From: Alexander Kochetkov <al.kochet@gmail.com>
To: Kevin Hilman <khilman@kernel.org>,
Tony Lindgren <tony@atomide.com>, Felipe Balbi <balbi@ti.com>,
Wolfram Sang <wsa@the-dreams.de>,
Alexander Kochetkov <al.kochet@gmail.com>
Cc: linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [RFC 1/5] i2c: omap: ack only reported events
Date: Wed, 3 Dec 2014 18:33:58 +0400 [thread overview]
Message-ID: <1417617242-16869-2-git-send-email-al.kochet@gmail.com> (raw)
In-Reply-To: <1417617242-16869-1-git-send-email-al.kochet@gmail.com>
Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
---
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
next prev parent reply other threads:[~2014-12-03 14:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-03 14:33 [RFC 0/5] i2c: omap: new fixes 2 Alexander Kochetkov
2014-12-03 14:33 ` Alexander Kochetkov [this message]
2014-12-03 14:33 ` [RFC 2/5] i2c: omap: simplify i462 errata handling for NACK and AL cases Alexander Kochetkov
2014-12-03 14:34 ` [RFC 3/5] i2c: omap: move STP generation logic into ISR thread Alexander Kochetkov
2014-12-03 14:34 ` [RFC 4/5] i2c: omap: reimpelement STP hack via 2-phases transfer Alexander Kochetkov
2014-12-03 14:34 ` [RFC 5/5] i2c: omap: add trace Alexander Kochetkov
[not found] ` <1417617242-16869-6-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-12-03 14:49 ` Felipe Balbi
2014-12-03 14:52 ` Alexander Kochetkov
[not found] ` <2E40A984-A6AA-4D17-AB1D-725004EF845F-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-12-03 14:55 ` Felipe Balbi
[not found] ` <1417617242-16869-1-git-send-email-al.kochet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-12-04 18:23 ` [RFC 0/5] i2c: omap: new fixes 2 Tony Lindgren
2015-01-13 10:04 ` Wolfram Sang
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