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

Lin Mac mkl0301 at gmail.com
Thu Nov 25 08:51:23 EST 2010


2010/11/25 Anton Vorontsov <cbouatmailru at gmail.com>:
> 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,

Get it. So should I re-submit all 3 patches, or just the last one?

>>
>> >  #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);



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