mmc: sh_mmcif: Use sg_miter for PIO

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Use sg_miter iterator instead of sg_virt() and custom code
to loop over the scatterlist. The memory iterator will do
bounce buffering if the page happens to be located in high memory,
which the driver may or may not be using.

Suggested-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/linux-mmc/20240122073423.GA25859@lst.de/
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240127-mmc-proper-kmap-v2-9-d8e732aa97d1@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Linus Walleij 2024-01-27 01:19:56 +01:00 • committed by Ulf Hansson

parent e8a167b848

commit 27b57277d9

1 changed files with 63 additions and 39 deletions

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drivers/mmc/host/sh_mmcif.c

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