From: Sowjanya Komatineni <skomatineni@nvidia.com>
To: thierry.reding@gmail.com, jonathanh@nvidia.com, talho@nvidia.com,
skomatineni@nvidia.com
Cc: wsa@the-dreams.de, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org
Subject: [PATCH V5 1/2] i2c: tegra: remove master fifo support on tegra186
Date: Tue, 19 Feb 2019 09:28:51 -0800 [thread overview]
Message-ID: <1550597332-21018-1-git-send-email-skomatineni@nvidia.com> (raw)
Tegra186 does not have master FIFO control register and instead
uses FIFO control register like prior Tegra chipset.
This patch fixes this and prevents crashing during boot when
accessing FIFO control registers.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
---
drivers/i2c/busses/i2c-tegra.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index a4cd79c9f7a7..e6851904acc1 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -1436,7 +1436,7 @@ static const struct tegra_i2c_hw_feature tegra186_i2c_hw = {
.has_config_load_reg = true,
.has_multi_master_mode = true,
.has_slcg_override_reg = true,
- .has_mst_fifo = true,
+ .has_mst_fifo = false,
.quirks = &tegra_i2c_quirks,
.supports_bus_clear = true,
.has_apb_dma = false,
--
2.7.4
next reply other threads:[~2019-02-19 17:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-19 17:28 Sowjanya Komatineni [this message]
2019-02-19 17:28 ` [PATCH V5 2/2] i2c: tegra: remove multi-master support Sowjanya Komatineni
2019-02-23 9:29 ` Wolfram Sang
2019-02-23 9:29 ` [PATCH V5 1/2] i2c: tegra: remove master fifo support on tegra186 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=1550597332-21018-1-git-send-email-skomatineni@nvidia.com \
--to=skomatineni@nvidia.com \
--cc=jonathanh@nvidia.com \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tegra@vger.kernel.org \
--cc=talho@nvidia.com \
--cc=thierry.reding@gmail.com \
--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