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| author | Sergei Shtylyov <[email protected]> | 2018-08-22 21:22:26 +0300 |
|---|---|---|
| committer | Ulf Hansson <[email protected]> | 2018-08-23 10:00:49 +0200 |
| commit | d2332f887ddfba50fee93b8e1736376517c2df0c (patch) | |
| tree | 6d887610e9a5fa6fb0b6b25172da49b1a1a5b6ec /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | 9faf870e559a710c44e747ba20383ea82d8ac5d2 (diff) | |
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 <[email protected]>
Reviewed-by: Wolfram Sang <[email protected]>
Fixes: 2a68ea7896e3 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC")
Cc: [email protected] # v4.14+
Signed-off-by: Ulf Hansson <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions