Message ID | 1543893119-3716-1-git-send-email-Anson.Huang@nxp.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [V2] ARM: imx: update the cpu power up timing setting on i.mx6sx | expand |
On Tue, Dec 04, 2018 at 03:17:45AM +0000, Anson Huang wrote: > The sw2iso count should cover ARM LDO ramp-up time, > the MAX ARM LDO ramp-up time may be up to more than > 100us on some boards, this patch sets sw2iso to 0xf > (~384us) which is the reset value, and it is much > more safe to cover different boards, since we have > observed that some customer boards failed with current > setting of 0x2. > > Fixes: 05136f0897b5 ("ARM: imx: support arm power off in cpuidle for i.mx6sx") > Signed-off-by: Anson Huang <Anson.Huang@nxp.com> > Reviewed-by: Fabio Estevam <festevam@gmail.com> Applied, thanks.
diff --git a/arch/arm/mach-imx/cpuidle-imx6sx.c b/arch/arm/mach-imx/cpuidle-imx6sx.c index 243a108..fd0053e 100644 --- a/arch/arm/mach-imx/cpuidle-imx6sx.c +++ b/arch/arm/mach-imx/cpuidle-imx6sx.c @@ -110,7 +110,7 @@ int __init imx6sx_cpuidle_init(void) * except for power up sw2iso which need to be * larger than LDO ramp up time. */ - imx_gpc_set_arm_power_up_timing(2, 1); + imx_gpc_set_arm_power_up_timing(0xf, 1); imx_gpc_set_arm_power_down_timing(1, 1); return cpuidle_register(&imx6sx_cpuidle_driver, NULL);