linux-kernel - [PATCH v2 02/12] remoteproc: stm32: Request IRQ with platform device

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Message-Id: <20200424202505.29562-3-mathieu.poirier@linaro.org>
Date:   Fri, 24 Apr 2020 14:24:55 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     bjorn.andersson@...aro.org, ohad@...ery.com,
        mcoquelin.stm32@...il.com, alexandre.torgue@...com
Cc:     loic.pallardy@...com, arnaud.pouliquen@...com,
        linux-remoteproc@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 02/12] remoteproc: stm32: Request IRQ with platform device

Request IRQ with platform device rather than remote proc in order to
call stm32_rproc_parse_dt() before rproc_alloc().  That way we can
know whether we need to synchronise with the MCU or not.

Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Reviewed-by: Loic Pallardy <loic.pallardy@...com>
---
 drivers/remoteproc/stm32_rproc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 91fd59af0ffe..1ac90adba9b1 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -261,7 +261,8 @@ static int stm32_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
 
 static irqreturn_t stm32_rproc_wdg(int irq, void *data)
 {
-	struct rproc *rproc = data;
+	struct platform_device *pdev = data;
+	struct rproc *rproc = platform_get_drvdata(pdev);
 
 	rproc_report_crash(rproc, RPROC_WATCHDOG);
 
@@ -553,7 +554,7 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev)
 
 	if (irq > 0) {
 		err = devm_request_irq(dev, irq, stm32_rproc_wdg, 0,
-				       dev_name(dev), rproc);
+				       dev_name(dev), pdev);
 		if (err) {
 			dev_err(dev, "failed to request wdg irq\n");
 			return err;
-- 
2.20.1