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b43: Don't disable IRQs in mac_suspend 

This patch removes the IRQ-disable from mac_suspend.
The main advantage of this is to get rid of the IRQ-sync call in mac_suspend.
We need to remove the MAC suspend bit from the IRQ service mask, as otherwise
the IRQ handler would race with us.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch 2008-04-25 21:10:54 +02:00 committed by John W. Linville
parent f93d65feb3
commit e40ac414c0
2 changed files with 1 additions and 15 deletions
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3
drivers/net/wireless/b43/b43.h
View File

@ -410,8 +410,7 @@ enum {
#define B43_IRQ_TIMEOUT 0x80000000
#define B43_IRQ_ALL 0xFFFFFFFF
#define B43_IRQ_MASKTEMPLATE (B43_IRQ_MAC_SUSPENDED | \
B43_IRQ_TBTT_INDI | \
#define B43_IRQ_MASKTEMPLATE (B43_IRQ_TBTT_INDI | \
B43_IRQ_ATIM_END | \
B43_IRQ_PMQ | \
B43_IRQ_MAC_TXERR | \

13
drivers/net/wireless/b43/main.c
View File

@ -2322,11 +2322,6 @@ void b43_mac_enable(struct b43_wldev *dev)
b43_read32(dev, B43_MMIO_MACCTL);
b43_read32(dev, B43_MMIO_GEN_IRQ_REASON);
b43_power_saving_ctl_bits(dev, 0);
/* Re-enable IRQs. */
spin_lock_irq(&dev->wl->irq_lock);
b43_interrupt_enable(dev, dev->irq_savedstate);
spin_unlock_irq(&dev->wl->irq_lock);
}
}
@ -2340,14 +2335,6 @@ void b43_mac_suspend(struct b43_wldev *dev)
B43_WARN_ON(dev->mac_suspended < 0);
if (dev->mac_suspended == 0) {
/* Mask IRQs before suspending MAC. Otherwise
* the MAC stays busy and won't suspend. */
spin_lock_irq(&dev->wl->irq_lock);
tmp = b43_interrupt_disable(dev, B43_IRQ_ALL);
spin_unlock_irq(&dev->wl->irq_lock);
b43_synchronize_irq(dev);
dev->irq_savedstate = tmp;
b43_power_saving_ctl_bits(dev, B43_PS_AWAKE);
b43_write32(dev, B43_MMIO_MACCTL,
b43_read32(dev, B43_MMIO_MACCTL)