From: Lukas Wunner Date: Sun, 18 Oct 2015 11:05:40 +0000 (+0200) Subject: vga_switcheroo: Constify vga_switcheroo_handler X-Git-Tag: firefly_0821_release~176^2~721^2~14^2~1 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5d170139eb10ae12e1bd076245c42b35453d8324;p=firefly-linux-kernel-4.4.55.git vga_switcheroo: Constify vga_switcheroo_handler vga_switcheroo_client_ops has always been declared const since its introduction with 26ec685ff9d9 ("vga_switcheroo: Introduce struct vga_switcheroo_client_ops"). Do so for vga_switcheroo_handler as well. drivers/gpu/drm/amd/amdgpu/amdgpu.ko: 6 .rodata 00009888 - 19 .data 00001f00 + 19 .data 00001ee0 drivers/gpu/drm/nouveau/nouveau.ko: 6 .rodata 000460b8 17 .data 00018fe0 drivers/gpu/drm/radeon/radeon.ko: - 7 .rodata 00030944 + 7 .rodata 00030964 - 21 .data 0000d6a0 + 21 .data 0000d678 drivers/platform/x86/apple-gmux.ko: - 7 .rodata 00000140 + 7 .rodata 00000160 - 11 .data 000000e0 + 11 .data 000000b8 Cc: Ben Skeggs Cc: Darren Hart Cc: Alex Deucher Signed-off-by: Lukas Wunner Reviewed-by: Christian König . Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c index 1a6b239baab9..5a8fbadbd27b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -501,7 +501,7 @@ static int amdgpu_atpx_get_client_id(struct pci_dev *pdev) return VGA_SWITCHEROO_DIS; } -static struct vga_switcheroo_handler amdgpu_atpx_handler = { +static const struct vga_switcheroo_handler amdgpu_atpx_handler = { .switchto = amdgpu_atpx_switchto, .power_state = amdgpu_atpx_power_state, .init = amdgpu_atpx_init, diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index df2d9818aba3..8b8332e46f24 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -206,7 +206,7 @@ static int nouveau_dsm_get_client_id(struct pci_dev *pdev) return VGA_SWITCHEROO_DIS; } -static struct vga_switcheroo_handler nouveau_dsm_handler = { +static const struct vga_switcheroo_handler nouveau_dsm_handler = { .switchto = nouveau_dsm_switchto, .power_state = nouveau_dsm_power_state, .get_client_id = nouveau_dsm_get_client_id, diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index a771b9f0bf98..c4b4f298a283 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -499,7 +499,7 @@ static int radeon_atpx_get_client_id(struct pci_dev *pdev) return VGA_SWITCHEROO_DIS; } -static struct vga_switcheroo_handler radeon_atpx_handler = { +static const struct vga_switcheroo_handler radeon_atpx_handler = { .switchto = radeon_atpx_switchto, .power_state = radeon_atpx_power_state, .init = radeon_atpx_init, diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index af0d372ff7d4..56bbbd65ae8a 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -140,7 +140,7 @@ struct vgasr_priv { int registered_clients; struct list_head clients; - struct vga_switcheroo_handler *handler; + const struct vga_switcheroo_handler *handler; }; #define ID_BIT_AUDIO 0x100 @@ -195,7 +195,7 @@ static void vga_switcheroo_enable(void) * * Return: 0 on success, -EINVAL if a handler was already registered. */ -int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) +int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler) { mutex_lock(&vgasr_mutex); if (vgasr_priv.handler) { diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index 0dec3f59917a..976efeb3f2ba 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -346,7 +346,7 @@ gmux_active_client(struct apple_gmux_data *gmux_data) return VGA_SWITCHEROO_DIS; } -static struct vga_switcheroo_handler gmux_handler = { +static const struct vga_switcheroo_handler gmux_handler = { .switchto = gmux_switchto, .power_state = gmux_set_power_state, .get_client_id = gmux_get_client_id, diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h index c55751155631..786bc931dbd1 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h @@ -137,7 +137,7 @@ int vga_switcheroo_register_audio_client(struct pci_dev *pdev, void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info); -int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler); +int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler); void vga_switcheroo_unregister_handler(void); int vga_switcheroo_process_delayed_switch(void); @@ -155,7 +155,7 @@ static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} static inline int vga_switcheroo_register_client(struct pci_dev *dev, const struct vga_switcheroo_client_ops *ops, bool driver_power_control) { return 0; } static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info) {} -static inline int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) { return 0; } +static inline int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler) { return 0; } static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev, const struct vga_switcheroo_client_ops *ops, enum vga_switcheroo_client_id id) { return 0; }