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authorShubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>2018-10-16 15:48:04 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-11-09 08:45:07 -0800
commitb312f6f4ac84bcd9587fd24316b5de7c3f319b88 (patch)
tree6cb871e3a0e98e2c46620187b1a7430aa69df239 /drivers/tty/serial
parent0379b1163e509cfc4c18643b27231c04c78981ab (diff)
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serial-uartlite: Fix the unbind path
Currently the clocks are not enabled at probe but when the port is used. Remove the unconditional disable at remove. Fixes the below [ 77.660196] ------------[ cut here ]------------ [ 77.664749] WARNING: CPU: 0 PID: 1992 at drivers/clk/clk.c:622 clk_core_disable+0x78/0x80 [ 77.672892] Modules linked in: [ 77.675930] CPU: 0 PID: 1992 Comm: sh Not tainted 4.14.0 #23 [ 77.681570] Hardware name: xlnx,zynqmp (DT) [ 77.685736] task: ffffffc879e2e580 task.stack: ffffff800be30000 [ 77.691641] PC is at clk_core_disable+0x78/0x80 Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/uartlite.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 58296ebb9f7e..4a7989df5ff5 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -857,7 +857,7 @@ static int ulite_remove(struct platform_device *pdev)
struct uartlite_data *pdata = port->private_data;
int rc;
- clk_disable_unprepare(pdata->clk);
+ clk_unprepare(pdata->clk);
rc = ulite_release(&pdev->dev);
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);