tag 5e389a7fb3509e66b60cb260fe0a2d3065697a0e
tagger Ulf Hansson <ulf.hansson@linaro.org> Thu Aug 30 14:08:06 2018 +0200
object d2332f887ddfba50fee93b8e1736376517c2df0c

MMC core:
 - Fix unsupported parallel dispatch of requests

MMC host:
 - atmel-mci/android-goldfish: Fixup logic of sg_copy_{from,to}_buffer
 - renesas_sdhi_internal_dmac: Prevent IRQ-storm due of DMAC IRQs
 - renesas_sdhi_internal_dmac: Fixup bad register offset

commit d2332f887ddfba50fee93b8e1736376517c2df0c
author Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Wed Aug 22 21:22:26 2018 +0300
committer Ulf Hansson <ulf.hansson@linaro.org> Thu Aug 23 10:00:49 2018 +0200
tree 6d887610e9a5fa6fb0b6b25172da49b1a1a5b6ec
parent 9faf870e559a710c44e747ba20383ea82d8ac5d2

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>