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Subject[PATCH 18/20] usb/gadget/udc: pch: Use pm_ptr() macro
Date
Use the newly introduced pm_ptr() macro, and mark the suspend/resume
functions __maybe_unused. These functions can then be moved outside the
CONFIG_PM_SUSPEND block, and the compiler can then process them and
detect build failures independently of the config. If unused, they will
simply be discarded by the compiler.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
drivers/usb/gadget/udc/pch_udc.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c
index 8afc31d94b0e..9e26b5ab3058 100644
--- a/drivers/usb/gadget/udc/pch_udc.c
+++ b/drivers/usb/gadget/udc/pch_udc.c
@@ -3042,8 +3042,7 @@ static void pch_udc_remove(struct pci_dev *pdev)
pch_udc_exit(dev);
}

-#ifdef CONFIG_PM_SLEEP
-static int pch_udc_suspend(struct device *d)
+static int __maybe_unused pch_udc_suspend(struct device *d)
{
struct pch_udc_dev *dev = dev_get_drvdata(d);

@@ -3053,16 +3052,12 @@ static int pch_udc_suspend(struct device *d)
return 0;
}

-static int pch_udc_resume(struct device *d)
+static int __maybe_unused pch_udc_resume(struct device *d)
{
return 0;
}

static SIMPLE_DEV_PM_OPS(pch_udc_pm, pch_udc_suspend, pch_udc_resume);
-#define PCH_UDC_PM_OPS (&pch_udc_pm)
-#else
-#define PCH_UDC_PM_OPS NULL
-#endif /* CONFIG_PM_SLEEP */

static int pch_udc_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
@@ -3171,7 +3166,7 @@ static struct pci_driver pch_udc_driver = {
.remove = pch_udc_remove,
.shutdown = pch_udc_shutdown,
.driver = {
- .pm = PCH_UDC_PM_OPS,
+ .pm = pm_ptr(&pch_udc_pm),
},
};

--
2.28.0
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