From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH 2/4] simplefb: Add support for enumerating simplefb dt nodes in /chosen Date: Wed, 12 Nov 2014 23:08:42 +0100 Message-ID: <1415830124-28787-2-git-send-email-hdegoede@redhat.com> References: <1415830124-28787-1-git-send-email-hdegoede@redhat.com> Reply-To: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <1415830124-28787-1-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Tomi Valkeinen Cc: Stephen Warren , Jean-Christophe Plagniol-Villard , Grant Likely , Rob Herring , Luc Verhaegen , Maxime Ripard , Mike Turquette , David Herrmann , Geert Uytterhoeven , linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree , linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Hans de Goede List-Id: devicetree@vger.kernel.org Update simplefb to support the new preferred location for simplefb dt nodes under /chosen. Signed-off-by: Hans de Goede --- drivers/video/fbdev/simplefb.c | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c index cd96edd..be7d288 100644 --- a/drivers/video/fbdev/simplefb.c +++ b/drivers/video/fbdev/simplefb.c @@ -27,6 +27,7 @@ #include #include #include +#include static struct fb_fix_screeninfo simplefb_fix = { .id = "simple", @@ -385,7 +386,37 @@ static struct platform_driver simplefb_driver = { .probe = simplefb_probe, .remove = simplefb_remove, }; -module_platform_driver(simplefb_driver); + +static int __init simplefb_init(void) +{ + int i, ret; + char name[16]; + struct device_node *np; + + ret = platform_driver_register(&simplefb_driver); + if (ret) + return ret; + + for (i = 0; ; i++) { + snprintf(name, sizeof(name), "framebuffer%d", i); + np = of_find_node_by_name(of_chosen, name); + if (!np) + break; + + /* of_platform_device_create will check status for us */ + of_platform_device_create(np, NULL, NULL); + } + + return 0; +} + +static void __exit simplefb_exit(void) +{ + platform_driver_unregister(&simplefb_driver); +} + +module_init(simplefb_init); +module_exit(simplefb_exit); MODULE_AUTHOR("Stephen Warren "); MODULE_DESCRIPTION("Simple framebuffer driver"); -- 2.1.0