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dmaengine: at_hdmac: Use pm_ptr()
author
Tudor Ambarus
<tudor.ambarus@microchip.com>
Tue, 25 Oct 2022 09:02:59 +0000
(12:02 +0300)
committer
Vinod Koul
<vkoul@kernel.org>
Fri, 11 Nov 2022 06:45:08 +0000
(12:15 +0530)
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>
drivers/dma/at_hdmac.c
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diff --git
a/drivers/dma/at_hdmac.c
b/drivers/dma/at_hdmac.c
index
444aa7d
..
4e3c519
100644
(file)
--- a/
drivers/dma/at_hdmac.c
+++ b/
drivers/dma/at_hdmac.c
@@
-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),
},
};