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| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2019-01-14 13:44:47 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 13:34:34 +0100 |
| commit | cfb32101ba148ad772a2556fc5086069c59d882f (patch) | |
| tree | 9010546af78965622da34efbf8e7f4e2c6743a14 /drivers/slimbus | |
| parent | 8631f940b81bf0da3d375fce166d381fa8c47bb2 (diff) | |
| download | lwn-cfb32101ba148ad772a2556fc5086069c59d882f.tar.gz lwn-cfb32101ba148ad772a2556fc5086069c59d882f.zip | |
slimbus: core: do not call device_status under a lock
Calling device_status callback under a lock would prevent drivers
to do any slimbus trasactions which would invoke this lock like
get_laddr(). Remove this unnecessary lock!
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/slimbus')
| -rw-r--r-- | drivers/slimbus/core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c index 9e4f3b21ba8c..1ba08b5f2e78 100644 --- a/drivers/slimbus/core.c +++ b/drivers/slimbus/core.c @@ -466,6 +466,7 @@ static int slim_device_alloc_laddr(struct slim_device *sbdev, sbdev->laddr = laddr; sbdev->is_laddr_valid = true; + mutex_unlock(&ctrl->lock); slim_device_update_status(sbdev, SLIM_DEVICE_STATUS_UP); @@ -473,6 +474,8 @@ static int slim_device_alloc_laddr(struct slim_device *sbdev, laddr, sbdev->e_addr.manf_id, sbdev->e_addr.prod_code, sbdev->e_addr.dev_index, sbdev->e_addr.instance); + return 0; + err: mutex_unlock(&ctrl->lock); return ret; |