Re: [PATCH 4.19 070/422] pinctrl: ingenic: Probe driver at subsys_initcall

From: Pavel Machek
Date: Thu Nov 21 2019 - 05:17:54 EST


On Tue 2019-11-19 06:14:27, Greg Kroah-Hartman wrote:
> From: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
>
> [ Upstream commit 556a36a71ed80e17ade49225b58513ea3c9e4558 ]
>
> Using postcore_initcall() makes the driver try to initialize way too
> early.

Does it fix concrete bug / would you say it is suitable for -stable?

> +++ b/drivers/pinctrl/pinctrl-ingenic.c
> @@ -847,4 +847,4 @@ static int __init ingenic_pinctrl_drv_register(void)
> {
> return platform_driver_register(&ingenic_pinctrl_driver);
> }
> -postcore_initcall(ingenic_pinctrl_drv_register);
> +subsys_initcall(ingenic_pinctrl_drv_register);

There are other pinctrl drivers initialized very early, do they need
fixing, too?

Best regards,
Pavel

pavel@amd:~/cip/k$ grep _initcall drivers/pinctrl/pinctrl-*.c
drivers/pinctrl/pinctrl-artpec6.c:arch_initcall(artpec6_pmx_init);
drivers/pinctrl/pinctrl-at91.c:arch_initcall(at91_pinctrl_init);
drivers/pinctrl/pinctrl-coh901.c:arch_initcall(u300_gpio_init);
drivers/pinctrl/pinctrl-falcon.c:core_initcall_sync(pinctrl_falcon_init);
drivers/pinctrl/pinctrl-gemini.c:arch_initcall(gemini_pmx_init);
drivers/pinctrl/pinctrl-ingenic.c:postcore_initcall(ingenic_pinctrl_drv_register);
drivers/pinctrl/pinctrl-mcp23s08.c:subsys_initcall(mcp23s08_init);
drivers/pinctrl/pinctrl-oxnas.c:arch_initcall(oxnas_gpio_register);
drivers/pinctrl/pinctrl-oxnas.c:arch_initcall(oxnas_pinctrl_register);
drivers/pinctrl/pinctrl-pic32.c:arch_initcall(pic32_gpio_register);
drivers/pinctrl/pinctrl-pic32.c:arch_initcall(pic32_pinctrl_register);
drivers/pinctrl/pinctrl-pistachio.c:arch_initcall(pistachio_pinctrl_register);
drivers/pinctrl/pinctrl-rockchip.c:postcore_initcall(rockchip_pinctrl_drv_register);
drivers/pinctrl/pinctrl-rza1.c:core_initcall(rza1_pinctrl_init);
drivers/pinctrl/pinctrl-st.c:arch_initcall(st_pctl_init);
drivers/pinctrl/pinctrl-sx150x.c:subsys_initcall(sx150x_init);
drivers/pinctrl/pinctrl-u300.c:arch_initcall(u300_pmx_init);
drivers/pinctrl/pinctrl-xway.c:core_initcall_sync(pinmux_xway_init);
drivers/pinctrl/pinctrl-zynq.c:arch_initcall(zynq_pinctrl_init);


--
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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