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tifm: clear interrupt mask bits before setting them on adapter init

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This should improve reliability of detection of cards already in socket on
driver load.

Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alex Dubov 2008-03-10 11:43:41 -07:00 • committed by Linus Torvalds
parent eebbe9ca78
commit e4c70e8521
1 changed files with 2 additions and 0 deletions
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2
drivers/misc/tifm_7xx1.c
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@ -367,6 +367,8 @@ static int tifm_7xx1_probe(struct pci_dev *dev,
if (rc) if (rc)
goto err_out_irq; goto err_out_irq;
writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1),
fm->addr + FM_CLEAR_INTERRUPT_ENABLE);
writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1), writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1),
fm->addr + FM_SET_INTERRUPT_ENABLE); fm->addr + FM_SET_INTERRUPT_ENABLE);
return 0; return 0;