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| author | Daniel Mack <zonque@gmail.com> | 2013-08-10 18:52:17 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2013-08-14 10:25:15 +0200 |
| commit | 1ac0e845c10685f3643fe81a08c13be4b9416bce (patch) | |
| tree | e919e05b799011a2027faa84a908b7c62f5ec97a /drivers/dma | |
| parent | dma: mmp_pdma: refactor unlocking path in lookup_phy() (diff) | |
| download | linux-1ac0e845c10685f3643fe81a08c13be4b9416bce.tar.xz linux-1ac0e845c10685f3643fe81a08c13be4b9416bce.zip | |
dma: mmp_pdma: fix maximum transfer length
There's no reason for limiting the maximum transfer length to 0x1000.
Take the actual bit mask instead; the PDMA is able to transfer chunks of
up to SZ_8K - 1.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/mmp_pdma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index 3c2ad72a1621..eb75d4b4bafe 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -71,7 +71,7 @@ #define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */ #define PDMA_ALIGNMENT 3 -#define PDMA_MAX_DESC_BYTES 0x1000 +#define PDMA_MAX_DESC_BYTES DCMD_LENGTH struct mmp_pdma_desc_hw { u32 ddadr; /* Points to the next descriptor + flags */ |