diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2015-06-03 07:36:23 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-08-11 06:25:50 -0300 |
| commit | 1af21985473d72965807ef5e5cc02528aa8c01e4 (patch) | |
| tree | b612c30870c7658ef3430cf592b7ea3a8d6b5c06 /drivers/media/platform/s5p-mfc/s5p_mfc_opr.h | |
| parent | 490a977a1038a7f6a6edf30b2555a6890cf24cab (diff) | |
[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>
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc_opr.h')
| -rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_opr.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h index 22dfb3effda8..77a08b19b46d 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h @@ -334,7 +334,7 @@ struct s5p_mfc_hw_ops { void s5p_mfc_init_hw_ops(struct s5p_mfc_dev *dev); void s5p_mfc_init_regs(struct s5p_mfc_dev *dev); -int s5p_mfc_alloc_priv_buf(struct device *dev, +int s5p_mfc_alloc_priv_buf(struct device *dev, dma_addr_t base, struct s5p_mfc_priv_buf *b); void s5p_mfc_release_priv_buf(struct device *dev, struct s5p_mfc_priv_buf *b); |