mmc: use the generic error number

Use the generic error number instead of specific error number.
If use the generic error number, it can debug more easier.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>

drivers/mmc/arm_pl180_mmci.c

@@ -37,7 +37,7 @@ static int wait_for_command_end(struct mmc *dev, struct mmc_cmd *cmd)
 	writel(statusmask, &host->base->status_clear);
 	if (hoststatus & SDI_STA_CTIMEOUT) {
 		debug("CMD%d time out\n", cmd->cmdidx);
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	} else if ((hoststatus & SDI_STA_CCRCFAIL) &&
 		   (cmd->resp_type & MMC_RSP_CRC)) {
 		printf("CMD%d CRC error\n", cmd->cmdidx);

drivers/mmc/bfin_sdh.c

@@ -109,9 +109,9 @@ sdh_send_cmd(struct mmc *mmc, struct mmc_cmd *mmc_cmd)
 	}
 
 	if (status & CMD_TIME_OUT)
-		ret = TIMEOUT;
+		ret = -ETIMEDOUT;
 	else if (status & CMD_CRC_FAIL && flags & MMC_RSP_CRC)
-		ret = COMM_ERR;
+		ret = -ECOMM;
 	else
 		ret = 0;
 
@@ -136,7 +136,7 @@ static int sdh_setup_data(struct mmc *mmc, struct mmc_data *data)
 
 	/* Don't support write yet. */
 	if (data->flags & MMC_DATA_WRITE)
-		return UNUSABLE_ERR;
+		return -EOPNOTSUPP;
 #ifndef RSI_BLKSZ
 	data_ctl |= ((ffs(data->blocksize) - 1) << 4);
 #else
@@ -194,10 +194,10 @@ static int bfin_sdh_request(struct mmc *mmc, struct mmc_cmd *cmd,
 
 		if (status & DAT_TIME_OUT) {
 			bfin_write_SDH_STATUS_CLR(DAT_TIMEOUT_STAT);
-			ret |= TIMEOUT;
+			ret = -ETIMEDOUT;
 		} else if (status & (DAT_CRC_FAIL | RX_OVERRUN)) {
 			bfin_write_SDH_STATUS_CLR(DAT_CRC_FAIL_STAT | RX_OVERRUN_STAT);
-			ret |= COMM_ERR;
+			ret = -ECOMM;
 		} else
 			bfin_write_SDH_STATUS_CLR(DAT_BLK_END_STAT | DAT_END_STAT);
 

drivers/mmc/davinci_mmc.c

@@ -9,6 +9,7 @@
 #include <config.h>
 #include <common.h>
 #include <command.h>
+#include <errno.h>
 #include <mmc.h>
 #include <part.h>
 #include <malloc.h>
@@ -66,7 +67,7 @@ dmmc_wait_fifo_status(volatile struct davinci_mmc_regs *regs, uint status)
 		udelay(100);
 
 	if (wdog == 0)
-		return COMM_ERR;
+		return -ECOMM;
 
 	return 0;
 }
@@ -80,7 +81,7 @@ static int dmmc_busy_wait(volatile struct davinci_mmc_regs *regs)
 		udelay(10);
 
 	if (wdog == 0)
-		return COMM_ERR;
+		return -ECOMM;
 
 	return 0;
 }
@@ -99,7 +100,7 @@ static int dmmc_check_status(volatile struct davinci_mmc_regs *regs,
 			return 0;
 		} else if (mmcstatus & st_error) {
 			if (mmcstatus & MMCST0_TOUTRS)
-				return TIMEOUT;
+				return -ETIMEDOUT;
 			printf("[ ST0 ERROR %x]\n", mmcstatus);
 			/*
 			 * Ignore CRC errors as some MMC cards fail to
@@ -107,7 +108,7 @@ static int dmmc_check_status(volatile struct davinci_mmc_regs *regs,
 			 */
 			if (mmcstatus & MMCST0_CRCRS)
 				return 0;
-			return COMM_ERR;
+			return -ECOMM;
 		}
 		udelay(10);
 
