send_cmd response is valid only when no error happened. If an error occured, let mmc_send_cmd() print the return value to aid debugging.
Signed-off-by: Bin Meng bmeng.cn@gmail.com ---
drivers/mmc/mmc.c | 80 +++++++++++++++++++++++++++++-------------------------- 1 file changed, 42 insertions(+), 38 deletions(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index a7f9843..d3c22ab 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -61,46 +61,50 @@ int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) printf("CMD_SEND:%d\n", cmd->cmdidx); printf("\t\tARG\t\t\t 0x%08X\n", cmd->cmdarg); ret = mmc->cfg->ops->send_cmd(mmc, cmd, data); - switch (cmd->resp_type) { - case MMC_RSP_NONE: - printf("\t\tMMC_RSP_NONE\n"); - break; - case MMC_RSP_R1: - printf("\t\tMMC_RSP_R1,5,6,7 \t 0x%08X \n", - cmd->response[0]); - break; - case MMC_RSP_R1b: - printf("\t\tMMC_RSP_R1b\t\t 0x%08X \n", - cmd->response[0]); - break; - case MMC_RSP_R2: - printf("\t\tMMC_RSP_R2\t\t 0x%08X \n", - cmd->response[0]); - printf("\t\t \t\t 0x%08X \n", - cmd->response[1]); - printf("\t\t \t\t 0x%08X \n", - cmd->response[2]); - printf("\t\t \t\t 0x%08X \n", - cmd->response[3]); - printf("\n"); - printf("\t\t\t\t\tDUMPING DATA\n"); - for (i = 0; i < 4; i++) { - int j; - printf("\t\t\t\t\t%03d - ", i*4); - ptr = (u8 *)&cmd->response[i]; - ptr += 3; - for (j = 0; j < 4; j++) - printf("%02X ", *ptr--); + if (ret) { + printf("\t\tRET\t\t\t %d\n", ret); + } else { + switch (cmd->resp_type) { + case MMC_RSP_NONE: + printf("\t\tMMC_RSP_NONE\n"); + break; + case MMC_RSP_R1: + printf("\t\tMMC_RSP_R1,5,6,7 \t 0x%08X \n", + cmd->response[0]); + break; + case MMC_RSP_R1b: + printf("\t\tMMC_RSP_R1b\t\t 0x%08X \n", + cmd->response[0]); + break; + case MMC_RSP_R2: + printf("\t\tMMC_RSP_R2\t\t 0x%08X \n", + cmd->response[0]); + printf("\t\t \t\t 0x%08X \n", + cmd->response[1]); + printf("\t\t \t\t 0x%08X \n", + cmd->response[2]); + printf("\t\t \t\t 0x%08X \n", + cmd->response[3]); printf("\n"); + printf("\t\t\t\t\tDUMPING DATA\n"); + for (i = 0; i < 4; i++) { + int j; + printf("\t\t\t\t\t%03d - ", i*4); + ptr = (u8 *)&cmd->response[i]; + ptr += 3; + for (j = 0; j < 4; j++) + printf("%02X ", *ptr--); + printf("\n"); + } + break; + case MMC_RSP_R3: + printf("\t\tMMC_RSP_R3,4\t\t 0x%08X \n", + cmd->response[0]); + break; + default: + printf("\t\tERROR MMC rsp not supported\n"); + break; } - break; - case MMC_RSP_R3: - printf("\t\tMMC_RSP_R3,4\t\t 0x%08X \n", - cmd->response[0]); - break; - default: - printf("\t\tERROR MMC rsp not supported\n"); - break; } #else ret = mmc->cfg->ops->send_cmd(mmc, cmd, data);