From: Avri Altman <Avri.Altman@wdc.com>
To: Stanley Chu <stanley.chu@mediatek.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"alim.akhtar@samsung.com" <alim.akhtar@samsung.com>,
"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
"beanhuo@micron.com" <beanhuo@micron.com>
Cc: "bvanassche@acm.org" <bvanassche@acm.org>,
"andy.teng@mediatek.com" <andy.teng@mediatek.com>,
"chun-hung.wu@mediatek.com" <chun-hung.wu@mediatek.com>,
"kuohong.wang@mediatek.com" <kuohong.wang@mediatek.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"cang@codeaurora.org" <cang@codeaurora.org>,
"linux-mediatek@lists.infradead.org"
<linux-mediatek@lists.infradead.org>,
"peter.wang@mediatek.com" <peter.wang@mediatek.com>,
"matthias.bgg@gmail.com" <matthias.bgg@gmail.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"asutoshd@codeaurora.org" <asutoshd@codeaurora.org>
Subject: RE: [PATCH RESEND v3 4/4] scsi: ufs-mediatek: gate ref-clk during Auto-Hibern8
Date: Fri, 31 Jan 2020 18:48:19 +0000 [thread overview]
Message-ID: <MN2PR04MB699108FC14777CC364522069FC070@MN2PR04MB6991.namprd04.prod.outlook.com> (raw)
In-Reply-To: <20200129105251.12466-5-stanley.chu@mediatek.com>
>
> +static u32 ufs_mtk_link_get_state(struct ufs_hba *hba)
> +{
> + u32 val;
> +
> + ufshcd_writel(hba, 0x20, REG_UFS_DEBUG_SEL);
> + val = ufshcd_readl(hba, REG_UFS_PROBE);
> + val = val >> 28;
> +
> + return val;
> +}
A little bit strange that you are relying on debug registers to setup your ref-clock.
Is this this debug info is always available?
Thanks,
Avri
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2020-01-31 18:48 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-29 10:52 [PATCH RESEND v3 0/4] MediaTek UFS vendor implemenation part III and Auto-Hibern8 fix Stanley Chu
2020-01-29 10:52 ` [PATCH RESEND v3 1/4] scsi: ufs-mediatek: ensure UniPro is not powered down before linkup Stanley Chu
2020-01-30 17:45 ` [EXT] " Bean Huo (beanhuo)
2020-01-29 10:52 ` [PATCH RESEND v3 2/4] scsi: ufs-mediatek: support linkoff state during suspend Stanley Chu
2020-01-30 17:46 ` [EXT] " Bean Huo (beanhuo)
2020-01-29 10:52 ` [PATCH RESEND v3 3/4] scsi: ufs: fix Auto-Hibern8 error detection Stanley Chu
2020-01-29 18:18 ` Asutosh Das (asd)
2020-02-05 2:26 ` Can Guo
2020-01-29 10:52 ` [PATCH RESEND v3 4/4] scsi: ufs-mediatek: gate ref-clk during Auto-Hibern8 Stanley Chu
2020-01-30 17:46 ` [EXT] " Bean Huo (beanhuo)
2020-01-31 18:48 ` Avri Altman [this message]
2020-02-01 1:45 ` Stanley Chu
2020-02-02 14:38 ` [PATCH RESEND v3 0/4] MediaTek UFS vendor implemenation part III and Auto-Hibern8 fix Alim Akhtar
2020-02-05 2:10 ` Martin K. Petersen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=MN2PR04MB699108FC14777CC364522069FC070@MN2PR04MB6991.namprd04.prod.outlook.com \
--to=avri.altman@wdc.com \
--cc=alim.akhtar@samsung.com \
--cc=andy.teng@mediatek.com \
--cc=asutoshd@codeaurora.org \
--cc=beanhuo@micron.com \
--cc=bvanassche@acm.org \
--cc=cang@codeaurora.org \
--cc=chun-hung.wu@mediatek.com \
--cc=jejb@linux.ibm.com \
--cc=kuohong.wang@mediatek.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=linux-scsi@vger.kernel.org \
--cc=martin.petersen@oracle.com \
--cc=matthias.bgg@gmail.com \
--cc=peter.wang@mediatek.com \
--cc=stanley.chu@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).