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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Magnus Damm <magnus.damm@gmail.com>,
	"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
	"linux-sh@vger.kernel.org" <linux-sh@vger.kernel.org>
Subject: Re: [PATCH 2/4] pinctrl: sh-pfc: Store register/field widths in u8 instead of unsigned long
Date: Fri, 06 Mar 2015 13:34:59 +0200	[thread overview]
Message-ID: <5341607.ysC4Tafd3h@avalon> (raw)
In-Reply-To: <CAMuHMdVhD2e2Q9bTwu_r30AUCq4=-GzH=RWp2TFL7tXXz3prJA@mail.gmail.com>

Hi Geert,

On Friday 06 March 2015 12:26:57 Geert Uytterhoeven wrote:
> On Fri, Mar 6, 2015 at 11:48 AM, Linus Walleij wrote:
> > On Fri, Feb 27, 2015 at 6:38 PM, Geert Uytterhoeven wrote:
> >> Register and field widths are in the range 1..32. Storing them in the
> >> pinctrl data in (arrays of) unsigned long wastes space.
> >> 
> >> This decreases the size of a (32-bit) shmobile_defconfig kernel
> >> supporting 7 SoCs by 26460 bytes.
> >> 
> >> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> > 
> > This 2/4 is not ACKed so pausing application after 1/4.
> > 
> > Is 3,4/4 independent of this patch?
> 
> Unfortunately not, as there are contextual dependencies.
> 
> Laurent: Is 2/4 OK for you as-is? Your comments about the size of reg are
> not related to "Store register/field widths in u8 instead of unsigned long",
> and thus an area for future improvement.

As just stated in a different reply to this patch, if you change reg to a u32 
in a separate patch (maybe as a v2 of 3/4 ?),

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

for this patch.

-- 
Regards,

Laurent Pinchart


WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Magnus Damm <magnus.damm@gmail.com>,
	"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
	"linux-sh@vger.kernel.org" <linux-sh@vger.kernel.org>
Subject: Re: [PATCH 2/4] pinctrl: sh-pfc: Store register/field widths in u8 instead of unsigned long
Date: Fri, 06 Mar 2015 11:34:59 +0000	[thread overview]
Message-ID: <5341607.ysC4Tafd3h@avalon> (raw)
In-Reply-To: <CAMuHMdVhD2e2Q9bTwu_r30AUCq4=-GzH=RWp2TFL7tXXz3prJA@mail.gmail.com>

Hi Geert,

On Friday 06 March 2015 12:26:57 Geert Uytterhoeven wrote:
> On Fri, Mar 6, 2015 at 11:48 AM, Linus Walleij wrote:
> > On Fri, Feb 27, 2015 at 6:38 PM, Geert Uytterhoeven wrote:
> >> Register and field widths are in the range 1..32. Storing them in the
> >> pinctrl data in (arrays of) unsigned long wastes space.
> >> 
> >> This decreases the size of a (32-bit) shmobile_defconfig kernel
> >> supporting 7 SoCs by 26460 bytes.
> >> 
> >> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> > 
> > This 2/4 is not ACKed so pausing application after 1/4.
> > 
> > Is 3,4/4 independent of this patch?
> 
> Unfortunately not, as there are contextual dependencies.
> 
> Laurent: Is 2/4 OK for you as-is? Your comments about the size of reg are
> not related to "Store register/field widths in u8 instead of unsigned long",
> and thus an area for future improvement.

As just stated in a different reply to this patch, if you change reg to a u32 
in a separate patch (maybe as a v2 of 3/4 ?),

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

for this patch.

-- 
Regards,

Laurent Pinchart


  reply	other threads:[~2015-03-06 11:34 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-27 17:38 [PATCH 0/4] pinctrl: sh-pfc: Fix pin bias and cleanups Geert Uytterhoeven
2015-02-27 17:38 ` Geert Uytterhoeven
2015-02-27 17:38 ` [PATCH 1/4] pinctrl: sh-pfc: Do not overwrite bias configuration Geert Uytterhoeven
2015-02-27 17:38   ` Geert Uytterhoeven
2015-03-05  8:57   ` Laurent Pinchart
2015-03-05  8:57     ` Laurent Pinchart
2015-03-06 10:45   ` Linus Walleij
2015-03-06 10:45     ` Linus Walleij
2015-02-27 17:38 ` [PATCH 2/4] pinctrl: sh-pfc: Store register/field widths in u8 instead of unsigned long Geert Uytterhoeven
2015-02-27 17:38   ` Geert Uytterhoeven
2015-03-05  9:03   ` Laurent Pinchart
2015-03-05  9:03     ` Laurent Pinchart
2015-03-05  9:19     ` Geert Uytterhoeven
2015-03-05  9:19       ` Geert Uytterhoeven
2015-03-05 18:02       ` Geert Uytterhoeven
2015-03-05 18:02         ` Geert Uytterhoeven
2015-03-06 10:55         ` Laurent Pinchart
2015-03-06 10:55           ` Laurent Pinchart
2015-03-06 11:05       ` Laurent Pinchart
2015-03-06 11:05         ` Laurent Pinchart
2015-03-06 11:21         ` Geert Uytterhoeven
2015-03-06 11:21           ` Geert Uytterhoeven
2015-03-06 11:31           ` Laurent Pinchart
2015-03-06 11:31             ` Laurent Pinchart
2015-03-06 10:48   ` Linus Walleij
2015-03-06 10:48     ` Linus Walleij
2015-03-06 11:26     ` Geert Uytterhoeven
2015-03-06 11:26       ` Geert Uytterhoeven
2015-03-06 11:34       ` Laurent Pinchart [this message]
2015-03-06 11:34         ` Laurent Pinchart
2015-02-27 17:38 ` [PATCH 3/4] pinctrl: sh-pfc: Use u32 to store register data Geert Uytterhoeven
2015-02-27 17:38   ` Geert Uytterhoeven
2015-03-05  9:14   ` Laurent Pinchart
2015-03-05  9:14     ` Laurent Pinchart
2015-03-05  9:28     ` Geert Uytterhoeven
2015-03-05  9:28       ` Geert Uytterhoeven
2015-03-09 16:37   ` Linus Walleij
2015-03-09 16:37     ` Linus Walleij
2015-03-09 17:56     ` Geert Uytterhoeven
2015-03-09 17:56       ` Geert Uytterhoeven
2015-02-27 17:38 ` [PATCH 4/4] pinctrl: sh-pfc: Use unsigned int for register/field widths and offsets Geert Uytterhoeven
2015-02-27 17:38   ` Geert Uytterhoeven
2015-03-05  9:20   ` Laurent Pinchart
2015-03-05  9:20     ` Laurent Pinchart
2015-03-05  9:34     ` Geert Uytterhoeven
2015-03-05  9:34       ` Geert Uytterhoeven
2015-03-06 10:57       ` Laurent Pinchart
2015-03-06 10:57         ` Laurent Pinchart

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