From e3eca845ef7d6cd8c407f9b42beb45af94ff096b Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Thu, 5 Mar 2026 21:58:15 +0100 Subject: [PATCH] drm: of: Fix drm_of_get_data_lanes_count_ep() return value documentation Update drm_of_get_data_lanes_count_ep() return value documentation to match the drm_of_get_data_lanes_count() return value documentation. The drm_of_get_data_lanes_count_ep() is only a wrapper around the drm_of_get_data_lanes_count() and therefore returns the same error codes. Simplify the return code description of drm_of_get_data_lanes_count() and drm_of_get_data_lanes_count_ep() to -ENODATA and -EINVAL. Fixes: fc801750b197 ("drm: of: Add drm_of_get_data_lanes_count and drm_of_get_data_lanes_ep") Reported-by: Geert Uytterhoeven Signed-off-by: Marek Vasut Reviewed-by: Maxime Ripard Link: https://patch.msgid.link/20260305205840.95978-1-marek.vasut+renesas@mailbox.org Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/drm_of.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c index e495117735e1..cf02dbca5458 100644 --- a/drivers/gpu/drm/drm_of.c +++ b/drivers/gpu/drm/drm_of.c @@ -550,8 +550,8 @@ EXPORT_SYMBOL_GPL(drm_of_lvds_get_data_mapping); * * Return: * * min..max - positive integer count of "data-lanes" elements - * * -ve - the "data-lanes" property is missing or invalid - * * -EINVAL - the "data-lanes" property is unsupported + * * -ENODATA - the property does not have a value. + * * -EINVAL - the "data-lanes" property is missing or invalid */ int drm_of_get_data_lanes_count(const struct device_node *endpoint, const unsigned int min, const unsigned int max) @@ -582,8 +582,8 @@ EXPORT_SYMBOL_GPL(drm_of_get_data_lanes_count); * * Return: * * min..max - positive integer count of "data-lanes" elements - * * -EINVAL - the "data-mapping" property is unsupported - * * -ENODEV - the "data-mapping" property is missing + * * -ENODATA - the property does not have a value. + * * -EINVAL - the "data-lanes" property is missing or invalid */ int drm_of_get_data_lanes_count_ep(const struct device_node *port, int port_reg, int reg,