From aafbdb1294f026e20617d9b1028f962af2e239c7 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Fri, 9 Oct 2015 13:02:51 -0700 Subject: [PATCH] staging: comedi: adv_pci1723: prefer using the BIT macro As suggested by checkpatch.pl, use the BIT macro to define the register bits. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/adv_pci1723.c | 33 +++++++++++++++------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/drivers/staging/comedi/drivers/adv_pci1723.c b/drivers/staging/comedi/drivers/adv_pci1723.c index 1921a97..f82afd9 100644 --- a/drivers/staging/comedi/drivers/adv_pci1723.c +++ b/drivers/staging/comedi/drivers/adv_pci1723.c @@ -51,25 +51,27 @@ #define PCI1723_BOARD_ID_REG 0x10 #define PCI1723_BOARD_ID_MASK (0xf << 0) #define PCI1723_SYNC_CTRL_REG 0x12 -#define PCI1723_SYNC_CTRL_ASYNC (0 << 0) -#define PCI1723_SYNC_CTRL_SYNC (1 << 0) +#define PCI1723_SYNC_CTRL(x) (((x) & 0x1) << 0) +#define PCI1723_SYNC_CTRL_ASYNC PCI1723_SYNC_CTRL(0) +#define PCI1723_SYNC_CTRL_SYNC PCI1723_SYNC_CTRL(1) #define PCI1723_CTRL_REG 0x14 -#define PCI1723_CTRL_BUSY (1 << 15) -#define PCI1723_CTRL_INIT (1 << 14) -#define PCI1723_CTRL_SELF (1 << 8) +#define PCI1723_CTRL_BUSY BIT(15) +#define PCI1723_CTRL_INIT BIT(14) +#define PCI1723_CTRL_SELF BIT(8) #define PCI1723_CTRL_IDX(x) (((x) & 0x3) << 6) #define PCI1723_CTRL_RANGE(x) (((x) & 0x3) << 4) -#define PCI1723_CTRL_GAIN (0 << 3) -#define PCI1723_CTRL_OFFSET (1 << 3) +#define PCI1723_CTRL_SEL(x) (((x) & 0x1) << 3) +#define PCI1723_CTRL_GAIN PCI1723_CTRL_SEL(0) +#define PCI1723_CTRL_OFFSET PCI1723_CTRL_SEL(1) #define PCI1723_CTRL_CHAN(x) (((x) & 0x7) << 0) #define PCI1723_CALIB_CTRL_REG 0x16 -#define PCI1723_CALIB_CTRL_CS (1 << 2) -#define PCI1723_CALIB_CTRL_DAT (1 << 1) -#define PCI1723_CALIB_CTRL_CLK (1 << 0) +#define PCI1723_CALIB_CTRL_CS BIT(2) +#define PCI1723_CALIB_CTRL_DAT BIT(1) +#define PCI1723_CALIB_CTRL_CLK BIT(0) #define PCI1723_CALIB_STROBE_REG 0x18 #define PCI1723_DIO_CTRL_REG 0x1a -#define PCI1723_DIO_CTRL_HDIO (1 << 1) -#define PCI1723_DIO_CTRL_LDIO (1 << 0) +#define PCI1723_DIO_CTRL_HDIO BIT(1) +#define PCI1723_DIO_CTRL_LDIO BIT(0) #define PCI1723_DIO_DATA_REG 0x1c #define PCI1723_CALIB_DATA_REG 0x1e #define PCI1723_SYNC_STROBE_REG 0x20 @@ -77,9 +79,10 @@ #define PCI1723_RESET_CALIB_STROBE_REG 0x24 #define PCI1723_RANGE_STROBE_REG 0x26 #define PCI1723_VREF_REG 0x28 -#define PCI1723_VREF_NEG10V (0 << 0) -#define PCI1723_VREF_0V (1 << 0) -#define PCI1723_VREF_POS10V (3 << 0) +#define PCI1723_VREF(x) (((x) & 0x3) << 0) +#define PCI1723_VREF_NEG10V PCI1723_VREF(0) +#define PCI1723_VREF_0V PCI1723_VREF(1) +#define PCI1723_VREF_POS10V PCI1723_VREF(3) static int pci1723_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, -- 2.7.4