From: Chase Southwood Date: Thu, 3 Jul 2014 02:17:04 +0000 (-0500) Subject: staging: comedi: addi_apci_1564: fix use of apci1564_reset() to disable DI interrupts X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f89ced89d8c0d155e8d802612e3860a440d04afe;p=deliverable%2Flinux.git staging: comedi: addi_apci_1564: fix use of apci1564_reset() to disable DI interrupts apci1564_cos_insn_config() is currently using apci1564_reset() to disable digital input interrupts when the configuration operation is COMEDI_DIGITAL_TRIG_DISABLE. However, this is incorrect as the device reset function also resets the registers for the digital outputs, timer, watchdog, and counters as well. Replace the reset function call with a direct disabling of just the digital input interrupts. Signed-off-by: Chase Southwood Cc: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/addi_apci_1564.c b/drivers/staging/comedi/drivers/addi_apci_1564.c index 59786e7c9582..0141ed9592da 100644 --- a/drivers/staging/comedi/drivers/addi_apci_1564.c +++ b/drivers/staging/comedi/drivers/addi_apci_1564.c @@ -285,7 +285,10 @@ static int apci1564_cos_insn_config(struct comedi_device *dev, devpriv->ctrl = 0; devpriv->mode1 = 0; devpriv->mode2 = 0; - apci1564_reset(dev); + outl(0x0, devpriv->amcc_iobase + APCI1564_DI_IRQ_REG); + inl(devpriv->amcc_iobase + APCI1564_DI_INT_STATUS_REG); + outl(0x0, devpriv->amcc_iobase + APCI1564_DI_INT_MODE1_REG); + outl(0x0, devpriv->amcc_iobase + APCI1564_DI_INT_MODE2_REG); break; case COMEDI_DIGITAL_TRIG_ENABLE_EDGES: if (devpriv->ctrl != (APCI1564_DI_INT_ENABLE |