[PATCH 12/15] power: supply: olpc_battery: Use DT to get battery version

Avoid using the x86 OLPC platform specific call to get the board
version. It won't work on FDT-based ARM MMP2 platform.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
---
 drivers/power/supply/olpc_battery.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/power/supply/olpc_battery.c b/drivers/power/supply/olpc_battery.c
index 5a97e42a3547..540d44bf536f 100644
--- a/drivers/power/supply/olpc_battery.c
+++ b/drivers/power/supply/olpc_battery.c

@@ -19,6 +19,7 @@
 #include <linux/jiffies.h>
 #include <linux/sched.h>
 #include <linux/olpc-ec.h>
+#include <linux/of.h>
 #include <asm/olpc.h>

@@ -622,11 +623,13 @@ static int olpc_battery_probe(struct platform_device *pdev)
        olpc_ac = power_supply_register(&pdev->dev, &olpc_ac_desc, NULL);
        if (IS_ERR(olpc_ac))
                return PTR_ERR(olpc_ac);
-
-       if (olpc_board_at_least(olpc_board_pre(0xd0))) { /* XO-1.5 */
+       if (of_property_match_string(pdev->dev.of_node, "compatible",
+                                       "olpc,xo1.5-battery") >= 0) {
+               /* XO-1.5 */
                olpc_bat_desc.properties = olpc_xo15_bat_props;
                olpc_bat_desc.num_properties = ARRAY_SIZE(olpc_xo15_bat_props);
-       } else { /* XO-1 */
+       } else {
+               /* XO-1 */
                olpc_bat_desc.properties = olpc_xo1_bat_props;
                olpc_bat_desc.num_properties = ARRAY_SIZE(olpc_xo1_bat_props);
        }

@@ -672,6 +675,7 @@ static int olpc_battery_remove(struct platform_device *pdev)

 static const struct of_device_id olpc_battery_ids[] = {
        { .compatible = "olpc,xo1-battery" },
+       { .compatible = "olpc,xo1.5-battery" },
        {}
 };
 MODULE_DEVICE_TABLE(of, olpc_battery_ids);
--

2.19.0