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Thu, 23 Apr 2026 06:03:43 -0700 (PDT) Received: from localhost.localdomain ([151.70.144.55]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488fc0f8188sm549381425e9.2.2026.04.23.06.03.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Apr 2026 06:03:42 -0700 (PDT) From: Michele Bisogno To: Marek Vasut , Lukasz Majewski , Mattijs Korpershoek Cc: Nobuhiro Iwamatsu , Tom Rini , u-boot@lists.denx.de, Michele Bisogno Subject: [PATCH v5 0/3] usb: gadget: rcar: Add RZ/G2L support and lifecycle fixes Date: Thu, 23 Apr 2026 15:03:20 +0200 Message-Id: <20260423130323.32533-1-micbis.openwrt@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Sat, 25 Apr 2026 22:36:28 +0200 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean This series adds support for the Renesas RZ/G2L (R9A07G044) USBHS controller. During development, several lifecycle and resource management issues were identified and addressed to satisfy RZ/G2L hardware requirements and prevent resource leaks across the driver. The series is split into three logical parts to ensure bisectability: 1. A bugfix for the gadget deletion sequence during driver remove. 2. The addition of reset controller infrastructure and proper clock/reset teardown logic. 3. The RZ/G2L specific hardware parameters, SYSCFG logic, and compatible strings. Changes in v5: - Simplified usbhs_probe() signature to only take struct udevice *dev, deriving private data internally as requested. - Fixed resource leak in usbhs_udc_otg_probe() error paths by adding reset_assert_bulk() to the teardown sequence. - Standardized resource management by ensuring the probe error path perfectly mirrors the removal path. Changes in v4: - Split the monolithic patch into a 3-patch series as requested. - Added usb_del_gadget_udc() to fix resource leak on driver remove. - Implemented bulk reset controller support (required for RZ/G2L). - Improved error handling in probe() to ensure clocks are disabled if reset initialization or deassertion fails. - Moved reset and clock handles to private data to ensure persistence. - Reorganized hunks to ensure each patch in the series compiles independently (bisectability). Michele Bisogno (3): usb: gadget: rcar: Fix gadget registration lifecycle in remove usb: gadget: rcar: Add support for reset controller usb: gadget: rcar: Add support for RZ/G2L (R9A07G044) drivers/usb/gadget/rcar/common.c | 58 +++++++++++++++++++++++---- drivers/usb/gadget/rcar/renesas_usb.h | 1 + 2 files changed, 52 insertions(+), 7 deletions(-) -- 2.34.1