From: Yoshinori Sato <ysato@users.sourceforge.jp>
Date: Mon, 1 Jun 2015 06:22:37 +0000 (+0900)
Subject: mmc_spi: Big-endian support
X-Git-Tag: v2015.10-rc2~59^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f67b69b1592662ec49485101a2358b71070bf57;p=platform%2Fkernel%2Fu-boot.git

mmc_spi: Big-endian support

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

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
---

diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c
index 5b5b33a..9032a73 100644
--- a/drivers/mmc/mmc_spi.c
+++ b/drivers/mmc/mmc_spi.c
@@ -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: