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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 CC27AC433E0 for ; Mon, 29 Jun 2020 19:10:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AAB11206E2 for ; Mon, 29 Jun 2020 19:10:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593457847; bh=VxEH9Pn5qTVUr3rdyREo6P+WSPDLj0xuK7pbNBi0qbM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=aoka4vPyHaoP+0KUwncgbjJggT5tZf+HgG4tj/sszoPr5Vt3v0/AVgygCkNtkUXki bryESQ98KEWFZLLCz8pIBag3KQUB7hmKUzmDjJTNSI1EKvIV0SafAbF6dx6/Y8dgNE 63IGXDdpvP0IeG9AthAyl7bbnAkgHCw7BGq5IhJQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731014AbgF2TKp (ORCPT ); Mon, 29 Jun 2020 15:10:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:53734 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730979AbgF2TKT (ORCPT ); Mon, 29 Jun 2020 15:10:19 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 41F86254D9; Mon, 29 Jun 2020 15:53:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593446033; bh=VxEH9Pn5qTVUr3rdyREo6P+WSPDLj0xuK7pbNBi0qbM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nDPXOsf6iEstgaVB/WFyACe0T60laabZ3ocTRqcJnLy6ICYNI/1th7C/o6kXSaeXw 8ObBtxE194GOxAFQh7KGmh4pB7tVAP3kw7mYw7TWsAWvLrE5gYS56JuYZSVS2ILxko kqBqt7HZP4h4dI1tNyTEH4rwL0alipAtR0v9Rrv4= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Marek Szyprowski , Sylwester Nawrocki , Sasha Levin Subject: [PATCH 4.4 039/135] clk: samsung: exynos5433: Add IGNORE_UNUSED flag to sclk_i2s1 Date: Mon, 29 Jun 2020 11:51:33 -0400 Message-Id: <20200629155309.2495516-40-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200629155309.2495516-1-sashal@kernel.org> References: <20200629155309.2495516-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.4.229-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.4.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.4.229-rc1 X-KernelTest-Deadline: 2020-07-01T15:53+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marek Szyprowski [ Upstream commit 25bdae0f1c6609ceaf55fe6700654f0be2253d8e ] Mark the SCLK clock for Exynos5433 I2S1 device with IGNORE_UNUSED flag to match its behaviour with SCLK clock for AUD_I2S (I2S0) device until a proper fix for Exynos I2S driver is ready. This fixes the following synchronous abort issue revealed by the probe order change caused by the commit 93d2e4322aa7 ("of: platform: Batch fwnode parsing when adding all top level devices") Internal error: synchronous external abort: 96000210 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 50 Comm: kworker/0:1 Not tainted 5.7.0-rc5+ #701 Hardware name: Samsung TM2E board (DT) Workqueue: events deferred_probe_work_func pstate: 60000005 (nZCv daif -PAN -UAO) pc : samsung_i2s_probe+0x768/0x8f0 lr : samsung_i2s_probe+0x688/0x8f0 ... Call trace: samsung_i2s_probe+0x768/0x8f0 platform_drv_probe+0x50/0xa8 really_probe+0x108/0x370 driver_probe_device+0x54/0xb8 __device_attach_driver+0x90/0xc0 bus_for_each_drv+0x70/0xc8 __device_attach+0xdc/0x140 device_initial_probe+0x10/0x18 bus_probe_device+0x94/0xa0 deferred_probe_work_func+0x70/0xa8 process_one_work+0x2a8/0x718 worker_thread+0x48/0x470 kthread+0x134/0x160 ret_from_fork+0x10/0x1c Code: 17ffffaf d503201f f94086c0 91003000 (88dffc00) ---[ end trace ccf721c9400ddbd6 ]--- Signed-off-by: Marek Szyprowski Signed-off-by: Sylwester Nawrocki Signed-off-by: Sasha Levin --- drivers/clk/samsung/clk-exynos5433.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index 91c89ac193b9a..77ae2d21c4882 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -1708,7 +1708,8 @@ static struct samsung_gate_clock peric_gate_clks[] __initdata = { GATE(CLK_SCLK_PCM1, "sclk_pcm1", "sclk_pcm1_peric", ENABLE_SCLK_PERIC, 7, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_I2S1, "sclk_i2s1", "sclk_i2s1_peric", - ENABLE_SCLK_PERIC, 6, CLK_SET_RATE_PARENT, 0), + ENABLE_SCLK_PERIC, 6, + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0), GATE(CLK_SCLK_SPI2, "sclk_spi2", "sclk_spi2_peric", ENABLE_SCLK_PERIC, 5, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_SPI1, "sclk_spi1", "sclk_spi1_peric", ENABLE_SCLK_PERIC, -- 2.25.1