Reorder the timeout loop such that we first check if the condition is already true, and then call udelay() so if the condition is already true, break early.
Reviewed-by: Michal Simek <[email protected]> Signed-off-by: Moritz Fischer <[email protected]> Cc: Heiko Schocher <[email protected]> Cc: Michal Simek <[email protected]> Cc: [email protected] --- Changes from v1: - None --- drivers/i2c/i2c-cdns.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/i2c-cdns.c b/drivers/i2c/i2c-cdns.c index c1d6427..1c9fda8 100644 --- a/drivers/i2c/i2c-cdns.c +++ b/drivers/i2c/i2c-cdns.c @@ -130,10 +130,10 @@ static u32 cdns_i2c_wait(struct cdns_i2c_regs *cdns_i2c, u32 mask) int timeout, int_status; for (timeout = 0; timeout < 100; timeout++) { - udelay(100); int_status = readl(&cdns_i2c->interrupt_status); if (int_status & mask) break; + udelay(100); } /* Clear interrupt status flags */ -- 2.7.4 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
