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| author |   Jisheng Zhang <Jisheng.Zhang@synaptics.com> | 2018-08-28 17:48:14 +0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2018-10-08 11:40:43 +0200 |
| commit | b85c997d2cfefe7d1f706b85ae46e35a50e3131c (patch) | |
| tree | f1aa82a006d0b5b6fdf5cd55a42161f466522af5 /include/linux | |
| parent | mmc: sdhci: introduce adma_write_desc() hook to struct sdhci_ops (diff) | |
| download | wireguard-linux-b85c997d2cfefe7d1f706b85ae46e35a50e3131c.tar.xz wireguard-linux-b85c997d2cfefe7d1f706b85ae46e35a50e3131c.zip | |
mmc: sdhci-of-dwcmshc: solve 128MB DMA boundary limitation
When using DMA, if the DMA addr spans 128MB boundary, we have to split
the DMA transfer into two so that each one doesn't exceed the boundary.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions