three of the cases,
the two assignments are identical. In the case of the file
rt2860/common/cmm_aes.c, the assigned variable i is never used, so both
assignments are dropped.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression i;
@@
*i = ...;
i = ...;
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fixup the last remaining users of DECLARE_MUTEX and init_MUTEX.
Scripted conversion, resulting code is binary equivalent.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
LKML-Reference: <20100907125057.278833764@linutronix.de>
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This patch fixes an error in the block driver wherein multiple
partitions in an mmc card were not detected correctly due to
incorrect alloc_disk arguments.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds and initializes a common lock to
cyasdevice module. This is meant to be used in order
to avoid error scenarios where the device module
could be called by both the block and gadget modules
at the same time.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes removes all of the the " ;"'s in the west bridge
cyasgadget driver and instead replaces them with ";" only.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes removes all of the the " ;"'s in the west bridge driver
and instead replaces them with ";" only. Although this is a large patch,
this is the only thing that it does. I can break it up on a file basis
if needed.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the west bridge cyasgadget driver in order to allow for
compilation against the linux-next tree. This changes
usb_gadget_register_driver to usb_gadget_probe_driver and updates this
function based on the new function definition (bind call).
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch includes changing some defines, necessary for compilation
with the linux-next tree.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch remove file system specific (fat_get_block) and vfs calls
from the cyasgadget driver. The current implementation expects user
space to write the file (open, seek to end, 1 byte write), followed by a
call to clear the dirty pages from the the page cache.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch contains an update for cyasblkdev_queue.c which is needed for
the kernel update from 2.6.35 to 2.6.36.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the currently broken Kconfig for west bridge by
introducing a dependency on a valid HAL Layer for the driver build.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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kmalloc() may fail, check for it.
Allocated memory is not freed.
Use IS_ERR() instead of strict checking.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Cc: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Future patches should fix this up.
Cc: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is a driver for the Cypress West Bridge companion chip. Its
function is analogous to the North/South Bridges of PC environments
applied to embedded devices, in that it expands I/O and storage
capabilities of an embedded processor. The Astoria version, which this
driver applies to, functions as a USB, embedded memory and SDIO
controller. The kernel that this patch was applied to is linux-2.6.35,
although it was tested using the android kernel 2.6.29 running on the
Zoom 2 platform. In this system, it was used primarily as a sideloading
accelerator enabling direct data transfers between a USB host PC and
embedded memory without system overheads. Minor modifications were also
made to the kernel for this patch. These include changes such as
EXPORTing of fat_get_block in the kernel code. Another function,
mpage_cleardirty was also added to the memory management code. This
function is used to clear the dirty pages from a specific inode. This
allows for direct, file based DMA. None of these changes are believed to
have any negative impact on the kernel and may provide additional
benefit for other developers and drivers.
The driver, as submitted, was placed into the drivers/staging/westbridge
folder as the directory structure it will eventually reside in is not yet
defined. The driver, as placed in staging is divided into four parts:
1) gadget - this implements a gadget peripheral controller and includes IOCTLs
for MTP transfers
2) block -this implements a generic block device driver to enable access to
embedded memory
3) api -this is the Cypress SDK, and includes USB and Storage specific
functions. In addition, it includes common code for low level routines such as
message passing and common data transfer routines
4) hal - this should likely be included in the arch directory as it needs to
be modified for a given platform. The directory structure in the staging area
is meant to reflect the eventual location of where this code likely should be.
It is platform specific. In this case, the HAL included is for the Android
Zoom 2 platform. Here, West Bridge is connected to the GPMC (general purpose
memory controller) of the OMAP3. Specific timing needs to be enabled to ensure
reliable communication.
Many thanks to Greg KH for conducting initial reviews and providing pointers.
Please contact david.cross@cypress.com for questions, concerns or feedback.
Signed-off-by: David Cross <david.cross@cypress.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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