From: H Hartley Sweeten Date: Mon, 10 Nov 2014 23:20:08 +0000 (-0700) Subject: staging: comedi: addi_apci_1564: use correct I/O base for APCI1564_DI_INT_STATUS_REG X-Git-Tag: firefly_0821_release~176^2~2665^2~170 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=950a6f8714fd73d4348036413f21e056de4b10bd;p=firefly-linux-kernel-4.4.55.git staging: comedi: addi_apci_1564: use correct I/O base for APCI1564_DI_INT_STATUS_REG The APCI1564_DI_INT_STATUS_REG is located in the PCI BAR 0 I/O space. That base address is stored in devpriv->amcc_iobase. Use that to correctly read the register. Signed-off-by: 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 cf14b0a923d4..467e27838b56 100644 --- a/drivers/staging/comedi/drivers/addi_apci_1564.c +++ b/drivers/staging/comedi/drivers/addi_apci_1564.c @@ -85,8 +85,8 @@ static irqreturn_t apci1564_interrupt(int irq, void *d) outl(status & APCI1564_DI_INT_DISABLE, devpriv->amcc_iobase + APCI1564_DI_IRQ_REG); - s->state = inl(dev->iobase + APCI1564_DI_INT_STATUS_REG) - & 0xffff; + s->state = inl(devpriv->amcc_iobase + + APCI1564_DI_INT_STATUS_REG) & 0xffff; comedi_buf_write_samples(s, &s->state, 1); comedi_handle_events(dev, s);