From 036105e3a776b6fc2fe0d262896a23ff2cc2e6b1 Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Mon, 12 Feb 2024 10:06:10 +0100 Subject: video: Provide screen_info_get_pci_dev() to find screen_info's PCI device Add screen_info_get_pci_dev() to find the PCI device of an instance of screen_info. Does nothing on systems without PCI bus. v3: * search PCI device with pci_get_base_class() (Sui) v2: * remove ret from screen_info_pci_dev() (Javier) Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas Link: https://patchwork.freedesktop.org/patch/msgid/20240212090736.11464-3-tzimmermann@suse.de --- include/linux/screen_info.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include/linux') diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h index e7a02c5609d1..0eae08e3c6f9 100644 --- a/include/linux/screen_info.h +++ b/include/linux/screen_info.h @@ -9,6 +9,7 @@ */ #define SCREEN_INFO_MAX_RESOURCES 3 +struct pci_dev; struct resource; static inline bool __screen_info_has_lfb(unsigned int type) @@ -104,6 +105,15 @@ static inline unsigned int screen_info_video_type(const struct screen_info *si) ssize_t screen_info_resources(const struct screen_info *si, struct resource *r, size_t num); +#if defined(CONFIG_PCI) +struct pci_dev *screen_info_pci_dev(const struct screen_info *si); +#else +static inline struct pci_dev *screen_info_pci_dev(const struct screen_info *si) +{ + return NULL; +} +#endif + extern struct screen_info screen_info; #endif /* _SCREEN_INFO_H */ -- cgit v1.2.3