]> git.kernelconcepts.de Git - karo-tx-uboot.git/commitdiff
mmc_spi: Big-endian support
authorYoshinori Sato <ysato@users.sourceforge.jp>
Mon, 1 Jun 2015 06:22:37 +0000 (15:22 +0900)
committerLothar Waßmann <LW@KARO-electronics.de>
Thu, 10 Sep 2015 08:19:15 +0000 (10:19 +0200)
Currently implement always swap for big-endian value.
So doesn't work big-endian environment.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
drivers/mmc/mmc_spi.c

index 5b5b33a4b23d293a0afcf79345e98102fc8d1e7b..9032a73d7834754cb5d7a9e9f0a2ecbb7edce7df 100644 (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: