On Thu, Mar 12, 2026 at 05:32:02PM +0100, Krzysztof Kozlowski wrote:
> On 12/03/2026 03:41, Dmitry Baryshkov wrote:
> > On Wed, Mar 11, 2026 at 09:17:25PM +0100, Krzysztof Kozlowski wrote:
> >> Simplify chain of pointer dereferences with dev_of_node() which also
> >> checks if 'dev' argument is non-NULL.
> >>
> >> Signed-off-by: Krzysztof Kozlowski <[email protected]>
> >> ---
> >>  drivers/gpu/drm/msm/hdmi/hdmi.c | 4 ++--
> >>  1 file changed, 2 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c 
> >> b/drivers/gpu/drm/msm/hdmi/hdmi.c
> >> index 5afac09c0d33..b1db1b597901 100644
> >> --- a/drivers/gpu/drm/msm/hdmi/hdmi.c
> >> +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
> >> @@ -91,7 +91,7 @@ static int msm_hdmi_get_phy(struct hdmi *hdmi)
> >>    struct platform_device *phy_pdev;
> >>    struct device_node *phy_node;
> >>  
> >> -  phy_node = of_parse_phandle(pdev->dev.of_node, "phys", 0);
> >> +  phy_node = of_parse_phandle(dev_of_node(&pdev->dev), "phys", 0);
> >>    if (!phy_node) {
> >>            DRM_DEV_ERROR(&pdev->dev, "cannot find phy device\n");
> >>            return -ENXIO;
> >> @@ -287,7 +287,7 @@ static int msm_hdmi_dev_probe(struct platform_device 
> >> *pdev)
> >>    spin_lock_init(&hdmi->reg_lock);
> >>    mutex_init(&hdmi->state_mutex);
> >>  
> >> -  ret = drm_of_find_panel_or_bridge(pdev->dev.of_node, 1, 0, NULL, 
> >> &hdmi->next_bridge);
> >> +  ret = drm_of_find_panel_or_bridge(dev_of_node(dev), 1, 0, NULL, 
> >> &hdmi->next_bridge);
> > 
> > dev_of_node(&pdev->dev)?
> 
> Why? dev is already simpler.

... and there is no struct device *dev in msm_hdmi_get_phy().


Reviewed-by: Dmitry Baryshkov <[email protected]>


-- 
With best wishes
Dmitry

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