ARM: pxa: Add Balloon3 NAND ready check
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index d4649c0..ccb2d0c 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -612,9 +612,13 @@
BALLOON3_NAND_CONTROL_REG);
}
+static int balloon3_nand_dev_ready(struct mtd_info *mtd)
+{
+ return __raw_readl(BALLOON3_NAND_STAT_REG) & BALLOON3_NAND_STAT_RNB;
+}
+
static int balloon3_nand_probe(struct platform_device *pdev)
{
- void __iomem *temp_map;
uint16_t ver;
int ret;
@@ -684,7 +688,7 @@
},
.ctrl = {
.hwcontrol = 0,
- .dev_ready = 0,
+ .dev_ready = balloon3_nand_dev_ready,
.select_chip = balloon3_nand_select_chip,
.cmd_ctrl = balloon3_nand_cmd_ctl,
.probe = balloon3_nand_probe,