Subject: [GIT PULL 2/3] 1st Round of Samsung PM updates for v3.19

From: [email-masked] (Kukjin Kim)
Date: Tue, 21 Oct 2014 20:42:39 +0900

Bartlomiej Zolnierkiewicz wrote:
> Hi,
Hi,

> On Tuesday, October 21, 2014 12:54:27 AM Kukjin Kim wrote:
> > Hi,
> >
> > Same, I've just rebased for Samsung PM updates for v3.19.
> > Please pull.
> 
> Unfortunately this pull request has the same issue that caused Arnd to
> refuse the pull for v3.18:
> 
Oops, I've missed that :(

>   https://www.mail-archive.com/linux-samsung-soc at vger.kernel.org/msg37320.html
> 
> You can find the fix for the issue at the bottom of this mail.
> 
OK, I will fix and send new pull-request soon.

Thanks for your point out.

@ Arnd, Olof, Kevin,

Please kindly ignore this but 1/3 and 3/3 should be fine ;)

- Kukjin

> Best regards,
> --
> Bartlomiej Zolnierkiewicz
> Samsung R&D Institute Poland
> Samsung Electronics
> 
> > Thanks,
> > Kukjin
> >
> > ---
> >
> > The following changes since commit f114040e3ea6e07372334ade75d1ee0775c355e1:
> >
> >    Linux 3.18-rc1 (2014-10-19 18:08:38 -0700)
> >
> > are available in the git repository at:
> >
> >    git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung.git
> > tags/samsung-pm
> >
> > for you to fetch changes up to b588aaec6d0d846c88bfa2ba95e76147386a4cd6:
> >
> >    ARM: EXYNOS: SWRESET is needed to boot secondary CPU on exynos3250
> > (2014-10-21 00:06:36 +0900)
> >
> > ----------------------------------------------------------------
> > Samsung PM updates for v3.19
> >
> > - Refactor the pm code to use DT based lookup instead of
> >    using "soc_is_exynosxxxx"
> >
> > - Firmware supporting suspend and resume to excute of low
> >    level operations to enter and leave power mode for exynos
> >    : introduce suspend() and resume() firmware operations
> >
> > - Fix AFTR mode on boards with secure firmware enabled and
> >    allows exynos cpuidle driver usage on exynos4x12 SoCs
> >
> > - Fix build with PM_SLEEP=n and ARM_EXYNOS_CPUIDLE=y
> >
> > - SWRESET is needed to boot secondary CPU on exynos3250
> >
> > ----------------------------------------------------------------
> > Bartlomiej Zolnierkiewicz (6):
> >        ARM: EXYNOS: replace EXYNOS_BOOT_VECTOR_* macros by static inlines
> >        ARM: firmware: add AFTR mode support to firmware do_idle method
> >        ARM: EXYNOS: add secure firmware support to AFTR mode code
> >        ARM: EXYNOS: fix register setup for AFTR mode code
> >        ARM: EXYNOS: allow driver usage on Exynos4x12 SoCs
> >        ARM: EXYNOS: Fix build with PM_SLEEP=n and ARM_EXYNOS_CPUIDLE=y
> >
> > Krzysztof Kozlowski (1):
> >        ARM: EXYNOS: SWRESET is needed to boot secondary CPU on exynos3250
> >
> > Tomasz Figa (2):
> >        ARM: firmware: Introduce suspend and resume operations
> >        ARM: EXYNOS: Add support for firmware-assisted suspend/resume
> >
> > Vikas Sajjan (2):
> >        ARM: EXYNOS: Move Disabling of JPEG USE_RETENTION for exynos5250
> > to pmu.c
> >        ARM: EXYNOS: Refactor the pm code to use DT based lookup
> >
> >   Documentation/arm/firmware.txt         |  28 +--
> >   arch/arm/include/asm/firmware.h        |  10 +-
> >   arch/arm/mach-exynos/Kconfig           |   5 +
> >   arch/arm/mach-exynos/Makefile          |   6 +-
> >   arch/arm/mach-exynos/common.h          |  13 ++
