linux-kernel - Re: [PATCH V2] soc: imx: imx8m-blk-ctrl: Fix IMX8MN_DISPBLK_PD

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Message-ID: <73570ee11ddbbda96463e8fad3ad533c83716782.camel@pengutronix.de>
Date:   Mon, 21 Mar 2022 11:58:15 +0100
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Adam Ford <aford173@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     aford@...conembedded.com, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] soc: imx: imx8m-blk-ctrl: Fix IMX8MN_DISPBLK_PD_ISI
 hang

Am Sonntag, dem 20.03.2022 um 15:52 -0500 schrieb Adam Ford:
> The imx8mn clock list for the ISI lists four clocks, but DOMAIN_MAX_CLKS
> was set to 3.  Because of this, attempts to enable the fourth clock failed,
> threw some splat, and ultimately hung.
> 
> Fixes: 7f511d514e8c ("soc: imx: imx8m-blk-ctrl: add i.MX8MN DISP blk-ctrl")
> Signed-off-by: Adam Ford <aford173@...il.com>

Reviewed-by: Lucas Stach <l.stach@...gutronix.de>
> 
> diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c
> index a0a0d2d7ca4a..7109f0d508e2 100644
> --- a/drivers/soc/imx/imx8m-blk-ctrl.c
> +++ b/drivers/soc/imx/imx8m-blk-ctrl.c
> @@ -50,7 +50,7 @@ struct imx8m_blk_ctrl_domain_data {
>  	u32 mipi_phy_rst_mask;
>  };
>  
> -#define DOMAIN_MAX_CLKS 3
> +#define DOMAIN_MAX_CLKS 4
>  
>  struct imx8m_blk_ctrl_domain {
>  	struct generic_pm_domain genpd;