Re: [PATCH] ARM: dts: Switch i2c0 to 400kHz on rk3288-evb-rk808

2014-09-11 Thread Heiko Stübner
Am Mittwoch, 10. September 2014, 21:30:15 schrieb Doug Anderson: > We should be able to talk to the PMIC at 400kHz. No need to talk at > the slow 100kHz. > > As measured by ftrace (with a bunch of extra patches, since cpufreq > for rk808 hasn't landed yet): > before this change:

Re: [PATCH] ARM: dts: Switch i2c0 to 400kHz on rk3288-evb-rk808

2014-09-11 Thread Addy
On 11 Sep 2014 12:30, Doug Anderson writes: > We should be able to talk to the PMIC at 400kHz. No need to talk at > the slow 100kHz. > > As measured by ftrace (with a bunch of extra patches, since cpufreq > for rk808 hasn't landed yet): > before this change: cpu0_set_target() => ~500us >

Re: [PATCH] ARM: dts: Switch i2c0 to 400kHz on rk3288-evb-rk808

2014-09-11 Thread Addy
On 11 Sep 2014 12:30, Doug Anderson writes: We should be able to talk to the PMIC at 400kHz. No need to talk at the slow 100kHz. As measured by ftrace (with a bunch of extra patches, since cpufreq for rk808 hasn't landed yet): before this change: cpu0_set_target() = ~500us after this

Re: [PATCH] ARM: dts: Switch i2c0 to 400kHz on rk3288-evb-rk808

2014-09-11 Thread Heiko Stübner
Am Mittwoch, 10. September 2014, 21:30:15 schrieb Doug Anderson: We should be able to talk to the PMIC at 400kHz. No need to talk at the slow 100kHz. As measured by ftrace (with a bunch of extra patches, since cpufreq for rk808 hasn't landed yet): before this change: cpu0_set_target() =

[PATCH] ARM: dts: Switch i2c0 to 400kHz on rk3288-evb-rk808

2014-09-10 Thread Doug Anderson
We should be able to talk to the PMIC at 400kHz. No need to talk at the slow 100kHz. As measured by ftrace (with a bunch of extra patches, since cpufreq for rk808 hasn't landed yet): before this change: cpu0_set_target() => ~500us after this change: cpu0_set_target() => ~300us

[PATCH] ARM: dts: Switch i2c0 to 400kHz on rk3288-evb-rk808

2014-09-10 Thread Doug Anderson
We should be able to talk to the PMIC at 400kHz. No need to talk at the slow 100kHz. As measured by ftrace (with a bunch of extra patches, since cpufreq for rk808 hasn't landed yet): before this change: cpu0_set_target() = ~500us after this change: cpu0_set_target() = ~300us Signed-off-by: