linux-kernel - RE: [PATCH 2/2] firmware: imx: MU IRQ group number should be 7

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Date:   Fri, 24 Apr 2020 02:32:32 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     Anson Huang <anson.huang@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "ben.dooks@...ethink.co.uk" <ben.dooks@...ethink.co.uk>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH 2/2] firmware: imx: MU IRQ group number should be 7

> From: Anson Huang <Anson.Huang@....com>
> Sent: Friday, April 24, 2020 7:07 AM
> 
> The MU IRQ group number should be 7 instead of 4.
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>

Are we using others IRQ group?
If not, this change may slow down the irq handling speed.

Regards
Aisheng

> ---
>  drivers/firmware/imx/imx-scu-irq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/firmware/imx/imx-scu-irq.c
> b/drivers/firmware/imx/imx-scu-irq.c
> index d9dcc20..66fef88 100644
> --- a/drivers/firmware/imx/imx-scu-irq.c
> +++ b/drivers/firmware/imx/imx-scu-irq.c
> @@ -14,7 +14,7 @@
> 
>  #define IMX_SC_IRQ_FUNC_ENABLE	1
>  #define IMX_SC_IRQ_FUNC_STATUS	2
> -#define IMX_SC_IRQ_NUM_GROUP	4
> +#define IMX_SC_IRQ_NUM_GROUP	7
> 
>  static u32 mu_resource_id;
> 
> --
> 2.7.4