From patchwork Fri Jan 24 14:46:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Saenz Julienne X-Patchwork-Id: 11350499 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C983D92A for ; Fri, 24 Jan 2020 14:50:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4F114206F0 for ; Fri, 24 Jan 2020 14:50:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="a8NWDlRd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4F114206F0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=M3HYqcvLe01vstt8/dlzc4R7zbIvHtSbhCPLscTf34o=; b=a8NWDlRdOqfTJx YPczlSpQisgLhWQbhIz8v8JZ+GUBXq/7FFRfIwSVD3fV6PaF0OlmMNUoOyjK9EJsreTg7h/3/wCpw Ee+qu0SksYoxRoprcFozN3GTYHQk1o1VjHjsTGxO4NJuSrWT34s+bH+j17n8FUyK0RR0JR2yC6BRJ V8UD31w/bvZp9Un/D9JgHmTByxKsD8ygFqyAtHXrN/PCrqrgb7reH6SyZCWqmTCcGZHoHF1eAcmTS wlTkcl9juNARS1MjKYr+Mu3dmFGLpi1iB9GWHnhixJj7WgG8FluZrmXT8rFAHHENmiOp69+4O8lEE IY3zdIi9BYmqFkrY3ppw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iv0HY-0001xg-Os; Fri, 24 Jan 2020 14:50:00 +0000 Received: from mx2.suse.de ([195.135.220.15]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iv0EI-0007fo-8g; Fri, 24 Jan 2020 14:46:40 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id D52B1AFCB; Fri, 24 Jan 2020 14:46:36 +0000 (UTC) From: Nicolas Saenz Julienne To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org Subject: [PATCH 09/22] staging: vc04_services: Get rid of vchiq_platform_videocore_wanted() Date: Fri, 24 Jan 2020 15:46:03 +0100 Message-Id: <20200124144617.2213-10-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200124144617.2213-1-nsaenzjulienne@suse.de> References: <20200124144617.2213-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200124_064638_617414_841B4750 X-CRM114-Status: GOOD ( 11.96 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [195.135.220.15 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [195.135.220.15 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, devel@driverdev.osuosl.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Nicolas Saenz Julienne Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The function always returns true, which makes a whole bunch of code useless. Signed-off-by: Nicolas Saenz Julienne --- .../interface/vchiq_arm/vchiq_2835_arm.c | 5 --- .../interface/vchiq_arm/vchiq_arm.c | 34 +++---------------- .../interface/vchiq_arm/vchiq_arm.h | 3 -- 3 files changed, 5 insertions(+), 37 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c index 65e26a90c1db..a7f72dba2e20 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c @@ -257,11 +257,6 @@ int vchiq_dump_platform_state(void *dump_context) return vchiq_dump(dump_context, buf, len + 1); } -int -vchiq_platform_videocore_wanted(struct vchiq_state *state) -{ - return 1; // autosuspend not supported - videocore always wanted -} void vchiq_platform_handle_timeout(struct vchiq_state *state) { diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 3c374686ce89..a90d6fbbb54b 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -2253,22 +2253,6 @@ vchiq_fops = { * Autosuspend related functionality */ -int -vchiq_videocore_wanted(struct vchiq_state *state) -{ - struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state); - - if (!arm_state) - /* autosuspend not supported - always return wanted */ - return 1; - else if (!arm_state->videocore_use_count) - /* usage count zero - check for override unless we're forcing */ - return vchiq_platform_videocore_wanted(state); - else - /* non-zero usage count - videocore still required */ - return 1; -} - static enum vchiq_status vchiq_keepalive_vchiq_callback(enum vchiq_reason reason, struct vchiq_header *header, @@ -2513,8 +2497,7 @@ need_resume(struct vchiq_state *state) struct vchiq_arm_state *arm_state = vchiq_platform_get_arm_state(state); return (arm_state->vc_suspend_state > VC_SUSPEND_IDLE) && - (arm_state->vc_resume_state < VC_RESUME_REQUESTED) && - vchiq_videocore_wanted(state); + (arm_state->vc_resume_state < VC_RESUME_REQUESTED); } /* Initiate suspend via slot handler. Should be called with the write lock @@ -2736,17 +2719,10 @@ vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service) --arm_state->videocore_use_count; --(*entity_uc); - if (!vchiq_videocore_wanted(state)) { - vchiq_log_info(vchiq_susp_log_level, - "%s %s count %d, state count %d - suspending", - __func__, entity, *entity_uc, - arm_state->videocore_use_count); - vchiq_arm_vcsuspend(state); - } else - vchiq_log_trace(vchiq_susp_log_level, - "%s %s count %d, state count %d", - __func__, entity, *entity_uc, - arm_state->videocore_use_count); + vchiq_log_trace(vchiq_susp_log_level, + "%s %s count %d, state count %d", + __func__, entity, *entity_uc, + arm_state->videocore_use_count); unlock: write_unlock_bh(&arm_state->susp_res_lock); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h index 1f1ec679584b..beac1469d54d 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h @@ -112,9 +112,6 @@ vchiq_release_service(unsigned int handle); extern enum vchiq_status vchiq_check_service(struct vchiq_service *service); -extern int -vchiq_platform_videocore_wanted(struct vchiq_state *state); - extern void vchiq_dump_platform_use_state(struct vchiq_state *state);