diff mbox series

[2/4] Input: ep93xx_keypad - use BIT() and GENMASK() macros

Message ID 20211012013735.3523140-2-dmitry.torokhov@gmail.com (mailing list archive)
State New, archived
Headers show
Series [1/4] Input: ep93xx_keypad - annotate suspend/resume as __maybe_unused | expand

Commit Message

Dmitry Torokhov Oct. 12, 2021, 1:37 a.m. UTC
Also drop parenthesis around macros that do not use expressions as they are
not needed.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 drivers/input/keyboard/ep93xx_keypad.c | 37 +++++++++++++-------------
 1 file changed, 19 insertions(+), 18 deletions(-)

Comments

Alexander Sverdlin Oct. 12, 2021, 6:58 a.m. UTC | #1
Hi!

On Mon, 2021-10-11 at 18:37 -0700, Dmitry Torokhov wrote:
> Also drop parenthesis around macros that do not use expressions as they are
> not needed.
> 
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>

> ---
>  drivers/input/keyboard/ep93xx_keypad.c | 37 +++++++++++++-------------
>  1 file changed, 19 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
> index a0c6cdf8e0d3..6be5474ba2f2 100644
> --- a/drivers/input/keyboard/ep93xx_keypad.c
> +++ b/drivers/input/keyboard/ep93xx_keypad.c
> @@ -17,6 +17,7 @@
>   * flag.
>   */
>  
> +#include <linux/bits.h>
>  #include <linux/module.h>
>  #include <linux/platform_device.h>
>  #include <linux/interrupt.h>
> @@ -35,28 +36,28 @@
>  #define KEY_REG                        0x08    /* Key Value Capture register */
>  
>  /* Key Scan Initialization Register bit defines */
> -#define KEY_INIT_DBNC_MASK     (0x00ff0000)
> -#define KEY_INIT_DBNC_SHIFT    (16)
> -#define KEY_INIT_DIS3KY                (1<<15)
> -#define KEY_INIT_DIAG          (1<<14)
> -#define KEY_INIT_BACK          (1<<13)
> -#define KEY_INIT_T2            (1<<12)
> -#define KEY_INIT_PRSCL_MASK    (0x000003ff)
> -#define KEY_INIT_PRSCL_SHIFT   (0)
> +#define KEY_INIT_DBNC_MASK     GENMASK(23, 16)
> +#define KEY_INIT_DBNC_SHIFT    16
> +#define KEY_INIT_DIS3KY                BIT(15)
> +#define KEY_INIT_DIAG          BIT(14)
> +#define KEY_INIT_BACK          BIT(13)
> +#define KEY_INIT_T2            BIT(12)
> +#define KEY_INIT_PRSCL_MASK    GENMASK(9, 0)
> +#define KEY_INIT_PRSCL_SHIFT   0
>  
>  /* Key Scan Diagnostic Register bit defines */
> -#define KEY_DIAG_MASK          (0x0000003f)
> -#define KEY_DIAG_SHIFT         (0)
> +#define KEY_DIAG_MASK          GENMASK(5, 0)
> +#define KEY_DIAG_SHIFT         0
>  
>  /* Key Value Capture Register bit defines */
> -#define KEY_REG_K              (1<<15)
> -#define KEY_REG_INT            (1<<14)
> -#define KEY_REG_2KEYS          (1<<13)
> -#define KEY_REG_1KEY           (1<<12)
> -#define KEY_REG_KEY2_MASK      (0x00000fc0)
> -#define KEY_REG_KEY2_SHIFT     (6)
> -#define KEY_REG_KEY1_MASK      (0x0000003f)
> -#define KEY_REG_KEY1_SHIFT     (0)
> +#define KEY_REG_K              BIT(15)
> +#define KEY_REG_INT            BIT(14)
> +#define KEY_REG_2KEYS          BIT(13)
> +#define KEY_REG_1KEY           BIT(12)
> +#define KEY_REG_KEY2_MASK      GENMASK(11, 6)
> +#define KEY_REG_KEY2_SHIFT     6
> +#define KEY_REG_KEY1_MASK      GENMASK(5, 0)
> +#define KEY_REG_KEY1_SHIFT     0
>  
>  #define EP93XX_MATRIX_SIZE     (EP93XX_MATRIX_ROWS * EP93XX_MATRIX_COLS)
>
diff mbox series

Patch

diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index a0c6cdf8e0d3..6be5474ba2f2 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -17,6 +17,7 @@ 
  * flag.
  */
 
+#include <linux/bits.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
@@ -35,28 +36,28 @@ 
 #define KEY_REG			0x08	/* Key Value Capture register */
 
 /* Key Scan Initialization Register bit defines */
-#define KEY_INIT_DBNC_MASK	(0x00ff0000)
-#define KEY_INIT_DBNC_SHIFT	(16)
-#define KEY_INIT_DIS3KY		(1<<15)
-#define KEY_INIT_DIAG		(1<<14)
-#define KEY_INIT_BACK		(1<<13)
-#define KEY_INIT_T2		(1<<12)
-#define KEY_INIT_PRSCL_MASK	(0x000003ff)
-#define KEY_INIT_PRSCL_SHIFT	(0)
+#define KEY_INIT_DBNC_MASK	GENMASK(23, 16)
+#define KEY_INIT_DBNC_SHIFT	16
+#define KEY_INIT_DIS3KY		BIT(15)
+#define KEY_INIT_DIAG		BIT(14)
+#define KEY_INIT_BACK		BIT(13)
+#define KEY_INIT_T2		BIT(12)
+#define KEY_INIT_PRSCL_MASK	GENMASK(9, 0)
+#define KEY_INIT_PRSCL_SHIFT	0
 
 /* Key Scan Diagnostic Register bit defines */
-#define KEY_DIAG_MASK		(0x0000003f)
-#define KEY_DIAG_SHIFT		(0)
+#define KEY_DIAG_MASK		GENMASK(5, 0)
+#define KEY_DIAG_SHIFT		0
 
 /* Key Value Capture Register bit defines */
-#define KEY_REG_K		(1<<15)
-#define KEY_REG_INT		(1<<14)
-#define KEY_REG_2KEYS		(1<<13)
-#define KEY_REG_1KEY		(1<<12)
-#define KEY_REG_KEY2_MASK	(0x00000fc0)
-#define KEY_REG_KEY2_SHIFT	(6)
-#define KEY_REG_KEY1_MASK	(0x0000003f)
-#define KEY_REG_KEY1_SHIFT	(0)
+#define KEY_REG_K		BIT(15)
+#define KEY_REG_INT		BIT(14)
+#define KEY_REG_2KEYS		BIT(13)
+#define KEY_REG_1KEY		BIT(12)
+#define KEY_REG_KEY2_MASK	GENMASK(11, 6)
+#define KEY_REG_KEY2_SHIFT	6
+#define KEY_REG_KEY1_MASK	GENMASK(5, 0)
+#define KEY_REG_KEY1_SHIFT	0
 
 #define EP93XX_MATRIX_SIZE	(EP93XX_MATRIX_ROWS * EP93XX_MATRIX_COLS)