linux-kernel - Re: [PATCH] arch: m68k: include: asm: the 3rd parameter of 'insl' and 'outsl' need '<< 2'

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Message-ID: <51AE87DF.5000301@asianux.com>
Date:	Wed, 05 Jun 2013 08:35:43 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	schmitz <schmitz@...phys.uni-duesseldorf.de>,
	Greg Ungerer <gerg@...inux.org>, schmitz@...ian.org,
	Sam Ravnborg <sam@...nborg.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	linux-m68k <linux-m68k@...ts.linux-m68k.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH] arch: m68k: include: asm: the 3rd parameter of 'insl'
 and 'outsl' need '<< 2'

On 06/03/2013 06:48 PM, Geert Uytterhoeven wrote:
>>> >> This _only_ applies to use of insl/outsl macros in parport_pc.h, which
>>> >> is only used by Q40 on m68k. I see no reason to change anything in io.h
>>> >> to cope with this warning.

I guess your meaning is :

----------------------------diff begin----------------------------------

diff --git a/arch/m68k/include/asm/parport.h b/arch/m68k/include/asm/parport.h
index 5ea75e6..dd1672a 100644
--- a/arch/m68k/include/asm/parport.h
+++ b/arch/m68k/include/asm/parport.h
@@ -11,9 +11,20 @@
 #ifndef _ASM_M68K_PARPORT_H
 #define _ASM_M68K_PARPORT_H 1
 
+#ifdef CONFIG_Q40 /* for Q40, need redefine insl/outsl */
+
+#ifdef insl
+#undef insl
+#endif
 #define insl(port,buf,len)   isa_insb(port,buf,(len)<<2)
+
+#ifdef outsl
+#undef outsl
+#endif
 #define outsl(port,buf,len)  isa_outsb(port,buf,(len)<<2)
 
+#endif /* CONFIG_Q40 */
+
 /* no dma, or IRQ autoprobing */
 static int parport_pc_find_isa_ports (int autoirq, int autodma);
 static int parport_pc_find_nonpci_ports (int autoirq, int autodma)

----------------------------diff end------------------------------------


>> >
>> > It sounds reasonable.
>> >
>> > And excuse me, could you provide the related link directly ?  I don't
>> > know how to see the detail of 'loom.20130511T171757-995@...t.gmane.org'.
> http://www.spinics.net/lists/linux-m68k/msg06041.html

OK, thanks.  And sorry for replying late (during these days, I have to
do another things, and almost can not connect net).

It seems already has another related patch for it, and it is just
applying.

So need I send it again ?




Thanks.
-- 
Chen Gang

Asianux Corporation
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