Commit graph

335 commits

Author SHA1 Message Date
Julia Lawall ff11917d4f staging: tidspbridge: adjust error return code (bugfix)
The variable status is initialized to either 0 or an error code.  Return
status to propagate the error value.

A simplified version of the semantic patch that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
type T;
identifier i;
constant c;
@@

-T i;
<... when != i
-i = c;
...>
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-13 15:24:18 -08:00
Ivaylo Dimitrov d305558530 Staging: tidspbridge: Use hashtable implementation
Use upstream hashtable implementation instead of generic code

Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-09 10:36:59 -08:00
Ivaylo Dimitrov a3b22220a4 Staging: TIDSPBRIDGE: Remove UUID helper
Custom uuid helper function is needed only in rmgr/dbdcd.c and doesn't
need to be exported. It can also be made way simpler by using sscanf.

Signed-off-by: Ivaylo Dimitrov <freemangordon@abv.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-17 13:09:09 -08:00
Paul Gortmaker 885a947e5b staging: delete non-required instances of include <linux/init.h>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>.  Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-17 10:08:14 -08:00
Steven Luo ed75098fd1 Staging: TIDSPBRIDGE: Fix mmap to map the correct region of physical memory
Commit 559c71fe5d ("Staging: TIDSPBRIDGE: Use vm_iomap_memory for
mmap-ing instead of remap_pfn_range") had the effect of inadvertently
shifting the start of the physical memory area mapped by
pdata->phys_mempool_base.  Correct this by subtracting that shift before
calling vm_iomap_memory() and adding it back afterwards.

Reported-by: Dheeraj CVR <cvr.dheeraj@gmail.com>
Signed-off-by: Ivaylo Dimitrov <freemangordon@abv.bg>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-17 10:07:39 -08:00
Greg Kroah-Hartman 5c5bccb76c Merge 3.13-rc4 into staging-next.
We want the fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-16 17:12:04 -08:00
Ivaylo Dimitrov 559c71fe5d Staging: TIDSPBRIDGE: Use vm_iomap_memory for mmap-ing instead of remap_pfn_range
This fixes the following bug:

----  Bug Report ----

source file: drivers/staging/tidspbridge/rmgr/drv_interface.c
issue      : mapping of physical memory without address range checks

259 static int bridge_mmap(struct file *filp, struct vm_area_struct *vma)
260 {
261         u32 status;
262
263         /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by remap_pfn_range() */
264         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
265
266         dev_dbg(bridge, "%s: vm filp %p start %lx end %lx page_prot %ulx "
267                 "flags %lx\n", __func__, filp,
268                 vma->vm_start, vma->vm_end, vma->vm_page_prot,
269                 vma->vm_flags);
270
271         status = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
272                                  vma->vm_end - vma->vm_start,
273                                  vma->vm_page_prot);
274         if (status != 0)
275                 status = -EAGAIN;
276
277         return status;
278 }

The function provides an interface to remap physical memory to user space, but
does not provide any checks to ensure that the memory is within the region that
should be accessible.

Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Ivaylo Dimitrov <freemangordon@abv.bg>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-03 09:42:45 -08:00
Greg Kroah-Hartman 06749f192b Merge v3.13-rc2 into staging-next
we want these fixes in here.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-02 16:39:07 -08:00
Greg Kroah-Hartman 930ba4a374 Staging: tidspbridge: disable driver
There seems to be no active maintainer for the driver, and there is an
unfixed security bug, so disable the driver for now.

Hopefully someone steps up to be the maintainer, and works to get this
out of staging, otherwise it will be deleted soon.

Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Omar Ramirez Luna <omar.ramirez@copitl.com>
Cc: Omar Ramirez Luna <omar.ramirez@ti.com>
Cc: Kanigeri, Hari <h-kanigeri2@ti.com>
Cc: Ameya Palande <ameya.palande@nokia.com>
Cc: Guzman Lugo, Fernando <fernando.lugo@ti.com>
Cc: Hebbar, Shivananda <x0hebbar@ti.com>
Cc: Ramos Falcon, Ernesto <ernesto@ti.com>
Cc: Felipe Contreras <felipe.contreras@gmail.com>
Cc: Anna, Suman <s-anna@ti.com>
Cc: Gupta, Ramesh <grgupta@ti.com>
Cc: Gomez Castellanos, Ivan <ivan.gomez@ti.com>
Cc: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: Armando Uribe De Leon <x0095078@ti.com>
Cc: Deepak Chitriki <deepak.chitriki@ti.com>
Cc: Menon, Nishanth <nm@ti.com>
Cc: Phil Carmody <ext-phil.2.carmody@nokia.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-27 09:32:49 -08:00
Greg Kroah-Hartman 82d939ecf0 Merge branch 'opw-next' into staging-next
This pulls in all of the staging patches applied during the opw
application process, and some other staging patches that were submitted
during that period of time.  All of these are for 3.14-rc1.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-22 14:28:31 -08:00
Wolfram Sang 16735d022f tree-wide: use reinit_completion instead of INIT_COMPLETION
Use this new function to make code more comprehensible, since we are
reinitialzing the completion, not initializing.

[akpm@linux-foundation.org: linux-next resyncs]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-15 09:32:21 +09:00
Rashika Kheria 1fb35c2976 Staging: tidspbridge: Remove unnecessary newline character in dmm.c
This patch removes an extra newline character in pmgr/dmm.c.

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Suggested-by: Greg KH <gregkh@linuxfoundation.org>
Reviewed-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-11 15:55:16 -08:00
Rashika Kheria 9279e0c6ed Staging: tidspbridge: Fix foo * bar should be foo *bar in dspapi.c
This patch fixes the following checkpatch.pl warning in pmgr/dspapi.c-
ERROR: "foo * bar" should be "foo *bar"

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:12:55 -08:00
Rashika Kheria 6467f5c15e Staging: tidspbridge: Prefer dev_info() then printk() in dmm.c
This patch fixes the following checkpatch.pl warning in pmgr/dmm.c-
WARNING: Prefer netdev_info(netdev, ... then dev_info(dev, ... then pr_info(...  to printk(KERN_INFO ...

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:12:55 -08:00
Rashika Kheria 0431aa1b4e Staging: tidspbridge: Remove unnecessary white space before a quoted newline in dmm.c
This patch fixes the following checkpatch.pl warning in pmgr/dmm.c-
WARNING: unnecessary whitespace before a quoted newline

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:12:55 -08:00
Rashika Kheria e2a6d03f9c Staging: tidspbridge: Fix quoted string split across line in dmm.c
This patch fixes the following checkpatch.pl warning in pmgr/dmm.c-
WARNING: quoted string split across lines

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:12:55 -08:00
Rashika Kheria bf40d51a1c Staging: tidspbridge: Fix no space at the start of the line in dev.c
This patch fixes the following checkpatch.pl warning in pmgr/dev.c-
WARNING: please, no spaces at the start of a line

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:12:55 -08:00
Rashika Kheria 09ebd191f1 Staging: tidspbridge: Fix foo * bar should be foo *bar in dev.c
This patch fixes the following checkpatch.pl warning in pmgr/dev.c-
ERROR: "foo * bar" should be "foo *bar"

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:12:55 -08:00
Rashika Kheria b5f45d8eb6 Staging: tidspbridge: Fix no space at the start of the line in dbll.c
This patch fixes the following checkpatch.pl warning in pmgr/dbll.c-
WARNING: please, no space at the start of the line

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:10:38 -08:00
Rashika Kheria ae510a6a22 Staging: tidspbridge: Fix no space before tabs in dbll.c
This patch fixes the following checkpatch.pl warning in pmgr/dbll.c-
WARNING: please, no space before tabs

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:10:38 -08:00
Rashika Kheria 50e8f00184 Staging: tidspbridge: Fix quoted string split across line in dbll.c
This patch fixes the following checkpatch.pl warning in pmgr/dbll.c-
WARNING: quoted string split across lines

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:10:37 -08:00
Rashika Kheria a5fdf083f2 Staging: tidspbridge: Fix quoted string split across lines in cmm.c
This patch fixes the following checkpatch.pl warning in pmgr/cmm.c-
WARNING: quoted string split across lines

