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power: supply: olpc_battery: Use DT to get battery version 

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

Add the XO 1.5 compatible string too. This is actually not completely
necessary as the battery nodes on XO 1.5 claim to be compatible with
"olpc,xo1-battery", but there are, in fact, differencies.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Lubomir Rintel 2019-04-18 16:46:50 +02:00 committed by Sebastian Reichel
parent a7a9bacb9a
commit f7a228eaf4
1 changed files with 6 additions and 3 deletions
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9
drivers/power/supply/olpc_battery.c
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@ -14,6 +14,7 @@
#include <linux/types.h>
#include <linux/err.h>
#include <linux/device.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <linux/jiffies.h>
@ -622,11 +623,12 @@ 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_device_is_compatible(pdev->dev.of_node, "olpc,xo1.5-battery")) {
/* 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 +674,7 @@ 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);