[PATCH v2 2/3] btmrvl: set irq_bt to -1 when failed to parse it

From	Jeffy Chen <jeffy.chen@rock-chips.com>
Newsgroups	linux.kernel
Subject	[PATCH v2 2/3] btmrvl: set irq_bt to -1 when failed to parse it
Date	2017-01-23 05:20 +0100
Message-ID	<t2EgO-1Ep-1@gated-at.bofh.it> (permalink)
References	<t2EgO-1Ep-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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 try to enable/disable it.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
---

Changes in v2:
Update commit message.

 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

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[PATCH v2 2/3] btmrvl: set irq_bt to -1 when failed to parse it Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-01-23 05:20 +0100

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