drivers/rtc/rtc-s3c.c: fix initialization failure without rtc source clock
Fix unconditional initialization failure on non-exynos3250 SoCs.
Commit df9e26d093
("rtc: s3c: add support for RTC of Exynos3250 SoC")
introduced rtc source clock support, but also added initialization
failure on SoCs, which doesn't need such clock.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -535,13 +535,15 @@ static int s3c_rtc_probe(struct platform_device *pdev)
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}
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clk_prepare_enable(info->rtc_clk);
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info->rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src");
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if (IS_ERR(info->rtc_src_clk)) {
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dev_err(&pdev->dev, "failed to find rtc source clock\n");
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return PTR_ERR(info->rtc_src_clk);
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if (info->data->needs_src_clk) {
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info->rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src");
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if (IS_ERR(info->rtc_src_clk)) {
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dev_err(&pdev->dev,
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"failed to find rtc source clock\n");
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return PTR_ERR(info->rtc_src_clk);
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}
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clk_prepare_enable(info->rtc_src_clk);
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}
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clk_prepare_enable(info->rtc_src_clk);
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/* check to see if everything is setup correctly */
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if (info->data->enable)
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