Re: [PATCH 17/17] mfd : ab8500/db8500: fix the abuse of IRQF_NO_SUSPEND

From: Lee Jones
Date: Tue Sep 22 2015 - 17:03:33 EST


On Tue, 22 Sep 2015, Sudeep Holla wrote:
> On 22/09/15 00:20, Lee Jones wrote:
> >On Mon, 21 Sep 2015, Sudeep Holla wrote:
> >
> >>The IRQF_NO_SUSPEND flag is used to identify the interrupts that should
> >>be left enabled so as to allow them to work as expected during the
> >>suspend-resume cycle, but doesn't guarantee that it will wake the system
> >>from a suspended state, enable_irq_wake is recommended to be used for
> >>the wakeup.
> >>
> >>This patch removes the use of IRQF_NO_SUSPEND flags replacing it with
> >>enable_irq_wake instead.
> >>
> >>Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> >>Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> >>Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> >>---
> >> drivers/mfd/ab8500-core.c | 11 +++++++++--
> >> drivers/mfd/ab8500-debugfs.c | 2 +-
> >> drivers/mfd/ab8500-gpadc.c | 15 +++++++++++----
> >> drivers/mfd/db8500-prcmu.c | 24 +++++++++++++++++-------
> >> drivers/power/ab8500_btemp.c | 6 ++++--
> >> drivers/power/ab8500_charger.c | 6 ++++--
> >> drivers/power/ab8500_fg.c | 9 ++++++---
> >> drivers/thermal/db8500_thermal.c | 5 ++---
> >> drivers/usb/phy/phy-ab8500-usb.c | 10 ++++++----
> >> 9 files changed, 60 insertions(+), 28 deletions(-)
> >
> >Is there a reason for bundling the changes in all of these subsystems
> >together into a single patch?
> >
>
> No, I understand this needs to be split. Since I was not 100% confident
> about this change, I wanted LinusW to review and provide feedback and
> gets things working before I can split this changes. I must have added
> RFC, but usually it gets ignored :)

Best if Linus reviews the correct patch-set. Please split and
resubmit.

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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