diff options
| author | Samuel Iglesias Gonsalvez <siglesias@igalia.com> | 2012-06-25 15:15:46 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-25 17:50:00 (GMT) |
| commit | bae8bd165ae3fee0573eb7eb377a479cf26e4277 (patch) | |
| tree | 93fb01274408b6bfd8264cb0c78da485ae1bef72 /drivers/staging/ipack | |
| parent | 55c0a6f470517918a996a525325db6a88435c298 (diff) | |
| download | linux-fsl-qoriq-bae8bd165ae3fee0573eb7eb377a479cf26e4277.tar.xz | |
Staging: ipack/bridges/tpci200: remove unneeded lock in irq handler
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ipack')
| -rw-r--r-- | drivers/staging/ipack/bridges/tpci200.c | 5 | ||||
| -rw-r--r-- | drivers/staging/ipack/bridges/tpci200.h | 2 |
2 files changed, 0 insertions, 7 deletions
diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c index ae9f803..2b83fa8 100644 --- a/drivers/staging/ipack/bridges/tpci200.c +++ b/drivers/staging/ipack/bridges/tpci200.c @@ -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, diff --git a/drivers/staging/ipack/bridges/tpci200.h b/drivers/staging/ipack/bridges/tpci200.h index 97ff0d6..d04510a 100644 --- a/drivers/staging/ipack/bridges/tpci200.h +++ b/drivers/staging/ipack/bridges/tpci200.h @@ -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 { |