From b966db0d7259293e2c9c216c7a5dce30dacacfd9 Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Fri, 5 Sep 2014 12:49:48 +0200 Subject: [PATCH] dw_mmc: cleanups dw_mmc driver was responding to errors with debug(). Change that to prinf so that any errors are immediately obvious. Also adjust english in comments. Signed-off-by: Pavel Machek Acked-by: Pantelis Antoniou --- drivers/mmc/dw_mmc.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 0df30bc045..4c16e7f602 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -177,14 +177,16 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, } } - if (i == retry) + if (i == retry) { + printf("dwmci_send_cmd: timeout..\n"); return TIMEOUT; + } if (mask & DWMCI_INTMSK_RTO) { - debug("Response Timeout..\n"); + printf("dwmci_send_cmd: Response Timeout..\n"); return TIMEOUT; } else if (mask & DWMCI_INTMSK_RE) { - debug("Response Error..\n"); + printf("dwmci_send_cmd: Response Error..\n"); 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("dwmci_send_cmd: DATA ERROR!\n"); 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("dwmci_setup_bus: Didn't get source clock value..\n"); 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("dwmci_setup_bus: timeout!\n"); 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("dwmci_setup_bus: timeout!\n"); 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; } -- 2.30.2