mmc: remove custom error codes

Convert the MMC layer to use standard error codes and not its own,
incompatible values.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

9 files changed, 100 insertions, 106 deletions

diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 955ea60..810a433 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -577,24 +577,22 @@ static void at91_mci_completed_command(struct at91mci_host *host)
 			AT91_MCI_RENDE | AT91_MCI_RTOE | AT91_MCI_DCRCE |
 			AT91_MCI_DTOE | AT91_MCI_OVRE | AT91_MCI_UNRE)) {
 		if ((status & AT91_MCI_RCRCE) && !(mmc_resp_type(cmd) & MMC_RSP_CRC)) {
-			cmd->error = MMC_ERR_NONE;
+			cmd->error = 0;
 		}
 		else {
 			if (status & (AT91_MCI_RTOE | AT91_MCI_DTOE))
-				cmd->error = MMC_ERR_TIMEOUT;
+				cmd->error = -ETIMEDOUT;
 			else if (status & (AT91_MCI_RCRCE | AT91_MCI_DCRCE))
-				cmd->error = MMC_ERR_BADCRC;
-			else if (status & (AT91_MCI_OVRE | AT91_MCI_UNRE))
-				cmd->error = MMC_ERR_FIFO;
+				cmd->error = -EILSEQ;
 			else
-				cmd->error = MMC_ERR_FAILED;
+				cmd->error = -EIO;
 
 			pr_debug("Error detected and set to %d (cmd = %d, retries = %d)\n",
 				 cmd->error, cmd->opcode, cmd->retries);
 		}
 	}
 	else
-		cmd->error = MMC_ERR_NONE;
+		cmd->error = 0;
 
 	at91_mci_process_next(host);
 }
diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c
index 34c99d4..49b0367 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -208,7 +208,7 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait,
 	default:
 		printk(KERN_INFO "au1xmmc: unhandled response type %02x\n",
 			mmc_resp_type(cmd));
-		return MMC_ERR_INVALID;
+		return -EINVAL;
 	}
 
 	if (flags & MMC_DATA_READ) {
@@ -253,7 +253,7 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait,
 		IRQ_ON(host, SD_CONFIG_CR);
 	}
 
-	return MMC_ERR_NONE;
+	return 0;
 }
 
 static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status)
@@ -278,7 +278,7 @@ static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status)
 	while((host->flags & HOST_F_XMIT) && (status & SD_STATUS_DB))
 		status = au_readl(HOST_STATUS(host));
 
-	data->error = MMC_ERR_NONE;
+	data->error = 0;
 	dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, host->dma.dir);
 
         /* Process any errors */
@@ -288,14 +288,14 @@ static void au1xmmc_data_complete(struct au1xmmc_host *host, u32 status)
 		crc |= ((status & 0x07) == 0x02) ? 0 : 1;
 
 	if (crc)
-		data->error = MMC_ERR_BADCRC;
+		data->error = -EILSEQ;
 
 	/* Clear the CRC bits */
 	au_writel(SD_STATUS_WC | SD_STATUS_RC, HOST_STATUS(host));
 
 	data->bytes_xfered = 0;
 
-	if (data->error == MMC_ERR_NONE) {
+	if (!data->error) {
 		if (host->flags & HOST_F_DMA) {
 			u32 chan = DMA_CHANNEL(host);
 
@@ -475,7 +475,7 @@ static void au1xmmc_cmd_complete(struct au1xmmc_host *host, u32 status)
 		return;
 
 	cmd = mrq->cmd;
-	cmd->error = MMC_ERR_NONE;
+	cmd->error = 0;
 
 	if (cmd->flags & MMC_RSP_PRESENT) {
 		if (cmd->flags & MMC_RSP_136) {
@@ -512,11 +512,11 @@ static void au1xmmc_cmd_complete(struct au1xmmc_host *host, u32 status)
         /* Figure out errors */
 
 	if (status & (SD_STATUS_SC | SD_STATUS_WC | SD_STATUS_RC))
-		cmd->error = MMC_ERR_BADCRC;
+		cmd->error = -EILSEQ;
 
 	trans = host->flags & (HOST_F_XMIT | HOST_F_RECV);
 
