litmus-rt.git/arch/arm/plat-pxa, branch master The LITMUS^RT kernel. ARM: plat-pxa: remove use of seq_printf return value 2015-04-15T23:35:25+00:00 Joe Perches joe@perches.com 2015-04-15T23:18:02+00:00 cd2b2937c6ae7f8d562d7e08e06da70e778d0323 The seq_printf return value, because it's frequently misused, (as it is here, it doesn't return # of chars emitted) will eventually be converted to void. See: commit 1f33c41c03da ("seq_file: Rename seq_overflow() to seq_has_overflowed() and make public") Signed-off-by: Joe Perches <joe@perches.com> Cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 
The seq_printf return value, because it's frequently misused,
(as it is here, it doesn't return # of chars emitted) will
eventually be converted to void.

See: commit 1f33c41c03da ("seq_file: Rename seq_overflow() to
     seq_has_overflowed() and make public")

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ARM: plat-pxa: drop owner assignment from platform_drivers 2014-10-20T14:20:07+00:00 Wolfram Sang wsa@the-dreams.de 2014-10-20T14:20:07+00:00 848ceb1b85e306a8634ea6ed6ec752598554f5b1 A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> 
A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
ARM: pxa: ssp: provide platform_device_id for PXA3xx 2014-09-18T17:56:02+00:00 Daniel Mack zonque@gmail.com 2014-08-13T19:59:18+00:00 6f0243a1ec55e7140f69629b53e105d0715ef31b Provide an explicit match string for PXA3xx SSP ports. Without this match string, SSP0/SSP1/SSP2 in PXA3xxx will be consided as PXA27x SSP Port. Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org> 
Provide an explicit match string for PXA3xx SSP ports.

Without this match string, SSP0/SSP1/SSP2 in PXA3xxx will be consided as
PXA27x SSP Port.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
ARM: pxa: remove IRQF_DISABLED 2013-12-12T01:32:41+00:00 Michael Opdenacker michael.opdenacker@free-electrons.com 2013-12-09T10:22:22+00:00 ed7936f913456e4c01aed75deba6cfaf830fa8cf This flag is a NOOP since 2.6.35 and can be removed. Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Acked-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com> [olof: Fixed compilation failure for pcm990-baseboard] Signed-off-by: Olof Johansson <olof@lixom.net> 
This flag is a NOOP since 2.6.35 and can be removed.

Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
[olof: Fixed compilation failure for pcm990-baseboard]
Signed-off-by: Olof Johansson <olof@lixom.net>
ARM: pxa: ssp: Check return values from phandle lookups 2013-09-10T00:14:09+00:00 Olof Johansson olof@lixom.net 2013-09-05T19:30:52+00:00 d5ece9373c6e0f95ae59f303810e1ccbcd044629 Commit a6e56c28a178cef5f (ARM: pxa: ssp: add DT bindings) causes warnings when built: arch/arm/plat-pxa/ssp.c: In function 'pxa_ssp_probe': arch/arm/plat-pxa/ssp.c:145:17: warning: 'dma_spec.args[0]' may be used uninitialized in this function [-Wmaybe-uninitialized] Resolve by checking return values and aborting when lookups fail. Cc: Daniel Mack <zonque@gmail.com> Cc: Mark Brown <broonie@linaro.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Olof Johansson <olof@lixom.net> 
Commit a6e56c28a178cef5f (ARM: pxa: ssp: add DT bindings) causes warnings
when built:

arch/arm/plat-pxa/ssp.c: In function 'pxa_ssp_probe':
arch/arm/plat-pxa/ssp.c:145:17: warning: 'dma_spec.args[0]' may be used
	uninitialized in this function [-Wmaybe-uninitialized]

Resolve by checking return values and aborting when lookups fail.

Cc: Daniel Mack <zonque@gmail.com>
Cc: Mark Brown <broonie@linaro.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
ARM: pxa: ssp: add pxa_ssp_request_of() 2013-08-14T18:54:30+00:00 Daniel Mack zonque@gmail.com 2013-08-12T08:37:18+00:00 6446221c14ef3bf58754cf1948631128dbe62700 Add a function to lookup ssp devices from device tree. This way, users can reference the ssp devices in order to register to them. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Mark Brown <broonie@linaro.org> 
Add a function to lookup ssp devices from device tree. This way, users
can reference the ssp devices in order to register to them.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
ARM: pxa: ssp: use devm_ functions 2013-08-14T18:54:27+00:00 Daniel Mack zonque@gmail.com 2013-08-12T08:37:17+00:00 1c459de1e645b213a07b9492884a54f5861409f5 Use devm_ functions to allocate memory, ioremap, clk_get etc to clean up the error unwind path. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Mark Brown <broonie@linaro.org> 
Use devm_ functions to allocate memory, ioremap, clk_get etc to clean up
the error unwind path.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
ARM: pxa: ssp: add DT bindings 2013-08-14T18:54:23+00:00 Daniel Mack zonque@gmail.com 2013-08-12T08:37:16+00:00 a6e56c28a178cef5f93d1e11698a23a5482175d9 This patch contains an ugly hack for looking up the the DMA request number. The problem here is that the implementation as it stands will allocate the DMA channel from the user of the ssp port, and hence we cannot allocate a real channel here. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Mark Brown <broonie@linaro.org> 
This patch contains an ugly hack for looking up the the DMA request
number. The problem here is that the implementation as it stands will
allocate the DMA channel from the user of the ssp port, and hence we
cannot allocate a real channel here.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
ARM: pxa: ssp: add shortcut for &pdev->dev 2013-08-14T18:54:20+00:00 Daniel Mack zonque@gmail.com 2013-08-12T08:37:15+00:00 970d8a7152aa884b9bab6a8db1ff148ee22df899 No functional change, just a cosmetic cleanup. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Mark Brown <broonie@linaro.org> 
No functional change, just a cosmetic cleanup.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
ARM: pxa: ssp: remove unnecessary warning on kzalloc() failure 2013-08-14T18:54:12+00:00 Daniel Mack zonque@gmail.com 2013-08-12T08:37:14+00:00 64be28146f746681c5f5625d321dd67602bb264c The memory subsystem will already complain loudly enough in such cases. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Mark Brown <broonie@linaro.org> 
The memory subsystem will already complain loudly enough in such cases.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>