Common pattern of handling deferred probe can be simplified with
dev_err_probe() and devm_clk_get_optional().  Less code and the error
value gets printed.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>

---

Changes since v1:
1. Use also devm_clk_get_optional()
---
 drivers/input/keyboard/bcm-keypad.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/input/keyboard/bcm-keypad.c 
b/drivers/input/keyboard/bcm-keypad.c
index 2b771c3a5578..23e11b4efd13 100644
--- a/drivers/input/keyboard/bcm-keypad.c
+++ b/drivers/input/keyboard/bcm-keypad.c
@@ -376,17 +376,11 @@ static int bcm_kp_probe(struct platform_device *pdev)
                return PTR_ERR(kp->base);
 
        /* Enable clock */
-       kp->clk = devm_clk_get(&pdev->dev, "peri_clk");
+       kp->clk = devm_clk_get_optional(&pdev->dev, "peri_clk");
        if (IS_ERR(kp->clk)) {
-               error = PTR_ERR(kp->clk);
-               if (error != -ENOENT) {
-                       if (error != -EPROBE_DEFER)
-                               dev_err(&pdev->dev, "Failed to get clock\n");
-                       return error;
-               }
-               dev_dbg(&pdev->dev,
-                       "No clock specified. Assuming it's enabled\n");
-               kp->clk = NULL;
+               return dev_err_probe(&pdev->dev, error, "Failed to get 
clock\n");
+       } else if (!kp->clk) {
+               dev_dbg(&pdev->dev, "No clock specified. Assuming it's 
enabled\n");
        } else {
                unsigned int desired_rate;
                long actual_rate;
-- 
2.17.1

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