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authorHaavard Skinnemoen <[email protected]>2009-10-26 16:50:02 -0700
committerLinus Torvalds <[email protected]>2009-10-29 07:39:30 -0700
commit9d09daf8e891e6ed60f96fbaf765ba7bced8bad1 (patch)
tree1518c6f1fdfc9af99b81994cd7dc654bb97de6aa
parent6a7b95481d49f73991d3dbf8c1e696a24684ac05 (diff)
atmel_serial: fix bad BUILD_BUG_ON() usage
is_power_of_2() appears not to be constant enough for BUILD_BUG_ON() after the latest rework, so replace it with an open-coded test. Signed-off-by: Haavard Skinnemoen <[email protected]> Cc: Uwe Kleine-König <[email protected]> Cc: Jan Beulich <[email protected]> Cc: Haavard Skinnemoen <[email protected]> Cc: Alan Cox <[email protected]> Cc: Nicolas Ferre <[email protected]> Cc: Claudio Scordino <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--drivers/serial/atmel_serial.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 3551c5cb7094..9d948bccafaf 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -1531,7 +1531,7 @@ static int __devinit atmel_serial_probe(struct platform_device *pdev)
void *data;
int ret;
- BUILD_BUG_ON(!is_power_of_2(ATMEL_SERIAL_RINGSIZE));
+ BUILD_BUG_ON(ATMEL_SERIAL_RINGSIZE & (ATMEL_SERIAL_RINGSIZE - 1));
port = &atmel_ports[pdev->id];
port->backup_imr = 0;