mfd: exynos-lpass: Add missing remove() function

Disable device on driver remove and release allocated regmap.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/mfd/exynos-lpass.c b/drivers/mfd/exynos-lpass.c
index cbc4a48546c3..9325e0176761 100644
--- a/drivers/mfd/exynos-lpass.c
+++ b/drivers/mfd/exynos-lpass.c
@@ -138,6 +138,16 @@ static int exynos_lpass_probe(struct platform_device *pdev)
         return of_platform_populate(dev->of_node, NULL, NULL, dev);
 }
 
+static int exynos_lpass_remove(struct platform_device *pdev)
+{
+        struct exynos_lpass *lpass = platform_get_drvdata(pdev);
+
+        exynos_lpass_disable(lpass);
+        regmap_exit(lpass->top);
+
+        return 0;
+}
+
 static int __maybe_unused exynos_lpass_suspend(struct device *dev)
 {
         struct exynos_lpass *lpass = dev_get_drvdata(dev);
@@ -172,6 +182,7 @@ static struct platform_driver exynos_lpass_driver = {
                 .of_match_table = exynos_lpass_of_match,
         },
         .probe  = exynos_lpass_probe,
+        .remove = exynos_lpass_remove,
 };
 module_platform_driver(exynos_lpass_driver);