[PATCH] remoteproc: stm32: fix incorrect optional pointers

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From: Arnd Bergmann <arnd@xxxxxxxx>

Compile-testing without CONFIG_OF shows that the of_match_ptr() macro
was used incorrectly here:

drivers/remoteproc/stm32_rproc.c:662:34: warning: unused variable 'stm32_rproc_match' [-Wunused-const-variable]

As in almost every driver, the solution is simply to remove the
use of this macro. The same thing happened with the deprecated
SIMPLE_DEV_PM_OPS(), but the corresponding warning was already shut
up with __maybe_unused annotations, so fix those as well by using the
correct DEFINE_SIMPLE_DEV_PM_OPS() macros and removing the extraneous
__maybe_unused modifiers. For completeness, also add a pm_ptr() to let
the PM ops be eliminated completely when CONFIG_PM is turned off.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202307242300.ia82qBTp-lkp@xxxxxxxxx
Fixes: 03bd158e1535e ("remoteproc: stm32: use correct format strings on 64-bit")
Fixes: 410119ee29b6c ("remoteproc: stm32: wakeup the system by wdg irq")
Fixes: 13140de09cc2d ("remoteproc: stm32: add an ST stm32_rproc driver")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
 drivers/remoteproc/stm32_rproc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 98234b44f0389..9d9b13530f78a 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -921,7 +921,7 @@ static void stm32_rproc_remove(struct platform_device *pdev)
-static int __maybe_unused stm32_rproc_suspend(struct device *dev)
+static int stm32_rproc_suspend(struct device *dev)
 	struct rproc *rproc = dev_get_drvdata(dev);
 	struct stm32_rproc *ddata = rproc->priv;
@@ -932,7 +932,7 @@ static int __maybe_unused stm32_rproc_suspend(struct device *dev)
 	return 0;
-static int __maybe_unused stm32_rproc_resume(struct device *dev)
+static int stm32_rproc_resume(struct device *dev)
 	struct rproc *rproc = dev_get_drvdata(dev);
 	struct stm32_rproc *ddata = rproc->priv;
@@ -943,16 +943,16 @@ static int __maybe_unused stm32_rproc_resume(struct device *dev)
 	return 0;
-static SIMPLE_DEV_PM_OPS(stm32_rproc_pm_ops,
-			 stm32_rproc_suspend, stm32_rproc_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(stm32_rproc_pm_ops,
+				stm32_rproc_suspend, stm32_rproc_resume);
 static struct platform_driver stm32_rproc_driver = {
 	.probe = stm32_rproc_probe,
 	.remove_new = stm32_rproc_remove,
 	.driver = {
 		.name = "stm32-rproc",
-		.pm = &stm32_rproc_pm_ops,
-		.of_match_table = of_match_ptr(stm32_rproc_match),
+		.pm = pm_ptr(&stm32_rproc_pm_ops),
+		.of_match_table = stm32_rproc_match,

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