linux-kernel - Re: [PATCH v2] i2c: pxa: move to generic GPIO recovery

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Date:   Sun, 4 Oct 2020 10:24:55 +0100
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, wsa@...nel.org,
        alpawi@...zon.com
Subject: Re: [PATCH v2] i2c: pxa: move to generic GPIO recovery

On Sun, Oct 04, 2020 at 12:16:56PM +0300, Codrin Ciubotariu wrote:
> Starting with
> commit 75820314de26 ("i2c: core: add generic I2C GPIO recovery")
> GPIO bus recovery is supported by the I2C core, so we can remove the
> driver implementation and use that one instead.
> 
> Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
> ---
> 
> This patch is not tested.
> 
> Changes in v2:
>  - readded the pinctrl state change to default from the
>    unprepare_recovery callback;

I don't think you've build tested this patch...

> diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
> index 35ca2c02c9b9..006cc1d5931f 100644
> --- a/drivers/i2c/busses/i2c-pxa.c
> +++ b/drivers/i2c/busses/i2c-pxa.c
> @@ -264,9 +264,6 @@ struct pxa_i2c {
>  	u32			hs_mask;
>  
>  	struct i2c_bus_recovery_info recovery;
> -	struct pinctrl		*pinctrl;
> -	struct pinctrl_state	*pinctrl_default;
> -	struct pinctrl_state	*pinctrl_recovery;

i2c_pxa_unprepare_recovery() refers to pinctrl and pinctrl_default which
you've retained in this version of the patch, but you've deleted the
members from this structure - which will lead to a build error.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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