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Mon, 05 Jan 2026 08:47:23 -0800 (PST) Received: from draszik.lan ([212.129.74.225]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6507618cc59sm255498a12.28.2026.01.05.08.47.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Jan 2026 08:47:23 -0800 (PST) Message-ID: Subject: Re: [PATCH v3 5/5] usb: typec: tcpm/tcpci_maxim: deprecate WAR for setting charger mode From: =?ISO-8859-1?Q?Andr=E9?= Draszik To: amitsd@google.com, Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lee Jones , Greg Kroah-Hartman , Badhri Jagan Sridharan , Heikki Krogerus , Peter Griffin , Tudor Ambarus , Alim Akhtar Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, RD Babiera , Kyle Tso Date: Mon, 05 Jan 2026 16:47:58 +0000 In-Reply-To: <20251227-max77759-charger-v3-5-54e664f5ca92@google.com> References: <20251227-max77759-charger-v3-0-54e664f5ca92@google.com> <20251227-max77759-charger-v3-5-54e664f5ca92@google.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-2+build3 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260105_084725_848227_A75ACC6E X-CRM114-Status: GOOD ( 10.66 ) 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 On Sat, 2025-12-27 at 00:04 +0000, Amit Sunil Dhamne via B4 Relay wrote: > From: Amit Sunil Dhamne >=20 > TCPCI maxim driver directly writes to the charger's register space to > set charger mode depending on the power role. As MAX77759 chg driver > exists, this WAR is not required. >=20 > Instead, use a regulator interface to source vbus when typec is in > source power mode. In other power modes, this regulator will be turned > off if active. >=20 > Signed-off-by: Amit Sunil Dhamne > --- > =C2=A0drivers/usb/typec/tcpm/tcpci_maxim.h=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = |=C2=A0 1 + > =C2=A0drivers/usb/typec/tcpm/tcpci_maxim_core.c | 54 +++++++++++++++++++-= ----------- > =C2=A02 files changed, 34 insertions(+), 21 deletions(-) Reviewed-by: Andr=C3=A9 Draszik