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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2018-05-10 08:41:13 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-14 13:41:05 +0200 |
| commit | aa2f80e752c75e593b3820f42c416ed9458fa73e (patch) | |
| tree | 8f2bebb6d17d2e10017e3304e1654ea478999825 /lib/devres.c | |
| parent | tty: serial: msm_serial: Add __maybe_unused to suspend/resume callbacks (diff) | |
| download | linux-aa2f80e752c75e593b3820f42c416ed9458fa73e.tar.xz linux-aa2f80e752c75e593b3820f42c416ed9458fa73e.zip | |
serial: samsung: fix maxburst parameter for DMA transactions
The best granularity of residue that DMA engine can report is in the BURST
units, so the serial driver must use MAXBURST = 1 and DMA_SLAVE_BUSWIDTH_1_BYTE
if it relies on exact number of bytes transferred by DMA engine.
Fixes: 62c37eedb74c ("serial: samsung: add dma reqest/release functions")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/devres.c')
0 files changed, 0 insertions, 0 deletions