From ea42d7a67a9e2b2e780eacbf9b2c3848c9ce2a0f Mon Sep 17 00:00:00 2001 From: Shubhrajyoti Datta Date: Mon, 6 Aug 2018 14:22:11 +0530 Subject: [PATCH] tty: serial: uartlite: Enable clocks at probe At probe the uartlite is getting configured. Enable the clocks before assiging uart and disable after probe is done. Signed-off-by: Shubhrajyoti Datta Signed-off-by: Michal Simek Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/uartlite.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c index 98d3eadd2fd0..69411b6cc2a2 100644 --- a/drivers/tty/serial/uartlite.c +++ b/drivers/tty/serial/uartlite.c @@ -776,13 +776,17 @@ static int ulite_probe(struct platform_device *pdev) pdata->clk = NULL; } - ret = clk_prepare(pdata->clk); + ret = clk_prepare_enable(pdata->clk); if (ret) { dev_err(&pdev->dev, "Failed to prepare clock\n"); return ret; } - return ulite_assign(&pdev->dev, id, res->start, irq, pdata); + ret = ulite_assign(&pdev->dev, id, res->start, irq, pdata); + + clk_disable(pdata->clk); + + return ret; } static int ulite_remove(struct platform_device *pdev) -- 2.11.0