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authorBartlomiej Zolnierkiewicz2008-07-24 22:53:30 +0200
committerBartlomiej Zolnierkiewicz2008-07-24 22:53:30 +0200
commitd83b8b85cd56a083d30df73f3fd5e4714591b910 (patch)
tree1fac379e8d909361ecbf934645463a00e706dafc /include/linux/ide.h
parentide: remove <asm-cris/ide.h> (diff)
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ide: define MAX_HWIFS in <linux/ide.h>
* Now that ide_hwif_t instances are allocated dynamically the difference between MAX_HWIFS == 2 and MAX_HWIFS == 10 is ~100 bytes (x86-32) so use MAX_HWIFS == 10 on all archs except these ones that use MAX_HWIFS == 1. * Define MAX_HWIFS in <linux/ide.h> instead of <asm/ide.h>. [ Please note that avr32/cris/v850 have no <asm/ide.h> and alpha/ia64/sh always define CONFIG_IDE_MAX_HWIFS. ] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'include/linux/ide.h')
-rw-r--r--include/linux/ide.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index dbd0aeb3a56d..76fe00b24b51 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -213,6 +213,14 @@ static inline int __ide_default_irq(unsigned long base)
#include <asm/ide.h>
+#ifndef MAX_HWIFS
+#if defined(CONFIG_BLACKFIN) || defined(CONFIG_H8300) || defined(CONFIG_XTENSA)
+# define MAX_HWIFS 1
+#else
+# define MAX_HWIFS 10
+#endif
+#endif
+
#if !defined(MAX_HWIFS) || defined(CONFIG_EMBEDDED)
#undef MAX_HWIFS
#define MAX_HWIFS CONFIG_IDE_MAX_HWIFS