@@ -116,7 +117,7 @@ static int dmmc_check_status(volatile struct davinci_mmc_regs *regs,
 
 	printf("Status %x Timeout ST0:%x ST1:%x\n", st_ready, mmcstatus,
 			get_val(&regs->mmcst1));
-	return COMM_ERR;
+	return -ECOMM;
 }
 
 /*

drivers/mmc/dw_mmc.c

@@ -158,7 +158,7 @@ static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data)
 		if (get_timer(start) > timeout) {
 			debug("%s: Timeout waiting for data!\n",
 			      __func__);
-			ret = TIMEOUT;
+			ret = -ETIMEDOUT;
 			break;
 		}
 	}
@@ -203,7 +203,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 	while (dwmci_readl(host, DWMCI_STATUS) & DWMCI_BUSY) {
 		if (get_timer(start) > timeout) {
 			debug("%s: Timeout on data busy\n", __func__);
-			return TIMEOUT;
+			return -ETIMEDOUT;
 		}
 	}
 
@@ -269,7 +269,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 
 	if (i == retry) {
 		debug("%s: Timeout.\n", __func__);
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	}
 
 	if (mask & DWMCI_INTMSK_RTO) {
@@ -282,7 +282,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		 * CMD8, please keep that in mind.
 		 */
 		debug("%s: Response Timeout.\n", __func__);
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	} else if (mask & DWMCI_INTMSK_RE) {
 		debug("%s: Response Error.\n", __func__);
 		return -EIO;

drivers/mmc/fsl_esdhc.c

@@ -12,6 +12,7 @@
 #include <config.h>
 #include <common.h>
 #include <command.h>
+#include <errno.h>
 #include <hwconfig.h>
 #include <mmc.h>
 #include <part.h>
@@ -252,7 +253,7 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
 			if ((esdhc_read32(&regs->prsstat) &
 			    PRSSTAT_WPSPL) == 0) {
 				printf("\nThe SD card is locked. Can not write to a locked card.\n\n");
-				return TIMEOUT;
+				return -ETIMEDOUT;
 			}
 		}
 
@@ -410,12 +411,12 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 	irqstat = esdhc_read32(&regs->irqstat);
 
 	if (irqstat & CMD_ERR) {
-		err = COMM_ERR;
+		err = -ECOMM;
 		goto out;
 	}
 
 	if (irqstat & IRQSTAT_CTOE) {
-		err = TIMEOUT;
+		err = -ETIMEDOUT;
 		goto out;
 	}
 
@@ -441,7 +442,7 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 		if (timeout <= 0) {
 			printf("Timeout waiting for DAT0 to go high!\n");
-			err = TIMEOUT;
+			err = -ETIMEDOUT;
 			goto out;
 		}
 	}
@@ -470,12 +471,12 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 			irqstat = esdhc_read32(&regs->irqstat);
 
 			if (irqstat & IRQSTAT_DTOE) {
-				err = TIMEOUT;
+				err = -ETIMEDOUT;
 				goto out;
 			}
 
 			if (irqstat & DATA_ERR) {
-				err = COMM_ERR;
+				err = -ECOMM;
 				goto out;
 			}
 		} while ((irqstat & DATA_COMPLETE) != DATA_COMPLETE);

drivers/mmc/ftsdc010_mci.c

@@ -34,7 +34,7 @@ static inline int ftsdc010_send_cmd(struct mmc *mmc, struct mmc_cmd *mmc_cmd)
 {
 	struct ftsdc010_chip *chip = mmc->priv;
 	struct ftsdc010_mmc __iomem *regs = chip->regs;
-	int ret = TIMEOUT;
+	int ret = -ETIMEDOUT;
 	uint32_t ts, st;
 	uint32_t cmd   = FTSDC010_CMD_IDX(mmc_cmd->cmdidx);
 	uint32_t arg   = mmc_cmd->cmdarg;
@@ -126,7 +126,7 @@ static void ftsdc010_clkset(struct mmc *mmc, uint32_t rate)
 
