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soc: samsung: exynos-asv: don't defer early on not-supported SoCs 

Check if the SoC is really supported before gathering the needed
resources. This fixes endless deferred probe on some SoCs other than
Exynos5422 (like Exynos5410).

Fixes: 5ea428595c ("soc: samsung: Add Exynos Adaptive Supply Voltage driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Link: https://lore.kernel.org/r/20201207190517.262051-2-krzk@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
This commit is contained in:
Marek Szyprowski 2020-12-07 20:05:14 +01:00 committed by Krzysztof Kozlowski
parent 5c8fe583cc
commit 0458b88267
1 changed files with 5 additions and 5 deletions
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10
drivers/soc/samsung/exynos-asv.c
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@ -119,11 +119,6 @@ static int exynos_asv_probe(struct platform_device *pdev)
u32 product_id = 0;
int ret, i;
cpu_dev = get_cpu_device(0);
ret = dev_pm_opp_get_opp_count(cpu_dev);
if (ret < 0)
return -EPROBE_DEFER;
asv = devm_kzalloc(&pdev->dev, sizeof(*asv), GFP_KERNEL);
if (!asv)
return -ENOMEM;
@ -144,6 +139,11 @@ static int exynos_asv_probe(struct platform_device *pdev)
return -ENODEV;
}
cpu_dev = get_cpu_device(0);
ret = dev_pm_opp_get_opp_count(cpu_dev);
if (ret < 0)
return -EPROBE_DEFER;
ret = of_property_read_u32(pdev->dev.of_node, "samsung,asv-bin",
&asv->of_bin);
if (ret < 0)