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>
---
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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