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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260518-06-clk-reset-usb-fix-v1-1-14fc235e692b@kernel.org> References: <20260518-06-clk-reset-usb-fix-v1-0-14fc235e692b@kernel.org> In-Reply-To: <20260518-06-clk-reset-usb-fix-v1-0-14fc235e692b@kernel.org> To: Philipp Zabel , Stephen Boyd , Michael Turquette Cc: linux-clk@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Yixun Lan , Junzhong Pan X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1380; i=dlan@kernel.org; h=from:subject:message-id; bh=glMTiY++tgALwLhBNGfpjYuRggBZLhInFSckW+5Ix54=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBqCoBnvVc5VsIJY3iE7FPBru751ARzOjXHZta3g EHS7zkv1NWJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCagqAZxsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+0lRxAAjzNNR56QG+N0hHf62fCU46L0GxPSLvwT7VcYBb/LLr7AuTJYWBV4B pW6hC1Nv6mw8e2AMyV2awse1vGq2jsvN2HRpSFpg2S9c660o844B4pagh8sj5HZA0jKFKgGEufy s4O8t6I+604uJ8TN5FSjBZn42rlUS3bXE0zNGJIsqQENFp3eR7U+SwIOsJuyVnMMc5olaJ82/lq 8UTO9fSxjNjwiV1PPAopa5/VbBmu468pybNPuRfFBCyDU0ZsvOKGmcGWV/+fvXMGk7j1Q5VeWrB SGVox32S/Qge6gI4OZBNp8YSK4+9wgi54jv1a4IJvUjwoTyUS2WNr4bjT9NblDQsLGiHBIRaIPt I4dEpjdAegU0GB/AEI+aWrqteb4VQ6BRB1PsOsu+8jG/SV6kgT35pMVsbmLq7boOgC6w2jT1OaV YEcCiCYR2Rf8O7TWA7EUTf3KT1luOTBSyLI8GF3qYNqNgltiWzOpmBw4Pv0VUY1BitciFVW29aa 5N/h5MML++IuKZ/onDaIi4QvMVnxlXtqZMKksZ/zeTQmp8wHYiVYBMNw1zehTqmh9O2P67sIV6M nwYicZDGkj5fa/xBXdX7tZvOjjk+utWV53Qgc6XnQtRD+bUVTers1uBZd3e29abCv+EhfVblMAj 80S8aio8BojPVrVeVpo+GM7HKsGqIE= X-Developer-Key: i=dlan@kernel.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 According to SpacemiT K3's updated docs, the USB2 ahb reset and USB2 bus clock enable bit was wrongly swapped, the correct one should be: Register : APMU_USB_CLK_RES_CTRL bit[1] : usb2_port_bus_clk_en bit[0] : usb2_port_ahb_rstn Fixes: e371a77255b8 ("clk: spacemit: k3: add the clock tree") Reported-by: Junzhong Pan Signed-off-by: Yixun Lan --- drivers/clk/spacemit/ccu-k3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/spacemit/ccu-k3.c b/drivers/clk/spacemit/ccu-k3.c index e98afd59f05c..3d430f11d608 100644 --- a/drivers/clk/spacemit/ccu-k3.c +++ b/drivers/clk/spacemit/ccu-k3.c @@ -777,7 +777,7 @@ static const struct clk_parent_data sdh2_parents[] =3D { CCU_MUX_DIV_GATE_FC_DEFINE(sdh2_clk, sdh2_parents, APMU_SDH2_CLK_RES_CTRL,= 8, 3, BIT(11), 5, 3, BIT(4), 0); =20 -CCU_GATE_DEFINE(usb2_bus_clk, CCU_PARENT_HW(axi_clk), APMU_USB_CLK_RES_CTR= L, BIT(0), 0); +CCU_GATE_DEFINE(usb2_bus_clk, CCU_PARENT_HW(axi_clk), APMU_USB_CLK_RES_CTR= L, BIT(1), 0); CCU_GATE_DEFINE(usb3_porta_bus_clk, CCU_PARENT_HW(axi_clk), APMU_USB_CLK_R= ES_CTRL, BIT(4), 0); CCU_GATE_DEFINE(usb3_portb_bus_clk, CCU_PARENT_HW(axi_clk), APMU_USB_CLK_R= ES_CTRL, BIT(8), 0); CCU_GATE_DEFINE(usb3_portc_bus_clk, CCU_PARENT_HW(axi_clk), APMU_USB_CLK_R= ES_CTRL, BIT(12), 