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:10:37 -08:00
Rashika Kheria c37da1c638 Staging: tidspbridge: Fix foo ** bar should be foo **bar in cmm.c
This patch fixes the following checkpatch.pl warning in pmgr/cmm.c-
ERROR: "foo ** bar" should be "foo **bar"

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-10 12:10:37 -08:00
Ebru Akagunduz db6f016f02 Staging: tidspbridge: fix no space before tabs
Fix checkpatch.pl issues please, no space before tabs in
drivers/staging/tidspbridge/rmgr/dspdrv.c

Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-06 22:07:30 -07:00
Masanari Iida d60019a948 staging: tidspbridge: Fix typos in comments
Correct spelling typos in comments.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-08-21 10:02:28 -07:00
Jingoo Han 932ef3685f staging: tidspbridge: replace strict_strtol() with kstrtos32()
The usage of strict_strtol() is not preferred, because
strict_strtol() is obsolete. Thus, kstrtos32() should be
used in order to convert a string to s32. Also, error handling
is added to get rid of a __must_check warning.

This fixes a memory corruption bug as well.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-24 09:51:18 -07:00
Kees Cook 096a8aac6b clean up scary strncpy(dst, src, strlen(src)) uses
Fix various weird constructions of strncpy(dst, src, strlen(src)).

Length limits should be about the space available in the destination,
not repurposed as a method to either always include or always exclude a
trailing NULL byte.  Either the NULL should always be copied (using
strlcpy), or it should not be copied (using something like memcpy).
Readable code should not depend on the weird behavior of strncpy when it
hits the length limit.  Better to avoid the anti-pattern entirely.

[akpm@linux-foundation.org: revert getdelays.c part due to missing bsd/string.h]
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>	[staging]
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>	[acpi]
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ursula Braun <ursula.braun@de.ibm.com>
Cc: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-03 16:07:41 -07:00
Linus Torvalds 0bf6a210a4 ARM SoC driver specific changes
These changes are all driver specific and cross over between arm-soc
 contents and some other subsystem, in these cases cpufreq, crypto,
 dma, pinctrl, mailbox and usb, and the subsystem owners agreed to
 have these changes merged through arm-soc. As we proceed to untangle
 the dependencies between platform code and driver code, the amount of
 changes in this category is fortunately shrinking, for 3.11 we have
 16 branches here and 101 non-merge changesets, the majority of which
 are for the stedma40 dma engine driver used in the ux500 platform.
 Cleaning up that code touches multiple subsystems, but gets rid
 of the dependency in the end.
 
 The mailbox code moved out from mach-omap2 to drivers/mailbox
 is an intermediate step and is still omap specific at the moment.
 Patches exist to generalize the subsystem and add other drivers
 with the same API, but those did not make it for 3.11.
 
 Conflicts:
 * In cpu-db8500.c results from the removal of the u8500_of_init_devices
   function in combination with the split of u8500_auxdata_lookup.
 
 * In arch/arm/mach-omap2/devices.c, the includes got reshuffled.
   we need to keep linux/wl12xx.h and linux/platform_data/mailbox-omap.h.
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver specific changes from Arnd Bergmann:
 "These changes are all driver specific and cross over between arm-soc
  contents and some other subsystem, in these cases cpufreq, crypto,
  dma, pinctrl, mailbox and usb, and the subsystem owners agreed to have
  these changes merged through arm-soc.

  As we proceed to untangle the dependencies between platform code and
  driver code, the amount of changes in this category is fortunately
  shrinking, for 3.11 we have 16 branches here and 101 non-merge
  changesets, the majority of which are for the stedma40 dma engine
  driver used in the ux500 platform.  Cleaning up that code touches
  multiple subsystems, but gets rid of the dependency in the end.

  The mailbox code moved out from mach-omap2 to drivers/mailbox is an
  intermediate step and is still omap specific at the moment.  Patches
  exist to generalize the subsystem and add other drivers with the same
  API, but those did not make it for 3.11."

* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (101 commits)
  crypto: ux500: use dmaengine_submit API
  crypto: ux500: use dmaengine_prep_slave_sg API
  crypto: ux500: use dmaengine_device_control API
  crypto: ux500/crypt: add missing __iomem qualifiers
  crypto: ux500/hash: add missing static qualifiers
  crypto: ux500/hash: use readl on iomem addresses
  dmaengine: ste_dma40: Declare memcpy config as static
  ARM: ux500: Remove mop500_snowball_ethernet_clock_enable()
  ARM: ux500: Correct the EN_3v3 regulator's on/off GPIO
  ARM: ux500: Provide a AB8500 GPIO Device Tree node
  gpio: rcar: fix gpio_rcar_of_table
  gpio-rcar: Remove #ifdef CONFIG_OF around OF-specific sections
  gpio-rcar: Reference core gpio documentation in the DT bindings
  clk: exynos5250: Add enum entries for divider clock of i2s1 and i2s2
  ARM: dts: Update Samsung I2S documentation
  ARM: dts: add clock provider information for i2s controllers in Exynos5250
  ARM: dts: add Exynos audio subsystem clock controller node
  clk: samsung: register audio subsystem clocks using common clock framework
  ARM: dts: use #include for all device trees for Samsung
  pinctrl: s3c24xx: use correct header for chained_irq functions
  ...
2013-07-02 14:33:21 -07:00
Suman Anna c869c75c16 mailbox/omap: move the OMAP mailbox framework to drivers
The mailbox hardware (in OMAP) uses a queued mailbox interrupt
mechanism that provides a communication channel between processors
through a set of registers and their associated interrupt signals
by sending and receiving messages.

The OMAP mailbox framework/driver code is moved to be under
drivers/mailbox, in preparation for adapting to a common mailbox
driver framework. This allows the build for OMAP mailbox to be
enabled (it was disabled during the multi-platform support).

As part of the migration from plat and mach code:
- Kconfig symbols have been renamed to build OMAP1 or OMAP2+ drivers.
- mailbox.h under plat-omap/plat/include has been split into a public
  and private header files. The public header has only the API related
  functions and types.
- The module name mailbox.ko from plat-omap is changed to
  omap-mailbox.ko
- The module name mailbox_mach.ko from mach-omapX is changed as
    mailbox_omap1.ko for OMAP1
    mailbox_omap2.ko for OMAP2+

Cc: Tony Lindgren <tony@atomide.com>
[gregkh@linuxfoundation.org: ack for staging part]
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
2013-06-11 11:41:51 -05:00
Wei Yongjun a547a7ac4c staging: tidspbridge: fix error return code in omap34_xx_bridge_probe()
Fix to return a negative error code in the class_create() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-08 22:12:05 -07:00
Tülin İzer 66f165766d Staging: tidspbridge: _tiomap.h: fixed indentation warning.
This patch fixes indentation warning found by checkpatch.pl in
tidspbridge/_tiomap.h

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:39 -07:00
Tülin İzer 7a019b10a9 Staging: tidspbridge: tiomap3430_pwr.c: fixed indentation warning.
This patch fixes indentation warning found by checkpatch.pl
in tidspbridge/tiomap3430_pwr.c

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:39 -07:00
Tülin İzer ae24e4f234 Staging: tidspbridge: wdt.c: fixed indentation warning.
This patch fixes indentation warning found by checkpatch.pl in
tidspbridge/wdt.c

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:38 -07:00
Tülin İzer 5d5ef9bfb5 Staging: tidspbridge: ue_deh.c: fixed space formatting issue.
This patch fixes warning about space formatting around pointer
found by checkpatch.pl in tidsbridge/ue_deh.c

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:37 -07:00
Tülin İzer e147d475d3 Staging: tidspbridge: _tiomap_pwr.h: fixed indentation warning.
This patch fixed indentation warning found by checkpatch.pl in
tidsbridge/_tiomap_pwr.h

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:37 -07:00
Tülin İzer a99f5916b9 Staging: tidspbridge: _tiomap.h: fixed warning 'space prohibited before semicolon'.
This patch fixes warning 'space prohibited before semicolon' found by
checkpatch.pl in tidspbridge/_tiomap.h

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:37 -07:00
Devendra Naga 1c824e7faf staging: tidspbridge: rmgr: proc.c: fix checkpatch errors
fixes the following errors

ERROR: "foo * bar" should be "foo *bar"
+int proc_ctrl(void *hprocessor, u32 dw_cmd, struct dsp_cbdata * arg)

ERROR: "foo * bar" should be "foo *bar"
+int proc_get_trace(void *hprocessor, u8 * pbuf, u32 max_size)

ERROR: space prohibited after that '*' (ctx:ExW)
+                           * hnotification)
                                ^

ERROR: "foo * bar" should be "foo *bar"
+int proc_get_processor_id(void *proc, u32 * proc_id)

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-25 11:02:56 -07:00
Devendra Naga f3109117aa staging:tidspbridge: rmgr: fix checkpatch errors
fixes the following errors

ERROR: "foo ** bar" should be "foo **bar"
+int strm_free_buffer(struct strm_res_object *strmres, u8 ** ap_buffer,

ERROR: "foo ** bar" should be "foo **bar"
+int strm_reclaim(struct strm_object *stream_obj, u8 ** buf_ptr,

ERROR: space prohibited after that '*' (ctx:ExW)
+				* hnotification)
 				^

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-25 11:02:55 -07:00
Tejun Heo 8e467e855c tidspbridge: convert to idr_alloc()
idr_get_new*() and friends are about to be deprecated.  Convert to the
new idr_alloc() interface.

There are some peculiarities and possible bugs in the converted
functions.  This patch preserves those.

* drv_insert_node_res_element() returns -ENOMEM on alloc failure,
  -EFAULT if id space is exhausted.  -EFAULT is at best misleading.

* drv_proc_insert_strm_res_element() is even weirder.  It returns
  -EFAULT if kzalloc() fails, -ENOMEM if idr preloading fails and
  -EPERM if id space is exhausted.  What's going on here?

* drv_proc_insert_strm_res_element() doesn't free *pstrm_res after
  failure.

Only compile tested.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
Cc: Rene Sapiens <rene.sapiens@ti.com>
Cc: Armando Uribe <x0095078@ti.com>
Cc: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-13 15:21:47 -07:00
Linus Torvalds 3298a3511f arm-soc: multiplatform support
Converting more ARM platforms to multiplatform support. This time, OMAP
 gets converted, which is a major step since this is by far the largest
 platform in terms of code size. The same thing happens to the vt8500
 platform.
 
 Conflicts include:
 * Two mach/uncompress.h files are removed, the changes made to them
   elsewhere can be discarded now.
 * Moving the OMAP4 irq_match array has context clashes with turning
   omap4_sar_ram_init into an omap_early_initcall()
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform support from Arnd Bergmann:
 "Converting more ARM platforms to multiplatform support.  This time,
  OMAP gets converted, which is a major step since this is by far the
  largest platform in terms of code size.  The same thing happens to the
  vt8500 platform."

* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  net: cwdavinci_cpdma: export symbols for cpsw
  remoteproc: omap: depend on OMAP_MBOX_FWK
  [media] davinci: do not include mach/hardware.h
  ARM: OMAP2+: Make sure files with omap initcalls include soc.h
  ARM: OMAP2+: Include soc.h to drm.c to fix compiling
  ARM: OMAP2+: Fix warning for hwspinlock omap_postcore_initcall
  ARM: multi_v7_defconfig: add ARCH_ZYNQ
  ARM: multi_v7_defconfig: remove unnecessary CONFIG_GPIOLIB
  arm: vt8500: Remove remaining mach includes
  arm: vt8500: Convert debug-macro.S to be multiplatform friendly
  arm: vt8500: Remove single platform Kconfig options
  ARM: OMAP2+: Remove now obsolete uncompress.h and debug-macro.S
  ARM: OMAP2+: Add minimal support for booting vexpress
  ARM: OMAP2+: Enable ARCH_MULTIPLATFORM support
  ARM: OMAP2+: Disable code that currently does not work with multiplaform
  ARM: OMAP2+: Add multiplatform debug_ll support
  ARM: OMAP: Fix dmaengine init for multiplatform
  ARM: OMAP: Fix i2c cmdline initcall for multiplatform
  ARM: OMAP2+: Use omap initcalls
  ARM: OMAP2+: Limit omap initcalls to omap only on multiplatform kernels
2013-02-21 15:20:41 -08:00
Arnd Bergmann acb7452369 Linux 3.8-rc5
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Merge branch 'omap/multiplatform-fixes', tag 'v3.8-rc5' into next/multiplatform

The omap multiplatform support uncovered a bug in the cwdavinci_cpdma
code and was missing two drivers that are enabled now but are not
quite ready for multiplatform, as found by allyesconfig builds.

