[PATCH 2/3] btmrvl: set irq_bt to -1 when failed to parse it
From: Jeffy Chen
Date: Fri Jan 20 2017 - 06:24:31 EST
The irq_of_parse_and_map will return 0 as a invalid irq.
Set irq_bt to -1 in this case, so that the btmrvl resume/suspend code
would not get confused.
Signed-off-by: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>
---
drivers/bluetooth/btmrvl_sdio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index c738bae..796f719 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -97,6 +97,7 @@ static int btmrvl_sdio_probe_of(struct device *dev,
cfg->irq_bt = irq_of_parse_and_map(card->plt_of_node, 0);
if (!cfg->irq_bt) {
dev_err(dev, "fail to parse irq_bt from device tree");
+ cfg->irq_bt = -1;
} else {
ret = devm_request_irq(dev, cfg->irq_bt,
btmrvl_wake_irq_bt,
--
2.1.4