diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/atmel-mci.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index e55f3932d580..5aa2c9404e92 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -1967,7 +1967,6 @@ static void atmci_tasklet_func(unsigned long priv) static void atmci_read_data_pio(struct atmel_mci *host) { struct scatterlist *sg = host->sg; - void *buf = sg_virt(sg); unsigned int offset = host->pio_offset; struct mmc_data *data = host->data; u32 value; @@ -1977,7 +1976,7 @@ static void atmci_read_data_pio(struct atmel_mci *host) do { value = atmci_readl(host, ATMCI_RDR); if (likely(offset + 4 <= sg->length)) { - put_unaligned(value, (u32 *)(buf + offset)); + sg_pcopy_to_buffer(sg, 1, &value, sizeof(u32), offset); offset += 4; nbytes += 4; @@ -1990,11 +1989,11 @@ static void atmci_read_data_pio(struct atmel_mci *host) goto done; offset = 0; - buf = sg_virt(sg); } } else { unsigned int remaining = sg->length - offset; - memcpy(buf + offset, &value, remaining); + + sg_pcopy_to_buffer(sg, 1, &value, remaining, offset); nbytes += remaining; flush_dcache_page(sg_page(sg)); @@ -2004,8 +2003,8 @@ static void atmci_read_data_pio(struct atmel_mci *host) goto done; offset = 4 - remaining; - buf = sg_virt(sg); - memcpy(buf, (u8 *)&value + remaining, offset); + sg_pcopy_to_buffer(sg, 1, (u8 *)&value + remaining, + offset, 0); nbytes += offset; } @@ -2035,7 +2034,6 @@ done: static void atmci_write_data_pio(struct atmel_mci *host) { struct scatterlist *sg = host->sg; - void *buf = sg_virt(sg); unsigned int offset = host->pio_offset; struct mmc_data *data = host->data; u32 value; @@ -2044,7 +2042,7 @@ static void atmci_write_data_pio(struct atmel_mci *host) do { if (likely(offset + 4 <= sg->length)) { - value = get_unaligned((u32 *)(buf + offset)); + sg_pcopy_from_buffer(sg, 1, &value, sizeof(u32), offset); atmci_writel(host, ATMCI_TDR, value); offset += 4; @@ -2056,13 +2054,12 @@ static void atmci_write_data_pio(struct atmel_mci *host) goto done; offset = 0; - buf = sg_virt(sg); } } else { unsigned int remaining = sg->length - offset; value = 0; - memcpy(&value, buf + offset, remaining); + sg_pcopy_from_buffer(sg, 1, &value, remaining, offset); nbytes += remaining; host->sg = sg = sg_next(sg); @@ -2073,8 +2070,8 @@ static void atmci_write_data_pio(struct atmel_mci *host) } offset = 4 - remaining; - buf = sg_virt(sg); - memcpy((u8 *)&value + remaining, buf, offset); + sg_pcopy_from_buffer(sg, 1, (u8 *)&value + remaining, + offset, 0); atmci_writel(host, ATMCI_TDR, value); nbytes += offset; } |