diff options
Diffstat (limited to 'drivers/mmc/dw_mmc.c')
| -rw-r--r-- | drivers/mmc/dw_mmc.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 4c16e7f..785eed5 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; } } @@ -178,15 +178,23 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, } if (i == retry) { - printf("dwmci_send_cmd: timeout..\n"); + printf("%s: Timeout.\n", __func__); return TIMEOUT; } if (mask & DWMCI_INTMSK_RTO) { - printf("dwmci_send_cmd: Response Timeout..\n"); + /* + * Timeout here is not necessarily fatal. (e)MMC cards + * will splat here when they receive CMD55 as they do + * not support this command and that is exactly the way + * to tell them apart from SD cards. Thus, this output + * below shall be debug(). eMMC cards also do not favor + * CMD8, please keep that in mind. + */ + debug("%s: Response Timeout.\n", __func__); return TIMEOUT; } else if (mask & DWMCI_INTMSK_RE) { - printf("dwmci_send_cmd: Response Error..\n"); + printf("%s: Response Error.\n", __func__); return -1; } @@ -206,7 +214,7 @@ 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)) { - printf("dwmci_send_cmd: DATA ERROR!\n"); + printf("%s: DATA ERROR!\n", __func__); return -1; } } while (!(mask & DWMCI_INTMSK_DTO)); @@ -243,7 +251,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq) else if (host->bus_hz) sclk = host->bus_hz; else { - printf("dwmci_setup_bus: Didn't get source clock value..\n"); + printf("%s: Didn't get source clock value.\n", __func__); return -EINVAL; } @@ -262,7 +270,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq) do { status = dwmci_readl(host, DWMCI_CMD); if (timeout-- < 0) { - printf("dwmci_setup_bus: timeout!\n"); + printf("%s: Timeout!\n", __func__); return -ETIMEDOUT; } } while (status & DWMCI_CMD_START); @@ -277,7 +285,7 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq) do { status = dwmci_readl(host, DWMCI_CMD); if (timeout-- < 0) { - printf("dwmci_setup_bus: timeout!\n"); + printf("%s: Timeout!\n", __func__); return -ETIMEDOUT; } } while (status & DWMCI_CMD_START); |