linux-kernel - Re: [PATCH] ARC: HSDK: improve reset driver

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Message-ID: <1536679502.5041.21.camel@synopsys.com>
Date:   Tue, 11 Sep 2018 15:25:02 +0000
From:   Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
To:     "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Alexey Brodkin" <Alexey.Brodkin@...opsys.com>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>
Subject: Re: [PATCH] ARC: HSDK: improve reset driver

Hi Philipp,

Maybe you have any comments or remarks about this patch? And if you don't could you please apply it.
Thanks!

On Mon, 2018-08-27 at 17:38 +0300, Eugeniy Paltsev wrote:
> As for today HSDK reset driver implements only
> .reset() callback.
> 
> In case of driver which implements one of standard
> reset controller usage pattern
> (call *_deassert() in probe(), call *_assert() in remove())
> that leads to inoperability of this reset driver.
> 
> Improve HSDK reset driver by calling .reset() callback inside of
> .assert()/.deassert() callbacks to avoid each reset controller
> user adaptation for work with both reset methods
> (reset() and .assert()/.deassert() pair)
> 
> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
> ---
>  drivers/reset/reset-hsdk.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/reset/reset-hsdk.c b/drivers/reset/reset-hsdk.c
> index 8bce391c6943..1fd91df91343 100644
> --- a/drivers/reset/reset-hsdk.c
> +++ b/drivers/reset/reset-hsdk.c
> @@ -86,6 +86,8 @@ static int hsdk_reset_reset(struct reset_controller_dev *rcdev,
>  
>  static const struct reset_control_ops hsdk_reset_ops = {
>  	.reset	= hsdk_reset_reset,
> +	.assert = hsdk_reset_reset,
> +	.deassert = hsdk_reset_reset,
>  };
>  
>  static int hsdk_reset_probe(struct platform_device *pdev)
-- 
 Eugeniy Paltsev