From: khilman@ti•com (Kevin Hilman)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCHv9 09/10] I2C: OMAP: Do not set the XUDF(Transmit underflow) if the underflow is not reached
Date: Fri, 25 May 2012 15:09:23 -0700 [thread overview]
Message-ID: <878vgfkj58.fsf@ti.com> (raw)
In-Reply-To: <1335969135-20858-10-git-send-email-shubhrajyoti@ti.com> (Shubhrajyoti D.'s message of "Wed, 2 May 2012 20:02:14 +0530")
Shubhrajyoti D <shubhrajyoti@ti•com> writes:
> Currently in the 1.153 errata handling while waiting for transmitter
> underflow if NACK is got the XUDF(Transmit underflow) flag is also set.
-EOVERFLOW
This sentence needs a rewrite and some punctuation. It does not read well.
> The flag is set after wait for the condition is over.
>
> Cc: Alexander Shishkin <virtuoso@slind•org>
> Acked-by: Moiz Sonasath <m-sonasath@ti•com>
> Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti•com>
> ---
> 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 43b0efb..c0aa16b 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -730,7 +730,6 @@ 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;
> }
>
> @@ -743,6 +742,7 @@ static int errata_omap3_1p153(struct omap_i2c_dev *dev, u16 *stat, int *err)
> return 0;
> }
>
> + *err |= OMAP_I2C_STAT_XUDF;
> return 0;
> }
Kevin
next prev parent reply other threads:[~2012-05-25 22:09 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-02 14:32 [PATCHv9 00/10] I2C fixes Shubhrajyoti D
2012-05-02 14:32 ` [PATCHv9 01/10] I2C: OMAP: make omap_i2c_unidle/idle functions depend on CONFIG_PM_RUNTIME Shubhrajyoti D
2012-05-02 14:32 ` [PATCHv9 02/10] I2C: OMAP: Fix the mismatch of pm_runtime enable and disable Shubhrajyoti D
2012-05-25 21:57 ` Kevin Hilman
2012-05-28 9:59 ` Shubhrajyoti
2012-05-02 14:32 ` [PATCHv9 03/10] I2C: OMAP: Fix the interrupt clearing in OMAP4 Shubhrajyoti D
2012-05-02 14:32 ` [PATCHv9 04/10] I2C: OMAP: Prevent the register access after pm_runtime_put in probe Shubhrajyoti D
2012-05-02 14:32 ` [PATCHv9 05/10] I2C: OMAP: Don't check if wait_for_completion_timeout() returns less than zero Shubhrajyoti D
2012-05-02 14:32 ` [PATCHv9 06/10] I2C: OMAP: Fix the crash in i2c remove Shubhrajyoti D
2012-05-12 18:10 ` Wolfram Sang
2012-05-14 11:26 ` Shubhrajyoti
2012-05-25 21:51 ` Kevin Hilman
2012-05-02 14:32 ` [PATCHv9 07/10] I2C: OMAP: Handle error check for pm runtime Shubhrajyoti D
2012-05-25 22:06 ` Kevin Hilman
2012-05-28 11:22 ` Shubhrajyoti
2012-05-02 14:32 ` [PATCHv9 08/10] I2C: OMAP: prevent the overwrite of the errata flags Shubhrajyoti D
2012-05-02 14:32 ` [PATCHv9 09/10] I2C: OMAP: Do not set the XUDF(Transmit underflow) if the underflow is not reached Shubhrajyoti D
2012-05-25 22:09 ` Kevin Hilman [this message]
2012-05-02 14:32 ` [PATCHv9 10/10] I2C: OMAP: Rename the 1p153 to the erratum id i462 Shubhrajyoti D
2012-05-12 18:10 ` [PATCHv9 00/10] I2C fixes Wolfram Sang
2012-05-25 22:13 ` Kevin Hilman
2012-05-28 9:52 ` Shubhrajyoti
2012-05-25 23:40 ` Kevin Hilman
2012-05-28 9:54 ` Shubhrajyoti
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