diff mbox series

[RESEND,v2,2/2] power/supply/sbs-battery: Add ability to force load a battery via the devicetree

Message ID 1564481404-39505-3-git-send-email-rtresidd@electromag.com.au (mailing list archive)
State Not Applicable, archived
Headers show
Series power/supply/sbs-battery: Add ability to force load a battery via the devicetree | expand

Commit Message

Richard Tresidder July 30, 2019, 10:10 a.m. UTC 
Add the ability to force load a hot pluggable battery during boot where
there is no gpio detect method available and the module is statically
built. Normal polling will then occur on that battery when it is inserted.

Signed-off-by: Richard Tresidder <rtresidd@electromag.com.au>
---
 drivers/power/supply/sbs-battery.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c
index 048d205..b55721d 100644
--- a/drivers/power/supply/sbs-battery.c
+++ b/drivers/power/supply/sbs-battery.c
@@ -816,6 +816,7 @@  static int sbs_probe(struct i2c_client *client,
 	struct power_supply_config psy_cfg = {};
 	int rc;
 	int irq;
+	bool dt_force_load;
 
 	sbs_desc = devm_kmemdup(&client->dev, &sbs_default_desc,
 			sizeof(*sbs_desc), GFP_KERNEL);
@@ -852,6 +853,9 @@  static int sbs_probe(struct i2c_client *client,
 	if (rc)
 		chip->poll_retry_count = 0;
 
+	dt_force_load = of_property_read_bool(client->dev.of_node,
+						"sbs,force-load");
+
 	if (pdata) {
 		chip->poll_retry_count = pdata->poll_retry_count;
 		chip->i2c_retry_count  = pdata->i2c_retry_count;
@@ -890,7 +894,7 @@  static int sbs_probe(struct i2c_client *client,
 	 * Before we register, we might need to make sure we can actually talk
 	 * to the battery.
 	 */
-	if (!(force_load || chip->gpio_detect)) {
+	if (!(force_load || chip->gpio_detect || dt_force_load)) {
 		rc = sbs_read_word_data(client, sbs_data[REG_STATUS].addr);
 
 		if (rc < 0) {