4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johan Hovold <[email protected]>

commit 551757eb052986ec81cebcc6301cc1c4f8dca938 upstream.

Make sure to deregister the pin controller in case rtc registration
fails.

Fixes: 57072758623f ("rtc: omap: switch to rtc_register_device")
Cc: stable <[email protected]>     # 4.14
Cc: Alexandre Belloni <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/rtc/rtc-omap.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -880,12 +880,14 @@ static int omap_rtc_probe(struct platfor
 
        ret = rtc_register_device(rtc->rtc);
        if (ret)
-               goto err;
+               goto err_deregister_pinctrl;
 
        rtc_nvmem_register(rtc->rtc, &omap_rtc_nvmem_config);
 
        return 0;
 
+err_deregister_pinctrl:
+       pinctrl_unregister(rtc->pctldev);
 err:
        clk_disable_unprepare(rtc->clk);
        device_init_wakeup(&pdev->dev, false);


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