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Date: Thu, 10 Mar 2022 19:53:59 +0100 From: Sam Ravnborg <sam@...nborg.org> To: Xin Ji <xji@...logixsemi.com> Cc: Andrzej Hajda <andrzej.hajda@...el.com>, Neil Armstrong <narmstrong@...libre.com>, Robert Foss <robert.foss@...aro.org>, Laurent Pinchart <Laurent.pinchart@...asonboard.com>, Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, qwen@...logixsemi.com, linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org, mliu@...logixsemi.com, hsinyi@...omium.org, bliang@...logixsemi.com Subject: Re: [PATCH] drm/bridge: anx7625: Fix not correct get property counts Hi Xin, On Thu, Mar 10, 2022 at 05:16:53PM +0800, Xin Ji wrote: > The property length which returns from "of_get_property", divided by > sizeof(int) to get the total property counts. > > Fixes: fd0310b6fe7d ("drm/bridge: anx7625: add MIPI DPI input feature") > > Signed-off-by: Xin Ji <xji@...logixsemi.com> > --- > drivers/gpu/drm/bridge/analogix/anx7625.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c > index c6a9a02ed762..87081d5b408d 100644 > --- a/drivers/gpu/drm/bridge/analogix/anx7625.c > +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c > @@ -1594,6 +1594,7 @@ static int anx7625_get_swing_setting(struct device *dev, > > if (of_get_property(dev->of_node, > "analogix,lane0-swing", &num_regs)) { > + num_regs /= sizeof(int); Since the property is an array maybe use: of_property_read_u8_array() Sam
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