drivers/mmc/host/mmc_spi.c: Use get/put_unaligned_be32

Very minor source and binary size reduction.

Signed-off-by: George Spelvin <linux@horizon.com>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 6 insertions, 12 deletions

diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 338e2202eaaa..cc8d4a6099cd 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -448,7 +448,6 @@ mmc_spi_command_send(struct mmc_spi_host *host,
 {
         struct scratch          *data = host->data;
         u8                      *cp = data->status;
-        u32                     arg = cmd->arg;
         int                     status;
         struct spi_transfer     *t;
 
@@ -465,14 +464,12 @@ mmc_spi_command_send(struct mmc_spi_host *host,
          * We init the whole buffer to all-ones, which is what we need
          * to write while we're reading (later) response data.
          */
-        memset(cp++, 0xff, sizeof(data->status));
+        memset(cp, 0xff, sizeof(data->status));
 
-        *cp++ = 0x40 | cmd->opcode;
-        *cp++ = (u8)(arg >> 24);
-        *cp++ = (u8)(arg >> 16);
-        *cp++ = (u8)(arg >> 8);
-        *cp++ = (u8)arg;
-        *cp++ = crc7_be(0, &data->status[1], 5) | 0x01;
+        cp[1] = 0x40 | cmd->opcode;
+        put_unaligned_be32(cmd->arg, cp+2);
+        cp[6] = crc7_be(0, cp+1, 5) | 0x01;
+        cp += 7;
 
         /* Then, read up to 13 bytes (while writing all-ones):
          *  - N(CR) (== 1..8) bytes of all-ones
@@ -711,10 +708,7 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t,
          * so we have to cope with this situation and check the response
          * bit-by-bit. Arggh!!!
          */
-        pattern  = scratch->status[0] << 24;
-        pattern |= scratch->status[1] << 16;
-        pattern |= scratch->status[2] << 8;
-        pattern |= scratch->status[3];
+        pattern = get_unaligned_be32(scratch->status);
 
         /* First 3 bit of pattern are undefined */
         pattern |= 0xE0000000;