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Tue, 28 Apr 2026 18:14:01 +0200 (CEST) Received: by jupiter.universe (Postfix, from userid 1000) id 82F84480031; Tue, 28 Apr 2026 18:14:01 +0200 (CEST) From: Sebastian Reichel Date: Tue, 28 Apr 2026 18:13:42 +0200 Subject: [PATCH v4 03/16] phy: rockchip: usbdp: Keep clocks running on PHY re-init MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260428-rockchip-usbdp-cleanup-v4-3-7775671ece22@collabora.com> References: <20260428-rockchip-usbdp-cleanup-v4-0-7775671ece22@collabora.com> In-Reply-To: <20260428-rockchip-usbdp-cleanup-v4-0-7775671ece22@collabora.com> To: Vinod Koul , Neil Armstrong , Heiko Stuebner , Frank Wang , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Andy Yan , Dmitry Baryshkov , Yubing Zhang , Alexey Charkov , linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, devicetree@vger.kernel.org, Sebastian Reichel X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; 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a=openpgp; fpr=EF660D07463F8B726A795413D8EED7F3C83BFA9A X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260428_171408_623373_DBAF6685 X-CRM114-Status: GOOD ( 10.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org When a mode change is required rk_udphy_power_on() disables the clocks and then calls rk_udphy_setup(), which then enables all the clocks again before continuing with rk_udphy_init(). Considering that rk_udphy_init() does assert the reset lines, re-enabling the clocks is just delaying things. Avoid it by directly calling rk_udphy_init(). Signed-off-by: Sebastian Reichel --- drivers/phy/rockchip/phy-rockchip-usbdp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/phy/rockchip/phy-rockchip-usbdp.c b/drivers/phy/rockchip/phy-rockchip-usbdp.c index 744cc7c642f4..98562a888b42 100644 --- a/drivers/phy/rockchip/phy-rockchip-usbdp.c +++ b/drivers/phy/rockchip/phy-rockchip-usbdp.c @@ -1012,8 +1012,7 @@ static int rk_udphy_power_on(struct rk_udphy *udphy, u8 mode) if (udphy->mode == UDPHY_MODE_DP) rk_udphy_u3_port_disable(udphy, true); - rk_udphy_disable(udphy); - ret = rk_udphy_setup(udphy); + ret = rk_udphy_init(udphy); if (ret) return ret; } -- 2.53.0