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slimbus: core: do not call device_status under a lock

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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>
This commit is contained in:
Srinivas Kandagatla 2019-01-14 13:44:47 +00:00 • committed by Greg Kroah-Hartman
commit cfb32101ba
1 changed files with 3 additions and 0 deletions
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3
drivers/slimbus/core.c
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@ -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;