[U-Boot] [PATCH 05/35] mmc: dw_mmc: cleanups

[Marek Vasut]

From: Pavel Machek <pavel at denx.de>

The dw_mmc driver was responding to errors with debug(). Change that
to prinf()/puts() respectively so that any errors are immediately
obvious. Also adjust english in comments.

Signed-off-by: Pavel Machek <pavel at denx.de>
Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Chin Liang See <clsee at altera.com>
Cc: Dinh Nguyen <dinguyen at altera.com>
Cc: Albert Aribaud <albert.u.boot at aribaud.net>
Cc: Tom Rini <trini at ti.com>
Cc: Wolfgang Denk <wd at denx.de>
Cc: Pavel Machek <pavel at denx.de>
Cc: Pantelis Antoniou <panto at antoniou-consulting.com>
---
 drivers/mmc/dw_mmc.c | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index 0df30bc..f4a6b88 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -119,7 +119,7 @@ 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) {
-			printf("Timeout on data busy\n");
+			printf("%s: Timeout on data busy\n", __func__);
 			return TIMEOUT;
 		}
 	}
@@ -177,14 +177,16 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		}
 	}
 
-	if (i == retry)
+	if (i == retry) {
+		printf("%s: Timeout.\n", __func__);
 		return TIMEOUT;
+	}
 
 	if (mask & DWMCI_INTMSK_RTO) {
-		debug("Response Timeout..\n");
+		printf("%s: Response Timeout.\n", __func__);
 		return TIMEOUT;
 	} else if (mask & DWMCI_INTMSK_RE) {
-		debug("Response Error..\n");
+		printf("%s: Response Error.\n", __func__);
 		return -1;
 	}
 
@@ -204,7 +206,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		do {
 			mask = dwmci_readl(host, DWMCI_RINTSTS);
 			if (mask & (DWMCI_DATA_ERR | DWMCI_DATA_TOUT)) {
-				debug("DATA ERROR!\n");
+				printf("%s: DATA ERROR!\n", __func__);
 				return -1;
 			}
 		} while (!(mask & DWMCI_INTMSK_DTO));
@@ -232,16 +234,16 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq)
 	if ((freq == host->clock) || (freq == 0))
 		return 0;
 	/*
-	 * If host->get_mmc_clk didn't define,
+	 * If host->get_mmc_clk isn't defined,
 	 * then assume that host->bus_hz is source clock value.
-	 * host->bus_hz should be set from user.
+	 * host->bus_hz should be set by user.
 	 */
 	if (host->get_mmc_clk)
 		sclk = host->get_mmc_clk(host);
 	else if (host->bus_hz)
 		sclk = host->bus_hz;
 	else {
-		printf("Didn't get source clock value..\n");
+		printf("%s: Didn't get source clock value.\n", __func__);
 		return -EINVAL;
 	}
 
@@ -260,7 +262,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq)
 	do {
 		status = dwmci_readl(host, DWMCI_CMD);
 		if (timeout-- < 0) {
-			printf("TIMEOUT error!!\n");
+			printf("%s: Timeout!\n", __func__);
 			return -ETIMEDOUT;
 		}
 	} while (status & DWMCI_CMD_START);
@@ -275,7 +277,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq)
 	do {
 		status = dwmci_readl(host, DWMCI_CMD);
 		if (timeout-- < 0) {
-			printf("TIMEOUT error!!\n");
+			printf("%s: Timeout!\n", __func__);
 			return -ETIMEDOUT;
 		}
 	} while (status & DWMCI_CMD_START);
@@ -290,7 +292,7 @@ static void dwmci_set_ios(struct mmc *mmc)
 	struct dwmci_host *host = (struct dwmci_host *)mmc->priv;
 	u32 ctype, regs;
 
-	debug("Buswidth = %d, clock: %d\n",mmc->bus_width, mmc->clock);
+	debug("Buswidth = %d, clock: %d\n", mmc->bus_width, mmc->clock);
 
 	dwmci_setup_bus(host, mmc->clock);
 	switch (mmc->bus_width) {
@@ -329,7 +331,7 @@ static int dwmci_init(struct mmc *mmc)
 	dwmci_writel(host, DWMCI_PWREN, 1);
 
 	if (!dwmci_wait_reset(host, DWMCI_RESET_ALL)) {
-		debug("%s[%d] Fail-reset!!\n",__func__,__LINE__);
+		printf("%s[%d] Fail-reset!!\n", __func__, __LINE__);
 		return -1;
 	}
 
-- 
2.1.0