-	if (!trans || cmd->error != MMC_ERR_NONE) {
+	if (!trans || cmd->error) {
 
 		IRQ_OFF(host, SD_CONFIG_TH | SD_CONFIG_RA|SD_CONFIG_RF);
 		tasklet_schedule(&host->finish_task);
@@ -589,7 +589,7 @@ au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data)
 				   data->sg_len, host->dma.dir);
 
 	if (host->dma.len == 0)
-		return MMC_ERR_TIMEOUT;
+		return -ETIMEDOUT;
 
 	au_writel(data->blksz - 1, HOST_BLKSIZE(host));
 
@@ -640,11 +640,11 @@ au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data)
 			//IRQ_ON(host, SD_CONFIG_RA|SD_CONFIG_RF);
 	}
 
-	return MMC_ERR_NONE;
+	return 0;
 
  dataerr:
 	dma_unmap_sg(mmc_dev(host->mmc),data->sg,data->sg_len,host->dma.dir);
-	return MMC_ERR_TIMEOUT;
+	return -ETIMEDOUT;
 }
 
 /* static void au1xmmc_request
@@ -656,7 +656,7 @@ static void au1xmmc_request(struct mmc_host* mmc, struct mmc_request* mrq)
 
 	struct au1xmmc_host *host = mmc_priv(mmc);
 	unsigned int flags = 0;
-	int ret = MMC_ERR_NONE;
+	int ret = 0;
 
 	WARN_ON(irqs_disabled());
 	WARN_ON(host->status != HOST_S_IDLE);
@@ -672,10 +672,10 @@ static void au1xmmc_request(struct mmc_host* mmc, struct mmc_request* mrq)
 		ret = au1xmmc_prepare_data(host, mrq->data);
 	}
 
-	if (ret == MMC_ERR_NONE)
+	if (!ret)
 		ret = au1xmmc_send_command(host, 0, mrq->cmd, flags);
 
-	if (ret != MMC_ERR_NONE) {
+	if (ret) {
 		mrq->cmd->error = ret;
 		au1xmmc_finish_request(host);
 	}
@@ -764,10 +764,10 @@ static irqreturn_t au1xmmc_irq(int irq, void *dev_id)
 
 		if (host->mrq && (status & STATUS_TIMEOUT)) {
 			if (status & SD_STATUS_RAT)
-				host->mrq->cmd->error = MMC_ERR_TIMEOUT;
+				host->mrq->cmd->error = -ETIMEDOUT;
 
 			else if (status & SD_STATUS_DT)
-				host->mrq->data->error = MMC_ERR_TIMEOUT;
+				host->mrq->data->error = -ETIMEDOUT;
 
 			/* In PIO mode, interrupts might still be enabled */
 			IRQ_OFF(host, SD_CONFIG_NE | SD_CONFIG_TH);
diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c
index 54bfc9f..04458c3 100644
--- a/drivers/mmc/host/imxmmc.c
+++ b/drivers/mmc/host/imxmmc.c
@@ -428,11 +428,11 @@ static int imxmci_finish_data(struct imxmci_host *host, unsigned int stat)
 	if ( stat & STATUS_ERR_MASK ) {
 		dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n",stat);
 		if(stat & (STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR))
-			data->error = MMC_ERR_BADCRC;
+			data->error = -EILSEQ;
 		else if(stat & STATUS_TIME_OUT_READ)
-			data->error = MMC_ERR_TIMEOUT;
+			data->error = -ETIMEDOUT;
 		else
-			data->error = MMC_ERR_FAILED;
+			data->error = -EIO;
 	} else {
 		data->bytes_xfered = host->dma_size;
 	}
@@ -458,10 +458,10 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat)
 
 	if (stat & STATUS_TIME_OUT_RESP) {
 		dev_dbg(mmc_dev(host->mmc), "CMD TIMEOUT\n");
-		cmd->error = MMC_ERR_TIMEOUT;
+		cmd->error = -ETIMEDOUT;
 	} else if (stat & STATUS_RESP_CRC_ERR && cmd->flags & MMC_RSP_CRC) {
 		dev_dbg(mmc_dev(host->mmc), "cmd crc error\n");
-		cmd->error = MMC_ERR_BADCRC;
+		cmd->error = -EILSEQ;
 	}
 
 	if(cmd->flags & MMC_RSP_PRESENT) {
@@ -482,7 +482,7 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat)
 	dev_dbg(mmc_dev(host->mmc), "RESP 0x%08x, 0x%08x, 0x%08x, 0x%08x, error %d\n",
 		cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3], cmd->error);
 