0); --=20 2.54.0 From nobody Mon May 25 09:57:54 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D6BBD37C0F3; Mon, 18 May 2026 02:59:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779073141; cv=none; b=LuOvOwsCdfj6VUGZSMQKCW2TzJO3wMj9a4GWGy+Cneu2nNvHXfwtE3XR7gdz+MICvDyQUrZQNWr40upSBreo8fRw1LWJGUnL7gsSrDoR//KyUPY5J+bk9BKRMKN3VMOkGGZwp/8/678V9q4wnY8vasGw2WvnNRCKUBrIu2gePNA= ARC-Message-Signature: i=1; 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b=Da7WudO0HE8s5xqa86YcxMA9/x7IAUwGlSaK0AaQir+YkB7pWy3FxMIknQwbh6NVT P619raV3EuOdXwk5LDDXPRg1VqDv7kp9m87Q405ZoBUDSbAH3VgQ+qezNfSlfPQSPQ OuvyjYv5TOThVod6MIzGLRsKZQIZ/GsGN4VytgU4pdLxnO07khgXDjHuKytax56Kly O5wCjgX0oikGz1Mv7QVIErECbERVa8bQYs9pO0rmvAlrrenHozVla61gr16FGnzIkG cmUQxwOD/eB9WT+72usczdbXHtzC8LptC+dXfnOyjhpECLxni57uE/NM5oLswnSzSw jgLJSge3637KQ== From: Yixun Lan Date: Mon, 18 May 2026 02:58:37 +0000 Subject: [PATCH 2/2] reset: spacemit: k3: fix USB2 ahb reset Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260518-06-clk-reset-usb-fix-v1-2-14fc235e692b@kernel.org> References: <20260518-06-clk-reset-usb-fix-v1-0-14fc235e692b@kernel.org> In-Reply-To: <20260518-06-clk-reset-usb-fix-v1-0-14fc235e692b@kernel.org> To: Philipp Zabel , Stephen Boyd , Michael Turquette Cc: linux-clk@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Yixun Lan , Junzhong Pan X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 According to SpacemiT K3's updated docs, the USB2 ahb reset and USB2 bus clock enable bit was wrongly swapped, the correct one should be: Register : APMU_USB_CLK_RES_CTRL bit[1] : usb2_port_bus_clk_en bit[0] : usb2_port_ahb_rstn Fixes: a0e0c2f8c5f3 ("reset: spacemit: k3: Decouple composite reset lines") Reported-by: Junzhong Pan Signed-off-by: Yixun Lan --- drivers/reset/spacemit/reset-spacemit-k3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/reset/spacemit/reset-spacemit-k3.c b/drivers/reset/spa= cemit/reset-spacemit-k3.c index 9841f5e057b2..2e87f320cf11 100644 --- a/drivers/reset/spacemit/reset-spacemit-k3.c +++ b/drivers/reset/spacemit/reset-spacemit-k3.c @@ -112,7 +112,7 @@ static const struct ccu_reset_data k3_apmu_resets[] =3D= { [RESET_APMU_SDH0] =3D RESET_DATA(APMU_SDH0_CLK_RES_CTRL, 0, BIT(1)), [RESET_APMU_SDH1] =3D RESET_DATA(APMU_SDH1_CLK_RES_CTRL, 0, BIT(1)), [RESET_APMU_SDH2] =3D RESET_DATA(APMU_SDH2_CLK_RES_CTRL, 0, BIT(1)), - [RESET_APMU_USB2_AHB] =3D RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_USB2_AHB] =3D RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(0)), [RESET_APMU_USB2_VCC] =3D RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(2)), [RESET_APMU_USB2_PHY] =3D RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(3)), [RESET_APMU_USB3_A_AHB] =3D RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, BIT(5)), --=20 2.54.0