[PATCH 2/5] gpu: host1x: Call host1x_device_add() under lock

[Thierry Reding]

From: Thierry Reding <tred...@nvidia.com>

Instead of locking within host1x_device_add(), call it under the lock to
make the locking more consistent.

Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 drivers/gpu/host1x/bus.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
index e4182e68e29c..769116dba797 100644
--- a/drivers/gpu/host1x/bus.c
+++ b/drivers/gpu/host1x/bus.c
@@ -323,9 +323,7 @@ static int host1x_device_add(struct host1x *host1x,
                return err;
        }

-       mutex_lock(&host1x->devices_lock);
        list_add_tail(&device->list, &host1x->devices);
-       mutex_unlock(&host1x->devices_lock);

        mutex_lock(&clients_lock);

@@ -414,11 +412,11 @@ static void host1x_attach_driver(struct host1x *host1x,
                }
        }

-       mutex_unlock(&host1x->devices_lock);
-
        err = host1x_device_add(host1x, driver);
        if (err < 0)
                dev_err(host1x->dev, "failed to allocate device: %d\n", err);
+
+       mutex_unlock(&host1x->devices_lock);
 }

 static void host1x_detach_driver(struct host1x *host1x,
-- 
2.1.3