-	if (data && (cmd->error == MMC_ERR_NONE) && !(stat & STATUS_ERR_MASK)) {
+	if (data && !cmd->error && !(stat & STATUS_ERR_MASK)) {
 		if (host->req->data->flags & MMC_DATA_WRITE) {
 
 			/* Wait for FIFO to be empty before starting DMA write */
@@ -491,7 +491,7 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat)
 			if(imxmci_busy_wait_for_status(host, &stat,
 				STATUS_APPL_BUFF_FE,
 				40, "imxmci_cmd_done DMA WR") < 0) {
-				cmd->error = MMC_ERR_FIFO;
+				cmd->error = -EIO;
 				imxmci_finish_data(host, stat);
 				if(host->req)
 					imxmci_finish_request(host, host->req);
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index be730c0..d53e9a8 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -154,11 +154,11 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
 	}
 	if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
 		if (status & MCI_DATACRCFAIL)
-			data->error = MMC_ERR_BADCRC;
+			data->error = -EILSEQ;
 		else if (status & MCI_DATATIMEOUT)
-			data->error = MMC_ERR_TIMEOUT;
+			data->error = -ETIMEDOUT;
 		else if (status & (MCI_TXUNDERRUN|MCI_RXOVERRUN))
-			data->error = MMC_ERR_FIFO;
+			data->error = -EIO;
 		status |= MCI_DATAEND;
 
 		/*
@@ -193,12 +193,12 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd,
 	cmd->resp[3] = readl(base + MMCIRESPONSE3);
 
 	if (status & MCI_CMDTIMEOUT) {
-		cmd->error = MMC_ERR_TIMEOUT;
+		cmd->error = -ETIMEDOUT;
 	} else if (status & MCI_CMDCRCFAIL && cmd->flags & MMC_RSP_CRC) {
-		cmd->error = MMC_ERR_BADCRC;
+		cmd->error = -EILSEQ;
 	}
 
-	if (!cmd->data || cmd->error != MMC_ERR_NONE) {
+	if (!cmd->data || cmd->error) {
 		if (host->data)
 			mmci_stop_data(host);
 		mmci_request_end(host, cmd->mrq);
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 0cf97ed..60a67df 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -263,7 +263,7 @@ mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data)
 		enum dma_data_direction dma_data_dir;
 
 		BUG_ON(host->dma_ch < 0);
-		if (data->error != MMC_ERR_NONE)
+		if (data->error)
 			omap_stop_dma(host->dma_ch);
 		/* Release DMA channel lazily */
 		mod_timer(&host->dma_timer, jiffies + HZ);
@@ -368,7 +368,7 @@ mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd)
 		}
 	}
 
-	if (host->data == NULL || cmd->error != MMC_ERR_NONE) {
+	if (host->data == NULL || cmd->error) {
 		host->mrq = NULL;
 		clk_disable(host->fclk);
 		mmc_request_done(host->mmc, cmd->mrq);
@@ -475,14 +475,14 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
 		if (status & OMAP_MMC_STAT_DATA_TOUT) {
 			dev_dbg(mmc_dev(host->mmc), "data timeout\n");
 			if (host->data) {
-				host->data->error |= MMC_ERR_TIMEOUT;
+				host->data->error = -ETIMEDOUT;
 				transfer_error = 1;
 			}
 		}
 
 		if (status & OMAP_MMC_STAT_DATA_CRC) {
 			if (host->data) {
-				host->data->error |= MMC_ERR_BADCRC;
+				host->data->error = -EILSEQ;
 				dev_dbg(mmc_dev(host->mmc),
 					 "data CRC error, bytes left %d\n",
 					host->total_bytes_left);
@@ -504,7 +504,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
 					dev_err(mmc_dev(host->mmc),
 						"command timeout, CMD %d\n",
 						host->cmd->opcode);
-				host->cmd->error = MMC_ERR_TIMEOUT;
+				host->cmd->error = -ETIMEDOUT;
 				end_command = 1;
 			}
 		}
@@ -514,7 +514,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
 				dev_err(mmc_dev(host->mmc),
 					"command CRC error (CMD%d, arg 0x%08x)\n",
 					host->cmd->opcode, host->cmd->arg);
-				host->cmd->error = MMC_ERR_BADCRC;
+				host->cmd->error = -EILSEQ;
 				end_command = 1;
 			} else
 				dev_err(mmc_dev(host->mmc),
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index ff96033..b89e32d 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -226,7 +226,7 @@ static int pxamci_cmd_done(struct pxamci_host *host, unsigned int stat)
 	}
 
