spi: bcm63xx-spi: fix pm_runtime

The driver sets auto_runtime_pm to true, but it doesn't call
pm_runtime_enable(), which results in "Failed to power device" when PM support
is enabled.

Signed-off-by: Álvaro Fernández Rojas <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-bcm63xx.c

···
 
 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
 
+	pm_runtime_enable(&pdev->dev);
+
 	/* register and we are done */
 	ret = devm_spi_register_master(dev, master);
 	if (ret) {
 		dev_err(dev, "spi register failed\n");
-		goto out_clk_disable;
+		goto out_pm_disable;
 	}
 
 	dev_info(dev, "at %pr (irq %d, FIFOs size %d)\n",
···
 
 	return 0;
 
+out_pm_disable:
+	pm_runtime_disable(&pdev->dev);
 out_clk_disable:
 	clk_disable_unprepare(clk);
 out_err: