From: Marek Szyprowski Date: Mon, 7 Dec 2020 19:05:14 +0000 (+0100) Subject: soc: samsung: exynos-asv: don't defer early on not-supported SoCs X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0458b88267c637fb872b0359da9ff0b243081e9e;p=linux.git 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: 5ea428595cc5 ("soc: samsung: Add Exynos Adaptive Supply Voltage driver") Cc: Signed-off-by: Marek Szyprowski Reviewed-by: Pankaj Dubey Link: https://lore.kernel.org/r/20201207190517.262051-2-krzk@kernel.org Signed-off-by: Krzysztof Kozlowski --- diff --git a/drivers/soc/samsung/exynos-asv.c b/drivers/soc/samsung/exynos-asv.c index 8abf4dfaa5c59..f653e3533f0fa 100644 --- a/drivers/soc/samsung/exynos-asv.c +++ b/drivers/soc/samsung/exynos-asv.c @@ -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)