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From: Moiz Sonasath <m-sonasath@ti.com>
To: linux-omap@vger.kernel.org
Cc: Moiz Sonasath <m-sonasath@ti.com>,
	Vikram Pandita <vikram.pandita@ti.com>
Subject: [PATCH 2/3] i2c-omap: ACK pending [R/X]DR and [R/X]RDY interrupts
Date: Mon, 17 Aug 2009 17:45:45 -0500	[thread overview]
Message-ID: <1250549146-18362-3-git-send-email-m-sonasath@ti.com> (raw)
In-Reply-To: <1250549146-18362-2-git-send-email-m-sonasath@ti.com>

ACK any pending read/write interrupts before exiting the ISR either after 
completing the operation [ARDY interrupt] or in case of an error 
[NACK|AL interrupt]

Signed-off-by: Moiz Sonasath <m-sonasath@ti.com>
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
---
 drivers/i2c/busses/i2c-omap.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 94639d0..16b39f4 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -694,6 +694,9 @@ complete:
 		}
 		if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK |
 					OMAP_I2C_STAT_AL)) {
+			omap_i2c_ack_stat(dev, stat &
+				(OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR |
+				OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR));
 			omap_i2c_complete_cmd(dev, err);
 			return IRQ_HANDLED;
 		}
-- 
1.5.6.3


  reply	other threads:[~2009-08-17 22:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-17 22:45 [PATCH 0/3] *** SUBJECT HERE *** Moiz Sonasath
2009-08-17 22:45 ` [PATCH 1/3] i2c-omap: Fix I2C status ACK Moiz Sonasath
2009-08-17 22:45   ` Moiz Sonasath [this message]
2009-08-17 22:45     ` [PATCH 3/3] i2c-omap: Enable workaround for Errata 1.153 based on Moiz Sonasath
2009-08-18  7:04       ` Paul Walmsley
  -- strict thread matches above, loose matches on Subject: below --
2009-08-20 16:21 [PATCH 0/3] i2c-omap: I2C clean-up patch Moiz Sonasath
2009-08-20 16:21 ` [PATCH 1/3] i2c-omap: Fix I2C status ACK Moiz Sonasath
2009-08-20 16:21   ` [PATCH 2/3] i2c-omap: ACK pending [R/X]DR and [R/X]RDY interrupts Moiz Sonasath
     [not found] <1250548931-18279-1-git-send-email-n>
     [not found] ` <1250548931-18279-2-git-send-email-n>
2009-08-17 22:42   ` Unknown, n

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