mmc: at91_mci: correct kunmap_atomic()

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 <[email protected]>
Cc: Wolfgang Muees <[email protected]>
Cc: Andrew Victor <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Nicolas Ferre 2010-03-05 13:43:45 -08:00 • committed by Linus Torvalds
commit 752993ef8e

View file

@ -248,7 +248,7 @@ static inline void at91_mci_sg_to_dma(struct at91mci_host *host, struct mmc_data
dmabuf = (unsigned *)tmpv;
}
kunmap_atomic(((void *)sgbuffer) - sg->offset, KM_BIO_SRC_IRQ);
kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
if (size == 0)
break;
@ -313,7 +313,7 @@ static void at91_mci_post_dma_read(struct at91mci_host *host)
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);
data->bytes_xfered += amount;
if (size == 0)