> >   arch/arm/mach-exynos/exynos.c          |   5 +-
> >   arch/arm/mach-exynos/firmware.c        |  65 +++++-
> >   arch/arm/mach-exynos/platsmp.c         |  23 +++
> >   arch/arm/mach-exynos/pm.c              | 310 ++++------------------------
> >   arch/arm/mach-exynos/pmu.c             |   1 +
> >   arch/arm/mach-exynos/regs-pmu.h        |   3 +
> >   arch/arm/mach-exynos/sleep.S           |  28 +++
> >   arch/arm/mach-exynos/smc.h             |   4 +
> >   arch/arm/mach-exynos/suspend.c         | 356
> > +++++++++++++++++++++++++++++++++
> >   arch/arm/mach-tegra/cpuidle-tegra114.c |   2 +-
> >   arch/arm/plat-samsung/Makefile         |   1 +
> >   16 files changed, 559 insertions(+), 301 deletions(-)
> >   create mode 100644 arch/arm/mach-exynos/suspend.c
> 
> From: Arnd Bergmann <[email-masked]>
> Subject: [PATCH] ARM: EXYNOS: Fix build with ARM_CPU_SUSPEND=n
> 
> "ARM: EXYNOS: Add support for firmware-assisted suspend/resume" patch
> added to arch/arm/mach-exynos/firmware.c new references to functions
> from arch/arm/mach-exynos/sleep.S causing the new CONFIG_PM_SLEEP=n
> build breakages.  Then "ARM: EXYNOS: Fix build with PM_SLEEP=n and
> ARM_EXYNOS_CPUIDLE=y" patch tried to fix the CONFIG_PM_SLEEP=n issues
> by always building sleep.S which caused the CONFIG_ARM_CPU_SUSPEND=n
> build breakage.  Fix it by building arch/arm/mach-exynos/sleep.o only
> for CONFIG_EXYNOS_CPU_SUSPEND=y and adding appropriate IS_ENABLED()
> checks to arch/arm/mach-exynos/firmware.c.
> 
> From: Arnd Bergmann <[email-masked]>
> [b.zolnierkie: fixed ->resume check and added patch description]
> Signed-off-by: Bartlomiej Zolnierkiewicz <[email-masked]>
> ---
>  arch/arm/mach-exynos/Makefile   |    4 ++--
>  arch/arm/mach-exynos/firmware.c |    6 +++---
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> Index: b/arch/arm/mach-exynos/Makefile
> ===================================================================
> --- a/arch/arm/mach-exynos/Makefile	2014-10-07 18:27:43.023737860 +0200
> +++ b/arch/arm/mach-exynos/Makefile	2014-10-21 13:14:32.827064742 +0200
> @@ -9,9 +9,9 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) +=
> 
>  # Core
> 
> -obj-$(CONFIG_ARCH_EXYNOS)	+= exynos.o pmu.o exynos-smc.o firmware.o sleep.o
> +obj-$(CONFIG_ARCH_EXYNOS)	+= exynos.o pmu.o exynos-smc.o firmware.o
> 
> -obj-$(CONFIG_EXYNOS_CPU_SUSPEND) += pm.o
> +obj-$(CONFIG_EXYNOS_CPU_SUSPEND) += pm.o sleep.o
>  obj-$(CONFIG_PM_SLEEP)		+= suspend.o
>  obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o
> 
> Index: b/arch/arm/mach-exynos/firmware.c
> ===================================================================
> --- a/arch/arm/mach-exynos/firmware.c	2014-10-07 18:27:43.023737860 +0200
> +++ b/arch/arm/mach-exynos/firmware.c	2014-10-21 13:14:32.827064742 +0200
> @@ -129,11 +129,11 @@ static int exynos_resume(void)
>  }
> 
>  static const struct firmware_ops exynos_firmware_ops = {
> -	.do_idle		= exynos_do_idle,
> +	.do_idle		= IS_ENABLED(CONFIG_EXYNOS_CPU_SUSPEND) ? exynos_do_idle : NULL,
>  	.set_cpu_boot_addr	= exynos_set_cpu_boot_addr,
>  	.cpu_boot		= exynos_cpu_boot,
> -	.suspend		= exynos_suspend,
> -	.resume			= exynos_resume,
> +	.suspend		= IS_ENABLED(CONFIG_PM_SLEEP) ? exynos_suspend : NULL,
> +	.resume			= IS_ENABLED(CONFIG_EXYNOS_CPU_SUSPEND) ? exynos_resume : NULL,
>  };
> 
>  void __init exynos_firmware_init(void)