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mmc: at91_mci: correct kunmap_atomic()

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kunmap_atomic() accepts a pointer to any location in the page so we do not
need the subtraction and cast.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Wolfgang Muees <wolfgang.mues@auerswald.de>
Cc: Andrew Victor <avictor.za@gmail.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nicolas Ferre
2010-03-05 13:43:45 -08:00
committed by Linus Torvalds
parent 5b27a1a566
commit 752993ef8e
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/host/at91_mci.c
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@@ -248,7 +248,7 @@ static inline void at91_mci_sg_to_dma(struct at91mci_host *host, struct mmc_data
dmabuf = (unsigned *)tmpv; dmabuf = (unsigned *)tmpv;
} }
kunmap_atomic(((void *)sgbuffer) - sg->offset, KM_BIO_SRC_IRQ); kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
if (size == 0) if (size == 0)
break; break;
@@ -313,7 +313,7 @@ static void at91_mci_post_dma_read(struct at91mci_host *host)
dmabuf = (unsigned *)tmpv; dmabuf = (unsigned *)tmpv;
} }
kunmap_atomic(((void *)sgbuffer)-sg->offset, KM_BIO_SRC_IRQ); kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
dmac_flush_range((void *)sgbuffer, ((void *)sgbuffer) + amount); dmac_flush_range((void *)sgbuffer, ((void *)sgbuffer) + amount);
data->bytes_xfered += amount; data->bytes_xfered += amount;
if (size == 0) if (size == 0)