linux-kernel - RE: [PATCH] usb:gadget: use min

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Message-ID: <Pine.LNX.4.44L0.1106131036430.1983-100000@iolanthe.rowland.org>
Date:	Mon, 13 Jun 2011 10:38:56 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Tanya Brokhman <tlinder@...eaurora.org>
cc:	balbi@...com, <greg@...ah.com>, <linux-usb@...r.kernel.org>,
	<linux-arm-msm@...r.kernel.org>, <ablay@...eaurora.org>,
	'open list' <linux-kernel@...r.kernel.org>,
	"'open list:FREESCALE USB PER...'" <linuxppc-dev@...ts.ozlabs.org>,
	"'open list:OMAP USB SUPPORT'" <linux-omap@...r.kernel.org>
Subject: RE: [PATCH] usb:gadget: use min_t() macro instead of min()

On Mon, 13 Jun 2011, Tanya Brokhman wrote:

> > 
> > On Sun, Jun 12, 2011 at 02:14:46PM +0300, Tatyana Brokhman wrote:
> > > Signed-off-by: Tatyana Brokhman <tlinder@...eaurora.org>
> > 
> > I need a sensible commit log for this. Why do we need to change all
> > min() to min_t() ?
> > 
> 
> Actually, Alan asked me to make this change in one place in dummy_hcd. I
> wasn't aware of the min_t macro before that. So when I searched the code for
> other places I found quite a few and just thought that it would be "nicer"
> to use min_t() instead of min() with casting. 
> So we don't "need" to make this change. Everything works as is. This patch
> only makes the code look nicer, nothing more.
> I can elaborate the above in the commit log if you want.

The change I suggested involved replacing two typecasts with a single 
min_t.  All (or almost all) the places this patch touches currently 
contain only one typecast, so the motivation for changing them is a lot 
weaker.

Alan Stern

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