linux-kernel - [PATCH] remoteproc: stm32: manage the get

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Date:   Mon, 26 Aug 2019 17:38:29 +0200
From:   Fabien Dessenne <fabien.dessenne@...com>
To:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-remoteproc@...r.kernel.org>
CC:     Fabien Dessenne <fabien.dessenne@...com>,
        Loic Pallardy <loic.pallardy@...com>,
        Arnaud Pouliquen <arnaud.pouliquen@...com>
Subject: [PATCH] remoteproc: stm32: manage the get_irq probe defer case

Manage the -EPROBE_DEFER error case for "wdg" IRQ.

Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
---
 drivers/remoteproc/stm32_rproc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 1c95913..2cf4b29 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -517,6 +517,9 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev)
 	int err, irq;
 
 	irq = platform_get_irq(pdev, 0);
+	if (irq == -EPROBE_DEFER)
+		return -EPROBE_DEFER;
+
 	if (irq > 0) {
 		err = devm_request_irq(dev, irq, stm32_rproc_wdg, 0,
 				       dev_name(dev), rproc);
-- 
2.7.4