mmc: at91_mci: modify cache flush routines

As we were using an internal dma flushing routine, this patch changes to
the DMA API flush_kernel_dcache_page().  Driver is able to compile now.

[akpm@linux-foundation.org: flush_kernel_dcache_page() comes before kunmap_atomic()]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index a6dd7da..336d9f5 100644 (file)
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -314,8 +314,8 @@ static void at91_mci_post_dma_read(struct at91mci_host *host)
                        dmabuf = (unsigned *)tmpv;
                }
 
+               flush_kernel_dcache_page(sg_page(sg));
                kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
-               dmac_flush_range((void *)sgbuffer, ((void *)sgbuffer) + amount);
                data->bytes_xfered += amount;
                if (size == 0)
                        break;