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>

diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 338e220..cc8d4a6 100644 (file)
--- 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;