Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9b60fa4a authored by George Spelvin's avatar George Spelvin Committed by John W. Linville
Browse files

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



Very minor source and binary size reduction.

Signed-off-by: default avatarGeorge Spelvin <linux@horizon.com>
Reviewed-by: default avatarPavel Machek <pavel@ucw.cz>
Reviewed-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Acked-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 1836eea2

drivers/mmc/host/mmc_spi.c

+6 −12
Original line number Diff line number Diff line
@@ -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;