From patchwork Fri Apr 19 21:16:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jameson Thies X-Patchwork-Id: 790934 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B60E813CAB4 for ; Fri, 19 Apr 2024 21:17:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713561450; cv=none; b=U9MES1EY0bt690yYjsBmaYybOIHPpHooJE4Lv2uwUnXY3Uwn0hOABq5bkatFu+y9t3052KJXZHGSce2A3r3zdfaEdrBqyCDYIa72Eu5CeVnoaiBDz07tvKudqM0xsfVVWFzQIU6bLEUf6LPgFs+YLRJ8OmPOMgv2/Ms7083E9Kw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713561450; c=relaxed/simple; bh=UxgWmlbHQ6FE6Tfsw0c5bRaypsK1JoE39PHU5jzon+o=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=iZyW3YklvGE/bTj0R5suWV9m/bBohVpJvxtebgxezT6T18ALcDVeaMj7Mn/EVTsOudrd87cT2rJX49ztlt1DYnW3u7bJuiGJwwBevUqklIi12ZENtL67iGx2id1tDu4XkYds4xGQ1aoGzOfMFxQdBqYRiQxfPjDQZVVqlLxSsE4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jthies.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=naLiCgdH; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jthies.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="naLiCgdH" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-61ae9ff0322so51179187b3.3 for ; Fri, 19 Apr 2024 14:17:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1713561448; x=1714166248; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=pl1Tmr3OX/XqnrUzR2D4fjohE3sf1zx4jH0hAbozhaQ=; b=naLiCgdHTRkNVPBoI2K175Bep+tbwkcZDOYdEvzEt95tu7zCXwnXf9kWsdYPPMwEhp 3YdMagFrPu2+XiEhNsviZAzwpdd1ymoOvOripxppKcTwS7dQvmE5nqiUUujGbVoLDCiB uj/UUz5GK/6sjmHlxSkdy1ehVezcp9jXdiGkopfdgAjVn3RyJ8/N3MD/vbUO00wZe7GK 1KOSntnvev5KZb3ZIXURd6TIII/UY4WR3sTbRbHCo7KXC2c0WNj/Vc2lWZNf3fJvwvwz mx2pvx7m6NgNh/80rbPYWol+4zqgAjITLRKuATHgyKl5wZLjQrghWzRuqTFZLdCpP0SI u2Vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713561448; x=1714166248; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=pl1Tmr3OX/XqnrUzR2D4fjohE3sf1zx4jH0hAbozhaQ=; b=EK2LEt2Ol4afC4wuC0h07ZkVVofd2Aouirz64MG173Gy51hdXqvafubu1N7q4DQGoU FeqhU1vid76DZaqEpjgx1c7PZ7CaMNe1GmeJ8X0tewCM21QQG0gpLLfoLhe5xPt54vyK Vu40WoTXz9Gh7csoNsGfTwmH38cqCEoF1CF2qXJDRaTx0M1Tv8Yz+frBPH1Kskn1dRb0 EuOq6ERNhdOmrZvR545f0Phidn10RAc53am0dcowI71OKy/5oTY1yHhsLQcrv6C2BGpo HBHMckBLnrDIdVerE7r/R8YapefJ3RaS/7hwFZ2WW6fBSQTcSETXP7nDNQkITKyZzSb1 de5Q== X-Forwarded-Encrypted: i=1; AJvYcCXbi90MyrKxoETf5czXrS+KdMH/YCR1ukTQb2O9TO5MMQsjqYu2twhsfJv43qIxeJomaGhlxPofFdQKdp4zu9IcRIdSGVx/R5lN X-Gm-Message-State: AOJu0YyN2MM9xP4RdIStdlalACpjyw3pkKAlEbAx8amlN/PSW/lD01XD WNaj6BnGEroTFXmhlZ5g7bDu+G7w0xBn84CNhjqZ+ZwR9eW8Pj5omGL3PVvA8SEJgi1DZnyzg7t tRQ== X-Google-Smtp-Source: AGHT+IEQ+b9tI3DwmZkiOYMQVTS5x1KoXW9+8EbyfwH0+BAWFReOfrjeVwdV4P8KFrKDlAPmSCUWfx78JE8= X-Received: from jthies.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:23db]) (user=jthies job=sendgmr) by 2002:a81:4e04:0:b0:618:92c6:64b1 with SMTP id c4-20020a814e04000000b0061892c664b1mr764547ywb.3.1713561447800; Fri, 19 Apr 2024 14:17:27 -0700 (PDT) Date: Fri, 19 Apr 2024 21:16:48 +0000 In-Reply-To: <20240419211650.2657096-1-jthies@google.