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* IDE: fix sparse signed-ness errors with host->host_busy
@ 2009-01-13 17:28 Ben Dooks
  2009-01-14 17:21 ` Bartlomiej Zolnierkiewicz
  0 siblings, 1 reply; 2+ messages in thread
From: Ben Dooks @ 2009-01-13 17:28 UTC (permalink / raw)
  To: bzolnier, linux-ide; +Cc: Ben Dooks

[-- Attachment #1: simtec/sparse-fix/ide-fix-host-busy.patch --]
[-- Type: text/plain, Size: 2992 bytes --]

The host_busy field in struct ide_host defaults to a
signed-long, where most arch's test_and_set_bit_*
macros use an unsigned long.

Change to using an unsigned long, which on ARM removes
the following sparse errors:

drivers/ide/ide-io.c:681:8: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:681:8:    expected unsigned long volatile *p
drivers/ide/ide-io.c:681:8:    got long volatile *<noident>
drivers/ide/ide-io.c:681:8: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:681:8:    expected unsigned long volatile *p
drivers/ide/ide-io.c:681:8:    got long volatile *<noident>
drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
drivers/ide/ide-io.c:695:3:    got long volatile *<noident>

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Index: linux.git/include/linux/ide.h
===================================================================
--- linux.git.orig/include/linux/ide.h	2009-01-09 14:38:45.000000000 +0000
+++ linux.git/include/linux/ide.h	2009-01-09 14:39:03.000000000 +0000
@@ -871,7 +871,7 @@ struct ide_host {
 	ide_hwif_t	*cur_port;	/* for hosts requiring serialization */
 
 	/* used for hosts requiring serialization */
-	volatile long	host_busy;
+	volatile unsigned long	host_busy;
 };
 
 #define IDE_HOST_BUSY 0

-- 
Ben (ben@fluff.org, http://www.fluff.org/)

  'a smiley only costs 4 bytes'

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: IDE: fix sparse signed-ness errors with host->host_busy
  2009-01-13 17:28 IDE: fix sparse signed-ness errors with host->host_busy Ben Dooks
@ 2009-01-14 17:21 ` Bartlomiej Zolnierkiewicz
  0 siblings, 0 replies; 2+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2009-01-14 17:21 UTC (permalink / raw)
  To: Ben Dooks; +Cc: linux-ide

On Tuesday 13 January 2009, Ben Dooks wrote:
> The host_busy field in struct ide_host defaults to a
> signed-long, where most arch's test_and_set_bit_*
> macros use an unsigned long.
> 
> Change to using an unsigned long, which on ARM removes
> the following sparse errors:
> 
> drivers/ide/ide-io.c:681:8: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:681:8:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:681:8:    got long volatile *<noident>
> drivers/ide/ide-io.c:681:8: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:681:8:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:681:8:    got long volatile *<noident>
> drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
> drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
> drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
> drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
> drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
> drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
> drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
> drivers/ide/ide-io.c:695:3: warning: incorrect type in argument 2 (different signedness)
> drivers/ide/ide-io.c:695:3:    expected unsigned long volatile *p
> drivers/ide/ide-io.c:695:3:    got long volatile *<noident>
> 
> Signed-off-by: Ben Dooks <ben-linux@fluff.org>

thanks, applied

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2009-01-13 17:28 IDE: fix sparse signed-ness errors with host->host_busy Ben Dooks
2009-01-14 17:21 ` Bartlomiej Zolnierkiewicz

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