linux-kernel - Re: [PATCH 2/2] mmc: block: Update ext_csd.cache

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Date:   Fri, 2 Apr 2021 07:59:03 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     "adrian.hunter@...el.com" <adrian.hunter@...el.com>
CC:     Avri Altman <Avri.Altman@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>
Subject: Re: [PATCH 2/2] mmc: block: Update ext_csd.cache_ctrl if it was
 written

>> @@ -571,6 +571,14 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
>>  		main_md->part_curr = value & EXT_CSD_PART_CONFIG_ACC_MASK;
>>  	}
>>  
>> +	/* Make sure to update CACHE_CTRL in case it was changed */

> It might be worth noting that the cache will get turned back
> on if the card is re-initialized, for example suspend/resume or
> hw reset in recovery.
Done.

Thanks,
Avri