staging: comedi: pcmuio: remove 'CALC_N_SUBDEVS' macro
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Tue, 4 Jun 2013 01:02:34 +0000 (18:02 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 5 Jun 2013 22:33:32 +0000 (15:33 -0700)
This macro is only used once in the driver, just remove it.

This also fixes a > 80 char line checkpatch.pl warning.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/pcmuio.c

index 9d8b78015cbbcfc170b18b9d2022dd410b73f76a..8ce7e538d77e821555934a2cfa8308b91d22a3c9 100644 (file)
@@ -90,7 +90,6 @@
 #define INTR_PORTS_PER_SUBDEV (INTR_CHANS_PER_ASIC/CHANS_PER_PORT)
 #define MAX_DIO_CHANS   (PORTS_PER_ASIC*2*CHANS_PER_PORT)
 #define MAX_ASICS       (MAX_DIO_CHANS/CHANS_PER_ASIC)
-#define CALC_N_SUBDEVS(nchans) ((nchans)/MAX_CHANS_PER_SUBDEV + (!!((nchans)%MAX_CHANS_PER_SUBDEV)) /*+ (nchans > INTR_CHANS_PER_ASIC ? 2 : 1)*/)
 /* IO Memory sizes */
 #define ASIC_IOSIZE (0x10)
 #define PCMUIO48_IOSIZE ASIC_IOSIZE
@@ -809,7 +808,8 @@ static int pcmuio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        }
 
        chans_left = CHANS_PER_ASIC * board->num_asics;
-       n_subdevs = CALC_N_SUBDEVS(chans_left);
+       n_subdevs = (chans_left / MAX_CHANS_PER_SUBDEV) +
+                   (!!(chans_left % MAX_CHANS_PER_SUBDEV));
        devpriv->sprivs = kcalloc(n_subdevs,
                                  sizeof(struct pcmuio_subdev_private),
                                  GFP_KERNEL);