2010-01-01 17:25:19

by Robert P. J. Day

[permalink] [raw]
Subject: [PATCH] SPI: Fix apparently reversed args to time_before().


Signed-off-by: Robert P. J. Day <[email protected]>

---

given that the macro this is contained in reads:

#define busy_wait(cond) \
({ \
unsigned long end_jiffies = jiffies + STMP_SPI_TIMEOUT; \
bool succeeded = false; \
do { \
if (cond) { \
succeeded = true; \
break; \
} \
cpu_relax(); \
} while (time_before(jiffies, end_jiffies)); \
succeeded; \
})

it seems obvious that those args are in the wrong order.

diff --git a/drivers/spi/spi_stmp.c b/drivers/spi/spi_stmp.c
index 2552bb3..fadff76 100644
--- a/drivers/spi/spi_stmp.c
+++ b/drivers/spi/spi_stmp.c
@@ -76,7 +76,7 @@ struct stmp_spi {
break; \
} \
cpu_relax(); \
- } while (time_before(end_jiffies, jiffies)); \
+ } while (time_before(jiffies, end_jiffies)); \
succeeded; \
})



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Robert P. J. Day Waterloo, Ontario, CANADA

Linux Consulting, Training and Kernel Pedantry.

Web page: http://crashcourse.ca
Twitter: http://twitter.com/rpjday
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