From: Christoph Hellwig <hch@xxxxxx> Subject: mmc: mmc_spi: replace flush_kernel_dcache_page with flush_dcache_page Pages passed to block drivers can be mapped page cache pages, so we must use flush_dcache_page here instead of the more limited flush_kernel_dcache_page that is intended for highmem pages only. Link: https://lkml.kernel.org/r/20210712060928.4161649-3-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Acked-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Alex Shi <alexs@xxxxxxxxxx> Cc: Geoff Levand <geoff@xxxxxxxxxxxxx> Cc: Greentime Hu <green.hu@xxxxxxxxx> Cc: Guo Ren <guoren@xxxxxxxxxx> Cc: Helge Deller <deller@xxxxxx> Cc: "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> Cc: Nick Hu <nickhu@xxxxxxxxxxxxx> Cc: Paul Cercueil <paul@xxxxxxxxxxxxxxx> Cc: Rich Felker <dalias@xxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxx> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Cc: Vincent Chen <deanbo422@xxxxxxxxx> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/mmc/host/mmc_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/mmc/host/mmc_spi.c~mmc-mmc_spi-replace-flush_kernel_dcache_page-with-flush_dcache_page +++ a/drivers/mmc/host/mmc_spi.c @@ -948,7 +948,7 @@ mmc_spi_data_do(struct mmc_spi_host *hos /* discard mappings */ if (direction == DMA_FROM_DEVICE) - flush_kernel_dcache_page(sg_page(sg)); + flush_dcache_page(sg_page(sg)); kunmap(sg_page(sg)); if (dma_dev) dma_unmap_page(dma_dev, dma_addr, PAGE_SIZE, dir); _
