From: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Date: Tue, 13 Jul 2021 06:48:34 +0000 (+0530)
Subject: tty: serial: uartlite: Disable clocks in case of errors
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ed623dffdeebcc0acac7be6af4a301ee7169cd21;p=linux.git

tty: serial: uartlite: Disable clocks in case of errors

In case the uart registration fails the clocks are left enabled.
Disable the clock in case of errors.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20210713064835.27978-2-shubhrajyoti.datta@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index a5f15f22d9efe..0376c8607e898 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -784,6 +784,7 @@ static int ulite_probe(struct platform_device *pdev)
 		ret = uart_register_driver(&ulite_uart_driver);
 		if (ret < 0) {
 			dev_err(&pdev->dev, "Failed to register driver\n");
+			clk_disable_unprepare(pdata->clk);
 			return ret;
 		}
 	}