| Message ID | 20210113171532.19248-7-elder@linaro.org (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | net: ipa: GSI interrupt updates | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/subject_prefix | success | Link |
| netdev/cc_maintainers | warning | 1 maintainers not CCed: elder@kernel.org |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 23 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 2 this patch: 2 |
| netdev/header_inline | success | Link |
| netdev/stable | success | Stable not CCed |
diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c index 5c163f9c0ea7b..5b29f7d9d6ac1 100644 --- a/drivers/net/ipa/gsi.c +++ b/drivers/net/ipa/gsi.c @@ -91,7 +91,7 @@ #define GSI_CMD_TIMEOUT 50 /* milliseconds */ -#define GSI_CHANNEL_STOP_RX_RETRIES 10 +#define GSI_CHANNEL_STOP_RETRIES 10 #define GSI_CHANNEL_MODEM_HALT_RETRIES 10 #define GSI_MHI_EVENT_ID_START 10 /* 1st reserved event id */ @@ -889,14 +889,11 @@ int gsi_channel_start(struct gsi *gsi, u32 channel_id) int gsi_channel_stop(struct gsi *gsi, u32 channel_id) { struct gsi_channel *channel = &gsi->channel[channel_id]; - u32 retries; + u32 retries = GSI_CHANNEL_STOP_RETRIES; int ret; gsi_channel_freeze(channel); - /* RX channels might require a little time to enter STOPPED state */ - retries = channel->toward_ipa ? 0 : GSI_CHANNEL_STOP_RX_RETRIES; - mutex_lock(&gsi->mutex); do {
For RX channels we issue a stop command more than once if necessary to allow it to stop. It turns out that TX channels could also require retries. Retry channel stop commands if necessary regardless of the channel direction. Rename the symbol defining the retry count so it's not RX-specific. Fixes: 650d1603825d8 ("soc: qcom: ipa: the generic software interface") Signed-off-by: Alex Elder <elder@linaro.org> --- drivers/net/ipa/gsi.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)