 static int ftsdc010_wait(struct ftsdc010_mmc __iomem *regs, uint32_t mask)
 {
-	int ret = TIMEOUT;
+	int ret = -ETIMEDOUT;
 	uint32_t st, ts;
 
 	for (ts = get_timer(0); get_timer(ts) < CFG_CMD_TIMEOUT; ) {
@@ -151,7 +151,7 @@ static int ftsdc010_wait(struct ftsdc010_mmc __iomem *regs, uint32_t mask)
 static int ftsdc010_request(struct mmc *mmc, struct mmc_cmd *cmd,
 	struct mmc_data *data)
 {
-	int ret = UNUSABLE_ERR;
+	int ret = -EOPNOTSUPP;
 	uint32_t len = 0;
 	struct ftsdc010_chip *chip = mmc->priv;
 	struct ftsdc010_mmc __iomem *regs = chip->regs;
@@ -279,7 +279,7 @@ static int ftsdc010_init(struct mmc *mmc)
 	uint32_t ts;
 
 	if (readl(&regs->status) & FTSDC010_STATUS_CARD_DETECT)
-		return NO_CARD_ERR;
+		return -ENOMEDIUM;
 
 	if (readl(&regs->status) & FTSDC010_STATUS_WRITE_PROT) {
 		printf("ftsdc010: write protected\n");
@@ -297,7 +297,7 @@ static int ftsdc010_init(struct mmc *mmc)
 	}
 	if (readl(&regs->cmd) & FTSDC010_CMD_SDC_RST) {
 		printf("ftsdc010: reset failed\n");
-		return UNUSABLE_ERR;
+		return -EOPNOTSUPP;
 	}
 
 	/* 2. enter low speed mode (400k card detection) */

drivers/mmc/gen_atmel_mci.c

@@ -213,7 +213,7 @@ mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 	if (!priv->initialized) {
 		puts ("MCI not initialized!\n");
-		return COMM_ERR;
+		return -ECOMM;
 	}
 
 	/* Figure out the transfer arguments */
@@ -238,10 +238,10 @@ mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 	if ((status & error_flags) & MMCI_BIT(RTOE)) {
 		dump_cmd(cmdr, cmd->cmdarg, status, "Command Time Out");
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	} else if (status & error_flags) {
 		dump_cmd(cmdr, cmd->cmdarg, status, "Command Failed");
-		return COMM_ERR;
+		return -ECOMM;
 	}
 
 	/* Copy the response to the response buffer */
@@ -303,7 +303,7 @@ mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 			if (status) {
 				dump_cmd(cmdr, cmd->cmdarg, status,
 					"Data Transfer Failed");
-				return COMM_ERR;
+				return -ECOMM;
 			}
 		}
 
@@ -315,7 +315,7 @@ mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 			if (status & error_flags) {
 				dump_cmd(cmdr, cmd->cmdarg, status,
 					"DTIP Wait Failed");
-				return COMM_ERR;
+				return -ECOMM;
 			}
 			i++;
 		} while ((status & MMCI_BIT(DTIP)) && i < 10000);

drivers/mmc/mmc.c

@@ -152,7 +152,7 @@ int mmc_send_status(struct mmc *mmc, int timeout)
 				printf("Status Error: 0x%08X\n",
 					cmd.response[0]);
 #endif
-				return COMM_ERR;
+				return -ECOMM;
 			}
 		} else if (--retries < 0)
 			return err;
@@ -168,7 +168,7 @@ int mmc_send_status(struct mmc *mmc, int timeout)
 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
 		printf("Timeout waiting card ready\n");
 #endif
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	}
 
 	return 0;
@@ -344,7 +344,7 @@ static int sd_send_op_cond(struct mmc *mmc)
 			break;
 
 		if (timeout-- <= 0)
-			return UNUSABLE_ERR;
+			return -EOPNOTSUPP;
 
