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| author |   Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2018-08-22 21:22:26 +0300 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2018-08-23 10:00:49 +0200 |
| commit | d2332f887ddfba50fee93b8e1736376517c2df0c (patch) | |
| tree | 6d887610e9a5fa6fb0b6b25172da49b1a1a5b6ec /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | mmc: renesas_sdhi_internal_dmac: fix #define RST_RESERVED_BITS (diff) | |
| download | linux-dev-d2332f887ddfba50fee93b8e1736376517c2df0c.tar.xz linux-dev-d2332f887ddfba50fee93b8e1736376517c2df0c.zip | |
mmc: renesas_sdhi_internal_dmac: mask DMAC interrupts
I have encountered an interrupt storm during the eMMC chip probing (and
the chip finally didn't get detected). It turned out that U-Boot left
the SDHI DMA interrupts enabled while the Linux driver didn't use those.
Masking those interrupts in renesas_sdhi_internal_dmac_request_dma() gets
rid of both issues...
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Fixes: 2a68ea7896e3 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC")
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions