netdev - Re: [PATCH net-next] liquidio: standardization: use min

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Date:   Sun, 25 Jun 2017 09:09:06 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Felix Manlunas <felix.manlunas@...ium.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        raghu.vatsavayi@...ium.com, derek.chickles@...ium.com,
        satananda.burla@...ium.com, ricardo.farrington@...ium.com
Subject: Re: [PATCH net-next] liquidio: standardization: use min_t instead of
 custom macro

On Sat, Jun 24, 2017 at 04:31:56AM -0700, Felix Manlunas wrote:
> From: Rick Farrington <ricardo.farrington@...ium.com>
>
> Replaced custom MIN macro with use of standard 'min_t'.
>
> Signed-off-by: Rick Farrington <ricardo.farrington@...ium.com>
> Signed-off-by: Derek Chickles <derek.chickles@...ium.com>
> Signed-off-by: Felix Manlunas <felix.manlunas@...ium.com>
> ---
>  drivers/net/ethernet/cavium/liquidio/octeon_console.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_console.c b/drivers/net/ethernet/cavium/liquidio/octeon_console.c
> index 53f38d0..2dc0e30 100644
> --- a/drivers/net/ethernet/cavium/liquidio/octeon_console.c
> +++ b/drivers/net/ethernet/cavium/liquidio/octeon_console.c
> @@ -42,7 +42,6 @@ static int octeon_console_read(struct octeon_device *oct, u32 console_num,
>  MODULE_PARM_DESC(console_bitmask,
>  		 "Bitmask indicating which consoles have debug output redirected to syslog.");
>
> -#define MIN(a, b) min((a), (b))
>  #define CAST_ULL(v) ((u64)(v))

It will be awesome to drop this macro too. It is used in one place and
hides important information.

Thanks

>
>  #define BOOTLOADER_PCI_READ_BUFFER_DATA_ADDR    0x0006c008
> @@ -704,7 +703,7 @@ static int octeon_console_read(struct octeon_device *oct, u32 console_num,
>  	if (bytes_to_read <= 0)
>  		return bytes_to_read;
>
> -	bytes_to_read = MIN(bytes_to_read, (s32)buf_size);
> +	bytes_to_read = min_t(s32, bytes_to_read, buf_size);
>
>  	/* Check to see if what we want to read is not contiguous, and limit
>  	 * ourselves to the contiguous block
> --
> 1.8.3.1
>

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