When compiling the driver with gcc 4.8, it gives the following warning: drivers/ata/sata_rcar.c: In function `sata_rcar_thaw': drivers/ata/sata_rcar.c:183:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] Fix the warning by explicit cast of the 'unsigned long' value to 'u32'. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx> --- This patch is against 'for-3.10-fixes' branch of Tejun Heo's 'libata.git' repo. Tejun, does it fix the warning for you? drivers/ata/sata_rcar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: libata/drivers/ata/sata_rcar.c =================================================================== --- libata.orig/drivers/ata/sata_rcar.c +++ libata/drivers/ata/sata_rcar.c @@ -180,7 +180,7 @@ static void sata_rcar_thaw(struct ata_po struct sata_rcar_priv *priv = ap->host->private_data; /* ack */ - iowrite32(~SATA_RCAR_INT_MASK, priv->base + SATAINTSTAT_REG); + iowrite32(~(u32)SATA_RCAR_INT_MASK, priv->base + SATAINTSTAT_REG); ata_sff_thaw(ap); -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html