[Intel-wired-lan] [PATCH intel-next 1/3] ice: remove u16 arithmetic in ice_gnss

Paul Menzel pmenzel at molgen.mpg.de
Fri Apr 15 13:50:52 UTC 2022


Dear Karol,


Am 15.04.22 um 12:31 schrieb Karol Kolacinski:
> Change u16 to u32 where arithmetic occured.

occur*r*e*s*

Why does 16-bit width not work?


Kind regards,

Paul


> Signed-off-by: Karol Kolacinski <karol.kolacinski at intel.com>
> ---
>   drivers/net/ethernet/intel/ice/ice_gnss.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_gnss.c b/drivers/net/ethernet/intel/ice/ice_gnss.c
> index 57586a2e6dec..f0b2091c3b5f 100644
> --- a/drivers/net/ethernet/intel/ice/ice_gnss.c
> +++ b/drivers/net/ethernet/intel/ice/ice_gnss.c
> @@ -23,7 +23,7 @@ static void ice_gnss_read(struct kthread_work *work)
>   	struct ice_hw *hw;
>   	__be16 data_len_b;
>   	char *buf = NULL;
> -	u16 i, data_len;
> +	u32 i, data_len;

Why does the length need to be specified at all, and no native types can 
be used?


Kind regards,

Paul


>   	int err = 0;
>   
>   	pf = gnss->back;
> @@ -65,7 +65,7 @@ static void ice_gnss_read(struct kthread_work *work)
>   		mdelay(10);
>   	}
>   
> -	data_len = min(data_len, (u16)PAGE_SIZE);
> +	data_len = min_t(typeof(data_len), data_len, PAGE_SIZE);
>   	data_len = tty_buffer_request_room(port, data_len);
>   	if (!data_len) {
>   		err = -ENOMEM;
> @@ -74,7 +74,7 @@ static void ice_gnss_read(struct kthread_work *work)
>   
>   	/* Read received data */
>   	for (i = 0; i < data_len; i += bytes_read) {
> -		u16 bytes_left = data_len - i;
> +		u32 bytes_left = data_len - i;
>   
>   		bytes_read = min_t(typeof(bytes_left), bytes_left, ICE_MAX_I2C_DATA_SIZE);
>   


More information about the Intel-wired-lan mailing list