[PATCH v5 04/20] drm/bridge: ti-sn65dsi86: Use devm to do our runtime_disable

From: Douglas Anderson
Date: Fri Apr 23 2021 - 13:00:08 EST


There's no devm_runtime_enable(), but it's easy to use
devm_add_action_or_reset() and means we don't need to worry about the
disable in our remove() routine or in error paths.

No functional changes intended by this change.

Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---

Changes in v5:
- Reordered to debugfs change to avoid transient issue

drivers/gpu/drm/bridge/ti-sn65dsi86.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 57574132e200..44d8395505f0 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -1213,6 +1213,11 @@ static void ti_sn_bridge_parse_lanes(struct ti_sn65dsi86 *pdata,
pdata->ln_polrs = ln_polrs;
}

+static void ti_sn65dsi86_runtime_disable(void *data)
+{
+ pm_runtime_disable(data);
+}
+
static int ti_sn65dsi86_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -1272,12 +1277,13 @@ static int ti_sn65dsi86_probe(struct i2c_client *client,
return ret;

pm_runtime_enable(pdata->dev);
+ ret = devm_add_action_or_reset(pdata->dev, ti_sn65dsi86_runtime_disable, pdata->dev);
+ if (ret)
+ return ret;

ret = ti_sn_setup_gpio_controller(pdata);
- if (ret) {
- pm_runtime_disable(pdata->dev);
+ if (ret)
return ret;
- }

i2c_set_clientdata(client, pdata);

@@ -1314,8 +1320,6 @@ static int ti_sn65dsi86_remove(struct i2c_client *client)

drm_bridge_remove(&pdata->bridge);

- pm_runtime_disable(pdata->dev);
-
of_node_put(pdata->host_node);

return 0;
--
2.31.1.498.g6c1eba8ee3d-goog