On 01/19/2018 11:41 AM, Dmitry Torokhov wrote:
> Let's explicitly document bit numbers with BIT() macro.
> 
> Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com>

Makes sense, but something should
#include <linux/bitops.h>

per Documentation/process/submit-checklist.rst Rule #1:
1) If you use a facility then #include the file that defines/declares
   that facility.  Don't depend on other header files pulling in ones
   that you use.


> ---
>  include/linux/libps2.h | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/include/linux/libps2.h b/include/linux/libps2.h
> index 365c50b097ded..649295a5ff47d 100644
> --- a/include/linux/libps2.h
> +++ b/include/linux/libps2.h
> @@ -20,11 +20,11 @@
>  #define PS2_RET_NAK          0xfe
>  #define PS2_RET_ERR          0xfc
>  
> -#define PS2_FLAG_ACK         1       /* Waiting for ACK/NAK */
> -#define PS2_FLAG_CMD         2       /* Waiting for command to finish */
> -#define PS2_FLAG_CMD1                4       /* Waiting for the first byte 
> of command response */
> -#define PS2_FLAG_WAITID              8       /* Command execiting is GET ID 
> */
> -#define PS2_FLAG_NAK         16      /* Last transmission was NAKed */
> +#define PS2_FLAG_ACK         BIT(0)  /* Waiting for ACK/NAK */
> +#define PS2_FLAG_CMD         BIT(1)  /* Waiting for a command to finish */
> +#define PS2_FLAG_CMD1                BIT(2)  /* Waiting for the first byte 
> of command response */
> +#define PS2_FLAG_WAITID              BIT(3)  /* Command executing is GET ID 
> */
> +#define PS2_FLAG_NAK         BIT(4)  /* Last transmission was NAKed */
>  
>  struct ps2dev {
>       struct serio *serio;
> 


-- 
~Randy

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