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[34.91.20.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c3ebd424f0sm4075401a12.7.2024.09.10.03.15.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Sep 2024 03:15:43 -0700 (PDT) From: =?utf-8?q?=C5=81ukasz_Bartosik?= To: Heikki Krogerus , Greg Kroah-Hartman , Lee Jones , Benson Leung , Guenter Roeck Cc: Abhishek Pandit-Subedi , Pavan Holla , Tzung-Bi Shih , linux-usb@vger.kernel.org, chrome-platform@lists.linux.dev Subject: [PATCH v6 8/8] mfd: cros_ec: Don't load charger with UCSI Date: Tue, 10 Sep 2024 10:15:27 +0000 Message-ID: <20240910101527.603452-9-ukaszb@chromium.org> X-Mailer: git-send-email 2.46.0.598.g6f2099f65c-goog In-Reply-To: <20240910101527.603452-1-ukaszb@chromium.org> References: <20240910101527.603452-1-ukaszb@chromium.org> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Abhishek Pandit-Subedi When UCSI is enabled, don't load cros_usbpd_charger and cros_usbpd_logger drivers. Charger functionality is provided by the UCSI driver already and logging will need to be added. Signed-off-by: Abhishek Pandit-Subedi Signed-off-by: Łukasz Bartosik --- drivers/mfd/cros_ec_dev.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index d5d63df7fcbd..bc083c7b21de 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -133,11 +133,6 @@ static const struct cros_feature_to_cells cros_subdevices[] = { .mfd_cells = cros_ec_ucsi_cells, .num_cells = ARRAY_SIZE(cros_ec_ucsi_cells), }, - { - .id = EC_FEATURE_USB_PD, - .mfd_cells = cros_usbpd_charger_cells, - .num_cells = ARRAY_SIZE(cros_usbpd_charger_cells), - }, { .id = EC_FEATURE_HANG_DETECT, .mfd_cells = cros_ec_wdt_cells, @@ -261,6 +256,21 @@ static int ec_device_probe(struct platform_device *pdev) } } + /* + * UCSI provides power supply information so we don't need to separately + * load the cros_usbpd_charger driver. + */ + if (cros_ec_check_features(ec, EC_FEATURE_USB_PD) && + !cros_ec_check_features(ec, EC_FEATURE_UCSI_PPM)) { + retval = mfd_add_hotplug_devices(ec->dev, + cros_usbpd_charger_cells, + ARRAY_SIZE(cros_usbpd_charger_cells)); + + if (retval) + dev_warn(ec->dev, "failed to add usbpd-charger: %d\n", + retval); + } + /* * Lightbar is a special case. Newer devices support autodetection, * but older ones do not.