From: H Hartley Sweeten Date: Fri, 30 Aug 2013 18:10:39 +0000 (-0700) Subject: staging: comedi: me_daq: use comedi_dio_update_state() X-Git-Tag: v3.13-rc1~170^2~761 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1cc5a338674d468b8995add959b9c2eef23ecc7d;p=profile%2Fivi%2Fkernel-x86-ivi.git staging: comedi: me_daq: use comedi_dio_update_state() The extra mask used to only update the channels configured as outputs is not necessary in this driver. Remove it and use comedi_dio_update_state() to handle the boilerplate code to update the subdevice s->state. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c index 00ebf4d..24ec9ef 100644 --- a/drivers/staging/comedi/drivers/me_daq.c +++ b/drivers/staging/comedi/drivers/me_daq.c @@ -222,15 +222,11 @@ static int me_dio_insn_bits(struct comedi_device *dev, struct me_private_data *dev_private = dev->private; void __iomem *mmio_porta = dev_private->me_regbase + ME_DIO_PORT_A; void __iomem *mmio_portb = dev_private->me_regbase + ME_DIO_PORT_B; - unsigned int mask = data[0]; - unsigned int bits = data[1]; + unsigned int mask; unsigned int val; - mask &= s->io_bits; /* only update the COMEDI_OUTPUT channels */ + mask = comedi_dio_update_state(s, data); if (mask) { - s->state &= ~mask; - s->state |= (bits & mask); - if (mask & 0x0000ffff) writew((s->state & 0xffff), mmio_porta); if (mask & 0xffff0000)