Re: [PATCH v2] i2c-eg20t: Rework pch_i2c_wait_for_bus_idle toreduce wait time

[Wolfram Sang]

On Mon, Feb 20, 2012 at 09:14:16AM +0100, Alexander Stein wrote:
> If you insert several i2c transfers, the driver might start the next one
> while the STOP bit of the previous transfer is still on the bus, marking
> the bus as busy.
> pch_i2c_wait_for_bus_idle does an msleep(20) delaying the next transfer
> by >=20ms. Reduce wait time by actively waiting 5 us once, then using
> usleep_range.
> 
> Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>

Tomoya, are you happy with it? (I hope he reads the list, since his
companies mailserver doesn't seem to accept my mails).

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

Attachment: signature.asc
Description: Digital signature