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From: horms@verge•net.au (Simon Horman)
To: linux-arm-kernel@lists•infradead.org
Subject: [GIT PULL] Third Round of Renesas ARM Based Soc Updates for v3.19
Date: Thu, 20 Nov 2014 09:42:36 +0900	[thread overview]
Message-ID: <20141120004236.GC5065@verge.net.au> (raw)
In-Reply-To: <201411192216.27740.arnd@arndb.de>

[ CC Geert ]

On Wed, Nov 19, 2014 at 10:16:27PM +0100, Arnd Bergmann wrote:
> On Thursday 13 November 2014, Simon Horman wrote:
> > ----------------------------------------------------------------
> > Third Round of Renesas ARM Based Soc Updates for v3.19
> > 
> > * Always build rcar setup for armv7
> >   - Fixes allmodconfig build fauilre caused by
> >     "ARM: shmobile: always build rcar setup for armv7"
> > * Add restart callback to sh73a0
> 
> Pulled into next/soc, thanks!
> 
> > ----------------------------------------------------------------
> > Arnd Bergmann (1):
> >       ARM: shmobile: always build rcar setup for armv7
> > 
> > Geert Uytterhoeven (1):
> >       ARM: shmobile: sh73a0: Add restart callback
> 
> I'm not too happy about the restart handler here: 
> 
> +#define RESCNT2 IOMEM(0xe6188020)
> +static void sh73a0_restart(enum reboot_mode mode, const char *cmd)
> +{
> +       /* Do soft power on reset */
> +       writel((1 << 31), RESCNT2);
> +}
> 
> I see that you have the same thing in other SoCs, but I'd really want to
> see this done properly at some point and likely won't take future patches
> doing the same thing.
> 
> Please have a look at drivers/power/restart for how other platforms do
> this. You probably need to add a device node for whatever IP block
> holds the reset register and then have a driver. What exactly this
> driver should look like depends of course on what other registers are
> part of this block.

Hi Arnd,

thanks for your feedback and likewise for the kzm9g.
I will follow this up.

  reply	other threads:[~2014-11-20  0:42 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-13  1:20 [GIT PULL] Third Round of Renesas ARM Based Soc Updates for v3.19 Simon Horman
2014-11-13  1:20 ` [PATCH 1/2] ARM: shmobile: sh73a0: Add restart callback Simon Horman
2014-11-13  1:20 ` [PATCH 2/2] ARM: shmobile: always build rcar setup for armv7 Simon Horman
2014-11-13 18:50 ` [GIT PULL] Third Round of Renesas ARM Based Soc Updates for v3.19 Sergei Shtylyov
2014-11-14  0:32   ` Simon Horman
2014-11-19 21:16 ` Arnd Bergmann
2014-11-20  0:42   ` Simon Horman [this message]
2014-11-20  7:56   ` Geert Uytterhoeven
2014-11-20  9:04     ` Arnd Bergmann
2014-11-20  9:19       ` Geert Uytterhoeven

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