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Message-ID: <5644D3DB.2020704@mev.co.uk>
Date: Thu, 12 Nov 2015 18:00:59 +0000
From: Ian Abbott <abbotti@....co.uk>
To: Ranjith Thangavel <ranjithece24@...il.com>,
gregkh@...uxfoundation.org
Cc: hsweeten@...ionengravers.com, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] comedi: ni_65xx: Fix coding style - use BIT macro
On 11/11/15 16:22, Ranjith Thangavel wrote:
> BIT macro is used for defining BIT location instead of
> shifting operator - coding style issue
>
> Signed-off-by: Ranjith Thangavel <ranjithece24@...il.com>
> ---
> drivers/staging/comedi/drivers/ni_65xx.c | 54 +++++++++++++++---------------
> 1 file changed, 27 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c
> index 800d574..251117b 100644
> --- a/drivers/staging/comedi/drivers/ni_65xx.c
> +++ b/drivers/staging/comedi/drivers/ni_65xx.c
> @@ -68,25 +68,25 @@
> /* Non-recurring Registers (8-bit except where noted) */
> #define NI_65XX_ID_REG 0x00
> #define NI_65XX_CLR_REG 0x01
> -#define NI_65XX_CLR_WDOG_INT (1 << 6)
> -#define NI_65XX_CLR_WDOG_PING (1 << 5)
> -#define NI_65XX_CLR_WDOG_EXP (1 << 4)
> -#define NI_65XX_CLR_EDGE_INT (1 << 3)
> -#define NI_65XX_CLR_OVERFLOW_INT (1 << 2)
> +#define NI_65XX_CLR_WDOG_INT BIT(6)
> +#define NI_65XX_CLR_WDOG_PING BIT(5)
> +#define NI_65XX_CLR_WDOG_EXP BIT(4)
> +#define NI_65XX_CLR_EDGE_INT BIT(3)
> +#define NI_65XX_CLR_OVERFLOW_INT BIT(2)
> #define NI_65XX_STATUS_REG 0x02
> -#define NI_65XX_STATUS_WDOG_INT (1 << 5)
> -#define NI_65XX_STATUS_FALL_EDGE (1 << 4)
> -#define NI_65XX_STATUS_RISE_EDGE (1 << 3)
> -#define NI_65XX_STATUS_INT (1 << 2)
> -#define NI_65XX_STATUS_OVERFLOW_INT (1 << 1)
> -#define NI_65XX_STATUS_EDGE_INT (1 << 0)
> +#define NI_65XX_STATUS_WDOG_INT BIT(5)
> +#define NI_65XX_STATUS_FALL_EDGE BIT(4)
> +#define NI_65XX_STATUS_RISE_EDGE BIT(3)
> +#define NI_65XX_STATUS_INT BIT(2)
> +#define NI_65XX_STATUS_OVERFLOW_INT BIT(1)
> +#define NI_65XX_STATUS_EDGE_INT BIT(0)
> #define NI_65XX_CTRL_REG 0x03
> -#define NI_65XX_CTRL_WDOG_ENA (1 << 5)
> -#define NI_65XX_CTRL_FALL_EDGE_ENA (1 << 4)
> -#define NI_65XX_CTRL_RISE_EDGE_ENA (1 << 3)
> -#define NI_65XX_CTRL_INT_ENA (1 << 2)
> -#define NI_65XX_CTRL_OVERFLOW_ENA (1 << 1)
> -#define NI_65XX_CTRL_EDGE_ENA (1 << 0)
> +#define NI_65XX_CTRL_WDOG_ENA BIT(5)
> +#define NI_65XX_CTRL_FALL_EDGE_ENA BIT(4)
> +#define NI_65XX_CTRL_RISE_EDGE_ENA BIT(3)
> +#define NI_65XX_CTRL_INT_ENA BIT(2)
> +#define NI_65XX_CTRL_OVERFLOW_ENA BIT(1)
> +#define NI_65XX_CTRL_EDGE_ENA BIT(0)
> #define NI_65XX_REV_REG 0x04 /* 32-bit */
> #define NI_65XX_FILTER_REG 0x08 /* 32-bit */
> #define NI_65XX_RTSI_ROUTE_REG 0x0c /* 16-bit */
> @@ -94,24 +94,24 @@
> #define NI_65XX_RTSI_WDOG_REG 0x10 /* 16-bit */
> #define NI_65XX_RTSI_TRIG_REG 0x12 /* 16-bit */
> #define NI_65XX_AUTO_CLK_SEL_REG 0x14 /* PXI-6528 only */
> -#define NI_65XX_AUTO_CLK_SEL_STATUS (1 << 1)
> -#define NI_65XX_AUTO_CLK_SEL_DISABLE (1 << 0)
> +#define NI_65XX_AUTO_CLK_SEL_STATUS BIT(1)
> +#define NI_65XX_AUTO_CLK_SEL_DISABLE BIT(0)
> #define NI_65XX_WDOG_CTRL_REG 0x15
> -#define NI_65XX_WDOG_CTRL_ENA (1 << 0)
> +#define NI_65XX_WDOG_CTRL_ENA BIT(0)
> #define NI_65XX_RTSI_CFG_REG 0x16
> -#define NI_65XX_RTSI_CFG_RISE_SENSE (1 << 2)
> -#define NI_65XX_RTSI_CFG_FALL_SENSE (1 << 1)
> -#define NI_65XX_RTSI_CFG_SYNC_DETECT (1 << 0)
> +#define NI_65XX_RTSI_CFG_RISE_SENSE BIT(2)
> +#define NI_65XX_RTSI_CFG_FALL_SENSE BIT(1)
> +#define NI_65XX_RTSI_CFG_SYNC_DETECT BIT(0)
> #define NI_65XX_WDOG_STATUS_REG 0x17
> -#define NI_65XX_WDOG_STATUS_EXP (1 << 0)
> +#define NI_65XX_WDOG_STATUS_EXP BIT(0)
> #define NI_65XX_WDOG_INTERVAL_REG 0x18 /* 32-bit */
>
> /* Recurring port registers (8-bit) */
> #define NI_65XX_PORT(x) ((x) * 0x10)
> #define NI_65XX_IO_DATA_REG(x) (0x40 + NI_65XX_PORT(x))
> #define NI_65XX_IO_SEL_REG(x) (0x41 + NI_65XX_PORT(x))
> -#define NI_65XX_IO_SEL_OUTPUT (0 << 0)
> -#define NI_65XX_IO_SEL_INPUT (1 << 0)
> +#define NI_65XX_IO_SEL_OUTPUT 0
> +#define NI_65XX_IO_SEL_INPUT BIT(0)
> #define NI_65XX_RISE_EDGE_ENA_REG(x) (0x42 + NI_65XX_PORT(x))
> #define NI_65XX_FALL_EDGE_ENA_REG(x) (0x43 + NI_65XX_PORT(x))
> #define NI_65XX_FILTER_ENA(x) (0x44 + NI_65XX_PORT(x))
> @@ -613,7 +613,7 @@ static int ni_65xx_intr_insn_config(struct comedi_device *dev,
>
> /* ripped from mite.h and mite_setup2() to avoid mite dependency */
> #define MITE_IODWBSR 0xc0 /* IO Device Window Base Size Register */
> -#define WENAB (1 << 7) /* window enable */
> +#define WENAB BIT(7) /* window enable */
>
> static int ni_65xx_mite_init(struct pci_dev *pcidev)
> {
>
Thanks!
Reviewed-by: Ian Abbott <abbotti@....co.uk>
--
-=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@....co.uk> )=-
-=( Web: http://www.mev.co.uk/ )=-
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