Re: [PATCH 2/2] drm/omap: simplify getting .driver_data

From: Kieran Bingham
Date: Fri Mar 22 2019 - 04:20:04 EST


Hi Wolfram,

Thank you for the patch,


On 19/03/2019 16:36, Wolfram Sang wrote:
> We should get 'driver_data' from 'struct device' directly. Going via
> platform_device is an unneeded step back and forth.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

As with the other in this series, looks good to me.

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>


> ---
>
> Build tested only. buildbot is happy.
>
> drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 18 ++++++------------
> 1 file changed, 6 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> index 29692a5217c5..88d4b0c60689 100644
> --- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> +++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
> @@ -412,8 +412,7 @@ static const struct backlight_ops dsicm_bl_ops = {
> static ssize_t dsicm_num_errors_show(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> - struct platform_device *pdev = to_platform_device(dev);
> - struct panel_drv_data *ddata = platform_get_drvdata(pdev);
> + struct panel_drv_data *ddata = dev_get_drvdata(dev);
> struct omap_dss_device *src = ddata->dssdev.src;
> u8 errors = 0;
> int r;
> @@ -444,8 +443,7 @@ static ssize_t dsicm_num_errors_show(struct device *dev,
> static ssize_t dsicm_hw_revision_show(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> - struct platform_device *pdev = to_platform_device(dev);
> - struct panel_drv_data *ddata = platform_get_drvdata(pdev);
> + struct panel_drv_data *ddata = dev_get_drvdata(dev);
> struct omap_dss_device *src = ddata->dssdev.src;
> u8 id1, id2, id3;
> int r;
> @@ -476,8 +474,7 @@ static ssize_t dsicm_store_ulps(struct device *dev,
> struct device_attribute *attr,
> const char *buf, size_t count)
> {
> - struct platform_device *pdev = to_platform_device(dev);
> - struct panel_drv_data *ddata = platform_get_drvdata(pdev);
> + struct panel_drv_data *ddata = dev_get_drvdata(dev);
> struct omap_dss_device *src = ddata->dssdev.src;
> unsigned long t;
> int r;
> @@ -511,8 +508,7 @@ static ssize_t dsicm_show_ulps(struct device *dev,
> struct device_attribute *attr,
> char *buf)
> {
> - struct platform_device *pdev = to_platform_device(dev);
> - struct panel_drv_data *ddata = platform_get_drvdata(pdev);
> + struct panel_drv_data *ddata = dev_get_drvdata(dev);
> unsigned int t;
>
> mutex_lock(&ddata->lock);
> @@ -526,8 +522,7 @@ static ssize_t dsicm_store_ulps_timeout(struct device *dev,
> struct device_attribute *attr,
> const char *buf, size_t count)
> {
> - struct platform_device *pdev = to_platform_device(dev);
> - struct panel_drv_data *ddata = platform_get_drvdata(pdev);
> + struct panel_drv_data *ddata = dev_get_drvdata(dev);
> struct omap_dss_device *src = ddata->dssdev.src;
> unsigned long t;
> int r;
> @@ -558,8 +553,7 @@ static ssize_t dsicm_show_ulps_timeout(struct device *dev,
> struct device_attribute *attr,
> char *buf)
> {
> - struct platform_device *pdev = to_platform_device(dev);
> - struct panel_drv_data *ddata = platform_get_drvdata(pdev);
> + struct panel_drv_data *ddata = dev_get_drvdata(dev);
> unsigned int t;
>
> mutex_lock(&ddata->lock);
>