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dmaengine: at_hdmac: Use pm_ptr() 

Use pm_ptr() macro to fill at_dma_driver.driver.pm. In case CONFIG_PM is
not enabled, the macro will return NULL. When NULL, at_dma_dev_pm_ops will
end up being unused, so prepend it with the __maybe_unused attribute.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20221025090306.297886-1-tudor.ambarus@microchip.com
Link: https://lore.kernel.org/r/20221025090306.297886-26-tudor.ambarus@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Tudor Ambarus 2022-10-25 12:02:59 +03:00 committed by Vinod Koul
parent 4c15a4c7f6
commit c23cd8c971
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/at_hdmac.c
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@ -2084,7 +2084,7 @@ static int at_dma_resume_noirq(struct device *dev)
return 0;
}
static const struct dev_pm_ops at_dma_dev_pm_ops = {
static const struct dev_pm_ops __maybe_unused at_dma_dev_pm_ops = {
.prepare = at_dma_prepare,
.suspend_noirq = at_dma_suspend_noirq,
.resume_noirq = at_dma_resume_noirq,
@ -2096,7 +2096,7 @@ static struct platform_driver at_dma_driver = {
.id_table = atdma_devtypes,
.driver = {
.name = "at_hdmac",
.pm = &at_dma_dev_pm_ops,
.pm = pm_ptr(&at_dma_dev_pm_ops),
.of_match_table = of_match_ptr(atmel_dma_dt_ids),
},
};