dmaengine: nbpfaxi: Use dev_get_drvdata()

Using dev_get_drvdata directly.

Cc: Vinod Koul <[e-mail]>
Cc: [e-mail]
Signed-off-by: Kefeng Wang <[e-mail]>
Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/nbpfaxi.c

···
 #ifdef CONFIG_PM
 static int nbpf_runtime_suspend(struct device *dev)
 {
-	struct nbpf_device *nbpf = platform_get_drvdata(to_platform_device(dev));
+	struct nbpf_device *nbpf = dev_get_drvdata(dev);
 	clk_disable_unprepare(nbpf->clk);
 	return 0;
 }
 
 static int nbpf_runtime_resume(struct device *dev)
 {
-	struct nbpf_device *nbpf = platform_get_drvdata(to_platform_device(dev));
+	struct nbpf_device *nbpf = dev_get_drvdata(dev);
 	return clk_prepare_enable(nbpf->clk);
 }
 #endif