Re: [PATCH v2 1/2] i2c: piix4: Use usleep_range()

2018-03-02 Thread Wolfram Sang
On Mon, Feb 26, 2018 at 12:46:52PM -0800, Guenter Roeck wrote: > The piix4 i2c driver is extremely slow. Replacing msleep() > with usleep_range() increases its speed substantially. > Use sleep ranges similar to those used in the i2c-801 driver > to keep things simple. > > Signed-off-by: Guenter

Re: [PATCH v2 1/2] i2c: piix4: Use usleep_range()

2018-03-02 Thread Wolfram Sang
On Mon, Feb 26, 2018 at 12:46:52PM -0800, Guenter Roeck wrote: > The piix4 i2c driver is extremely slow. Replacing msleep() > with usleep_range() increases its speed substantially. > Use sleep ranges similar to those used in the i2c-801 driver > to keep things simple. > > Signed-off-by: Guenter

Re: [PATCH v2 1/2] i2c: piix4: Use usleep_range()

2018-03-01 Thread Jean Delvare
On Mon, 26 Feb 2018 12:46:52 -0800, Guenter Roeck wrote: > The piix4 i2c driver is extremely slow. Replacing msleep() > with usleep_range() increases its speed substantially. > Use sleep ranges similar to those used in the i2c-801 driver > to keep things simple. > > Signed-off-by: Guenter Roeck

Re: [PATCH v2 1/2] i2c: piix4: Use usleep_range()

2018-03-01 Thread Jean Delvare
On Mon, 26 Feb 2018 12:46:52 -0800, Guenter Roeck wrote: > The piix4 i2c driver is extremely slow. Replacing msleep() > with usleep_range() increases its speed substantially. > Use sleep ranges similar to those used in the i2c-801 driver > to keep things simple. > > Signed-off-by: Guenter Roeck