On 06/17/2014 09:17 AM, Guido Martínez wrote:
Use module_init instead of late_initcall, as is the norm for modular
drivers.
module_init was used until 6e8de0bd6a51fdeebd5d975c4fcc426f730b339b
("drm/tilcdc: add encoder slave (v2)") changed it to a late_initcall,
but it does not explain why. Tests show it's working properly with
module_init.
If I recall, the late_initcall stuff was done to try and make sure the
tda998x/i2c subsystem came up before tilcdc. However it didn't always
work so we added commit: 39de6194131c155901f96686a063212656d80c2e to try
and ensure the ordering. This might be why changing back to module_init
is fine (and I agree with your assessment from my testing).
Signed-off-by: Guido Martínez <guido@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/tilcdc/tilcdc_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 2c860c4..6be623b 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -629,7 +629,7 @@ static void __exit tilcdc_drm_fini(void)
tilcdc_tfp410_fini();
}
-late_initcall(tilcdc_drm_init);
+module_init(tilcdc_drm_init);
module_exit(tilcdc_drm_fini);
MODULE_AUTHOR("Rob Clark <robdclark@xxxxxxxxx");
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