From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shubhrajyoti D Subject: [PATCHv7 17/18] I2C: OMAP: Do not set the XUDF if the underflow is not reached Date: Wed, 11 Apr 2012 16:22:28 +0530 Message-ID: <1334141549-8288-18-git-send-email-shubhrajyoti@ti.com> References: <1334141549-8288-1-git-send-email-shubhrajyoti@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1334141549-8288-1-git-send-email-shubhrajyoti-l0cyMroinI0@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org, tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org, w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, Shubhrajyoti D , Alexander Shishkin List-Id: linux-i2c@vger.kernel.org Currently in the 1.153 errata handling while waiting for transmitter underflow if NACK is got the XUDF flag is also set. The flag is set after wait for the condition is over. Cc: Alexander Shishkin Acked-by: Moiz Sonasath Signed-off-by: Shubhrajyoti D --- drivers/i2c/busses/i2c-omap.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 7489eb6..2bf8120 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -765,7 +765,6 @@ static int errata_omap3_1p153(struct omap_i2c_dev *dev, u16 *stat, int *err) if (*stat & (OMAP_I2C_STAT_NACK | OMAP_I2C_STAT_AL)) { omap_i2c_ack_stat(dev, *stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR)); - *err |= OMAP_I2C_STAT_XUDF; return -ETIMEDOUT; } @@ -778,6 +777,7 @@ static int errata_omap3_1p153(struct omap_i2c_dev *dev, u16 *stat, int *err) return 0; } + *err |= OMAP_I2C_STAT_XUDF; return 0; } -- 1.7.4.1