On Sat, Mar 25, 2017 at 12:52:58PM +0300, Ivan Safonov wrote:
> DIV_ROUND_UP is bit useful than series of "/" and "%" operations.
> Replace "/%" sequence with DIV_ROUND_UP macro.
>
> Signed-off-by: Ivan Safonov <insafonov@xxxxxxxxx>
Applied. Thanks.
-Bin.
> ---
> Changes in v2:
> - little style fix
>
> drivers/usb/musb/cppi_dma.c | 11 +++++------
> 1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
> index c4fabe95..a13bd36 100644
> --- a/drivers/usb/musb/cppi_dma.c
> +++ b/drivers/usb/musb/cppi_dma.c
> @@ -582,9 +582,10 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx)
> maxpacket = length;
> n_bds = 1;
> } else {
> - n_bds = length / maxpacket;
> - if (!length || (length % maxpacket))
> - n_bds++;
> + if (length)
> + n_bds = DIV_ROUND_UP(length, maxpacket);
> + else
> + n_bds = 1;
> n_bds = min(n_bds, (unsigned) NUM_TXCHAN_BD);
> length = min(n_bds * maxpacket, length);
> }
> @@ -790,9 +791,7 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket)
> n_bds = 0xffff / maxpacket;
> length = n_bds * maxpacket;
> } else {
> - n_bds = length / maxpacket;
> - if (length % maxpacket)
> - n_bds++;
> + n_bds = DIV_ROUND_UP(length, maxpacket);
> }
> if (n_bds == 1)
> onepacket = 1;
> --
> 2.10.2
>
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