 	if (stat & STAT_TIME_OUT_RESPONSE) {
-		cmd->error = MMC_ERR_TIMEOUT;
+		cmd->error = -ETIMEDOUT;
 	} else if (stat & STAT_RES_CRC_ERR && cmd->flags & MMC_RSP_CRC) {
 #ifdef CONFIG_PXA27x
 		/*
@@ -239,11 +239,11 @@ static int pxamci_cmd_done(struct pxamci_host *host, unsigned int stat)
 			pr_debug("ignoring CRC from command %d - *risky*\n", cmd->opcode);
 		} else
 #endif
-		cmd->error = MMC_ERR_BADCRC;
+		cmd->error = -EILSEQ;
 	}
 
 	pxamci_disable_irq(host, END_CMD_RES);
-	if (host->data && cmd->error == MMC_ERR_NONE) {
+	if (host->data && !cmd->error) {
 		pxamci_enable_irq(host, DATA_TRAN_DONE);
 	} else {
 		pxamci_finish_request(host, host->mrq);
@@ -264,9 +264,9 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat)
 		     host->dma_dir);
 
 	if (stat & STAT_READ_TIME_OUT)
-		data->error = MMC_ERR_TIMEOUT;
+		data->error = -ETIMEDOUT;
 	else if (stat & (STAT_CRC_READ_ERROR|STAT_CRC_WRITE_ERROR))
-		data->error = MMC_ERR_BADCRC;
+		data->error = -EILSEQ;
 
 	/*
 	 * There appears to be a hardware design bug here.  There seems to
@@ -274,7 +274,7 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat)
 	 * This means that if there was an error on any block, we mark all
 	 * data blocks as being in error.
 	 */
-	if (data->error == MMC_ERR_NONE)
+	if (!data->error)
 		data->bytes_xfered = data->blocks * data->blksz;
 	else
 		data->bytes_xfered = 0;
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 20a7d89..479d6a2 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -481,16 +481,16 @@ static void sdhci_finish_data(struct sdhci_host *host)
 	 * Controller doesn't count down when in single block mode.
 	 */
 	if (data->blocks == 1)
-		blocks = (data->error == MMC_ERR_NONE) ? 0 : 1;
+		blocks = (data->error == 0) ? 0 : 1;
 	else
 		blocks = readw(host->ioaddr + SDHCI_BLOCK_COUNT);
 	data->bytes_xfered = data->blksz * (data->blocks - blocks);
 
-	if ((data->error == MMC_ERR_NONE) && blocks) {
+	if (!data->error && blocks) {
 		printk(KERN_ERR "%s: Controller signalled completion even "
 			"though there were blocks left.\n",
 			mmc_hostname(host->mmc));
-		data->error = MMC_ERR_FAILED;
+		data->error = -EIO;
 	}
 
 	if (data->stop) {
@@ -498,7 +498,7 @@ static void sdhci_finish_data(struct sdhci_host *host)
 		 * The controller needs a reset of internal state machines
 		 * upon error conditions.
 		 */
-		if (data->error != MMC_ERR_NONE) {
+		if (data->error) {
 			sdhci_reset(host, SDHCI_RESET_CMD);
 			sdhci_reset(host, SDHCI_RESET_DATA);
 		}
@@ -533,7 +533,7 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 			printk(KERN_ERR "%s: Controller never released "
 				"inhibit bit(s).\n", mmc_hostname(host->mmc));
 			sdhci_dumpregs(host);
-			cmd->error = MMC_ERR_FAILED;
+			cmd->error = -EIO;
 			tasklet_schedule(&host->finish_tasklet);
 			return;
 		}
@@ -554,7 +554,7 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 	if ((cmd->flags & MMC_RSP_136) && (cmd->flags & MMC_RSP_BUSY)) {
 		printk(KERN_ERR "%s: Unsupported response type!\n",
 			mmc_hostname(host->mmc));
-		cmd->error = MMC_ERR_INVALID;
+		cmd->error = -EINVAL;
 		tasklet_schedule(&host->finish_tasklet);
 		return;
 	}
@@ -601,7 +601,7 @@ static void sdhci_finish_command(struct sdhci_host *host)
 		}
 	}
 
