From: Matthew Gerlach <matthew.gerlach@xxxxxxxxxxxxxxx> The spi-altera driver was originally written with a 32 bit processor, where sizeof(unsigned long) is 4. On a 64 bit processor sizeof(unsigned long) is 8. Change the structure member to u32 to match the actual size of the control register. Signed-off-by: Matthew Gerlach <matthew.gerlach@xxxxxxxxxxxxxxx> Signed-off-by: Xu Yilun <yilun.xu@xxxxxxxxx> --- drivers/spi/spi-altera.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c index 4f7717f..d91c093 100644 --- a/drivers/spi/spi-altera.c +++ b/drivers/spi/spi-altera.c @@ -53,7 +53,7 @@ struct altera_spi { int len; int count; int bytes_per_word; - unsigned long imr; + u32 imr; /* data buffers */ const unsigned char *tx; -- 2.7.4