Hi Krzysztof,
On Tuesday 03 November 2015 07:52 AM, Krzysztof Kozlowski wrote:
On 26.10.2015 21:55, Pankaj Dubey wrote:
This patch moves Exynos PMU driver implementation from "arm/mach-exynos"
to "drivers/soc/samsung". This driver is mainly used for setting misc
bits of register from PMU IP of Exynos SoC which will be required to
configure before Suspend/Resume. Currently all these settings are done
in "arch/arm/mach-exynos/pmu.c" but moving ahead for ARM64 based SoC
support, there is a need of this PMU driver in driver/* folder.
This driver uses existing DT binding information and there should
be no functionality change in the supported platforms.
Signed-off-by: Amit Daniel Kachhap <amitdanielk@xxxxxxxxx>
Signed-off-by: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
---
arch/arm/mach-exynos/Kconfig | 1 +
arch/arm/mach-exynos/Makefile | 4 +---
drivers/soc/samsung/Kconfig | 4 ++++
drivers/soc/samsung/Makefile | 4 ++++
arch/arm/mach-exynos/pmu.c => drivers/soc/samsung/exynos-pmu.c | 0
{arch/arm/mach-exynos => drivers/soc/samsung}/exynos-pmu.h | 0
{arch/arm/mach-exynos => drivers/soc/samsung}/exynos3250-pmu.c | 0
{arch/arm/mach-exynos => drivers/soc/samsung}/exynos4-pmu.c | 0
{arch/arm/mach-exynos => drivers/soc/samsung}/exynos5250-pmu.c | 0
{arch/arm/mach-exynos => drivers/soc/samsung}/exynos5420-pmu.c | 0
10 files changed, 10 insertions(+), 3 deletions(-)
rename arch/arm/mach-exynos/pmu.c => drivers/soc/samsung/exynos-pmu.c (100%)
rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos-pmu.h (100%)
rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos3250-pmu.c (100%)
rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos4-pmu.c (100%)
rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos5250-pmu.c (100%)
rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos5420-pmu.c (100%)
1. Please reorder the exynos_sys_powerdown_conf() to be after the
statics. I am thinking also about adding EXPORT_SYMBOL... but maybe this
would be over-thinking.
I could not understand your point of reordering, will you please explain
this.
2. I think the proper location of everything is drivers/power/reset/.
Although I don't have strong opinion.
There has been discussion about the proper location for this driver,
initial attempt was done in "drivers/mfd" folder but then we realized
that this driver is not exactly fitting in MFD category.
There was suggestion from Catalin Marinas [1], [2] to move it to
"drivers/power" or a more suitable place other than mfd. As I received
comments from Bartlomiej [3] and other members also (sorry I could not
produce all links as it was quite more than a year back), I feel driver
is very much SoC specific and hence decided to move it here.
1: https://lkml.org/lkml/2014/4/28/879
2:
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-April/252018.html
3:
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-April/244690.html
3. Please cc linux-pm and arm-soc guys (Arnd, Olof, Kevin) on next
iteration.
Ok will keep them in CC in next revision.
Thanks,
Pankaj Dubey
Best regards,
Krzysztof
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