From: Bean Huo <huobean@gmail.com>
To: Can Guo <cang@codeaurora.org>
Cc: alim.akhtar@samsung.com, avri.altman@wdc.com,
asutoshd@codeaurora.org, jejb@linux.ibm.com,
martin.petersen@oracle.com, stanley.chu@mediatek.com,
beanhuo@micron.com, bvanassche@acm.org, tomas.winkler@intel.com,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] scsi: ufs: Keep device power on only fWriteBoosterBufferFlushDuringHibernate == 1
Date: Fri, 04 Dec 2020 09:28:57 +0100 [thread overview]
Message-ID: <2a682e702de6eb431c7f204962d3e54b67dbd2ff.camel@gmail.com> (raw)
In-Reply-To: <c4e810873ac9e15735369d0159fbb664@codeaurora.org>
On Fri, 2020-12-04 at 11:26 +0800, Can Guo wrote:
> >
> > if (!ufshcd_is_wb_allowed(hba))
> > return false;
> > +
> > + if (!hba->dev_info.is_hibern8_wb_flush)
> > + return false;
>
> The check is in the wrong place - even if say
> fWriteBoosterBufferFlushDuringHibernate is failed to be enabled,
> ufshcd_wb_need_flush() still needs to reflect the fact that whether
> the wb buffer needs to be flushed or not - it should not be decided
> by the flag.
>
Can,
you are right, let me take it out from this function, and see if
acceptable.
Thanks,
Bean
> Thanks,
>
> Can Guo.
next prev parent reply other threads:[~2020-12-04 8:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 18:11 [PATCH 0/3] Three changes for UFS WriteBooster Bean Huo
2020-11-30 18:11 ` [PATCH 1/3] scsi: ufs: Add "wb_on" sysfs node to control WB on/off Bean Huo
2020-11-30 23:19 ` Asutosh Das (asd)
2020-12-02 16:20 ` Bean Huo
2020-12-02 17:58 ` Asutosh Das (asd)
2020-11-30 18:11 ` [PATCH 2/3] scsi: ufs: Keep device power on only fWriteBoosterBufferFlushDuringHibernate == 1 Bean Huo
[not found] ` <BY5PR04MB6599826730BD3FB0E547E60587F30@BY5PR04MB6599.namprd04.prod.outlook.com>
2020-12-03 7:27 ` Avri Altman
2020-12-03 9:36 ` Bean Huo
2020-12-03 9:40 ` Bean Huo
2020-12-03 10:46 ` Avri Altman
2020-12-03 11:45 ` Bean Huo
2020-12-03 12:15 ` Avri Altman
2020-12-03 12:31 ` Bean Huo
2020-12-04 3:26 ` Can Guo
2020-12-04 8:28 ` Bean Huo [this message]
2020-11-30 18:11 ` [PATCH 3/3] scsi: ufs: Changes comment in the function ufshcd_wb_probe() Bean Huo
2020-12-04 3:27 ` Can Guo
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