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authorLinus Walleij <linus.walleij@linaro.org>2018-05-03 17:04:31 +0300
committerLinus Walleij <linus.walleij@linaro.org>2018-05-04 01:13:41 +0300
commit0a4587a034a43e5076770df10446214cfb3de8f8 (patch)
tree1625bce6b1b8d4de87041035f86bc593355e28df /drivers/gpu/drm/pl111/pl111_vexpress.c
parent0d49f303e8a7006e0af3b58ed3809e1cad0900fb (diff)
downloadlinux-0a4587a034a43e5076770df10446214cfb3de8f8.tar.xz
drm/pl111: Fix module probe bug
Commit a30933c27602 ("drm/pl111: Support the Versatile Express") Added a second module using the builtin_platform_driver() call, which works fine as long as you do not try to build the PL111 driver as a module, because a module can only have one initcall and cause the following build bug: (...) multiple definition of `init_module' (...) Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Eric Anholt <eric@anholt.net> Cc: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Fixes: a30933c27602 ("drm/pl111: Support the Versatile Express") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20180503140431.5798-1-linus.walleij@linaro.org
Diffstat (limited to 'drivers/gpu/drm/pl111/pl111_vexpress.c')
-rw-r--r--drivers/gpu/drm/pl111/pl111_vexpress.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/pl111/pl111_vexpress.c b/drivers/gpu/drm/pl111/pl111_vexpress.c
index c9fee625faf1..a534b225e31b 100644
--- a/drivers/gpu/drm/pl111/pl111_vexpress.c
+++ b/drivers/gpu/drm/pl111/pl111_vexpress.c
@@ -122,4 +122,13 @@ static struct platform_driver vexpress_muxfpga_driver = {
.probe = vexpress_muxfpga_probe,
};
-builtin_platform_driver(vexpress_muxfpga_driver);
+int vexpress_muxfpga_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&vexpress_muxfpga_driver);
+ /* -EBUSY just means this driver is already registered */
+ if (ret == -EBUSY)
+ ret = 0;
+ return ret;
+}