 		udelay(1000);
 	}
@@ -430,7 +430,7 @@ static int mmc_complete_op_cond(struct mmc *mmc)
 			if (mmc->ocr & OCR_BUSY)
 				break;
 			if (get_timer(start) > timeout)
-				return UNUSABLE_ERR;
+				return -EOPNOTSUPP;
 			udelay(100);
 		}
 	}
@@ -1429,7 +1429,7 @@ static int mmc_startup(struct mmc *mmc)
 				   &test_csd[EXT_CSD_SEC_CNT], 4) == 0)
 				break;
 			else
-				err = SWITCH_ERR;
+				err = -EBADMSG;
 		}
 
 		if (err)
@@ -1499,7 +1499,7 @@ static int mmc_send_if_cond(struct mmc *mmc)
 		return err;
 
 	if ((cmd.response[0] & 0xff) != 0xaa)
-		return UNUSABLE_ERR;
+		return -EOPNOTSUPP;
 	else
 		mmc->version = SD_VERSION_2;
 
@@ -1526,7 +1526,7 @@ int mmc_start_init(struct mmc *mmc)
 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
 		printf("MMC: no card present\n");
 #endif
-		return NO_CARD_ERR;
+		return -ENOMEDIUM;
 	}
 
 	if (mmc->has_init)
@@ -1565,14 +1565,14 @@ int mmc_start_init(struct mmc *mmc)
 	err = sd_send_op_cond(mmc);
 
 	/* If the command timed out, we check for an MMC card */
-	if (err == TIMEOUT) {
+	if (err == -ETIMEDOUT) {
 		err = mmc_send_op_cond(mmc);
 
 		if (err) {
 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
 			printf("Card did not respond to voltage select!\n");
 #endif
-			return UNUSABLE_ERR;
+			return -EOPNOTSUPP;
 		}
 	}
 

drivers/mmc/mmc_spi.c

@@ -5,6 +5,7 @@
  * Licensed under the GPL-2 or later.
  */
 #include <common.h>
+#include <errno.h>
 #include <malloc.h>
 #include <part.h>
 #include <mmc.h>
@@ -182,13 +183,13 @@ static int mmc_spi_request(struct mmc *mmc, struct mmc_cmd *cmd,
 	spi_cs_activate(spi);
 	r1 = mmc_spi_sendcmd(mmc, cmd->cmdidx, cmd->cmdarg);
 	if (r1 == 0xff) { /* no response */
-		ret = NO_CARD_ERR;
+		ret = -ENOMEDIUM;
 		goto done;
 	} else if (r1 & R1_SPI_COM_CRC) {
-		ret = COMM_ERR;
+		ret = -ECOMM;
 		goto done;
 	} else if (r1 & ~R1_SPI_IDLE) { /* other errors */
-		ret = TIMEOUT;
+		ret = -ETIMEDOUT;
 		goto done;
 	} else if (cmd->resp_type == MMC_RSP_R2) {
 		r1 = mmc_spi_readdata(mmc, cmd->response, 1, 16);
@@ -225,9 +226,9 @@ static int mmc_spi_request(struct mmc *mmc, struct mmc_cmd *cmd,
 				data->blocks, data->blocksize,
 				(cmd->cmdidx == MMC_CMD_WRITE_MULTIPLE_BLOCK));
 		if (r1 & R1_SPI_COM_CRC)
-			ret = COMM_ERR;
+			ret = -ECOMM;
 		else if (r1) /* other errors */
-			ret = TIMEOUT;
+			ret = -ETIMEDOUT;
 	}
 done:
 	spi_cs_deactivate(spi);

drivers/mmc/mvebu_mmc.c

@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <errno.h>
 #include <malloc.h>
 #include <part.h>
 #include <mmc.h>
@@ -172,15 +173,15 @@ static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 			    (SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT)) {
 				debug("%s: command READ timed out\n",
 				      DRIVER_NAME);
-				return TIMEOUT;
+				return -ETIMEDOUT;
 			}
 			debug("%s: command READ error\n", DRIVER_NAME);
-			return COMM_ERR;
+			return -ECOMM;
 		}
 
 		if ((get_timer(0) - start) > TIMEOUT_DELAY) {
 			debug("%s: command timed out\n", DRIVER_NAME);
-			return TIMEOUT;
+			return -ETIMEDOUT;
 		}
 	}
 
