]> git.baikalelectronics.ru Git - kernel.git/commit
[media] s5p-mfc: add additional check for incorrect memory configuration
authorMarek Szyprowski <m.szyprowski@samsung.com>
Wed, 3 Jun 2015 10:36:23 +0000 (07:36 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Tue, 11 Aug 2015 09:25:50 +0000 (06:25 -0300)
commite2eb3a4f7f011e540f6773f02dbe3b6055082157
treeb612c30870c7658ef3430cf592b7ea3a8d6b5c06
parent67b5da9299bcf581217879a7401649650aa9db5b
[media] s5p-mfc: add additional check for incorrect memory configuration

MFC hardware is known to trash random memory if one tries to use a
buffer which has lower DMA addresses than the configured DMA base
address. This patch adds a check for this case and proper error
handling.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Kamil Debski <kamil@wypas.org>
[s.nawrocki@samsung.com: fixed typo (addres -> address]
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c