From: "Wenbin Mei (梅文彬)" <Wenbin.Mei@mediatek.com>
To: "ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
"amergnat@baylibre.com" <amergnat@baylibre.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mediatek@lists.infradead.org"
<linux-mediatek@lists.infradead.org>,
"asutoshd@codeaurora.org" <asutoshd@codeaurora.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"riteshh@codeaurora.org" <riteshh@codeaurora.org>,
"Chaotian Jing (井朝天)" <Chaotian.Jing@mediatek.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"matthias.bgg@gmail.com" <matthias.bgg@gmail.com>,
"angelogioacchino.delregno@collabora.com"
<angelogioacchino.delregno@collabora.com>,
"adrian.hunter@intel.com" <adrian.hunter@intel.com>
Subject: Re: [PATCH v4] mmc: mtk-sd: reduce CIT for better performance
Date: Tue, 6 Jun 2023 01:33:31 +0000 [thread overview]
Message-ID: <e88977a984d8ebf8eab8947d6a9308c7f2f3a533.camel@mediatek.com> (raw)
In-Reply-To: <0e7cc4cf-68da-207d-03b5-f9bd065f7940@baylibre.com>
On Mon, 2023-06-05 at 15:46 +0200, Alexandre Mergnat wrote:
>
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> On 05/06/2023 14:14, Wenbin Mei wrote:
> > CQHCI_SSC1 indicates to CQE the polling period to use when using
> periodic
> > SEND_QUEUE_STATUS(CMD13) polling.
> > Since MSDC CQE uses msdc_hclk as ITCFVAL, so driver should use hclk
> > frequency to get the actual time.
> > The default value 0x1000 that corresponds to 150us for MediaTek
> SoCs, let's
> > decrease it to 0x40 that corresponds to 2.35us, which can improve
> the
> > performance of some eMMC devices.
>
> Hi,
>
> - Can you add the version change log and the link to the previous
> patch version (at least) please ?
>
> - On which board(s) did you test this patch please ?
>
Thanks for your reminder.
I will add the version change log and the link.
We test this patch on our demo board.
Begards,
Wenbin
> --
> Regards,
> Alexandre
>
next prev parent reply other threads:[~2023-06-06 1:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-05 12:14 Wenbin Mei
2023-06-05 13:22 ` AngeloGioacchino Del Regno
2023-06-06 1:26 ` Wenbin Mei (梅文彬)
2023-06-05 13:46 ` Alexandre Mergnat
2023-06-06 1:33 ` Wenbin Mei (梅文彬) [this message]
2023-06-06 7:46 ` AngeloGioacchino Del Regno
2023-06-06 7:57 ` Wenbin Mei (梅文彬)
2023-06-06 8:58 ` Adrian Hunter
2023-06-06 11:03 ` Wenbin Mei (梅文彬)
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=e88977a984d8ebf8eab8947d6a9308c7f2f3a533.camel@mediatek.com \
--to=wenbin.mei@mediatek.com \
--cc=Chaotian.Jing@mediatek.com \
--cc=adrian.hunter@intel.com \
--cc=amergnat@baylibre.com \
--cc=angelogioacchino.delregno@collabora.com \
--cc=asutoshd@codeaurora.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=linux-mmc@vger.kernel.org \
--cc=matthias.bgg@gmail.com \
--cc=riteshh@codeaurora.org \
--cc=ulf.hansson@linaro.org \
/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
all inboxes | Powered by JetHome®