Re: [PATCH v2 13/17] power: supply: olpc_battery: Use DT to get battery version

From: Sebastian Reichel
Date: Wed Dec 05 2018 - 15:55:07 EST


Hi,

On Fri, Nov 16, 2018 at 05:23:59PM +0100, Lubomir Rintel wrote:
> 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@xxxxx>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Acked-by: Pavel Machek <pavel@xxxxxx>
>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>

I assume this patch cannot be applied to power-supply without patch
12 having been merged to avoid breaking XO1.5 devices temporarily?

-- Sebastian

> Changes since v1:
> - Sort the new include a bit higher
>
> 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..5323987d9284 100644
> --- a/drivers/power/supply/olpc_battery.c
> +++ b/drivers/power/supply/olpc_battery.c
> @@ -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 +623,13 @@ 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);
> --
> 2.19.1
>

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