linux-kernel - [PATCH 5/8] phy: samsung,mipi-video-phy: deprecate syscon phandle

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Date:   Fri, 27 Jan 2023 20:40:54 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Cc:     replicant@...osl.org, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Martin Jücker <martin.juecker@...il.com>,
        Henrik Grimler <henrik@...mler.se>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 5/8] phy: samsung,mipi-video-phy: deprecate syscon phandle

The MIPI phy is actually part of the Power Management Unit system
controller, thus it should be its child, instead of sibling node with
syscon phandle.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/phy/samsung/phy-exynos-mipi-video.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/samsung/phy-exynos-mipi-video.c b/drivers/phy/samsung/phy-exynos-mipi-video.c
index c1df1ef3ee3c..a7f67857e5b2 100644
--- a/drivers/phy/samsung/phy-exynos-mipi-video.c
+++ b/drivers/phy/samsung/phy-exynos-mipi-video.c
@@ -298,7 +298,7 @@ static int exynos_mipi_video_phy_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
 	struct phy_provider *phy_provider;
-	unsigned int i;
+	unsigned int i = 0;
 
 	phy_dev = of_device_get_match_data(dev);
 	if (!phy_dev)
@@ -308,7 +308,10 @@ static int exynos_mipi_video_phy_probe(struct platform_device *pdev)
 	if (!state)
 		return -ENOMEM;
 
-	for (i = 0; i < phy_dev->num_regmaps; i++) {
+	state->regmaps[i] = syscon_node_to_regmap(dev->parent->of_node);
+	if (!IS_ERR(state->regmaps[i]))
+		i++;
+	for (; i < phy_dev->num_regmaps; i++) {
 		state->regmaps[i] = syscon_regmap_lookup_by_phandle(np,
 						phy_dev->regmap_names[i]);
 		if (IS_ERR(state->regmaps[i]))
-- 
2.34.1