spi: spi-cadence: Fix missing spi_controller_is_target() check

The spi_controller_is_target() check is missing for pm_runtime_disable()
in cdns_spi_remove(), add it.

Fixes: b1b9051 ("spi: spi-cadence: Add support for Slave mode")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://patch.msgid.link/20240923040015.3009329-4-ruanjinjie@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Jinjie Ruan

drivers/spi/spi-cadence.c

@@ -701,8 +701,10 @@ static void cdns_spi_remove(struct platform_device *pdev)
 
 	cdns_spi_write(xspi, CDNS_SPI_ER, CDNS_SPI_ER_DISABLE);
 
-	pm_runtime_disable(&pdev->dev);
-	pm_runtime_set_suspended(&pdev->dev);
+	if (!spi_controller_is_target(ctlr)) {
+		pm_runtime_disable(&pdev->dev);
+		pm_runtime_set_suspended(&pdev->dev);
+	}
 
 	spi_unregister_controller(ctlr);
 }