From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
"linux-sh@vger.kernel.org" <linux-sh@vger.kernel.org>,
"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH] sh-pfc: handle pin array holes in sh_pfc_map_pins()
Date: Fri, 06 Mar 2015 12:58:31 +0200 [thread overview]
Message-ID: <1498074.6jEVhizFNe@avalon> (raw)
In-Reply-To: <CACRpkdbMzGXeK6fX-h09-3F+jzxNLNsJwzLSeQrLT0MmJDRnWg@mail.gmail.com>
Hi Linus,
On Friday 06 March 2015 11:43:45 Linus Walleij wrote:
> On Sat, Feb 28, 2015 at 12:39 AM, Sergei Shtylyov wrote:
> > The pin array handled by sh_pfc_map_pins() may contain holes representing
> > non- existing pins. We have to first count the valid pins in order to
> > calculate the size of the memory to be allocated, then to skip over the
> > non-existing pins when initializing the allocated arrays, and then to
> > return the number of valid pins from sh_pfc_map_pins() instead of 0 on
> > success.
> >
> > As we have to touch devm_kzalloc() calls anyway, use more fitting
> > devm_kcalloc() instead which additionally checks the array size. And
> > since PINMUX_TYPE_NONE is #define'd as 0, stop re-initializing already
> > zeroed out 'pmx->configs' array.
> >
> > Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> >
> > ---
> > The patch is against the 'devel' branch of Linus W.'s 'linux-pinctrl.git'
> > repo. This patch should be applied before my R8A7794 PFC support patch
> > and before Laurent's patches removing non-existent GPIOs for R8A779[01],
> > otherwise they would cause the kernel to hang while booting!
>
> OK not applying this until ACKed by Laurent,
> and in the meantime I'm taking the three applied R8A7794 patches
> out of my tree again.
Could you also drop "pinctrl: sh-pfc: r8a7790: Remove non existing GPIO pins"
and "pinctrl: sh-pfc: r8a7791: Remove non existing GPIO pins" for the same
reason ? Sorry for the trouble.
> Can you please send these depending patches as a series with this
> patch as 1/4 and the three R8A7794 patches as 2,3,4/4? Thanks.
--
Regards,
Laurent Pinchart
WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
"linux-sh@vger.kernel.org" <linux-sh@vger.kernel.org>,
"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH] sh-pfc: handle pin array holes in sh_pfc_map_pins()
Date: Fri, 06 Mar 2015 10:58:31 +0000 [thread overview]
Message-ID: <1498074.6jEVhizFNe@avalon> (raw)
In-Reply-To: <CACRpkdbMzGXeK6fX-h09-3F+jzxNLNsJwzLSeQrLT0MmJDRnWg@mail.gmail.com>
Hi Linus,
On Friday 06 March 2015 11:43:45 Linus Walleij wrote:
> On Sat, Feb 28, 2015 at 12:39 AM, Sergei Shtylyov wrote:
> > The pin array handled by sh_pfc_map_pins() may contain holes representing
> > non- existing pins. We have to first count the valid pins in order to
> > calculate the size of the memory to be allocated, then to skip over the
> > non-existing pins when initializing the allocated arrays, and then to
> > return the number of valid pins from sh_pfc_map_pins() instead of 0 on
> > success.
> >
> > As we have to touch devm_kzalloc() calls anyway, use more fitting
> > devm_kcalloc() instead which additionally checks the array size. And
> > since PINMUX_TYPE_NONE is #define'd as 0, stop re-initializing already
> > zeroed out 'pmx->configs' array.
> >
> > Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> >
> > ---
> > The patch is against the 'devel' branch of Linus W.'s 'linux-pinctrl.git'
> > repo. This patch should be applied before my R8A7794 PFC support patch
> > and before Laurent's patches removing non-existent GPIOs for R8A779[01],
> > otherwise they would cause the kernel to hang while booting!
>
> OK not applying this until ACKed by Laurent,
> and in the meantime I'm taking the three applied R8A7794 patches
> out of my tree again.
Could you also drop "pinctrl: sh-pfc: r8a7790: Remove non existing GPIO pins"
and "pinctrl: sh-pfc: r8a7791: Remove non existing GPIO pins" for the same
reason ? Sorry for the trouble.
> Can you please send these depending patches as a series with this
> patch as 1/4 and the three R8A7794 patches as 2,3,4/4? Thanks.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2015-03-06 10:58 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-27 23:39 [PATCH] sh-pfc: handle pin array holes in sh_pfc_map_pins() Sergei Shtylyov
2015-02-27 23:39 ` Sergei Shtylyov
2015-03-03 0:24 ` Laurent Pinchart
2015-03-03 0:24 ` Laurent Pinchart
2015-04-24 20:12 ` Sergei Shtylyov
2015-04-24 20:12 ` Sergei Shtylyov
2015-04-29 22:38 ` Sergei Shtylyov
2015-04-29 22:38 ` Sergei Shtylyov
2015-05-27 8:52 ` Geert Uytterhoeven
2015-05-27 8:52 ` Geert Uytterhoeven
2015-06-03 20:57 ` Sergei Shtylyov
2015-06-03 20:57 ` Sergei Shtylyov
2015-03-06 10:43 ` Linus Walleij
2015-03-06 10:43 ` Linus Walleij
2015-03-06 10:58 ` Laurent Pinchart [this message]
2015-03-06 10:58 ` Laurent Pinchart
2015-03-09 17:11 ` Linus Walleij
2015-03-09 17:11 ` Linus Walleij
2015-03-06 12:42 ` Sergei Shtylyov
2015-03-06 12:42 ` Sergei Shtylyov
2015-03-06 13:17 ` Laurent Pinchart
2015-03-06 13:17 ` Laurent Pinchart
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