From patchwork Fri Aug 27 15:05:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 503471 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 31CC5C432BE for ; Fri, 27 Aug 2021 15:02:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19E6C60EFF for ; Fri, 27 Aug 2021 15:02:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245337AbhH0PDB (ORCPT ); Fri, 27 Aug 2021 11:03:01 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:9373 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229709AbhH0PDB (ORCPT ); Fri, 27 Aug 2021 11:03:01 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Gx2rk6Cvlz8vJg; Fri, 27 Aug 2021 22:57:58 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 27 Aug 2021 23:02:09 +0800 Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 27 Aug 2021 23:02:08 +0800 From: Kefeng Wang To: , , , , CC: , , , Kefeng Wang Subject: [PATCH v2 0/4] amba: Properly handle device probe without IRQ domain Date: Fri, 27 Aug 2021 23:05:56 +0800 Message-ID: <20210827150600.78811-1-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Patch 1~3 make some cleanup, and patch 4 use of_irq_get() instead of irq_of_parse_and_map() to get irq number, return -EPROBE_DEFER if the irq domain is not yet created, and move irq obtain into amba_probe, the driver defer probe will properly to handle this error. V2: - add new patch to kill irq sysfs file, suggested by Rob. - move irq obtain from amba_device_add() to amba_probe(), suggested by Saravana. (As Saravana said, it will use a new mechanism to deal with the defer probe when amba device add and drop the amba specific deferring code, see[1]) - add Rob Reviewed-by to patch 1/2, no patch4 due to patch4 is changed [1] https://lore.kernel.org/lkml/20210304195101.3843496-1-saravanak@google.com/ Kefeng Wang (4): amba: Drop unused functions about APB/AHB devices add Revert "ARM: amba: make use of -1 IRQs warn" amba: Kill sysfs attribute file of irq amba: Properly handle device probe without IRQ domain drivers/amba/bus.c | 120 ++++++++++----------------------------- drivers/of/platform.c | 6 +- include/linux/amba/bus.h | 18 ------ 3 files changed, 30 insertions(+), 114 deletions(-)