From nobody Tue Oct 7 10:34:19 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 274212EAE5 for ; Fri, 11 Jul 2025 04:32:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752208362; cv=none; b=SvGhdi5VRCqT0RpK7Jr97lk1DOTpCHbXCTTeU0JMolga3+GOe6pjOPRLhbx49C1YGSQ6p3NUheo9+HI3k6Z7lObCz+w41BL7dtOAyWW7rppGJXgzr2K+Eosh8OIXkb6DJAQVCBef25QlbQrS75x6utEZKQIcVxLlAAWbzTYqIsc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752208362; c=relaxed/simple; bh=LJdVqDotBZJHwUhVUj/AbpJUyN2rg5fcXdBIRDVzgoc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=kEEWAgH1CxWVN8p7ZkK2/Tsfq+2YEELaAsk9b8QWCn9HjAtxSLhJRNoUJMRD2sCeAVXkZffLppezZsx/u/pFtR/hOFK3tK4Ik5yyfgFcNUkrmRFk96mI4XVggp8s8Iz0XiDnH/Qp7r0wB7ecsRgJTFeRz+b9+FCvNxSv9mbsNtM= 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=baOuA31v; arc=none smtp.client-ip=170.10.129.124 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="baOuA31v" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1752208360; 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=xQUarlWgtFzkfaxvo6Stgpx0YLZvaw7V296iJ+ntFzU=; b=baOuA31vI7cbREc/fwTznka76fwFnW2seOgcJImnFQv9bBwGmGaM7WMJrzk4LSJq9S7KLZ kX9l6Nt3WZ+PaQJcTWoPwo3nIq5Pg/+JGU0w68OkYPZ2Wf7/DtZH+Dn8unEY3jpSa0U3yx H9HqhlYAYnSP+l3kDGZhaCOwbYCPHs4= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-645-dnNUbXklPjmFYkBbpRGbEQ-1; Fri, 11 Jul 2025 00:32:34 -0400 X-MC-Unique: dnNUbXklPjmFYkBbpRGbEQ-1 X-Mimecast-MFC-AGG-ID: dnNUbXklPjmFYkBbpRGbEQ_1752208352 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 1A67E19560B0; Fri, 11 Jul 2025 04:32:32 +0000 (UTC) Received: from asrivats-na.rmtustx.csb (unknown [10.2.16.240]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id D02B0180045B; Fri, 11 Jul 2025 04:32:28 +0000 (UTC) From: Anusha Srivatsa Date: Thu, 10 Jul 2025 23:31:13 -0500 Subject: [PATCH 02/14] drm/panel/raspberrypi: 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: <20250710-b4-driver-convert-last-part-july-v1-2-de73ba81b2f5@redhat.com> References: <20250710-b4-driver-convert-last-part-july-v1-0-de73ba81b2f5@redhat.com> In-Reply-To: <20250710-b4-driver-convert-last-part-july-v1-0-de73ba81b2f5@redhat.com> To: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Florian Fainelli , Broadcom internal kernel review list , Sumit Semwal , Casey Connolly , Jerry Han Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Anusha Srivatsa X-Developer-Signature: v=1; a=ed25519-sha256; t=1752208280; l=1432; i=asrivats@redhat.com; s=20250122; h=from:subject:message-id; bh=LJdVqDotBZJHwUhVUj/AbpJUyN2rg5fcXdBIRDVzgoc=; b=/rOcO1OmXqQxMD4khbrmy4pweqRXf/Lpxzij5a767i9xDVvUlaavbBZLBBaY1yQnlH57rd2Rv 8UEbs+ZEgcJBBEWJ8GKEDwl/yk9jzvr33bjwPAmH6CR4LHQS5Du7b54 X-Developer-Key: i=asrivats@redhat.com; a=ed25519; pk=brnIHkBsUZEhyW6Zyn0U92AeIZ1psws/q8VFbIkf1AU= X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Move to using the new API devm_drm_panel_alloc() to allocate the panel. In the call to the new API, avoid using explicit type and use __typeof() for more type safety. Signed-off-by: Anusha Srivatsa --- drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/driver= s/gpu/drm/panel/panel-raspberrypi-touchscreen.c index e10e469aa7a6c5684c9240ea74c8d1184c7723a5..dc4bb8ad913185f94e3f7e1a34f= bddc31f21f098 100644 --- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c +++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c @@ -373,9 +373,12 @@ static int rpi_touchscreen_probe(struct i2c_client *i2= c) .node =3D NULL, }; =20 - ts =3D devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL); - if (!ts) - return -ENOMEM; + ts =3D devm_drm_panel_alloc(dev, __typeof(*ts), base, + &rpi_touchscreen_funcs, + DRM_MODE_CONNECTOR_DSI); + + if (IS_ERR(ts)) + return PTR_ERR(ts); =20 i2c_set_clientdata(i2c, ts); =20 @@ -428,9 +431,6 @@ static int rpi_touchscreen_probe(struct i2c_client *i2c) return PTR_ERR(ts->dsi); } =20 - drm_panel_init(&ts->base, dev, &rpi_touchscreen_funcs, - DRM_MODE_CONNECTOR_DSI); - /* This appears last, as it's what will unblock the DSI host * driver's component bind function. */ --=20 2.48.1