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| author | Simon Glass <sjg@chromium.org> | 2015-08-06 20:16:27 -0600 |
|---|---|---|
| committer | Pantelis Antoniou <pantelis.antoniou@konsulko.com> | 2015-08-11 21:52:43 +0300 |
| commit | 1c87ffe8d1eef2c759b97129fd48e218a039cbcd (patch) | |
| tree | c9124f3fc146c0477c78aff89f89151e75232c43 /drivers/mmc | |
| parent | 9042d974d2391b58d9a51f805756fac31f3c656f (diff) | |
| download | talos-obmc-uboot-1c87ffe8d1eef2c759b97129fd48e218a039cbcd.tar.gz talos-obmc-uboot-1c87ffe8d1eef2c759b97129fd48e218a039cbcd.zip | |
mmc: dw_mmc: Avoid using printf() for errors
The dw_mmc driver uses printf() in various places.
These bloat the code and cause problems for SPL. Use debug() where possible
and try to return a useful error code instead.
panto: Small rework to make it apply against top of tree.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/dw_mmc.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index fcd5784899..d34e4ee9dd 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -8,6 +8,7 @@ #include <bouncebuf.h> #include <common.h> +#include <errno.h> #include <malloc.h> #include <mmc.h> #include <dwmmc.h> @@ -119,7 +120,7 @@ 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("%s: Timeout on data busy\n", __func__); + debug("%s: Timeout on data busy\n", __func__); return TIMEOUT; } } @@ -178,7 +179,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, } if (i == retry) { - printf("%s: Timeout.\n", __func__); + debug("%s: Timeout.\n", __func__); return TIMEOUT; } @@ -194,8 +195,8 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, debug("%s: Response Timeout.\n", __func__); return TIMEOUT; } else if (mask & DWMCI_INTMSK_RE) { - printf("%s: Response Error.\n", __func__); - return -1; + debug("%s: Response Error.\n", __func__); + return -EIO; } @@ -217,7 +218,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, mask = dwmci_readl(host, DWMCI_RINTSTS); /* Error during data transfer. */ if (mask & (DWMCI_DATA_ERR | DWMCI_DATA_TOUT)) { - printf("%s: DATA ERROR!\n", __func__); + debug("%s: DATA ERROR!\n", __func__); ret = -EINVAL; break; } @@ -230,7 +231,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, /* Check for timeout. */ if (get_timer(start) > timeout) { - printf("%s: Timeout waiting for data!\n", + debug("%s: Timeout waiting for data!\n", __func__); ret = TIMEOUT; break; @@ -269,7 +270,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq) else if (host->bus_hz) sclk = host->bus_hz; else { - printf("%s: Didn't get source clock value.\n", __func__); + debug("%s: Didn't get source clock value.\n", __func__); return -EINVAL; } @@ -288,7 +289,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq) do { status = dwmci_readl(host, DWMCI_CMD); if (timeout-- < 0) { - printf("%s: Timeout!\n", __func__); + debug("%s: Timeout!\n", __func__); return -ETIMEDOUT; } } while (status & DWMCI_CMD_START); @@ -303,7 +304,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq) do { status = dwmci_readl(host, DWMCI_CMD); if (timeout-- < 0) { - printf("%s: Timeout!\n", __func__); + debug("%s: Timeout!\n", __func__); return -ETIMEDOUT; } } while (status & DWMCI_CMD_START); @@ -357,8 +358,8 @@ static int dwmci_init(struct mmc *mmc) dwmci_writel(host, DWMCI_PWREN, 1); if (!dwmci_wait_reset(host, DWMCI_RESET_ALL)) { - printf("%s[%d] Fail-reset!!\n", __func__, __LINE__); - return -1; + debug("%s[%d] Fail-reset!!\n", __func__, __LINE__); + return -EIO; } /* Enumerate at 400KHz */ |
