[GIT PULL] Second Round of Renesas ARM Based SoC Updates for v4.16

[GIT PULL] Second Round of Renesas ARM Based SoC Updates for v4.16

[Simon Horman]

Hi Olof, Hi Kevin, Hi Arnd,

Please consider these second round of Renesas ARM based SoC updates for v4.16.

This pull request is based on the previous round of
such requests, tagged as renesas-soc-for-v4.16,
which I have already sent a pull-request for.


The following changes since commit 90f0d2b344313a8a4c366ef60d0df33008d2be84:

  soc: renesas: Identify R-Car M3-W ES1.1 (2017-11-27 11:40:57 +0100)

are available in the git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git tags/renesas-soc2-for-v4.16

for you to fetch changes up to 91c719f5ec6671f7b63762d78897af5583dd7693:

  soc: renesas: rcar-sysc: Keep wakeup sources active during system suspend (2017-12-20 11:16:05 +0100)

----------------------------------------------------------------
Second Round of Renesas ARM Based SoC Updates for v4.16

* rcar-sysc: Keep wakeup sources active during system suspend

  Geert Uytterhoeven says "If an R-Car SYSC slave device is part of the
  CPG/MSTP or CPG/MSSR Clock Domain and to be used as a wakeup source, it
  must be kept active during system suspend.

  Currently this is handled in device-specific drivers by explicitly
  increasing the use count of the module clock when the device is
  configured as a wakeup source.  However, the proper way to prevent the
  device from being stopped is to inform this requirement to the genpd
  core, by setting the GENPD_FLAG_ACTIVE_WAKEUP flag.

  Note that this will only affect devices configured as wakeup sources."

----------------------------------------------------------------
Geert Uytterhoeven (1):
      soc: renesas: rcar-sysc: Keep wakeup sources active during system suspend

 drivers/soc/renesas/rcar-sysc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

[PATCH 1/1] soc: renesas: rcar-sysc: Keep wakeup sources active during system suspend

[Simon Horman]

From: Geert Uytterhoeven <geert+renesas@glider.be>

If an R-Car SYSC slave device is part of the CPG/MSTP or CPG/MSSR Clock
Domain and to be used as a wakeup source, it must be kept active during
system suspend.

Currently this is handled in device-specific drivers by explicitly
increasing the use count of the module clock when the device is
configured as a wakeup source.  However, the proper way to prevent the
device from being stopped is to inform this requirement to the genpd
core, by setting the GENPD_FLAG_ACTIVE_WAKEUP flag.

Note that this will only affect devices configured as wakeup sources.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/soc/renesas/rcar-sysc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index 55a47e509e49..52c25a5e2646 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -224,7 +224,7 @@ static void __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
 
 	if (!(pd->flags & (PD_CPU | PD_SCU))) {
 		/* Enable Clock Domain for I/O devices */
-		genpd->flags |= GENPD_FLAG_PM_CLK;
+		genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
 		if (has_cpg_mstp) {
 			genpd->attach_dev = cpg_mstp_attach_dev;
 			genpd->detach_dev = cpg_mstp_detach_dev;
-- 
2.11.0

[GIT PULL] Second Round of Renesas ARM Based SoC Updates for v4.16

[Olof Johansson]

On Fri, Dec 22, 2017 at 11:30:37AM +0100, Simon Horman wrote:
> Hi Olof, Hi Kevin, Hi Arnd,
> 
> Please consider these second round of Renesas ARM based SoC updates for v4.16.
> 
> This pull request is based on the previous round of
> such requests, tagged as renesas-soc-for-v4.16,
> which I have already sent a pull-request for.
> 
> 
> The following changes since commit 90f0d2b344313a8a4c366ef60d0df33008d2be84:
> 
>   soc: renesas: Identify R-Car M3-W ES1.1 (2017-11-27 11:40:57 +0100)
> 
> are available in the git repository at:
> 
>   https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git tags/renesas-soc2-for-v4.16
> 
> for you to fetch changes up to 91c719f5ec6671f7b63762d78897af5583dd7693:
> 
>   soc: renesas: rcar-sysc: Keep wakeup sources active during system suspend (2017-12-20 11:16:05 +0100)
> 
> ----------------------------------------------------------------
> Second Round of Renesas ARM Based SoC Updates for v4.16
> 
> * rcar-sysc: Keep wakeup sources active during system suspend
> 
>   Geert Uytterhoeven says "If an R-Car SYSC slave device is part of the
>   CPG/MSTP or CPG/MSSR Clock Domain and to be used as a wakeup source, it
>   must be kept active during system suspend.
> 
>   Currently this is handled in device-specific drivers by explicitly
>   increasing the use count of the module clock when the device is
>   configured as a wakeup source.  However, the proper way to prevent the
>   device from being stopped is to inform this requirement to the genpd
>   core, by setting the GENPD_FLAG_ACTIVE_WAKEUP flag.
> 
>   Note that this will only affect devices configured as wakeup sources."

Merged, thanks.


-Olof