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mmc_spi: Big-endian support

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Currently implement always swap for big-endian value.
So doesn't work big-endian environment.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
This commit is contained in:
Yoshinori Sato 2015-06-01 15:22:37 +09:00 • committed by Pantelis Antoniou
parent 760177dff4
commit 6f67b69b15
1 changed files with 5 additions and 5 deletions
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10
drivers/mmc/mmc_spi.c
View file

@ -11,7 +11,7 @@
#include <spi.h>
#include <crc.h>
#include <linux/crc7.h>
#include <linux/byteorder/swab.h>
#include <asm/byteorder.h>
/* MMC/SD in SPI mode reports R1 status always */
#define R1_SPI_IDLE (1 << 0)
@ -91,7 +91,7 @@ static uint mmc_spi_readdata(struct mmc *mmc, void *xbuf,
spi_xfer(spi, bsize * 8, NULL, buf, 0);
spi_xfer(spi, 2 * 8, NULL, &crc, 0);
#ifdef CONFIG_MMC_SPI_CRC_ON
if (swab16(cyg_crc16(buf, bsize)) != crc) {
if (be_to_cpu16(cyg_crc16(buf, bsize)) != crc) {
debug("%s: CRC error\n", mmc->cfg->name);
r1 = R1_SPI_COM_CRC;
break;
@ -120,7 +120,7 @@ static uint mmc_spi_writedata(struct mmc *mmc, const void *xbuf,
tok[1] = multi ? SPI_TOKEN_MULTI_WRITE : SPI_TOKEN_SINGLE;
while (bcnt--) {
#ifdef CONFIG_MMC_SPI_CRC_ON
crc = swab16(cyg_crc16((u8 *)buf, bsize));
crc = cpu_to_be16(cyg_crc16((u8 *)buf, bsize));
#endif
spi_xfer(spi, 2 * 8, tok, NULL, 0);
spi_xfer(spi, bsize * 8, buf, NULL, 0);
@ -193,7 +193,7 @@ static int mmc_spi_request(struct mmc *mmc, struct mmc_cmd *cmd,
} else if (cmd->resp_type == MMC_RSP_R2) {
r1 = mmc_spi_readdata(mmc, cmd->response, 1, 16);
for (i = 0; i < 4; i++)
cmd->response[i] = swab32(cmd->response[i]);
cmd->response[i] = be32_to_cpu(cmd->response[i]);
debug("r128 %x %x %x %x\n", cmd->response[0], cmd->response[1],
cmd->response[2], cmd->response[3]);
} else if (!data) {
@ -205,7 +205,7 @@ static int mmc_spi_request(struct mmc *mmc, struct mmc_cmd *cmd,
case SD_CMD_SEND_IF_COND:
case MMC_CMD_SPI_READ_OCR:
spi_xfer(spi, 4 * 8, NULL, cmd->response, 0);
cmd->response[0] = swab32(cmd->response[0]);
cmd->response[0] = be32_to_cpu(cmd->response[0]);
debug("r32 %x\n", cmd->response[0]);
break;
case MMC_CMD_SEND_STATUS: