Messages in this thread Patch in this message | | | From | Marek Szyprowski <> | Subject | [PATCH] i2c: exynos5: register driver early in subsys initcall to avoid probe defer | Date | Fri, 30 Oct 2015 15:23:28 +0100 |
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i2c bus drivers should be registered earlier than typical drivers to let important i2c devices (like PMICs/regulators) get registered early enough to avoid probe defer of all devices in typical embedded system.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- drivers/i2c/busses/i2c-exynos5.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c index b29c7500461a..934a5cbcbdd3 100644 --- a/drivers/i2c/busses/i2c-exynos5.c +++ b/drivers/i2c/busses/i2c-exynos5.c @@ -867,7 +867,17 @@ static struct platform_driver exynos5_i2c_driver = { }, }; -module_platform_driver(exynos5_i2c_driver); +static int __init i2c_adap_exynos5_i2c_init(void) +{ + return platform_driver_register(&exynos5_i2c_driver); +} +subsys_initcall(i2c_adap_exynos5_i2c_init); + +static void __exit i2c_adap_exynos5_i2c_exit(void) +{ + platform_driver_unregister(&exynos5_i2c_driver); +} +module_exit(i2c_adap_exynos5_i2c_exit); MODULE_DESCRIPTION("Exynos5 HS-I2C Bus driver"); MODULE_AUTHOR("Naveen Krishna Chatradhi, <ch.naveen@samsung.com>"); -- 1.9.2
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