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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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  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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