From nobody Tue Feb 10 10:19:38 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D97371F150E for ; Thu, 3 Apr 2025 21:25:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743715540; cv=none; b=eZQKCgvRn8Pp/KuXaDBvNkQyaphGDWzqdrH1hFaCuDDeXl9js82xKO9RpAf9q4nz3tq2M3le31YKj8SWcmviuhXYQQXtFye+vq7O/5CuDBxOtrloKNB8teGJ4pSHnGY0G5AcIbjKEIA3FTPu/z3OyW0epexV+qQiVeWmGJueFBA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743715540; c=relaxed/simple; bh=wtbBlblKhvvPd3RxLybMPkgMtkog169R3TwzzY7e1QU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Nro96AgJKoXufNhP7PFjbjoAm3at5jTpkiQzAYAFYMeJni82OD+15VU67d3x5v2hZ5qX27xKbICSt9NRXxNpf1N7bl3LEiv4+I/xiFWapcyRDeepMRHxnPkBZRbtpY906BHTFQbMuVDL3lHo+qGG2g5XPm0Cml6OjHl9J4lCweQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=jN98sMFr; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="jN98sMFr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1743715538; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YSjX5q0zuUeGqz9bX6zAV0oVJKcc4BZjYga6WzSpqto=; b=jN98sMFrrrYIpgbc3oD1aj1xC5nsXGiw1FjaBIs1ckUlL7KVrAZqoQFTbdrlqgKuyes526 QoY99+jyPqg83OWuWPOpIxFN4qNeGiC4ADB/+U5kclYaHmnv/WrCZXATvlzmFRaX4XnQ7k iUIpee6JKSL+qoL9je0FP/N0qhOPEVo= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-554-8_pW4TgDMHeJv1r4YFRWKA-1; Thu, 03 Apr 2025 17:25:35 -0400 X-MC-Unique: 8_pW4TgDMHeJv1r4YFRWKA-1 X-Mimecast-MFC-AGG-ID: 8_pW4TgDMHeJv1r4YFRWKA_1743715532 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 3425F1801A07; Thu, 3 Apr 2025 21:25:32 +0000 (UTC) Received: from asrivats-na.rmtustx.csb (unknown [10.2.16.30]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id D8648180A803; Thu, 3 Apr 2025 21:25:27 +0000 (UTC) From: Anusha Srivatsa Date: Thu, 03 Apr 2025 16:21:12 -0400 Subject: [PATCH 41/46] panel/widechips-ws2401: Use refcounted allocation in place of devm_kzalloc() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250403-b4-drm_panel_mass_driver_convert_part3-v1-41-965b15ad5b8e@redhat.com> References: <20250403-b4-drm_panel_mass_driver_convert_part3-v1-0-965b15ad5b8e@redhat.com> In-Reply-To: <20250403-b4-drm_panel_mass_driver_convert_part3-v1-0-965b15ad5b8e@redhat.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Robert Chiras , Linus Walleij , Markuss Broks , Artur Weber , Dzmitry Sankouski , Jagan Teki , =?utf-8?q?Guido_G=C3=BCnther?= , Purism Kernel Team , Ondrej Jirman , Sasha Finkelstein , Janne Grunau , Michael Trimarchi , Laurent Pinchart Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, asahi@lists.linux.dev, Anusha Srivatsa X-Developer-Signature: v=1; a=ed25519-sha256; t=1743711639; l=1265; i=asrivats@redhat.com; s=20250122; h=from:subject:message-id; bh=wtbBlblKhvvPd3RxLybMPkgMtkog169R3TwzzY7e1QU=; b=R6NLjYG+pKu1/oofYQrVGu1qM95Kg3CDgnb8tsgBCX4/iH/BkL8vujuxzKGVJzLFlrKM1gcks WUa7tXQ7F+2Buryz6EJS6rCXGiTPAM0Pbr4PUC7+OtEpNTugf4wTLaZ X-Developer-Key: i=asrivats@redhat.com; a=ed25519; pk=brnIHkBsUZEhyW6Zyn0U92AeIZ1psws/q8VFbIkf1AU= X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Move to using the new API devm_drm_panel_alloc() to allocate the panel. Signed-off-by: Anusha Srivatsa --- drivers/gpu/drm/panel/panel-widechips-ws2401.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-widechips-ws2401.c b/drivers/gpu/d= rm/panel/panel-widechips-ws2401.c index 2591ff8f0d4e8b84b7283718bf05684e8d44d1f5..bb3e5e4306ee2cb5e95b812775b= 4418d672d91d5 100644 --- a/drivers/gpu/drm/panel/panel-widechips-ws2401.c +++ b/drivers/gpu/drm/panel/panel-widechips-ws2401.c @@ -347,9 +347,11 @@ static int ws2401_probe(struct spi_device *spi) struct ws2401 *ws; int ret; =20 - ws =3D devm_kzalloc(dev, sizeof(*ws), GFP_KERNEL); - if (!ws) - return -ENOMEM; + ws =3D devm_drm_panel_alloc(dev, struct ws2401, panel, &ws2401_drm_funcs, + DRM_MODE_CONNECTOR_DPI); + if (IS_ERR(ws)) + return PTR_ERR(ws); + ws->dev =3D dev; =20 /* @@ -379,9 +381,6 @@ static int ws2401_probe(struct spi_device *spi) ws2401_read_mtp_id(ws); ws2401_power_off(ws); =20 - drm_panel_init(&ws->panel, dev, &ws2401_drm_funcs, - DRM_MODE_CONNECTOR_DPI); - ret =3D drm_panel_of_backlight(&ws->panel); if (ret) return dev_err_probe(dev, ret, --=20 2.48.1