linux-kernel - Re: [PATCH v2 2/3] ARM: cns3xxx: Add architecture definition for EHCI/OHCI controller

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Date:	Thu, 25 Nov 2010 13:48:17 +0300
From:	Anton Vorontsov <cbouatmailru@...il.com>
To:	Lin Mac <mkl0301@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	dbrownell@...rs.sourceforge.net, linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 2/3] ARM: cns3xxx: Add architecture definition for
 EHCI/OHCI controller

On Thu, Nov 25, 2010 at 03:25:38PM +0800, Lin Mac wrote:
[...]
> >  #include <linux/module.h>
> >  #include <linux/io.h>
> >  #include <linux/delay.h>
> > +#include <asm/atomic.h>
> It's not necessary for mach/pm.h already included it, right?

Technically, it's not necessary. But in Linux we don't rely on
headers including other headers. Think that someday mach/pm.h
may not include asm/atomic.h, so the build will break.

Thanks,

> 
> >  #include <mach/system.h>
> >  #include <mach/cns3xxx.h>
> >  #include <mach/pm.h>
> > @@ -117,3 +118,6 @@ int cns3xxx_cpu_clock(void)
> >        return cpu;
> >  }
> >  EXPORT_SYMBOL(cns3xxx_cpu_clock);
> > +
> > +atomic_t usb_pwr_ref = ATOMIC_INIT(0);
> > +EXPORT_SYMBOL(usb_pwr_ref);

-- 
Anton Vorontsov
Email: cbouatmailru@...il.com
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