@@ -232,7 +233,7 @@ static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 
 	if (mvebu_mmc_read(SDIO_ERR_INTR_STATUS) &
 		(SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT))
-		return TIMEOUT;
+		return -ETIMEDOUT;
 
 	return 0;
 }

drivers/mmc/mxcmmc.c

@@ -211,11 +211,11 @@ static int mxcmci_finish_data(struct mxcmci_host *host, unsigned int stat)
 		} else if (stat & STATUS_CRC_WRITE_ERR) {
 			u32 err_code = (stat >> 9) & 0x3;
 			if (err_code == 2) /* No CRC response */
-				data_error = TIMEOUT;
+				data_error = -ETIMEDOUT;
 			else
 				data_error = -EILSEQ;
 		} else if (stat & STATUS_TIME_OUT_READ) {
-			data_error = TIMEOUT;
+			data_error = -ETIMEDOUT;
 		} else {
 			data_error = -EIO;
 		}
@@ -238,7 +238,7 @@ static int mxcmci_read_response(struct mxcmci_host *host, unsigned int stat)
 
 	if (stat & STATUS_TIME_OUT_RESP) {
 		printf("CMD TIMEOUT\n");
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	} else if (stat & STATUS_RESP_CRC_ERR && cmd->resp_type & MMC_RSP_CRC) {
 		printf("cmd crc error\n");
 		return -EILSEQ;

drivers/mmc/mxsmmc.c

@@ -84,7 +84,7 @@ static int mxsmmc_send_cmd_pio(struct mxsmmc_priv *priv, struct mmc_data *data)
 		}
 	}
 
-	return timeout ? 0 : COMM_ERR;
+	return timeout ? 0 : -ECOMM;
 }
 
 static int mxsmmc_send_cmd_dma(struct mxsmmc_priv *priv, struct mmc_data *data)
@@ -120,7 +120,7 @@ static int mxsmmc_send_cmd_dma(struct mxsmmc_priv *priv, struct mmc_data *data)
 	mxs_dma_desc_append(dmach, priv->desc);
 	if (mxs_dma_go(dmach)) {
 		bounce_buffer_stop(&bbstate);
-		return COMM_ERR;
+		return -ECOMM;
 	}
 
 	bounce_buffer_stop(&bbstate);
@@ -158,13 +158,13 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 	if (!timeout) {
 		printf("MMC%d: Bus busy timeout!\n", mmc->block_dev.devnum);
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	}
 
 	/* See if card is present */
 	if (!mxsmmc_cd(priv)) {
 		printf("MMC%d: No card detected!\n", mmc->block_dev.devnum);
-		return NO_CARD_ERR;
+		return -ENOMEDIUM;
 	}
 
 	/* Start building CTRL0 contents */
@@ -203,7 +203,7 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 			priv->mmc_is_wp(mmc->block_dev.devnum)) {
 			printf("MMC%d: Can not write a locked card!\n",
 				mmc->block_dev.devnum);
-			return UNUSABLE_ERR;
+			return -EOPNOTSUPP;
 		}
 
 		ctrl0 |= SSP_CTRL0_DATA_XFER;
@@ -244,21 +244,21 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 	if (!timeout) {
 		printf("MMC%d: Command %d busy\n",
 			mmc->block_dev.devnum, cmd->cmdidx);
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	}
 
 	/* Check command timeout */
 	if (reg & SSP_STATUS_RESP_TIMEOUT) {
 		printf("MMC%d: Command %d timeout (status 0x%08x)\n",
 			mmc->block_dev.devnum, cmd->cmdidx, reg);
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	}
 
