linux-i2c.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Shinya Kuribayashi <shinya.kuribayashi.px-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
To: Jean-Hugues Deschenes
	<jean-hugues.deschenes-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org>
Cc: "'dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org'"
	<dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org"
	<ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>
Subject: Re: [PATCH 7/9] i2c-designware: Allow mixed endianness accesses
Date: Tue, 25 Jan 2011 11:28:22 +0900	[thread overview]
Message-ID: <4D3E3546.80806@renesas.com> (raw)
In-Reply-To: <2C61B7B7755780449CA3ED217819DA761BC7B3BD-VR+kULHyjlM/vpUtHNqADA@public.gmane.org>

On 1/18/2011 2:19 AM, Jean-Hugues Deschenes wrote:
>> +u32 dw_readl(struct dw_i2c_dev *dev, int offset)
>> +{
>> +	u32 value = readl(dev->base + offset);
>> +
>> +	if (dev->swab)
>> +		return swab32(value);
>> +	else
>> +		return value;
>> +}
>> +EXPORT_SYMBOL(dw_readl);
>> +
>> +void dw_writel(struct dw_i2c_dev *dev, u32 b, int offset)
>> +{
>> +	if (dev->swab)
>> +		b = swab32(b);
>> +
>> +	writel(b, dev->base + offset);
>> +}
>> +EXPORT_SYMBOL(dw_writel);
> 
> I would just suggest to declare these accessors as static and avoid to
> export the symbols, especially given their short names. Inlining these
> short, frequently-accessed functions is attractive.
> 
>> +extern u32 dw_readl(struct dw_i2c_dev *dev, int offset);
>> +extern void dw_writel(struct dw_i2c_dev *dev, u32 b, int offset);
> 
> Same here; I don't believe these lines are necessary.

Ack.

Furthermore, I'd like to see this patch at the start at Dirk-san's
patchset.  We don't want to make a already proposed patch adapted to
a modified driver.
-- 
Shinya Kuribayashi
Renesas Electronics

  parent reply	other threads:[~2011-01-25  2:28 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-14 19:27 [PATCH RFC] Splitting i2c-designware.c to support PCI drivers dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
     [not found] ` <1295033256-30077-1-git-send-email-dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-01-14 19:27   ` [PATCH 1/9] i2c-designware: Add designware PCI config option dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
2011-01-14 19:27   ` [PATCH 2/9] i2c-designware: Initial split of i2c-designware.c into core and bus specific parts dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
     [not found]     ` <1295033256-30077-3-git-send-email-dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-01-25  1:58       ` Shinya Kuribayashi
     [not found]         ` <4D3E2E3F.1060506-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
2011-01-25 15:26           ` Dirk Brandewie
2011-01-14 19:27   ` [PATCH 3/9] i2c-designware: retrieve clock frequency based CONFIG_HAVE_CLK dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
2011-01-14 19:27   ` [PATCH 4/9] i2c-designware: Add support for Designware core behind PCI devices dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
2011-01-14 19:27   ` [PATCH 5/9] i2c-designware: move i2c functionality bit field to be adapter specific dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
     [not found]     ` <1295033256-30077-6-git-send-email-dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-01-25  2:07       ` Shinya Kuribayashi
2011-01-14 19:27   ` [PATCH 6/9] i2c-designware: move controller config to bus specific portion of driver dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
     [not found]     ` <1295033256-30077-7-git-send-email-dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-01-25  2:22       ` Shinya Kuribayashi
2011-01-14 19:27   ` [PATCH 7/9] i2c-designware: Allow mixed endianness accesses dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
     [not found]     ` <1295033256-30077-8-git-send-email-dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-01-17 17:19       ` Jean-Hugues Deschenes
     [not found]         ` <2C61B7B7755780449CA3ED217819DA761BC7B3BD-VR+kULHyjlM/vpUtHNqADA@public.gmane.org>
2011-01-25  2:28           ` Shinya Kuribayashi [this message]
     [not found]             ` <4D3E3546.80806-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
2011-01-25 15:30               ` Dirk Brandewie
2011-01-25  2:45       ` Shinya Kuribayashi
2011-01-14 19:27   ` [PATCH 8/9] i2c-designware-pci: Add runtime power management support dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
     [not found]     ` <1295033256-30077-9-git-send-email-dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-01-25  3:00       ` Shinya Kuribayashi
2011-01-14 19:27   ` [PATCH 9/9] i2c-designware: Support multiple cores using same ISR dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w
2011-01-14 20:30   ` [PATCH RFC] Splitting i2c-designware.c to support PCI drivers Jean Delvare
     [not found]     ` <20110114213007.58c8b237-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org>
2011-01-14 21:48       ` Ben Dooks
     [not found]         ` <20110114214839.GC15795-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
2011-01-17 16:06           ` Dirk Brandewie
     [not found]             ` <4D346909.6030503-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-01-18 12:15               ` Jean Delvare

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4D3E3546.80806@renesas.com \
    --to=shinya.kuribayashi.px-zm6kxycvzfbbdgjk7y7tuq@public.gmane.org \
    --cc=ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org \
    --cc=dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    --cc=jean-hugues.deschenes-YGVykHU+fedBDgjK7y7TUQ@public.gmane.org \
    --cc=linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).