From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Kochetkov Subject: [RFC 1/5] i2c: omap: ack only reported events Date: Wed, 3 Dec 2014 18:33:58 +0400 Message-ID: <1417617242-16869-2-git-send-email-al.kochet@gmail.com> References: <1417617242-16869-1-git-send-email-al.kochet@gmail.com> Return-path: In-Reply-To: <1417617242-16869-1-git-send-email-al.kochet@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Kevin Hilman , Tony Lindgren , Felipe Balbi , Wolfram Sang , Alexander Kochetkov Cc: linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-i2c@vger.kernel.org Signed-off-by: Alexander Kochetkov --- drivers/i2c/busses/i2c-omap.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 4563200..53b4234 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1059,7 +1059,11 @@ omap_i2c_isr_thread(int this_irq, void *dev_id) if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK | OMAP_I2C_STAT_AL)) { - omap_i2c_ack_stat(dev, (OMAP_I2C_STAT_RRDY | + /* + * These are pending events not handled in time + * due to ISR latency. + */ + omap_i2c_ack_stat(dev, stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR | OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR | -- 1.7.9.5