 	/* Check command errors */
 	if (reg & (SSP_STATUS_RESP_CRC_ERR | SSP_STATUS_RESP_ERR)) {
 		printf("MMC%d: Command %d error (status 0x%08x)!\n",
 			mmc->block_dev.devnum, cmd->cmdidx, reg);
-		return COMM_ERR;
+		return -ECOMM;
 	}
 
 	/* Copy response to response buffer */
@@ -298,7 +298,7 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 		SSP_STATUS_FIFO_OVRFLW | SSP_STATUS_FIFO_UNDRFLW)) {
 		printf("MMC%d: Data error with command %d (status 0x%08x)!\n",
 			mmc->block_dev.devnum, cmd->cmdidx, reg);
-		return COMM_ERR;
+		return -ECOMM;
 	}
 
 	return 0;

drivers/mmc/omap_hsmmc.c

@@ -231,7 +231,7 @@ static int omap_hsmmc_init_setup(struct mmc *mmc)
 	while ((readl(&mmc_base->sysstatus) & RESETDONE) == 0) {
 		if (get_timer(0) - start > MAX_RETRY_MS) {
 			printf("%s: timedout waiting for cc2!\n", __func__);
-			return TIMEOUT;
+			return -ETIMEDOUT;
 		}
 	}
 	writel(readl(&mmc_base->sysctl) | SOFTRESETALL, &mmc_base->sysctl);
@@ -240,7 +240,7 @@ static int omap_hsmmc_init_setup(struct mmc *mmc)
 		if (get_timer(0) - start > MAX_RETRY_MS) {
 			printf("%s: timedout waiting for softresetall!\n",
 				__func__);
-			return TIMEOUT;
+			return -ETIMEDOUT;
 		}
 	}
 	writel(DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0, &mmc_base->hctl);
@@ -262,7 +262,7 @@ static int omap_hsmmc_init_setup(struct mmc *mmc)
 	while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) {
 		if (get_timer(0) - start > MAX_RETRY_MS) {
 			printf("%s: timedout waiting for ics!\n", __func__);
-			return TIMEOUT;
+			return -ETIMEDOUT;
 		}
 	}
 	writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
@@ -337,7 +337,7 @@ static int omap_hsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		if (get_timer(0) - start > MAX_RETRY_MS) {
 			printf("%s: timedout waiting on cmd inhibit to clear\n",
 					__func__);
-			return TIMEOUT;
+			return -ETIMEDOUT;
 		}
 	}
 	writel(0xFFFFFFFF, &mmc_base->stat);
@@ -346,7 +346,7 @@ static int omap_hsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		if (get_timer(0) - start > MAX_RETRY_MS) {
 			printf("%s: timedout waiting for STAT (%x) to clear\n",
 				__func__, readl(&mmc_base->stat));
-			return TIMEOUT;
+			return -ETIMEDOUT;
 		}
 	}
 	/*
@@ -410,13 +410,13 @@ static int omap_hsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		mmc_stat = readl(&mmc_base->stat);
 		if (get_timer(0) - start > MAX_RETRY_MS) {
 			printf("%s : timeout: No status update\n", __func__);
-			return TIMEOUT;
+			return -ETIMEDOUT;
 		}
 	} while (!mmc_stat);
 
 	if ((mmc_stat & IE_CTO) != 0) {
 		mmc_reset_controller_fsm(mmc_base, SYSCTL_SRC);
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	} else if ((mmc_stat & ERRI_MASK) != 0)
 		return -1;
 
@@ -464,7 +464,7 @@ static int mmc_read_data(struct hsmmc *mmc_base, char *buf, unsigned int size)
 			if (get_timer(0) - start > MAX_RETRY_MS) {
 				printf("%s: timedout waiting for status!\n",
 						__func__);
-				return TIMEOUT;
+				return -ETIMEDOUT;
 			}
 		} while (mmc_stat == 0);
 
