lkml.org 
[lkml]   [2012]   [Jun]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] i2c-i801: Clear only status bits in HST_STS after waiting for INTR
On Thu, 28 Jun 2012 16:59:30 +0800, Daniel Kurtz wrote:
> Writing back the whole status register could clear unwanted bits.
> In particular, it could clear the "INUSE_STS" bit, which is a
> 'hardware semaphore', that might be useful to use some day.
> To prepare for this, let's ban writing back the whole status to register
> HST_STS, of which this is the only instance.
>
> Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
> Reported-by: Jean Delvare <khali@linux-fr.org>
> ---
> drivers/i2c/busses/i2c-i801.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
> index ae2945a..7443990 100644
> --- a/drivers/i2c/busses/i2c-i801.c
> +++ b/drivers/i2c/busses/i2c-i801.c
> @@ -301,7 +301,7 @@ static void i801_wait_hwpec(struct i801_priv *priv)
> if (timeout > MAX_RETRIES)
> dev_dbg(&priv->pci_dev->dev, "PEC Timeout!\n");
>
> - outb_p(status, SMBHSTSTS(priv));
> + outb_p(status & STATUS_FLAGS, SMBHSTSTS(priv));
> }
>
> static int i801_block_transaction_by_block(struct i801_priv *priv,

Applied, thanks.

--
Jean Delvare


\
 
 \ /
  Last update: 2012-06-28 15:21    [W:0.032 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site