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240419211650.2657096-1-jthies@google.com> X-Mailer: git-send-email 2.44.0.769.g3c40516874-goog Message-ID: <20240419211650.2657096-3-jthies@google.com> Subject: [PATCH v1 2/4] usb: typec: Update sysfs when setting ops From: Jameson Thies To: heikki.krogerus@linux.intel.com, linux-usb@vger.kernel.org Cc: jthies@google.com, pmalani@chromium.org, bleung@google.com, abhishekpandit@chromium.org, andersson@kernel.org, dmitry.baryshkov@linaro.org, fabrice.gasnier@foss.st.com, gregkh@linuxfoundation.org, hdegoede@redhat.com, neil.armstrong@linaro.org, rajaram.regupathy@intel.com, saranya.gopal@intel.com, linux-kernel@vger.kernel.org From: Abhishek Pandit-Subedi When adding altmode ops, update the sysfs group so that visibility is also recalculated. Signed-off-by: Abhishek Pandit-Subedi Reviewed-by: Heikki Krogerus --- drivers/usb/typec/altmodes/displayport.c | 2 +- drivers/usb/typec/class.c | 18 +++++++++++++++++- drivers/usb/typec/ucsi/displayport.c | 2 +- include/linux/usb/typec.h | 3 +++ 4 files changed, 22 insertions(+), 3 deletions(-) diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index 596cd4806018b..92cc1b1361208 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -746,7 +746,7 @@ int dp_altmode_probe(struct typec_altmode *alt) dp->alt = alt; alt->desc = "DisplayPort"; - alt->ops = &dp_altmode_ops; + typec_altmode_set_ops(alt, &dp_altmode_ops); if (plug) { plug->desc = "Displayport"; diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 9610e647a8d48..9262fcd4144f8 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -467,6 +467,22 @@ static const struct attribute_group *typec_altmode_groups[] = { NULL }; +/** + * typec_altmode_set_ops - Set ops for altmode + * @adev: Handle to the alternate mode + * @ops: Ops for the alternate mode + * + * After setting ops, attribute visiblity needs to be refreshed if the alternate + * mode can be activated. + */ +void typec_altmode_set_ops(struct typec_altmode *adev, + const struct typec_altmode_ops *ops) +{ + adev->ops = ops; + sysfs_update_group(&adev->dev.kobj, &typec_altmode_group); +} +EXPORT_SYMBOL_GPL(typec_altmode_set_ops); + static int altmode_id_get(struct device *dev) { struct ida *ids; @@ -2317,7 +2333,7 @@ void typec_port_register_altmodes(struct typec_port *port, continue; } - alt->ops = ops; + typec_altmode_set_ops(alt, ops); typec_altmode_set_drvdata(alt, drvdata); altmodes[index] = alt; index++; diff --git a/drivers/usb/typec/ucsi/displayport.c b/drivers/usb/typec/ucsi/displayport.c index d9d3c91125ca8..eb7b8d6e47d00 100644 --- a/drivers/usb/typec/ucsi/displayport.c +++ b/drivers/usb/typec/ucsi/displayport.c @@ -337,7 +337,7 @@ struct typec_altmode *ucsi_register_displayport(struct ucsi_connector *con, dp->con = con; dp->alt = alt; - alt->ops = &ucsi_displayport_ops; + typec_altmode_set_ops(alt, &ucsi_displayport_ops); typec_altmode_set_drvdata(alt, dp); return alt; diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index b35b427561ab5..549275f8ac1b3 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -167,6 +167,9 @@ struct typec_port *typec_altmode2port(struct typec_altmode *alt); void typec_altmode_update_active(struct typec_altmode *alt, bool active); +void typec_altmode_set_ops(struct typec_altmode *alt, + const struct typec_altmode_ops *ops); + enum typec_plug_index { TYPEC_PLUG_SOP_P, TYPEC_PLUG_SOP_PP,