@@ -519,7 +519,7 @@ static int mmc_write_data(struct hsmmc *mmc_base, const char *buf,
 			if (get_timer(0) - start > MAX_RETRY_MS) {
 				printf("%s: timedout waiting for status!\n",
 						__func__);
-				return TIMEOUT;
+				return -ETIMEDOUT;
 			}
 		} while (mmc_stat == 0);
 

drivers/mmc/s3c_sdi.c

@@ -133,7 +133,7 @@ s3cmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 	if (!timeout) {
 		puts("S3C SDI: Command timed out!\n");
-		ret = TIMEOUT;
+		ret = -ETIMEDOUT;
 		goto error;
 	}
 
@@ -196,7 +196,7 @@ s3cmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
 	if (!timeout) {
 		puts("S3C SDI: Command timed out!\n");
-		ret = TIMEOUT;
+		ret = -ETIMEDOUT;
 		goto error;
 	}
 

drivers/mmc/sdhci.c

@@ -170,7 +170,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 				       cmd_timeout);
 			} else {
 				puts("timeout.\n");
-				return COMM_ERR;
+				return -ECOMM;
 			}
 		}
 		time++;
@@ -260,7 +260,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 			} else {
 				printf("%s: Timeout for status update!\n",
 				       __func__);
-				return TIMEOUT;
+				return -ETIMEDOUT;
 			}
 		}
 	} while ((stat & mask) != mask);
@@ -289,9 +289,9 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 	sdhci_reset(host, SDHCI_RESET_CMD);
 	sdhci_reset(host, SDHCI_RESET_DATA);
 	if (stat & SDHCI_INT_TIMEOUT)
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	else
-		return COMM_ERR;
+		return -ECOMM;
 }
 
 static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)

drivers/mmc/sh_mmcif.c

@@ -168,7 +168,7 @@ static int sh_mmcif_error_manage(struct sh_mmcif_host *host)
 	if (state2 & STS2_CRC_ERR)
 		ret = -EILSEQ;
 	else if (state2 & STS2_TIMEOUT_ERR)
-		ret = TIMEOUT;
+		ret = -ETIMEDOUT;
 	else
 		ret = -EILSEQ;
 	return ret;
@@ -483,7 +483,7 @@ static int sh_mmcif_start_cmd(struct sh_mmcif_host *host,
 		case MMC_CMD_ALL_SEND_CID:
 		case MMC_CMD_SELECT_CARD:
 		case MMC_CMD_APP_CMD:
-			ret = TIMEOUT;
+			ret = -ETIMEDOUT;
 			break;
 		default:
 			printf(DRIVER_NAME": Cmd(d'%d) err\n", cmd->cmdidx);
@@ -520,14 +520,14 @@ static int sh_mmcif_request(struct mmc *mmc, struct mmc_cmd *cmd,
 
 	switch (cmd->cmdidx) {
 	case MMC_CMD_APP_CMD:
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	case MMC_CMD_SEND_EXT_CSD: /* = SD_SEND_IF_COND (8) */
 		if (data)
 			/* ext_csd */
 			break;
 		else
 			/* send_if_cond cmd (not support) */
-			return TIMEOUT;
+			return -ETIMEDOUT;
 	default:
 		break;
 	}

drivers/mmc/sh_sdhi.c

@@ -232,7 +232,7 @@ static int sh_sdhi_error_manage(struct sh_sdhi_host *host)
 	e_state2 = sh_sdhi_readw(host, SDHI_ERR_STS2);
 	if (e_state2 & ERR_STS2_SYS_ERROR) {
 		if (e_state2 & ERR_STS2_RES_STOP_TIMEOUT)
-			ret = TIMEOUT;
+			ret = -ETIMEDOUT;
 		else
 			ret = -EILSEQ;
 		debug("%s: ERR_STS2 = %04x\n",
@@ -246,7 +246,7 @@ static int sh_sdhi_error_manage(struct sh_sdhi_host *host)
 	if (e_state1 & ERR_STS1_CRC_ERROR || e_state1 & ERR_STS1_CMD_ERROR)
 		ret = -EILSEQ;
 	else
-		ret = TIMEOUT;
+		ret = -ETIMEDOUT;
 