-	host->cmd->error = MMC_ERR_NONE;
+	host->cmd->error = 0;
 
 	if (host->data && host->data_early)
 		sdhci_finish_data(host);
@@ -722,7 +722,7 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	host->mrq = mrq;
 
 	if (!(readl(host->ioaddr + SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT)) {
-		host->mrq->cmd->error = MMC_ERR_TIMEOUT;
+		host->mrq->cmd->error = -ENOMEDIUM;
 		tasklet_schedule(&host->finish_tasklet);
 	} else
 		sdhci_send_command(host, mrq->cmd);
@@ -831,7 +831,7 @@ static void sdhci_tasklet_card(unsigned long param)
 			sdhci_reset(host, SDHCI_RESET_CMD);
 			sdhci_reset(host, SDHCI_RESET_DATA);
 
-			host->mrq->cmd->error = MMC_ERR_FAILED;
+			host->mrq->cmd->error = -ENOMEDIUM;
 			tasklet_schedule(&host->finish_tasklet);
 		}
 	}
@@ -859,9 +859,9 @@ static void sdhci_tasklet_finish(unsigned long param)
 	 * The controller needs a reset of internal state machines
 	 * upon error conditions.
 	 */
-	if ((mrq->cmd->error != MMC_ERR_NONE) ||
-		(mrq->data && ((mrq->data->error != MMC_ERR_NONE) ||
-		(mrq->data->stop && (mrq->data->stop->error != MMC_ERR_NONE))))) {
+	if (mrq->cmd->error ||
+		(mrq->data && (mrq->data->error ||
+		(mrq->data->stop && mrq->data->stop->error)))) {
 
 		/* Some controllers need this kick or reset won't work here */
 		if (host->chip->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) {
@@ -906,13 +906,13 @@ static void sdhci_timeout_timer(unsigned long data)
 		sdhci_dumpregs(host);
 
 		if (host->data) {
-			host->data->error = MMC_ERR_TIMEOUT;
+			host->data->error = -ETIMEDOUT;
 			sdhci_finish_data(host);
 		} else {
 			if (host->cmd)
-				host->cmd->error = MMC_ERR_TIMEOUT;
+				host->cmd->error = -ETIMEDOUT;
 			else
-				host->mrq->cmd->error = MMC_ERR_TIMEOUT;
+				host->mrq->cmd->error = -ETIMEDOUT;
 
 			tasklet_schedule(&host->finish_tasklet);
 		}
@@ -941,13 +941,12 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
 	}
 
 	if (intmask & SDHCI_INT_TIMEOUT)
-		host->cmd->error = MMC_ERR_TIMEOUT;
-	else if (intmask & SDHCI_INT_CRC)
-		host->cmd->error = MMC_ERR_BADCRC;
-	else if (intmask & (SDHCI_INT_END_BIT | SDHCI_INT_INDEX))
-		host->cmd->error = MMC_ERR_FAILED;
+		host->cmd->error = -ETIMEDOUT;
+	else if (intmask & (SDHCI_INT_CRC | SDHCI_INT_END_BIT |
+			SDHCI_INT_INDEX))
+		host->cmd->error = -EILSEQ;
 
-	if (host->cmd->error != MMC_ERR_NONE)
+	if (host->cmd->error)
 		tasklet_schedule(&host->finish_tasklet);
 	else if (intmask & SDHCI_INT_RESPONSE)
 		sdhci_finish_command(host);
@@ -974,13 +973,11 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 	}
 
 	if (intmask & SDHCI_INT_DATA_TIMEOUT)
-		host->data->error = MMC_ERR_TIMEOUT;
-	else if (intmask & SDHCI_INT_DATA_CRC)
-		host->data->error = MMC_ERR_BADCRC;
-	else if (intmask & SDHCI_INT_DATA_END_BIT)
-		host->data->error = MMC_ERR_FAILED;
+		host->data->error = -ETIMEDOUT;
+	else if (intmask & (SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_END_BIT))
+		host->data->error = -EILSEQ;
 
-	if (host->data->error != MMC_ERR_NONE)
+	if (host->data->error)
 		sdhci_finish_data(host);
 	else {
 		if (intmask & (SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL))
diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c
index 8b736e9..b4a56e5 100644
--- a/drivers/mmc/host/tifm_sd.c
+++ b/drivers/mmc/host/tifm_sd.c
@@ -404,14 +404,14 @@ static void tifm_sd_check_status(struct tifm_sd *host)
 	struct tifm_dev *sock = host->dev;
 	struct mmc_command *cmd = host->req->cmd;
 
