2014-06-25 21:42 GMT+09:00 Vivek Gautam <gautam.vivek@xxxxxxxxxxx>: > Facilitate getting required 3.3V and 1.0V VDD supply for > EHCI controller on Exynos. > > With the patches for regulators' nodes merged in 3.15: > c8c253f ARM: dts: Add regulator entries to smdk5420 > 275dcd2 ARM: dts: add max77686 pmic node for smdk5250, > the exynos systems turn on only minimal number of regulators. > > Until now, the VDD regulator supplies were either turned on > by the bootloader, or the regulators were enabled by default > in the kernel, so that the controller drivers did not need to > care about turning on these regulators on their own. > This was rather bad about these controller drivers. > So ensuring now that the controller driver requests the necessary > VDD regulators (if available, unless there are direct VDD rails), > and enable them so as to make them working. > > Signed-off-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx> > Cc: Jingoo Han <jg1.han@xxxxxxxxxxx> > Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > --- > > Changes from v2: > - replaced devm_regulator_get() with devm_regulator_get_optional(). > - Added Documentation for the vdd supplies for the controller. > - Re-did the commit message. The patch looks useful but it seems it was forgotten. Do you have any plans to resend it? Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