 	debug("%s: ERR_STS1 = %04x\n",
 	      DRIVER_NAME, sh_sdhi_readw(host, SDHI_ERR_STS1));
@@ -566,7 +566,7 @@ static int sh_sdhi_start_cmd(struct sh_sdhi_host *host,
 		case MMC_CMD_SELECT_CARD:
 		case SD_CMD_SEND_IF_COND:
 		case MMC_CMD_APP_CMD:
-			ret = TIMEOUT;
+			ret = -ETIMEDOUT;
 			break;
 		default:
 			debug(DRIVER_NAME": Cmd(d'%d) err\n", opc);

drivers/mmc/sunxi_mmc.c

@@ -304,7 +304,7 @@ static int mmc_rint_wait(struct mmc *mmc, unsigned int timeout_msecs,
 		    (status & SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT)) {
 			debug("%s timeout %x\n", what,
 			      status & SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT);
-			return TIMEOUT;
+			return -ETIMEDOUT;
 		}
 		udelay(1000);
 	} while (!(status & done_bit));
@@ -375,7 +375,7 @@ static int sunxi_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		if (ret) {
 			error = readl(&mmchost->reg->rint) & \
 				SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT;
-			error = TIMEOUT;
+			error = -ETIMEDOUT;
 			goto out;
 		}
 	}
@@ -402,7 +402,7 @@ static int sunxi_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 			status = readl(&mmchost->reg->status);
 			if (!timeout_msecs--) {
 				debug("busy timeout\n");
-				error = TIMEOUT;
+				error = -ETIMEDOUT;
 				goto out;
 			}
 			udelay(1000);

drivers/mmc/tegra_mmc.c

@@ -9,6 +9,7 @@
 
 #include <bouncebuf.h>
 #include <common.h>
+#include <errno.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
 #ifndef CONFIG_TEGRA186
@@ -216,14 +217,14 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
 	if (i == retry) {
 		printf("%s: waiting for status update\n", __func__);
 		writel(mask, &host->reg->norintsts);
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	}
 
 	if (mask & TEGRA_MMC_NORINTSTS_CMD_TIMEOUT) {
 		/* Timeout Error */
 		debug("timeout: %08x cmd %d\n", mask, cmd->cmdidx);
 		writel(mask, &host->reg->norintsts);
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	} else if (mask & TEGRA_MMC_NORINTSTS_ERR_INTERRUPT) {
 		/* Error Interrupt */
 		debug("error: %08x cmd %d\n", mask, cmd->cmdidx);
@@ -257,7 +258,7 @@ static int mmc_send_cmd_bounced(struct mmc *mmc, struct mmc_cmd *cmd,
 			if (i == retry) {
 				printf("%s: card is still busy\n", __func__);
 				writel(mask, &host->reg->norintsts);
-				return TIMEOUT;
+				return -ETIMEDOUT;
 			}
 
 			cmd->response[0] = readl(&host->reg->rspreg0);

drivers/mmc/uniphier-sd.c

@@ -162,7 +162,7 @@ static int uniphier_sd_check_error(struct uniphier_sd_priv *priv)
 		 * display error log since this might be a part of sequence to
 		 * distinguish between SD and MMC.
 		 */
-		return TIMEOUT;
+		return -ETIMEDOUT;
 	}
 
 	if (info2 & UNIPHIER_SD_INFO2_ERR_TO) {

include/mmc.h

@@ -66,12 +66,6 @@
 #define MMC_DATA_READ		1
 #define MMC_DATA_WRITE		2
 
-#define NO_CARD_ERR		-16 /* No SD/MMC card inserted */
-#define UNUSABLE_ERR		-17 /* Unusable Card */
-#define COMM_ERR		-18 /* Communications Error */
-#define TIMEOUT			-19
-#define SWITCH_ERR		-20 /* Card reports failure to switch mode */
-
 #define MMC_CMD_GO_IDLE_STATE		0
 #define MMC_CMD_SEND_OP_COND		1
 #define MMC_CMD_ALL_SEND_CID		2