linux-kernel - RE: [PATCH -next v2 1/2] ARM: imx: add missing iounmap()

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Message-ID: <DB9PR04MB84778C8658880848D18AE2F4800E9@DB9PR04MB8477.eurprd04.prod.outlook.com>
Date:   Thu, 17 Jun 2021 12:20:02 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     Yang Yingliang <yangyingliang@...wei.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        dl-linux-imx <linux-imx@....com>
CC:     "shawnguo@...nel.org" <shawnguo@...nel.org>
Subject: RE: [PATCH -next v2 1/2] ARM: imx: add missing iounmap()

> From: Yang Yingliang <yangyingliang@...wei.com>
> Sent: Tuesday, June 15, 2021 8:53 PM
> Subject: [PATCH -next v2 1/2] ARM: imx: add missing iounmap()
> 
> Commit e76bdfd7403a ("ARM: imx: Added perf functionality to mmdc driver")
> introduced imx_mmdc_remove(), the mmdc_base need be unmapped in it if
> config PERF_EVENTS is enabled.
> 
> If imx_mmdc_perf_init() fails, the mmdc_base also need be unmapped.
> 
> Fixes: e76bdfd7403a ("ARM: imx: Added perf functionality to mmdc driver")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>

Reviewed-by: Dong Aisheng <aisheng.dong@....com>

Regards
Aisheng