diff options
| author | Jens Taprogge <jens.taprogge@taprogge.org> | 2012-09-12 14:55:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-12 09:54:15 -0700 |
| commit | 9b27adbced2455bfd7e5d1b76a7f151de3d25dec (patch) | |
| tree | 11b5738793217c4ffc14d2031e0a5d31439fc7bf /drivers | |
| parent | 0118681b2bc2f182b7cd4c6569632cf2729cc73e (diff) | |
Staging: ipack/bridges/tpci200: Remove side effects of tpci200_{request,free}_irq.
Use the __tpci200_{set,clear}_mask routines to access control
register. Do not overwrite flags unrelated to interrupt handling.
Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/ipack/bridges/tpci200.c | 31 |
1 files changed, 6 insertions, 25 deletions
diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c index 25605196dbac..3285dade2dd8 100644 --- a/drivers/staging/ipack/bridges/tpci200.c +++ b/drivers/staging/ipack/bridges/tpci200.c @@ -278,37 +278,18 @@ out_disable_pci: static int __tpci200_request_irq(struct tpci200_board *tpci200, struct ipack_device *dev) { - unsigned short slot_ctrl; - - /* Set the default parameters of the slot - * INT0 enabled, level sensitive - * INT1 enabled, level sensitive - * error interrupt disabled - * timeout interrupt disabled - * recover time disabled - * clock rate 8 MHz - */ - slot_ctrl = TPCI200_INT0_EN | TPCI200_INT1_EN; - writew(slot_ctrl, &tpci200->info->interface_regs->control[dev->slot]); - + __tpci200_set_mask( + &tpci200->info->interface_regs->control[dev->slot], + TPCI200_INT0_EN | TPCI200_INT1_EN); return 0; } static void __tpci200_free_irq(struct tpci200_board *tpci200, struct ipack_device *dev) { - unsigned short slot_ctrl; - - /* Set the default parameters of the slot - * INT0 disabled, level sensitive - * INT1 disabled, level sensitive - * error interrupt disabled - * timeout interrupt disabled - * recover time disabled - * clock rate 8 MHz - */ - slot_ctrl = 0; - writew(slot_ctrl, &tpci200->info->interface_regs->control[dev->slot]); + __tpci200_clear_mask( + &tpci200->info->interface_regs->control[dev->slot], + TPCI200_INT0_EN | TPCI200_INT1_EN); } static int tpci200_free_irq(struct ipack_device *dev) |