From 9b27adbced2455bfd7e5d1b76a7f151de3d25dec Mon Sep 17 00:00:00 2001 From: Jens Taprogge Date: Wed, 12 Sep 2012 14:55:24 +0200 Subject: [PATCH] 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 Signed-off-by: Samuel Iglesias Gonsalvez Signed-off-by: Greg Kroah-Hartman --- drivers/staging/ipack/bridges/tpci200.c | 31 +++++-------------------- 1 file changed, 6 insertions(+), 25 deletions(-) diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c index 25605196dba..3285dade2dd 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) -- 2.41.0