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[82.214.103.66]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c249672becesm1658627666b.42.2026.08.24.23.50.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Aug 2026 23:50:15 -0700 (PDT) From: Bruno Banelli To: Vinod Koul Cc: Neil Armstrong , Yixun Lan , Ze Huang , Alex Elder , linux-phy@lists.infradead.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Bruno Banelli Subject: [PATCH v2 1/2] phy: spacemit: fix K1 USB 2.0 PHY Kconfig dependencies Date: Tue, 25 Aug 2026 08:50:06 +0200 Message-ID: <20260825065007.69353-2-bbanelli@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260825065007.69353-1-bbanelli@gmail.com> References: <20260825065007.69353-1-bbanelli@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" phy-k1-usb2.c maps its registers with devm_platform_ioremap_resource() and wraps them with devm_regmap_init_mmio(), but PHY_SPACEMIT_K1_USB2 neither depends on HAS_IOMEM nor selects REGMAP_MMIO. REGMAP_MMIO has no prompt and can only be enabled by select, so a configuration that leaves it off fails to link. In practice the symbol is usually pulled in indirectly, which is why this has gone unnoticed. PHY_SPACEMIT_K1_PCIE, directly above it in the same file, already has the HAS_IOMEM dependency; without it PHY_SPACEMIT_K1_USB2 can be built under COMPILE_TEST on architectures that provide no I/O memory. Fixes: fe4bc1a08638 ("phy: spacemit: support K1 USB2.0 PHY controller") Signed-off-by: Bruno Banelli Reviewed-by: Yixun Lan --- drivers/phy/spacemit/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/phy/spacemit/Kconfig b/drivers/phy/spacemit/Kconfig index 5fdf18fce..cd7ae48d8 100644 --- a/drivers/phy/spacemit/Kconfig +++ b/drivers/phy/spacemit/Kconfig @@ -18,8 +18,10 @@ config PHY_SPACEMIT_K1_USB2 tristate "SpacemiT K1 USB 2.0 PHY support" depends on (ARCH_SPACEMIT || COMPILE_TEST) && OF depends on COMMON_CLK + depends on HAS_IOMEM depends on USB_COMMON select GENERIC_PHY + select REGMAP_MMIO help Enable this to support K1 USB 2.0 PHY driver. 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[82.214.103.66]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c249672becesm1658627666b.42.2026.08.24.23.50.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Aug 2026 23:50:20 -0700 (PDT) From: Bruno Banelli To: Vinod Koul Cc: Neil Armstrong , Yixun Lan , Ze Huang , Alex Elder , linux-phy@lists.infradead.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Bruno Banelli Subject: [PATCH v2 2/2] phy: spacemit: enable K1 USB 2.0 PHY by default on ARCH_SPACEMIT Date: Tue, 25 Aug 2026 08:50:07 +0200 Message-ID: <20260825065007.69353-3-bbanelli@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260825065007.69353-1-bbanelli@gmail.com> References: <20260825065007.69353-1-bbanelli@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" PHY_SPACEMIT_K1_PCIE has "default ARCH_SPACEMIT", but PHY_SPACEMIT_K1_USB2, directly below it in the same file, does not. Since the symbol is also absent from arch/riscv/configs/defconfig, a plain "make defconfig" build for a SpacemiT K1 board ends up with the USB 2.0 PHY driver disabled. dwc3-generic-plat needs that PHY, so the result is a kernel with no working USB at all on boards such as the Milk-V Jupiter, where all four USB 3.0 type-A ports hang off the single dwc3 controller. Give it the same default as its sibling. Signed-off-by: Bruno Banelli Reviewed-by: Yixun Lan --- drivers/phy/spacemit/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/phy/spacemit/Kconfig b/drivers/phy/spacemit/Kconfig index cd7ae48d8..b5f36621b 100644 --- a/drivers/phy/spacemit/Kconfig +++ b/drivers/phy/spacemit/Kconfig @@ -22,6 +22,7 @@ config PHY_SPACEMIT_K1_USB2 depends on USB_COMMON select GENERIC_PHY select REGMAP_MMIO + default ARCH_SPACEMIT help Enable this to support K1 USB 2.0 PHY driver. This driver takes care of enabling and clock setup and will be used by K1 udc/ehci/otg/xhci drive= r. --=20 2.43.0