There is also a conflict generated by automated merge in
arch/arm/mach-omap2/drm.c between a bug fix that went into v3.8-rc5
and a different version of the same fix that went into the
omap/multiplatform branch. This merge removes the extraneous
 #include that was causing build errors.

* omap/multiplatform-fixes:
  net: cwdavinci_cpdma: export symbols for cpsw
  remoteproc: omap: depend on OMAP_MBOX_FWK
  [media] davinci: do not include mach/hardware.h

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-02-15 13:31:52 +01:00
Cyril Roelandt b7e6724238 staging: tidspbridge: remove redundant NULL check before delete_msg_mgr().
delete_msg_mgr on a NULL pointer is a no-op, so the NULL check in
bridge_msg_delete can be removed.

Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-13 08:46:48 -08:00
Joe Perches 78110bb8dc staging: Remove unnecessary OOM messages
alloc failures already get standardized OOM
messages and a dump_stack.

For the affected mallocs around these OOM messages:

Converted kzallocs with multiplies to kcalloc.
Converted kmallocs with multiplies to kmalloc_array.
Converted a kmalloc/strlen/strncpy to kstrdup.
Moved a spin_lock below a removed OOM message and
removed a now unnecessary spin_unlock.
Neatened alignment and whitespace.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-11 10:10:33 -08:00
Chen Gang 4b90d01425 staging: tidspbridge/pmgr: another using strlcpy instead of strncpy
The fields must be null-terminated,
  or next strstr in dcd_get_objects, will cause issue

additoinal info:
  nldr_create may call cod_get_base_name, let sz_zl_file to get name (sz_name)
  and then call dcd_get_objects, passing sz_zl_file as a name string.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-21 14:00:10 -08:00
Chen Gang 9814a8750e staging: tidspbridge/pmgr: use strlcpy instead of strncpy
The fields must be null-terminated,
  or next strcpy in dbll_find_dsp_symbol, will cause issue

additoinal info:
  dbll_find_dsp_symbol call find_symbol_callback to get name.
  and then call strcpy to copy the name to upper caller.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-21 14:00:10 -08:00
Chen Gang ec7e0aef31 staging: tidspbridge/pmgr: additional checking after return from strlen_user
strlen_user will return the length including final NUL.
    and will return 0 if failed (for example: if user string not NUL terminated)

  so need check whether it is an invalid parameter.

addtional info:
  can reference the comments of strlen_user in lib/strnlen_user.c

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-21 14:00:10 -08:00
Omar Ramirez Luna a679f36152 staging: tidspbridge: remove unused code to handle iva_img
There is no way to specify the value of iva_img and since this code
is not being used, remove it.

This analysis resulted from a report by
Chen Gang <gang.chen@asianux.com>, mentioning that the existing code
was wrongly specifying the size to be copied.

Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 16:47:13 -08:00
Omar Ramirez Luna 4cb55ca1db staging: tidspbridge: use scm functions to set boot address and mode
Instead of ioremapping SCM registers, use the correspondent layer
to write into them.

This allows us to get rid of a layer violation, since the registers
are no longer touched by driver code.

Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 16:47:13 -08:00
Omar Ramirez Luna 49720e0120 staging: tidspbridge: fix uninitialized variable sym_name
On both counts, sym_name could be printed uninitialized, this
is solved by moving the pr_* statement to be triggered if the
value is assigned.

Reported-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 16:47:13 -08:00
Omar Ramirez Luna 94c947cd4e staging: tidspbridge: fix memory corruption on long string names
The value allocated doesn't match the one that is meant to be
stored, resulting in corruption of memory for longer strings
that can't be held in such space.

Fix by allocating the correct byte value for the string meant to
be stored.

Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 16:47:13 -08:00