From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 132EDC169C4 for ; Tue, 29 Jan 2019 07:32:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DF6852183F for ; Tue, 29 Jan 2019 07:32:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727033AbfA2HcZ (ORCPT ); Tue, 29 Jan 2019 02:32:25 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:20119 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725786AbfA2HcW (ORCPT ); Tue, 29 Jan 2019 02:32:22 -0500 X-UUID: 0588ae895bbf41be959d4b0382ef8911-20190129 X-UUID: 0588ae895bbf41be959d4b0382ef8911-20190129 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 464381186; Tue, 29 Jan 2019 15:32:12 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 29 Jan 2019 15:32:12 +0800 Received: from mtkslt302.mediatek.inc (10.21.14.115) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 29 Jan 2019 15:32:11 +0800 From: Bibby Hsieh To: Jassi Brar , Matthias Brugger , Rob Herring , CK HU CC: Daniel Kurtz , Sascha Hauer , , , , , , Sascha Hauer , Philipp Zabel , Nicolas Boichat , Bibby Hsieh , YT Shen , Daoyuan Huang , Jiaguang Zhang , Dennis-YC Hsieh , Houlong Wei , , , Frederic Chen Subject: [PATCH 06/10] soc: mediatek: add register device function Date: Tue, 29 Jan 2019 15:32:03 +0800 Message-ID: <1548747128-60136-7-git-send-email-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1548747128-60136-1-git-send-email-bibby.hsieh@mediatek.com> References: <1548747128-60136-1-git-send-email-bibby.hsieh@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org GCE cannot know the register base address, we store the subsys-base address relationship in the device node, and store the relationship by cmdq_register_device function. Signed-off-by: Bibby Hsieh --- drivers/soc/mediatek/mtk-cmdq-helper.c | 24 ++++++++++++++++++++++++ include/linux/soc/mediatek/mtk-cmdq.h | 1 + 2 files changed, 25 insertions(+) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 6e4b85e..6ad997f 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -32,6 +32,30 @@ u8 cmdq_subsys_base_to_id(struct cmdq_base *clt_base, u32 base) } EXPORT_SYMBOL(cmdq_subsys_base_to_id); +struct cmdq_base *cmdq_register_device(struct device *dev) +{ + struct cmdq_base *clt_base; + struct of_phandle_args spec; + u32 idx; + + clt_base = devm_kzalloc(dev, sizeof(*clt_base), GFP_KERNEL); + if (!clt_base) + return NULL; + + /* parse subsys */ + for (idx = 0; idx < ARRAY_SIZE(clt_base->subsys); idx++) { + if (of_parse_phandle_with_args(dev->of_node, "gce-subsys", + "#gce-subsys-cells", idx, &spec)) + break; + clt_base->subsys[idx].base = spec.args[0]; + clt_base->subsys[idx].id = spec.args[1]; + } + clt_base->count = idx; + + return clt_base; +} +EXPORT_SYMBOL(cmdq_register_device); + static void cmdq_client_timeout(struct timer_list *t) { struct cmdq_client *client = from_timer(client, t, timer); diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 0c7a6ee..a1f5eb6 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -138,5 +138,6 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, int cmdq_pkt_flush(struct cmdq_pkt *pkt); u8 cmdq_subsys_base_to_id(struct cmdq_base *clt_base, u32 base); +struct cmdq_base *cmdq_register_device(struct device *dev); #endif /* __MTK_CMDQ_H__ */ -- 1.9.1