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authorSireesh Kodali <sireeshkodali1@gmail.com>2022-05-26 19:47:39 +0530
committerBjorn Andersson <bjorn.andersson@linaro.org>2022-07-06 22:24:37 -0500
commitbed0adac1ded4cb486ba19a3a7e730fbd9a1c9c6 (patch)
treeae808ec44615ba0a6be7e6f246475e7d2f2df5ad
parent385fad1303afb89ab08412d56fc28c15bb551b26 (diff)
remoteproc: qcom: wcnss: Fix handling of IRQs
The wcnss_get_irq function is expected to return a value > 0 in the event that an IRQ is succssfully obtained, but it instead returns 0. This causes the stop and ready IRQs to never actually be used despite being defined in the device-tree. This patch fixes that. Fixes: aed361adca9f ("remoteproc: qcom: Introduce WCNSS peripheral image loader") Signed-off-by: Sireesh Kodali <sireeshkodali1@gmail.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220526141740.15834-2-sireeshkodali1@gmail.com
-rw-r--r--drivers/remoteproc/qcom_wcnss.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
index 9a223d394087..68f37296b151 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -467,6 +467,7 @@ static int wcnss_request_irq(struct qcom_wcnss *wcnss,
irq_handler_t thread_fn)
{
int ret;
+ int irq_number;
ret = platform_get_irq_byname(pdev, name);
if (ret < 0 && optional) {
@@ -477,14 +478,19 @@ static int wcnss_request_irq(struct qcom_wcnss *wcnss,
return ret;
}
+ irq_number = ret;
+
ret = devm_request_threaded_irq(&pdev->dev, ret,
NULL, thread_fn,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
"wcnss", wcnss);
- if (ret)
+ if (ret) {
dev_err(&pdev->dev, "request %s IRQ failed\n", name);
+ return ret;
+ }
- return ret;
+ /* Return the IRQ number if the IRQ was successfully acquired */
+ return irq_number;
}
static int wcnss_alloc_memory_region(struct qcom_wcnss *wcnss)