diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/console/sticon.c | 12 | ||||
| -rw-r--r-- | drivers/video/console/vgacon.c | 35 | ||||
| -rw-r--r-- | drivers/video/fbdev/core/fbmem.c | 47 | ||||
| -rw-r--r-- | drivers/video/fbdev/core/fbsysfs.c | 14 | ||||
| -rw-r--r-- | drivers/video/fbdev/efifb.c | 11 | ||||
| -rw-r--r-- | drivers/video/fbdev/omap/omapfb_main.c | 1 | ||||
| -rw-r--r-- | drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c | 14 | ||||
| -rw-r--r-- | drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c | 18 | ||||
| -rw-r--r-- | drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c | 20 | ||||
| -rw-r--r-- | drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c | 12 | ||||
| -rw-r--r-- | drivers/video/fbdev/simplefb.c | 32 | ||||
| -rw-r--r-- | drivers/video/fbdev/xen-fbfront.c | 1 |
12 files changed, 126 insertions, 91 deletions
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index 1b451165311c..40496e9e9b43 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -332,13 +332,13 @@ static u8 sticon_build_attr(struct vc_data *conp, u8 color, bool blink, bool underline, bool reverse, bool italic) { - u8 attr = ((color & 0x70) >> 1) | ((color & 7)); + u8 fg = color & 7; + u8 bg = (color & 0x70) >> 4; - if (reverse) { - color = ((color >> 3) & 0x7) | ((color & 0x7) << 3); - } - - return attr; + if (reverse) + return (fg << 3) | bg; + else + return (bg << 3) | fg; } static void sticon_invert_region(struct vc_data *conp, u16 *p, int count) diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index ef9c57ce0906..576612f18d59 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -97,30 +97,9 @@ static int vga_video_font_height; static int vga_scan_lines __read_mostly; static unsigned int vga_rolled_over; /* last vc_origin offset before wrap */ -static bool vgacon_text_mode_force; static bool vga_hardscroll_enabled; static bool vga_hardscroll_user_enable = true; -bool vgacon_text_force(void) -{ - return vgacon_text_mode_force; -} -EXPORT_SYMBOL(vgacon_text_force); - -static int __init text_mode(char *str) -{ - vgacon_text_mode_force = true; - - pr_warn("You have booted with nomodeset. This means your GPU drivers are DISABLED\n"); - pr_warn("Any video related functionality will be severely degraded, and you may not even be able to suspend the system properly\n"); - pr_warn("Unless you actually understand what nomodeset does, you should reboot without enabling it\n"); - - return 1; -} - -/* force text mode - used by kernel modesetting */ -__setup("nomodeset", text_mode); - static int __init no_scroll(char *str) { /* @@ -366,11 +345,17 @@ static void vgacon_init(struct vc_data *c, int init) struct uni_pagedir *p; /* - * We cannot be loaded as a module, therefore init is always 1, - * but vgacon_init can be called more than once, and init will - * not be 1. + * We cannot be loaded as a module, therefore init will be 1 + * if we are the default console, however if we are a fallback + * console, for example if fbcon has failed registration, then + * init will be 0, so we need to make sure our boot parameters + * have been copied to the console structure for vgacon_resize + * ultimately called by vc_resize. Any subsequent calls to + * vgacon_init init will have init set to 0 too. */ c->vc_can_do_color = vga_can_do_color; + c->vc_scan_lines = vga_scan_lines; + c->vc_font.height = c->vc_cell_height = vga_video_font_height; /* set dimensions manually if init != 0 since vc_resize() will fail */ if (init) { @@ -379,8 +364,6 @@ static void vgacon_init(struct vc_data *c, int init) } else vc_resize(c, vga_video_num_columns, vga_video_num_lines); - c->vc_scan_lines = vga_scan_lines; - c->vc_font.height = c->vc_cell_height = vga_video_font_height; c->vc_complement_mask = 0x7700; if (vga_512_chars) c->vc_hi_font_mask = 0x0800; diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 826175ad88a2..0fa7ede94fa6 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -1763,6 +1763,53 @@ int remove_conflicting_framebuffers(struct apertures_struct *a, EXPORT_SYMBOL(remove_conflicting_framebuffers); /** + * is_firmware_framebuffer - detect if firmware-configured framebuffer matches + * @a: memory range, users of which are to be checked + * + * This function checks framebuffer devices (initialized by firmware/bootloader) + * which use memory range described by @a. If @a matchesm the function returns + * true, otherwise false. + */ +bool is_firmware_framebuffer(struct apertures_struct *a) +{ + bool do_free = false; + bool found = false; + int i; + + if (!a) { + a = alloc_apertures(1); + if (!a) + return false; + + a->ranges[0].base = 0; + a->ranges[0].size = ~0; + do_free = true; + } + + mutex_lock(®istration_lock); + /* check all firmware fbs and kick off if the base addr overlaps */ + for_each_registered_fb(i) { + struct apertures_struct *gen_aper; + + if (!(registered_fb[i]->flags & FBINFO_MISC_FIRMWARE)) + continue; + + gen_aper = registered_fb[i]->apertures; + if (fb_do_apertures_overlap(gen_aper, a)) { + found = true; + break; + } + } + mutex_unlock(®istration_lock); + + if (do_free) + kfree(a); + + return found; +} +EXPORT_SYMBOL(is_firmware_framebuffer); + +/** * remove_conflicting_pci_framebuffers - remove firmware-configured framebuffers for PCI devices * @pdev: PCI device * @name: requesting driver name diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c index 65dae05fff8e..26892940c213 100644 --- a/drivers/video/fbdev/core/fbsysfs.c +++ b/drivers/video/fbdev/core/fbsysfs.c @@ -230,7 +230,7 @@ static ssize_t show_bpp(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.bits_per_pixel); + return sysfs_emit(buf, "%d\n", fb_info->var.bits_per_pixel); } static ssize_t store_rotate(struct device *device, @@ -257,7 +257,7 @@ static ssize_t show_rotate(struct device *device, { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.rotate); + return sysfs_emit(buf, "%d\n", fb_info->var.rotate); } static ssize_t store_virtual(struct device *device, @@ -285,7 +285,7 @@ static ssize_t show_virtual(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xres_virtual, + return sysfs_emit(buf, "%d,%d\n", fb_info->var.xres_virtual, fb_info->var.yres_virtual); } @@ -293,7 +293,7 @@ static ssize_t show_stride(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length); + return sysfs_emit(buf, "%d\n", fb_info->fix.line_length); } static ssize_t store_blank(struct device *device, @@ -381,7 +381,7 @@ static ssize_t show_pan(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xoffset, + return sysfs_emit(buf, "%d,%d\n", fb_info->var.xoffset, fb_info->var.yoffset); } @@ -390,7 +390,7 @@ static ssize_t show_name(struct device *device, { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%s\n", fb_info->fix.id); + return sysfs_emit(buf, "%s\n", fb_info->fix.id); } static ssize_t store_fbstate(struct device *device, @@ -418,7 +418,7 @@ static ssize_t show_fbstate(struct device *device, struct device_attribute *attr, char *buf) { struct fb_info *fb_info = dev_get_drvdata(device); - return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state); + return sysfs_emit(buf, "%d\n", fb_info->state); } #if IS_ENABLED(CONFIG_FB_BACKLIGHT) diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index edca3703b964..ea42ba6445b2 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -351,6 +351,17 @@ static int efifb_probe(struct platform_device *dev) char *option = NULL; efi_memory_desc_t md; + /* + * Generic drivers must not be registered if a framebuffer exists. + * If a native driver was probed, the display hardware was already + * taken and attempting to use the system framebuffer is dangerous. + */ + if (num_registered_fb > 0) { + dev_err(&dev->dev, + "efifb: a framebuffer is already registered\n"); + return -EINVAL; + } + if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI || pci_dev_disabled) return -ENODEV; diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 3d090d2d9ed9..b495c09e6102 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -1555,6 +1555,7 @@ static void omapfb_free_resources(struct omapfb_device *fbdev, int state) case 1: dev_set_drvdata(fbdev->dev, NULL); kfree(fbdev); + break; case 0: /* nothing to free */ break; diff --git a/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c index 6dbe265b312d..8f355d1caf86 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c @@ -19,14 +19,14 @@ static ssize_t display_name_show(struct omap_dss_device *dssdev, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", + return sysfs_emit(buf, "%s\n", dssdev->name ? dssdev->name : ""); } static ssize_t display_enabled_show(struct omap_dss_device *dssdev, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d\n", + return sysfs_emit(buf, "%d\n", omapdss_device_is_enabled(dssdev)); } @@ -59,7 +59,7 @@ static ssize_t display_enabled_store(struct omap_dss_device *dssdev, static ssize_t display_tear_show(struct omap_dss_device *dssdev, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d\n", + return sysfs_emit(buf, "%d\n", dssdev->driver->get_te ? dssdev->driver->get_te(dssdev) : 0); } @@ -93,7 +93,7 @@ static ssize_t display_timings_show(struct omap_dss_device *dssdev, char *buf) dssdev->driver->get_timings(dssdev, &t); - return snprintf(buf, PAGE_SIZE, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n", + return sysfs_emit(buf, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n", t.pixelclock, t.x_res, t.hfp, t.hbp, t.hsw, t.y_res, t.vfp, t.vbp, t.vsw); @@ -143,7 +143,7 @@ static ssize_t display_rotate_show(struct omap_dss_device *dssdev, char *buf) if (!dssdev->driver->get_rotate) return -ENOENT; rotate = dssdev->driver->get_rotate(dssdev); - return snprintf(buf, PAGE_SIZE, "%u\n", rotate); + return sysfs_emit(buf, "%u\n", rotate); } static ssize_t display_rotate_store(struct omap_dss_device *dssdev, @@ -171,7 +171,7 @@ static ssize_t display_mirror_show(struct omap_dss_device *dssdev, char *buf) if (!dssdev->driver->get_mirror) return -ENOENT; mirror = dssdev->driver->get_mirror(dssdev); - return snprintf(buf, PAGE_SIZE, "%u\n", mirror); + return sysfs_emit(buf, "%u\n", mirror); } static ssize_t display_mirror_store(struct omap_dss_device *dssdev, @@ -203,7 +203,7 @@ static ssize_t display_wss_show(struct omap_dss_device *dssdev, char *buf) wss = dssdev->driver->get_wss(dssdev); - return snprintf(buf, PAGE_SIZE, "0x%05x\n", wss); + return sysfs_emit(buf, "0x%05x\n", wss); } static ssize_t display_wss_store(struct omap_dss_device *dssdev, diff --git a/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c index b52cc1af0959..3ffb1fe4a38a 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c @@ -22,14 +22,14 @@ static ssize_t manager_name_show(struct omap_overlay_manager *mgr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", mgr->name); + return sysfs_emit(buf, "%s\n", mgr->name); } static ssize_t manager_display_show(struct omap_overlay_manager *mgr, char *buf) { struct omap_dss_device *dssdev = mgr->get_device(mgr); - return snprintf(buf, PAGE_SIZE, "%s\n", dssdev ? + return sysfs_emit(buf, "%s\n", dssdev ? dssdev->name : "<none>"); } @@ -120,7 +120,7 @@ static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr, mgr->get_manager_info(mgr, &info); - return snprintf(buf, PAGE_SIZE, "%#x\n", info.default_color); + return sysfs_emit(buf, "%#x\n", info.default_color); } static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr, @@ -165,7 +165,7 @@ static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr, key_type = info.trans_key_type; BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str)); - return snprintf(buf, PAGE_SIZE, "%s\n", trans_key_type_str[key_type]); + return sysfs_emit(buf, "%s\n", trans_key_type_str[key_type]); } static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr, @@ -200,7 +200,7 @@ static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr, mgr->get_manager_info(mgr, &info); - return snprintf(buf, PAGE_SIZE, "%#x\n", info.trans_key); + return sysfs_emit(buf, "%#x\n", info.trans_key); } static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr, @@ -236,7 +236,7 @@ static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr, mgr->get_manager_info(mgr, &info); - return snprintf(buf, PAGE_SIZE, "%d\n", info.trans_enabled); + return sysfs_emit(buf, "%d\n", info.trans_enabled); } static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr, @@ -275,7 +275,7 @@ static ssize_t manager_alpha_blending_enabled_show( mgr->get_manager_info(mgr, &info); - return snprintf(buf, PAGE_SIZE, "%d\n", + return sysfs_emit(buf, "%d\n", info.partial_alpha_enabled); } @@ -316,7 +316,7 @@ static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr, mgr->get_manager_info(mgr, &info); - return snprintf(buf, PAGE_SIZE, "%d\n", info.cpr_enable); + return sysfs_emit(buf, "%d\n", info.cpr_enable); } static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr, @@ -358,7 +358,7 @@ static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr, mgr->get_manager_info(mgr, &info); - return snprintf(buf, PAGE_SIZE, + return sysfs_emit(buf, "%d %d %d %d %d %d %d %d %d\n", info.cpr_coefs.rr, info.cpr_coefs.rg, diff --git a/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c index 36acf366213a..421dcb7564ad 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c @@ -22,12 +22,12 @@ static ssize_t overlay_name_show(struct omap_overlay *ovl, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", ovl->name); + return sysfs_emit(buf, "%s\n", ovl->name); } static ssize_t overlay_manager_show(struct omap_overlay *ovl, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", + return sysfs_emit(buf, "%s\n", ovl->manager ? ovl->manager->name : "<none>"); } @@ -108,7 +108,7 @@ static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf) ovl->get_overlay_info(ovl, &info); - return snprintf(buf, PAGE_SIZE, "%d,%d\n", + return sysfs_emit(buf, "%d,%d\n", info.width, info.height); } @@ -118,7 +118,7 @@ static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf) ovl->get_overlay_info(ovl, &info); - return snprintf(buf, PAGE_SIZE, "%d\n", info.screen_width); + return sysfs_emit(buf, "%d\n", info.screen_width); } static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf) @@ -127,7 +127,7 @@ static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf) ovl->get_overlay_info(ovl, &info); - return snprintf(buf, PAGE_SIZE, "%d,%d\n", + return sysfs_emit(buf, "%d,%d\n", info.pos_x, info.pos_y); } @@ -166,7 +166,7 @@ static ssize_t overlay_output_size_show(struct omap_overlay *ovl, char *buf) ovl->get_overlay_info(ovl, &info); - return snprintf(buf, PAGE_SIZE, "%d,%d\n", + return sysfs_emit(buf, "%d,%d\n", info.out_width, info.out_height); } @@ -201,7 +201,7 @@ static ssize_t overlay_output_size_store(struct omap_overlay *ovl, static ssize_t overlay_enabled_show(struct omap_overlay *ovl, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d\n", ovl->is_enabled(ovl)); + return sysfs_emit(buf, "%d\n", ovl->is_enabled(ovl)); } static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf, @@ -231,7 +231,7 @@ static ssize_t overlay_global_alpha_show(struct omap_overlay *ovl, char *buf) ovl->get_overlay_info(ovl, &info); - return snprintf(buf, PAGE_SIZE, "%d\n", + return sysfs_emit(buf, "%d\n", info.global_alpha); } @@ -273,7 +273,7 @@ static ssize_t overlay_pre_mult_alpha_show(struct omap_overlay *ovl, ovl->get_overlay_info(ovl, &info); - return snprintf(buf, PAGE_SIZE, "%d\n", + return sysfs_emit(buf, "%d\n", info.pre_mult_alpha); } @@ -314,7 +314,7 @@ static ssize_t overlay_zorder_show(struct omap_overlay *ovl, char *buf) ovl->get_overlay_info(ovl, &info); - return snprintf(buf, PAGE_SIZE, "%d\n", info.zorder); + return sysfs_emit(buf, "%d\n", info.zorder); } static ssize_t overlay_zorder_store(struct omap_overlay *ovl, diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c b/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c index 2d39dbfa742e..06dc41aa0354 100644 --- a/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c +++ b/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c @@ -29,7 +29,7 @@ static ssize_t show_rotate_type(struct device *dev, struct fb_info *fbi = dev_get_drvdata(dev); struct omapfb_info *ofbi = FB2OFB(fbi); - return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->rotation_type); + return sysfs_emit(buf, "%d\n", ofbi->rotation_type); } static ssize_t store_rotate_type(struct device *dev, @@ -83,7 +83,7 @@ static ssize_t show_mirror(struct device *dev, struct fb_info *fbi = dev_get_drvdata(dev); struct omapfb_info *ofbi = FB2OFB(fbi); - return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->mirror); + return sysfs_emit(buf, "%d\n", ofbi->mirror); } static ssize_t store_mirror(struct device *dev, @@ -415,7 +415,7 @@ static ssize_t show_size(struct device *dev, struct fb_info *fbi = dev_get_drvdata(dev); struct omapfb_info *ofbi = FB2OFB(fbi); - return snprintf(buf, PAGE_SIZE, "%lu\n", ofbi->region->size); + return sysfs_emit(buf, "%lu\n", ofbi->region->size); } static ssize_t store_size(struct device *dev, struct device_attribute *attr, @@ -492,7 +492,7 @@ static ssize_t show_phys(struct device *dev, struct fb_info *fbi = dev_get_drvdata(dev); struct omapfb_info *ofbi = FB2OFB(fbi); - return snprintf(buf, PAGE_SIZE, "%0x\n", ofbi->region->paddr); + return sysfs_emit(buf, "%0x\n", ofbi->region->paddr); } static ssize_t show_virt(struct device *dev, @@ -501,7 +501,7 @@ static ssize_t show_virt(struct device *dev, struct fb_info *fbi = dev_get_drvdata(dev); struct omapfb_info *ofbi = FB2OFB(fbi); - return snprintf(buf, PAGE_SIZE, "%p\n", ofbi->region->vaddr); + return sysfs_emit(buf, "%p\n", ofbi->region->vaddr); } static ssize_t show_upd_mode(struct device *dev, @@ -516,7 +516,7 @@ static ssize_t show_upd_mode(struct device *dev, if (r) return r; - return snprintf(buf, PAGE_SIZE, "%u\n", (unsigned)mode); + return sysfs_emit(buf, "%u\n", (unsigned int)mode); } static ssize_t store_upd_mode(struct device *dev, struct device_attribute *attr, diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c index 62f0ded70681..57541887188b 100644 --- a/drivers/video/fbdev/simplefb.c +++ b/drivers/video/fbdev/simplefb.c @@ -407,6 +407,17 @@ static int simplefb_probe(struct platform_device *pdev) struct simplefb_par *par; struct resource *mem; + /* + * Generic drivers must not be registered if a framebuffer exists. + * If a native driver was probed, the display hardware was already + * taken and attempting to use the system framebuffer is dangerous. + */ + if (num_registered_fb > 0) { + dev_err(&pdev->dev, + "simplefb: a framebuffer is already registered\n"); + return -EINVAL; + } + if (fb_get_options("simplefb", NULL)) return -ENODEV; @@ -530,26 +541,7 @@ static struct platform_driver simplefb_driver = { .remove = simplefb_remove, }; -static int __init simplefb_init(void) -{ - int ret; - struct device_node *np; - - ret = platform_driver_register(&simplefb_driver); - if (ret) - return ret; - - if (IS_ENABLED(CONFIG_OF_ADDRESS) && of_chosen) { - for_each_child_of_node(of_chosen, np) { - if (of_device_is_compatible(np, "simple-framebuffer")) - of_platform_device_create(np, NULL, NULL); - } - } - - return 0; -} - -fs_initcall(simplefb_init); +module_platform_driver(simplefb_driver); MODULE_AUTHOR("Stephen Warren <swarren@wwwdotorg.org>"); MODULE_DESCRIPTION("Simple framebuffer driver"); diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c index 5ec51445bee8..6826f986da43 100644 --- a/drivers/video/fbdev/xen-fbfront.c +++ b/drivers/video/fbdev/xen-fbfront.c @@ -695,6 +695,7 @@ static struct xenbus_driver xenfb_driver = { .remove = xenfb_remove, .resume = xenfb_resume, .otherend_changed = xenfb_backend_changed, + .not_essential = true, }; static int __init xenfb_init(void) |