Return different error code depending on the reason so that the caller can know the cause of the failure.
Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---
arch/arm/mach-uniphier/ddrphy/ddrphy-training.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-uniphier/ddrphy/ddrphy-training.c b/arch/arm/mach-uniphier/ddrphy/ddrphy-training.c index b4d369a..4852f2d 100644 --- a/arch/arm/mach-uniphier/ddrphy/ddrphy-training.c +++ b/arch/arm/mach-uniphier/ddrphy/ddrphy-training.c @@ -5,6 +5,7 @@ */
#include <common.h> +#include <linux/err.h> #include <linux/io.h> #include <mach/ddrphy-regs.h>
@@ -117,7 +118,7 @@ int ddrphy_training(struct ddrphy __iomem *phy) if (--timeout < 0) { printf("%s: error: timeout during DDR training\n", __func__); - return -1; + return -ETIMEDOUT; } udelay(1); pgsr0 = readl(&phy->pgsr[0]); @@ -127,7 +128,7 @@ int ddrphy_training(struct ddrphy __iomem *phy) if (pgsr0 & init_sequence[i].err_flag) { printf("%s: error: %s failed\n", __func__, init_sequence[i].description); - return -1; + return -EIO; } }