From: Bartlomiej Zolnierkiewicz <[email protected]>
Subject: [PATCH] ide: remove IDE_ARCH_INTR

This micro-optimization is not worth it.  Just always check for
existence of ->ack_intr method in ide_intr() and ide_timer_expiry().

Cc: Geert Uytterhoeven <[email protected]>
Cc: Michael Schmitz <[email protected]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
---
 drivers/ide/ide-io.c   |    5 +++--
 include/asm-m68k/ide.h |    3 ---
 include/linux/ide.h    |    5 -----
 3 files changed, 3 insertions(+), 10 deletions(-)

Index: b/drivers/ide/ide-io.c
===================================================================
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -736,7 +736,8 @@ void ide_timer_expiry (unsigned long dat
                } else if (drive_is_ready(drive)) {
                        if (drive->waiting_for_dma)
                                hwif->dma_ops->dma_lost_irq(drive);
-                       (void)ide_ack_intr(hwif);
+                       if (hwif->ack_intr(hwif))
+                               hwif->ack_intr(hwif);
                        printk(KERN_WARNING "%s: lost interrupt\n",
                                drive->name);
                        startstop = handler(drive);
@@ -851,7 +852,7 @@ irqreturn_t ide_intr (int irq, void *dev
 
        spin_lock_irqsave(&hwif->lock, flags);
 
-       if (!ide_ack_intr(hwif))
+       if (hwif->ack_intr && hwif->ack_intr(hwif) == 0)
                goto out;
 
        handler = hwif->handler;
Index: b/include/asm-m68k/ide.h
===================================================================
--- a/include/asm-m68k/ide.h
+++ b/include/asm-m68k/ide.h
@@ -123,8 +123,5 @@ ide_get_lock(irq_handler_t handler, void
 }
 #endif /* CONFIG_BLK_DEV_FALCON_IDE */
 
-#define IDE_ARCH_ACK_INTR
-#define ide_ack_intr(hwif)     ((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
-
 #endif /* __KERNEL__ */
 #endif /* _M68K_IDE_H */
Index: b/include/linux/ide.h
===================================================================
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -202,11 +202,6 @@ static inline void ide_std_init_ports(hw
 
 #define MAX_HWIFS      10
 
-/* Currently only m68k, apus and m8xx need it */
-#ifndef IDE_ARCH_ACK_INTR
-# define ide_ack_intr(hwif) (1)
-#endif
-
 /* Currently only Atari needs it */
 #ifndef IDE_ARCH_LOCK
 # define ide_release_lock()                    do {} while (0)
--
To unsubscribe from this list: send the line "unsubscribe linux-m68k" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to