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| author | Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> | 2018-10-16 15:48:04 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-09 08:45:07 -0800 |
| commit | b312f6f4ac84bcd9587fd24316b5de7c3f319b88 (patch) | |
| tree | 6cb871e3a0e98e2c46620187b1a7430aa69df239 /drivers/tty | |
| parent | 0379b1163e509cfc4c18643b27231c04c78981ab (diff) | |
| download | linux-b312f6f4ac84bcd9587fd24316b5de7c3f319b88.tar.gz | |
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')
| -rw-r--r-- | drivers/tty/serial/uartlite.c | 2 |
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); |