linux-kernel - Re: [PATCH] clk: imx: pll14xx: fix clk_pll14xx_wait

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Message-ID: <20191106074500.vwihbt6s4dwqyun7@fsr-ub1664-175>
Date:   Wed, 6 Nov 2019 07:45:01 +0000
From:   Abel Vesa <abel.vesa@....com>
To:     Peng Fan <peng.fan@....com>
CC:     "sboyd@...nel.org" <sboyd@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        dl-linux-imx <linux-imx@....com>,
        Aisheng Dong <aisheng.dong@....com>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Leonard Crestez <leonard.crestez@....com>
Subject: Re: [PATCH] clk: imx: pll14xx: fix clk_pll14xx_wait_lock

On 19-11-06 05:31:15, Peng Fan wrote:
> From: Peng Fan <peng.fan@....com>
> 
> The usage of readl_poll_timeout is wrong, the cond should be
> "val & LOCK_STATUS" not "val & LOCK_TIMEOUT_US".
> 
> Fixes: 8646d4dcc7fb ("clk: imx: Add PLLs driver for imx8mm soc")
> Signed-off-by: Peng Fan <peng.fan@....com>

Reviewed-by: Abel Vesa <abel.vesa@....com>

> ---
> 
> V1:
>  Hi Shawn,
>    This patch is made based on 5.4-rc6, not your for-next branch,
>    not sure whether this patch could catch 5.4 release.
> 
>  drivers/clk/imx/clk-pll14xx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c
> index 7a815ec76aa5..d43b4a3c0de8 100644
> --- a/drivers/clk/imx/clk-pll14xx.c
> +++ b/drivers/clk/imx/clk-pll14xx.c
> @@ -153,7 +153,7 @@ static int clk_pll14xx_wait_lock(struct clk_pll14xx *pll)
>  {
>  	u32 val;
>  
> -	return readl_poll_timeout(pll->base, val, val & LOCK_TIMEOUT_US, 0,
> +	return readl_poll_timeout(pll->base, val, val & LOCK_STATUS, 0,
>  			LOCK_TIMEOUT_US);
>  }
>  
> -- 
> 2.16.4
>