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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
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ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Do a sanity check on these before using them as divisors.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Functions not referenced outside of a source file should be marked
static to prevent them from being exposed globally.
Quiets the sparse warnings:
warning: symbol 'mb862xx_intr' was not declared. Should it be static?
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Functions not referenced outside of a source file should be marked
static to prevent them from being exposed globally.
Quiets the sparse warnings:
warning: symbol 'mb862xx_i2c_stop' was not declared. Should it be static?
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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They were getting this implicitly by an include of module.h
from device.h -- but we are going to clean that up and break
that include chain, so include module.h explicitly now.
[ with contributions from Axel Lin <axel.lin@gmail.com> ]
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.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).
So now this flag is a NOOP and can be removed.
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Increase delay when polling for tx status. This fixes
the unreliable video decoder i2c register access.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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We must not use any information in the passed var besides xoffset,
yoffset and vmode as otherwise applications might abuse it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Several fixes as well where the +1 was missing.
Done via coccinelle scripts like:
@@
struct resource *ptr;
@@
- ptr->end - ptr->start + 1
+ resource_size(ptr)
and some grep and typing.
Mostly uncompiled, no cross-compilers.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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alpha allmodconfig:
drivers/video/mb862xx/mb862xxfbdrv.c: In function 'mb862xxfb_ioctl':
drivers/video/mb862xx/mb862xxfbdrv.c:323: error: implicit declaration of function 'copy_to_user'
drivers/video/mb862xx/mb862xxfbdrv.c:327: error: implicit declaration of function 'copy_from_user'
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix this:
drivers/video/mb862xx/mb862xx-i2c.c: In function 'mb862xx_i2c_wait_event':
drivers/video/mb862xx/mb862xx-i2c.c:25: error: implicit declaration of function 'udelay'
caused by commit f8a6b1f44833 ("video: mb862xx: add support for
controller's I2C bus adapter").
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Allow displaying L1 video data on top of the primary L0 layer.
The L1 layer position and dimensions can be configured and the
layer enabled/disabled by using the appropriate L1 controls
added by this patch.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
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Add adapter driver for I2C adapter in Coral-P(A)/Lime GDCs.
So we can easily access devices on controller's I2C bus using
i2c-dev interface.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
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By default the GDC registers are located in the middle of the 64MiB
area for video RAM and registers. When 32MiB VRAM or more is used,
relocate the register space to the top of the 64MiB space so that
we get the contiguous VRAM for GDC frame buffer layers, drawing
frames, capture and cursor buffers.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
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If the bootloader has already initialized the display
controller, do not re-initialize it in the driver. Take over
the bootloader's configuration instead. This is already supported
for non PCI GDCs Lime and Mint. Add this functionality for PCI
GDCs Coral-P and Coral-PA. It is useful to avoid flicker and
also avoids unneeded init delays while booting.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
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Initialize smem_len field to the actual frame buffer size and
not to the whole video RAM size. This prevents overwriting
other video memory (which could be used by other layers, cursors
or accelerated drivers) by frame buffer applications relying on
fix.smem_len.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
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Get rid of users of of_platform_driver in drivers/video. The
of_platform_{,un}register_driver functions are going away, so the
users need to be converted to using the platform_bus_type directly.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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of_device is just an alias for platform_device, so remove it entirely. Also
replace to_of_device() with to_platform_device() and update comment blocks.
This patch was initially generated from the following semantic patch, and then
edited by hand to pick up the bits that coccinelle didn't catch.
@@
@@
-struct of_device
+struct platform_device
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Reviewed-by: David S. Miller <davem@davemloft.net>
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Fixes build errors in a number of framebuffer drivers caused
by the OF device_node pointer being moved into struct device
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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.name, .match_table and .owner are duplicated in both of_platform_driver
and device_driver. This patch is a removes the extra copies from struct
of_platform_driver and converts all users to the device_driver members.
This patch is a pretty mechanical change. The usage model doesn't change
and if any drivers have been missed, or if anything has been fixed up
incorrectly, then it will fail with a compile time error, and the fixup
will be trivial. This patch looks big and scary because it touches so
many files, but it should be pretty safe.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
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Since Valentin's email address @siemens.com is no longer valid, it's time
to change it to the one that actually works so that I don't have to
manually forward patches against mb862xx to him every time.
Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Acked-by: Valentin Sitdikov <v.sitdikov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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mb862xxfb_accel built as a separate module, but it does not have a
MODULE_LICENSE, so it taints the kernel. Add a MODULE_LICENSE to it (same
as mb862xxfb license).
mb862xxfb_accel: module license 'unspecified' taints kernel.
Or should mb862xxfb_accel be built into the mb862xxfb binary file instead?
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Alexander Shishkin <virtuoso@slind.org>
Cc: Valentin Sitdikov <v.sitdikov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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There was some conditionalizing for the LWMON5 boards in kernel source.
However infrastructure for enabling this isn't here so probably the
special case code can go as well.
Signed-off-by: Christoph Egger <siccegge@stud.informatik.uni-erlangen.de>
Acked-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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copyarea * fillrect
[akpm@linux-foundation.org: clean up comments, remove do-nothing tests, use min()]
[akpm@linux-foundation.org: fix Alexandr's email address]
[akpm@linux-foundation.org: export mb862xxfb_init_accel]
Signed-off-by: Valentin Sitdikov <valentin.sitdikov@siemens.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With this change, the driver builds fine on Microblaze, which helps
allyesconfig compile tests.
I did not test sparc, but the change should have the same effect there.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Anatolij Gustschin <agust@denx.de>
Tested-by: Anatolij Gustschin <agust@denx.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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sparc64:
drivers/video/mb862xx/mb862xxfb.c:929: warning: long long unsigned int format, resource_size_t arg (arg 4)
drivers/video/mb862xx/mb862xxfb.c:931: warning: long long unsigned int format, resource_size_t arg (arg 4)
We don't know what type the architecture uses to implement u64, hence they
cannot be printed.
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Matteo Fortini <m.fortini@selcomgroup.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a framebuffer driver for the Fujitsu Carmine/Coral-P(A)/Lime graphics
controllers. Lime GDC support is known to work on PPC440EPx based lwmon5
and MPC8544E based socrates embedded boards, both equipped with Lime GDC.
Carmine/Coral-P PCI GDC support is known to work on PPC440EPx based
Sequoia board and also on x86 platform.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Matteo Fortini <m.fortini@selcomgroup.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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