[PATCH] mmc: dwmmc: return a proper error code when busy

When failing to send a command because the hardware is busy, return EBUSY to indicate the cause instead of just -1.
Signed-off-by: John Keeping john@metanate.com --- drivers/mmc/dw_mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index a949dad574..4232c5eb8c 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -301,7 +301,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, flags = dwmci_set_transfer_mode(host, data);
if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY)) - return -1; + return -EBUSY;
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) flags |= DWMCI_CMD_ABORT_STOP;

Hi John,
On 1/12/22 1:15 AM, John Keeping wrote:
When failing to send a command because the hardware is busy, return EBUSY to indicate the cause instead of just -1.
Signed-off-by: John Keeping john@metanate.com
Reviewed-by: Jaehoon Chung jh80.chung@samsung.com
Best Regards, Jaehoon Chung
drivers/mmc/dw_mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index a949dad574..4232c5eb8c 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -301,7 +301,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, flags = dwmci_set_transfer_mode(host, data);
if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY))
return -1;
return -EBUSY;
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) flags |= DWMCI_CMD_ABORT_STOP;

Hi John,
On 1/12/22 7:12 AM, Jaehoon Chung wrote:
Hi John,
On 1/12/22 1:15 AM, John Keeping wrote:
When failing to send a command because the hardware is busy, return EBUSY to indicate the cause instead of just -1.
Is this patch same?
https://patchwork.ozlabs.org/project/uboot/patch/20211207160935.404395-1-joh...
Signed-off-by: John Keeping john@metanate.com
Reviewed-by: Jaehoon Chung jh80.chung@samsung.com> Best Regards, Jaehoon Chung
drivers/mmc/dw_mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index a949dad574..4232c5eb8c 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -301,7 +301,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, flags = dwmci_set_transfer_mode(host, data);
if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY))
return -1;
return -EBUSY;
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) flags |= DWMCI_CMD_ABORT_STOP;

On Wed, Jan 12, 2022 at 08:38:01AM +0900, Jaehoon Chung wrote:
On 1/12/22 7:12 AM, Jaehoon Chung wrote:
On 1/12/22 1:15 AM, John Keeping wrote:
When failing to send a command because the hardware is busy, return EBUSY to indicate the cause instead of just -1.
Is this patch same?
https://patchwork.ozlabs.org/project/uboot/patch/20211207160935.404395-1-joh...
Yes, sorry - I still had the patch file lying around and passed the wrong filename to git send-email!
Signed-off-by: John Keeping john@metanate.com
Reviewed-by: Jaehoon Chung jh80.chung@samsung.com> Best Regards, Jaehoon Chung
drivers/mmc/dw_mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index a949dad574..4232c5eb8c 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -301,7 +301,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, flags = dwmci_set_transfer_mode(host, data);
if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY))
return -1;
return -EBUSY;
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) flags |= DWMCI_CMD_ABORT_STOP;

On 1/12/22 8:11 PM, John Keeping wrote:
On Wed, Jan 12, 2022 at 08:38:01AM +0900, Jaehoon Chung wrote:
On 1/12/22 7:12 AM, Jaehoon Chung wrote:
On 1/12/22 1:15 AM, John Keeping wrote:
When failing to send a command because the hardware is busy, return EBUSY to indicate the cause instead of just -1.
Is this patch same?
https://protect2.fireeye.com/v1/url?k=887b401c-d7e0790d-887acb53-0cc47a31cdb...
Yes, sorry - I still had the patch file lying around and passed the wrong filename to git send-email!
Applied with your previous patch.
Thanks!
Best Regards, Jaehoon Chung
Signed-off-by: John Keeping john@metanate.com
Reviewed-by: Jaehoon Chung jh80.chung@samsung.com> Best Regards, Jaehoon Chung
drivers/mmc/dw_mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index a949dad574..4232c5eb8c 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -301,7 +301,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, flags = dwmci_set_transfer_mode(host, data);
if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY))
return -1;
return -EBUSY;
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) flags |= DWMCI_CMD_ABORT_STOP;
participants (2)
-
Jaehoon Chung
-
John Keeping