linux-kernel - Re: [PATCH] Revert "usb: host: ehci-msm: Use devm_ioremap_resource instead of devm

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Message-ID: <Pine.LNX.4.44L0.1504211253220.1518-100000@iolanthe.rowland.org>
Date:	Tue, 21 Apr 2015 12:56:53 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	"Ivan T. Ivanov" <ivan.ivanov@...aro.org>
cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-msm@...r.kernel.org>,
	Vivek Gautam <gautam.vivek@...sung.com>
Subject: Re: [PATCH] Revert "usb: host: ehci-msm: Use devm_ioremap_resource
 instead of devm_ioremap"

On Tue, 21 Apr 2015, Ivan T. Ivanov wrote:

> 
> On Tue, 2015-04-21 at 11:04 -0400, Alan Stern wrote:
> > On Tue, 21 Apr 2015, Ivan T. Ivanov wrote:
> > 
> > > This reverts commit 70843f623b58 ("usb: host: ehci-msm: Use
> > > devm_ioremap_resource instead of devm_ioremap"), because msm_otg
> > > and this driver are using same address space to access AHB mode
> > > and USB command registers.
> > 
> > Um, this patch is in fact _not_ a reversion of 70843f623b58.  That
> > commit removed 4 lines of code and added 3.  If this were truly a
> > reversion, it would remove 3 lines and add 4.  Instead it adds 10.
> > 
> > Please make this a true reversion.
> 
> Right, but I will have to revert 2 commits then, is this ok?

Yes, that's okay.  I hadn't noticed that e507bf577e5a touched the same 
code.  Just mention them both in the patch description.

Alan Stern

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