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ata: sata_dwc_460ex: burst size must be in items not bytes
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Tue, 26 Apr 2016 09:03:05 +0000 (12:03 +0300)
committerTejun Heo <tj@kernel.org>
Tue, 10 May 2016 16:29:18 +0000 (12:29 -0400)
commit4ea8c205e5fd1f7cac8f634347f842e12d8af9b4
tree93afa90a90d3bf8189a465032240297e8a9530cbtree | snapshot
parent6689dfac00ef3118f88d5b06e1f1d13899b79997commit | diff
ata: sata_dwc_460ex: burst size must be in items not bytes

The burst size as defined by DMAengine API is in items of address width. Derive
burst size from AHB_DMA_BRST_DFLT (64 bytes) by dividing it to
DMA_SLAVE_BUSWIDTH_4_BYTES (4 bytes) that gives us 16 items.

Tested-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
drivers/ata/sata_dwc_460ex.c diff | blob | blame | history
Linux kernel - Deliverables
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