redonkable/alistair23-linux
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Staging: ipack/bridges/tpci200: remove unneeded lock in irq handler

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Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Samuel Iglesias Gonsalvez 2012-06-25 17:15:46 +02:00 committed by Greg Kroah-Hartman
parent 55c0a6f470
commit bae8bd165a
2 changed files with 0 additions and 7 deletions
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5
drivers/staging/ipack/bridges/tpci200.c
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@ -302,13 +302,10 @@ static irqreturn_t tpci200_interrupt(int irq, void *dev_id)
{
struct tpci200_board *tpci200 = (struct tpci200_board *) dev_id;
int i;
unsigned long flags;
unsigned short status_reg, reg_value;
unsigned short unhandled_ints = 0;
irqreturn_t ret = IRQ_NONE;
spin_lock_irqsave(&tpci200->info->access_lock, flags);
/* Read status register */
status_reg = readw(tpci200->info->interface_regs +
TPCI200_STATUS_REG);
@ -351,7 +348,6 @@ static irqreturn_t tpci200_interrupt(int irq, void *dev_id)
}
}
spin_unlock_irqrestore(&tpci200->info->access_lock, flags);
return ret;
}
@ -414,7 +410,6 @@ static int tpci200_register(struct tpci200_board *tpci200)
TPCI200_MEM8_SPACE_BAR),
TPCI200_MEM8_SIZE);
spin_lock_init(&tpci200->info->access_lock);
ioidint_base = pci_resource_start(tpci200->info->pdev,
TPCI200_IO_ID_INT_SPACES_BAR);
mem_base = pci_resource_start(tpci200->info->pdev,

2
drivers/staging/ipack/bridges/tpci200.h
View file

@ -136,7 +136,6 @@ struct tpci200_slot {
* @interface_regs Pointer to IP interface space (Bar 2)
* @ioidint_space Pointer to IP ID, IO and INT space (Bar 3)
* @mem8_space Pointer to MEM space (Bar 4)
* @access_lock Mutex lock for simultaneous access
*
*/
struct tpci200_infos {
@ -145,7 +144,6 @@ struct tpci200_infos {
void __iomem *interface_regs;
void __iomem *ioidint_space;
void __iomem *mem8_space;
spinlock_t access_lock;
struct ipack_bus_device *ipack_bus;
};
struct tpci200_board {