From: Jan Luebbe <jluebbe@debian.org>
To: barebox@lists.infradead.org
Subject: [PATCH v2 2/6] i2c-omap: clear ARDY twice
Date: Thu, 30 Jul 2015 16:52:07 +0200 [thread overview]
Message-ID: <1438267931-22374-3-git-send-email-jluebbe@debian.org> (raw)
In-Reply-To: <1438267931-22374-1-git-send-email-jluebbe@debian.org>
This implements the fix from the kernel commit
4cdbf7d346e7461c3b93a26707c852e2c9db3753.
Signed-off-by: Jan Luebbe <jluebbe@debian.org>
---
drivers/i2c/busses/i2c-omap.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 330db98..58d2ec9 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -673,6 +673,10 @@ omap_i2c_isr(struct omap_i2c_struct *dev)
/*
* ProDB0017052: Clear ARDY bit twice
*/
+ if (stat & OMAP_I2C_STAT_ARDY)
+ omap_i2c_ack_stat(dev, OMAP_I2C_STAT_ARDY);
+
+
if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK |
OMAP_I2C_STAT_AL)) {
omap_i2c_ack_stat(dev, (OMAP_I2C_STAT_RRDY |
--
2.1.4
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next prev parent reply other threads:[~2015-07-30 14:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-30 14:52 [PATCH v2 0/6] i2c: add bus recovery infrastructure Jan Luebbe
2015-07-30 14:52 ` [PATCH v2 1/6] " Jan Luebbe
2015-07-30 14:52 ` Jan Luebbe [this message]
2015-07-30 14:52 ` [PATCH v2 3/6] i2c-omap: add bus recovery support Jan Luebbe
2015-07-30 14:52 ` [PATCH v2 4/6] i2c: algo-bit: fix debug code Jan Luebbe
2015-07-30 14:52 ` [PATCH v2 5/6] i2c: algo-bit: check if the bus is busy Jan Luebbe
2015-07-30 14:52 ` [PATCH v2 6/6] i2c: gpio: add bus recovery support Jan Luebbe
2015-07-31 7:29 ` [PATCH v2 0/6] i2c: add bus recovery infrastructure Sascha Hauer
2015-08-03 9:20 ` Sascha Hauer
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