On 24/11/10 14:49, Alan Cox wrote: > From: Bin Yang <[email protected]> > > The old solution for i2c xfer timeout was to set timeout value to one second > for all i2c xfers. That's not reasonable for all of the various speed modes > and data lengths. > > This patch sets the xfer_read timeout value based on both bus speed and data > length. > > Signed-off-by: Bin Yang <[email protected]> > [Ported to the upstream branch and extracted as a helper function] > Signed-off-by: Alan Cox <[email protected]> > --- > > drivers/i2c/busses/i2c-intel-mid.c | 31 +++++++++++++++++++++++++++---- > 1 files changed, 27 insertions(+), 4 deletions(-) > > > diff --git a/drivers/i2c/busses/i2c-intel-mid.c > b/drivers/i2c/busses/i2c-intel-mid.c > index bdf17da..b39abd8 100644 > --- a/drivers/i2c/busses/i2c-intel-mid.c > +++ b/drivers/i2c/busses/i2c-intel-mid.c > @@ -303,6 +303,29 @@ static int ctl_num = 6; > module_param_array(speed_mode, int, &ctl_num, S_IRUGO); > MODULE_PARM_DESC(speed_mode, "Set the speed of the i2c interface (0-2)");
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