-	if (cmd->error != MMC_ERR_NONE)
+	if (cmd->error)
 		goto finish_request;
 
 	if (!(host->cmd_flags & CMD_READY))
 		return;
 
 	if (cmd->data) {
-		if (cmd->data->error != MMC_ERR_NONE) {
+		if (cmd->data->error) {
 			if ((host->cmd_flags & SCMD_ACTIVE)
 			    && !(host->cmd_flags & SCMD_READY))
 				return;
@@ -504,7 +504,7 @@ static void tifm_sd_card_event(struct tifm_dev *sock)
 {
 	struct tifm_sd *host;
 	unsigned int host_status = 0;
-	int cmd_error = MMC_ERR_NONE;
+	int cmd_error = 0;
 	struct mmc_command *cmd = NULL;
 	unsigned long flags;
 
@@ -521,15 +521,15 @@ static void tifm_sd_card_event(struct tifm_dev *sock)
 			writel(host_status & TIFM_MMCSD_ERRMASK,
 			       sock->addr + SOCK_MMCSD_STATUS);
 			if (host_status & TIFM_MMCSD_CTO)
-				cmd_error = MMC_ERR_TIMEOUT;
+				cmd_error = -ETIMEDOUT;
 			else if (host_status & TIFM_MMCSD_CCRC)
-				cmd_error = MMC_ERR_BADCRC;
+				cmd_error = -EILSEQ;
 
 			if (cmd->data) {
 				if (host_status & TIFM_MMCSD_DTO)
-					cmd->data->error = MMC_ERR_TIMEOUT;
+					cmd->data->error = -ETIMEDOUT;
 				else if (host_status & TIFM_MMCSD_DCRC)
-					cmd->data->error = MMC_ERR_BADCRC;
+					cmd->data->error = -EILSEQ;
 			}
 
 			writel(TIFM_FIFO_INT_SETALL,
@@ -722,7 +722,7 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	return;
 
 err_out:
-	mrq->cmd->error = MMC_ERR_TIMEOUT;
+	mrq->cmd->error = -ETIMEDOUT;
 	mmc_request_done(mmc, mrq);
 }
 
@@ -1012,9 +1012,9 @@ static void tifm_sd_remove(struct tifm_dev *sock)
 		writel(TIFM_FIFO_INT_SETALL,
 		       sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
 		writel(0, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET);
-		host->req->cmd->error = MMC_ERR_TIMEOUT;
+		host->req->cmd->error = -ENOMEDIUM;
 		if (host->req->stop)
-			host->req->stop->error = MMC_ERR_TIMEOUT;
+			host->req->stop->error = -ENOMEDIUM;
 		tasklet_schedule(&host->finish_tasklet);
 	}
 	spin_unlock_irqrestore(&sock->lock, flags);
diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
index 9bf2a87..44968c2 100644
--- a/drivers/mmc/host/wbsd.c
+++ b/drivers/mmc/host/wbsd.c
@@ -317,7 +317,7 @@ static inline void wbsd_get_short_reply(struct wbsd_host *host,
 	 * Correct response type?
 	 */
 	if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_SHORT) {
-		cmd->error = MMC_ERR_INVALID;
+		cmd->error = -EILSEQ;
 		return;
 	}
 
@@ -337,7 +337,7 @@ static inline void wbsd_get_long_reply(struct wbsd_host *host,
 	 * Correct response type?
 	 */
 	if (wbsd_read_index(host, WBSD_IDX_RSPLEN) != WBSD_RSP_LONG) {
-		cmd->error = MMC_ERR_INVALID;
+		cmd->error = -EILSEQ;
 		return;
 	}
 
@@ -372,7 +372,7 @@ static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd)
 	for (i = 3; i >= 0; i--)
 		outb((cmd->arg >> (i * 8)) & 0xff, host->base + WBSD_CMDR);
 
-	cmd->error = MMC_ERR_NONE;
+	cmd->error = 0;
 
 	/*
 	 * Wait for the request to complete.
@@ -392,13 +392,13 @@ static void wbsd_send_command(struct wbsd_host *host, struct mmc_command *cmd)
 
 		/* Card removed? */
 		if (isr & WBSD_INT_CARD)
-			cmd->error = MMC_ERR_TIMEOUT;
+			cmd->error = -ENOMEDIUM;
 		/* Timeout? */
 		else if (isr & WBSD_INT_TIMEOUT)
-			cmd->error = MMC_ERR_TIMEOUT;
+			cmd->error = -ETIMEDOUT;
 		/* CRC? */
 		else if ((cmd->flags & MMC_RSP_CRC) && (isr & WBSD_INT_CRC))
-			cmd->error = MMC_ERR_BADCRC;
+			cmd->error = -EILSEQ;
 		/* All ok */
 		else {
 			if (cmd->flags & MMC_RSP_136)
@@ -585,7 +585,7 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
 			((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH);
 		wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF);
 	} else {
-		data->error = MMC_ERR_INVALID;
+		data->error = -EINVAL;
 		return;
 	}
 
@@ -607,7 +607,7 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
 		 */
 		BUG_ON(size > 0x10000);
 		if (size > 0x10000) {
-			data->error = MMC_ERR_INVALID;
+			data->error = -EINVAL;
 			return;
 		}
 
@@ -669,7 +669,7 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data)
 		}
 	}
 
-	data->error = MMC_ERR_NONE;
+	data->error = 0;
 }
 
 static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)
@@ -724,8 +724,8 @@ static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)
 				"%d bytes left.\n",
 				mmc_hostname(host->mmc), count);
 
-			if (data->error == MMC_ERR_NONE)
-				data->error = MMC_ERR_FAILED;
+			if (!data->error)
+				data->error = -EIO;
 		} else {
 			/*
 			 * Transfer data from DMA buffer to
@@ -735,7 +735,7 @@ static void wbsd_finish_data(struct wbsd_host *host, struct mmc_data *data)
 				wbsd_dma_to_sg(host, data);
 		}
 
-		if (data->error != MMC_ERR_NONE) {
+		if (data->error) {
 			if (data->bytes_xfered)
 				data->bytes_xfered -= data->blksz;
 		}
@@ -767,11 +767,10 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	host->mrq = mrq;
 
 	/*
-	 * If there is no card in the slot then
-	 * timeout immediatly.
+	 * Check that there is actually a card in the slot.
 	 */
 	if (!(host->flags & WBSD_FCARD_PRESENT)) {
-		cmd->error = MMC_ERR_TIMEOUT;
+		cmd->error = -ENOMEDIUM;
 		goto done;
 	}
 
@@ -807,7 +806,7 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
 				"supported by this controller.\n",
 				mmc_hostname(host->mmc), cmd->opcode);
 #endif
-			cmd->error = MMC_ERR_INVALID;
+			cmd->error = -EINVAL;
 
 			goto done;
 		};
@@ -819,7 +818,7 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	if (cmd->data) {
 		wbsd_prepare_data(host, cmd->data);
 
-		if (cmd->data->error != MMC_ERR_NONE)
+		if (cmd->data->error)
 			goto done;
 	}
 
@@ -830,7 +829,7 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	 * will be finished after the data has
 	 * transfered.
 	 */
-	if (cmd->data && (cmd->error == MMC_ERR_NONE)) {
+	if (cmd->data && !cmd->error) {
 		/*
 		 * Dirty fix for hardware bug.
 		 */
@@ -1033,7 +1032,7 @@ static void wbsd_tasklet_card(unsigned long param)
 				mmc_hostname(host->mmc));
 			wbsd_reset(host);
 
-			host->mrq->cmd->error = MMC_ERR_FAILED;
+			host->mrq->cmd->error = -ENOMEDIUM;
 			tasklet_schedule(&host->finish_tasklet);
 		}
 
@@ -1097,7 +1096,7 @@ static void wbsd_tasklet_crc(unsigned long param)
 
 	DBGF("CRC error\n");
 
-	data->error = MMC_ERR_BADCRC;
+	data->error = -EILSEQ;
 
 	tasklet_schedule(&host->finish_tasklet);
 
@@ -1121,7 +1120,7 @@ static void wbsd_tasklet_timeout(unsigned long param)
 
 	DBGF("Timeout\n");
 
-	data->error = MMC_ERR_TIMEOUT;
+	data->error = -ETIMEDOUT;
 
 	tasklet_schedule(&host->finish_tasklet);