Neil Armstrong 103a5348c2 mmc: meson-gx: use memcpy_to/fromio for dram-access-quirk ... It has been reported that usage of memcpy() to/from an iomem mapping is invalid, and a recent arm64 memcpy update [1] triggers a memory abort when dram-access-quirk is used on the G12A/G12B platforms. This adds a local sg_copy_to_buffer which makes usage of io versions of memcpy when dram-access-quirk is enabled. [1] 285133040e ("arm64: Import latest memcpy()/memmove() implementation") Fixes: acdc8e71d9 ("mmc: meson-gx: add dram-access-quirk") Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Suggested-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20210609150230.9291-1-narmstrong@baylibre.com Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>		2021-06-14 14:02:33 +02:00
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core	mmc: block: Issue a cache flush only when it's enabled	2021-04-26 11:37:23 +02:00
host	mmc: meson-gx: use memcpy_to/fromio for dram-access-quirk	2021-06-14 14:02:33 +02:00
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