From: Ben Dooks <[EMAIL PROTECTED]>
The s3c24xx_spi_txrx() function should initialise the completion
each time before using it, otherwise we end up with the possibility
of returning success before the interrupt handler has processed
all the data.
Signed-off-by: Ben Dooks <[EMAIL PROTECTED]>
Signed-off-by: David Brownell <[EMAIL PROTECTED]>
---
drivers/spi/spi_s3c24xx.c | 3 +++
1 file changed, 3 insertions(+)
--- at91.orig/drivers/spi/spi_s3c24xx.c 2008-04-15 10:30:32.000000000 -0700
+++ at91/drivers/spi/spi_s3c24xx.c 2008-04-15 10:30:35.000000000 -0700
@@ -192,8 +192,11 @@ static int s3c24xx_spi_txrx(struct spi_d
hw->len = t->len;
hw->count = 0;
+ init_completion(&hw->done);
+
/* send the first byte */
writeb(hw_txbyte(hw, 0), hw->regs + S3C2410_SPTDAT);
+
wait_for_completion(&hw->done);
return hw->count;
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