Use DIV_ROUND_UP() instead of open-coding it. This documents intent and makes it more clear what is going on for the casual reviewer.
Generated using the following the Coccinelle semantic patch.
// <smpl> @r1@ expression x; constant C1; constant C2; @@ (x + C1) / C2
@script:python@ C1 << r1.C1; C2 << r1.C2; @@ try: if int(C1) != int(C2) - 1: cocci.include_match(False) except: cocci.include_match(False)
@@ expression r1.x; constant r1.C1; constant r1.C2; @@ -(((x) + C1) / C2) +DIV_ROUND_UP(x, C2) // </smpl>
Signed-off-by: Lars-Peter Clausen lars@metafoo.de --- sound/pci/bt87x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/pci/bt87x.c b/sound/pci/bt87x.c index 54cb223caa2f..cf9f8d80a0b6 100644 --- a/sound/pci/bt87x.c +++ b/sound/pci/bt87x.c @@ -327,7 +327,8 @@ static irqreturn_t snd_bt87x_interrupt(int irq, void *dev_id) current_block = chip->current_line * 16 / chip->lines; irq_block = status >> INT_RISCS_SHIFT; if (current_block != irq_block) - chip->current_line = (irq_block * chip->lines + 15) / 16; + chip->current_line = DIV_ROUND_UP(irq_block * chip->lines, + 16);
snd_pcm_period_elapsed(chip->substream); }