linux-kernel - Re: [PATCH] Fix building kernel under Solaris

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Date:	Thu, 8 Mar 2007 22:25:12 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>, dmitry.torokhov@...il.com
Cc:	Christoph Hellwig <hch@...radead.org>,
	Deepak Saxena <dsaxena@...xity.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix building kernel under Solaris

On Thu, Mar 08, 2007 at 09:43:46PM +0100, Jan Engelhardt wrote:
> 
> On Mar 8 2007 08:35, Christoph Hellwig wrote:
> >On Wed, Mar 07, 2007 at 11:45:11PM +0100, Jan Engelhardt wrote:
> >> 
> >> On Mar 7 2007 09:42, Christoph Hellwig wrote:
> >> >>  #include <sys/time.h>
> >> >>  #include <sys/ioctl.h>
> >> >>  #include <sys/types.h>
> >> >> +#ifndef __sun__
> >> >>  #include <asm/types.h>
> >> >>  #endif
> >> >> +#endif
> >> >
> >> >So if solaris doesn't need it, why do we need it on Linux?
> >> 
> >> For __s32 and __s16.
> >
> >We shouldn't use those from asm/types.h on Linux either, but
> >get them consitantly by defining them to the C99 or BSD types
> >from the libc headers.
> 
> It's a bit icky. file2alias.c includes "../../include/linux/input.h" and it is
> _input.h_ that requires __s16/__s32 and hence includes <asm/types.h>.
> If you ask me, it's file2alias.c that's broken.
Took a closer look and agree on that.
I have queued up below patch to fix it.
I expect to see an updated patch on the other issues from Deepak.

	Sam

diff --git a/include/linux/input.h b/include/linux/input.h
index bde65c8..13d510c 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1010,6 +1010,10 @@ struct input_dev {
 #error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match"
 #endif
 
+#if KEY_MIN_INTERESTING != INPUT_DEVICE_ID_KEY_MIN_INTERESTING
+#error "KEY_MIN_INTERESTING and INPUT_DEVICE_ID_KEY_MIN_INTERESTING do not match"
+#endif
+
 #if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX
 #error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match"
 #endif
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index e0c393c..5e89204 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -262,6 +262,7 @@ struct i2c_device_id {
 
 /* Input */
 #define INPUT_DEVICE_ID_EV_MAX		0x1f
+#define INPUT_DEVICE_ID_KEY_MIN_INTERESTING	0x71
 #define INPUT_DEVICE_ID_KEY_MAX		0x1ff
 #define INPUT_DEVICE_ID_REL_MAX		0x0f
 #define INPUT_DEVICE_ID_ABS_MAX		0x3f
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index f61c9cc..96319eb 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -37,7 +37,6 @@ typedef unsigned char	__u8;
  * even potentially has different endianness and word sizes, since
  * we handle those differences explicitly below */
 #include "../../include/linux/mod_devicetable.h"
-#include "../../include/linux/input.h"
 
 #define ADD(str, sep, cond, field)                              \
 do {                                                            \
@@ -416,31 +415,33 @@ static int do_input_entry(const char *filename, struct input_device_id *id,
 
 	sprintf(alias + strlen(alias), "-e*");
 	if (id->flags & INPUT_DEVICE_ID_MATCH_EVBIT)
-		do_input(alias, id->evbit, 0, EV_MAX);
+		do_input(alias, id->evbit, 0, INPUT_DEVICE_ID_EV_MAX);
 	sprintf(alias + strlen(alias), "k*");
 	if (id->flags & INPUT_DEVICE_ID_MATCH_KEYBIT)
-		do_input(alias, id->keybit, KEY_MIN_INTERESTING, KEY_MAX);
+		do_input(alias, id->keybit,
+			 INPUT_DEVICE_ID_KEY_MIN_INTERESTING,
+			 INPUT_DEVICE_ID_KEY_MAX);
 	sprintf(alias + strlen(alias), "r*");
 	if (id->flags & INPUT_DEVICE_ID_MATCH_RELBIT)
-		do_input(alias, id->relbit, 0, REL_MAX);
+		do_input(alias, id->relbit, 0, INPUT_DEVICE_ID_REL_MAX);
 	sprintf(alias + strlen(alias), "a*");
 	if (id->flags & INPUT_DEVICE_ID_MATCH_ABSBIT)
-		do_input(alias, id->absbit, 0, ABS_MAX);
+		do_input(alias, id->absbit, 0, INPUT_DEVICE_ID_ABS_MAX);
 	sprintf(alias + strlen(alias), "m*");
 	if (id->flags & INPUT_DEVICE_ID_MATCH_MSCIT)
-		do_input(alias, id->mscbit, 0, MSC_MAX);
+		do_input(alias, id->mscbit, 0, INPUT_DEVICE_ID_MSC_MAX);
 	sprintf(alias + strlen(alias), "l*");
 	if (id->flags & INPUT_DEVICE_ID_MATCH_LEDBIT)
-		do_input(alias, id->ledbit, 0, LED_MAX);
+		do_input(alias, id->ledbit, 0, INPUT_DEVICE_ID_LED_MAX);
 	sprintf(alias + strlen(alias), "s*");
 	if (id->flags & INPUT_DEVICE_ID_MATCH_SNDBIT)
-		do_input(alias, id->sndbit, 0, SND_MAX);
+		do_input(alias, id->sndbit, 0, INPUT_DEVICE_ID_SND_MAX);
 	sprintf(alias + strlen(alias), "f*");
 	if (id->flags & INPUT_DEVICE_ID_MATCH_FFBIT)
-		do_input(alias, id->ffbit, 0, FF_MAX);
+		do_input(alias, id->ffbit, 0, INPUT_DEVICE_ID_FF_MAX);
 	sprintf(alias + strlen(alias), "w*");
 	if (id->flags & INPUT_DEVICE_ID_MATCH_SWBIT)
-		do_input(alias, id->swbit, 0, SW_MAX);
+		do_input(alias, id->swbit, 0, INPUT_DEVICE_ID_SW_MAX);
 	return 1;
 }
 
-
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