linux-kernel - [PATCH] dmaengine: ti: k3-udma: define udma_pm_resume,suspend with CONFIG_PM

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Message-Id: <20230501025647.2905317-1-trix@redhat.com>
Date:   Sun, 30 Apr 2023 22:56:47 -0400
From:   Tom Rix <trix@...hat.com>
To:     peter.ujfalusi@...il.com, vkoul@...nel.org
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tom Rix <trix@...hat.com>
Subject: [PATCH] dmaengine: ti: k3-udma: define udma_pm_resume,suspend with CONFIG_PM_SLEEP

gcc reports
drivers/dma/ti/k3-udma.c:5552:12: error: ‘udma_pm_resume’
  defined but not used [-Werror=unused-function]
 5552 | static int udma_pm_resume(struct device *dev)
      |            ^~~~~~~~~~~~~~
drivers/dma/ti/k3-udma.c:5530:12: error: ‘udma_pm_suspend’
  defined but not used [-Werror=unused-function]
 5530 | static int udma_pm_suspend(struct device *dev)
      |            ^~~~~~~~~~~~~~~

These functions are used conditionally with CONFIG_PM_SLEEP,
so they should be likewise defined.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/dma/ti/k3-udma.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index fc3a2a05ab7b..f189b0f2e423 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -5527,6 +5527,7 @@ static int udma_probe(struct platform_device *pdev)
 	return ret;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int udma_pm_suspend(struct device *dev)
 {
 	struct udma_dev *ud = dev_get_drvdata(dev);
@@ -5573,6 +5574,7 @@ static int udma_pm_resume(struct device *dev)
 
 	return 0;
 }
+#endif
 
 static const struct dev_pm_ops udma_pm_ops = {
 	SET_LATE_SYSTEM_SLEEP_PM_OPS(udma_pm_suspend, udma_pm_resume)
-- 
2.27.0