On Mon, 12 Jul 2021 at 08:11, Christoph Hellwig [off-list ref] wrote:
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.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Apologies for the delay!
Acked-by: Ulf Hansson <redacted>
Kind regards
Uffe
quoted hunk ↗ jump to hunk
---
drivers/mmc/host/mmc_spi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 65c65bb5737f..3d28a3d3001b 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -948,7 +948,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
/* 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);
--2.30.2
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