From: Bich HEMON <bich.hemon@st.com>
To: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre TORGUE <alexandre.torgue@st.com>,
Pierre Yves MORDRET <pierre-yves.mordret@st.com>,
Wolfram Sang <wsa@the-dreams.de>,
"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-stm32@st-md-mailman.stormreply.com"
<linux-stm32@st-md-mailman.stormreply.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Bich HEMON <bich.hemon@st.com>
Subject: [PATCH] i2c: i2c-stm32f7: Fix SDADEL minimum formula
Date: Wed, 6 Mar 2019 15:12:16 +0000 [thread overview]
Message-ID: <1551885125-22295-1-git-send-email-bich.hemon@st.com> (raw)
From: Nicolas Le Bayon <nicolas.le.bayon@st.com>
It conforms with Reference Manual I2C timing section.
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Signed-off-by: Bich Hemon <bich.hemon@st.com>
---
drivers/i2c/busses/i2c-stm32f7.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 13e1213..4284fc9 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -432,7 +432,7 @@ static int stm32f7_i2c_compute_timing(struct stm32f7_i2c_dev *i2c_dev,
STM32F7_I2C_ANALOG_FILTER_DELAY_MAX : 0);
dnf_delay = setup->dnf * i2cclk;
- sdadel_min = setup->fall_time - i2c_specs[setup->speed].hddat_min -
+ sdadel_min = i2c_specs[setup->speed].hddat_min + setup->fall_time -
af_delay_min - (setup->dnf + 3) * i2cclk;
sdadel_max = i2c_specs[setup->speed].vddat_max - setup->rise_time -
--
1.9.1
next reply other threads:[~2019-03-06 15:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-06 15:12 Bich HEMON [this message]
2019-03-07 8:29 ` [PATCH] i2c: i2c-stm32f7: Fix SDADEL minimum formula Pierre Yves MORDRET
2019-03-09 10:13 ` Wolfram Sang
2019-03-09 10:50 ` Wolfram Sang
2019-03-11 9:34 ` Bich HEMON
2019-03-12 13:00 ` Wolfram Sang
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=1551885125-22295-1-git-send-email-bich.hemon@st.com \
--to=bich.hemon@st.com \
--cc=alexandre.torgue@st.com \
--cc=devicetree@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-stm32@st-md-mailman.stormreply.com \
--cc=mark.rutland@arm.com \
--cc=mcoquelin.stm32@gmail.com \
--cc=pierre-yves.mordret@st.com \
--cc=robh+dt@kernel.org \
--cc=wsa@the-dreams.de \
/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).