From patchwork Wed Aug 7 13:04:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 11082123 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2FD3E1395 for ; Wed, 7 Aug 2019 13:05:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1FBBC289F4 for ; Wed, 7 Aug 2019 13:05:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1451F289B4; Wed, 7 Aug 2019 13:05:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE6D02887D for ; Wed, 7 Aug 2019 13:05:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387975AbfHGNFG (ORCPT ); Wed, 7 Aug 2019 09:05:06 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:43580 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387476AbfHGNFG (ORCPT ); Wed, 7 Aug 2019 09:05:06 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id x77D534m018259; Wed, 7 Aug 2019 08:05:03 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1565183103; bh=5ZJWE2YShcEteM2b5hAEhwzpnJw3NLmASsHKII8cvV4=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=FiyP2UbME094Iy1/m9tNXIjVlMpuyshYCaRsc/pSo9HKnT+CQTHZPSscwnyn/UDtW ZMdlRUTGBuIlXcQ7xEgODGrWw30UieaQYpqe9JFeO0qOMgoRBWqXXayLHlRBkwE493 mNFpK+E9EkEobMTQlF3W7NiJVpiStFV/wtoQ6qm8= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x77D53AF039631 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 7 Aug 2019 08:05:03 -0500 Received: from DLEE106.ent.ti.com (157.170.170.36) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Wed, 7 Aug 2019 08:05:02 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE106.ent.ti.com (157.170.170.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Wed, 7 Aug 2019 08:05:02 -0500 Received: from gomoku.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id x77D4i1d081508; Wed, 7 Aug 2019 08:05:00 -0500 From: Tero Kristo To: , , CC: , , Subject: [PATCH 1/3] clk: ti: clkctrl: add support for polling clock status for enable only Date: Wed, 7 Aug 2019 16:04:37 +0300 Message-ID: <1565183079-27798-2-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1565183079-27798-1-git-send-email-t-kristo@ti.com> References: <1565183079-27798-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The activity status for certain clocks is possible to be polled only during enable phase; the disable phase depends on additional reset logic. If the disable phase is polled with these clocks, it will result in a timeout. To fix this, add logic for polling the clock activity only during enable, and add a new flag for this purpose. Signed-off-by: Tero Kristo --- drivers/clk/ti/clkctrl.c | 5 ++++- drivers/clk/ti/clock.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c index 975995e..f5517a8 100644 --- a/drivers/clk/ti/clkctrl.c +++ b/drivers/clk/ti/clkctrl.c @@ -25,6 +25,7 @@ #include "clock.h" #define NO_IDLEST 0x1 +#define NO_IDLE_POLL 0x2 #define OMAP4_MODULEMODE_MASK 0x3 @@ -187,7 +188,7 @@ static void _omap4_clkctrl_clk_disable(struct clk_hw *hw) ti_clk_ll_ops->clk_writel(val, &clk->enable_reg); - if (clk->flags & NO_IDLEST) + if (clk->flags & (NO_IDLEST | NO_IDLE_POLL)) goto exit; /* Wait until module is disabled */ @@ -597,6 +598,8 @@ static void __init _ti_omap4_clkctrl_setup(struct device_node *node) hw->enable_bit = MODULEMODE_HWCTRL; if (reg_data->flags & CLKF_NO_IDLEST) hw->flags |= NO_IDLEST; + if (reg_data->flags & CLKF_NO_IDLE_POLL) + hw->flags |= NO_IDLE_POLL; if (reg_data->clkdm_name) hw->clkdm_name = reg_data->clkdm_name; diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h index e4b8392..6410ff6 100644 --- a/drivers/clk/ti/clock.h +++ b/drivers/clk/ti/clock.h @@ -82,6 +82,7 @@ enum { #define CLKF_SW_SUP BIT(5) #define CLKF_HW_SUP BIT(6) #define CLKF_NO_IDLEST BIT(7) +#define CLKF_NO_IDLE_POLL BIT(8) #define CLKF_SOC_MASK GENMASK(11, 8) From patchwork Wed Aug 7 13:04:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 11082127 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2CBFB13B1 for ; Wed, 7 Aug 2019 13:05:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1C3CF289DC for ; Wed, 7 Aug 2019 13:05:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1060428A29; Wed, 7 Aug 2019 13:05:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ABDE728A24 for ; Wed, 7 Aug 2019 13:05:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387977AbfHGNFJ (ORCPT ); Wed, 7 Aug 2019 09:05:09 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:51486 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387476AbfHGNFJ (ORCPT ); Wed, 7 Aug 2019 09:05:09 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id x77D564I056045; Wed, 7 Aug 2019 08:05:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1565183106; bh=frBLaLQ0BrBJmM1vM+OF6FUfFxBudXkh00pQru7C5JM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=yhGRoa2lKVLMRRSFEke20CwxVEQdR6YaEARQTamupOkpFJl/NcCIGoyjnr8relvTQ ZFdVjcHV1rw7YlngjMlz1rb4vdw0LWzu2j3JWdBKf4KCU/NXzVJNA9q4u9aGoI/w/J v6ltniz+5H0/UBdRUa5dWnuJZcOaswoK0FJtHGho= Received: from DLEE115.ent.ti.com (dlee115.ent.ti.com [157.170.170.26]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x77D56aE039779 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 7 Aug 2019 08:05:06 -0500 Received: from DLEE113.ent.ti.com (157.170.170.24) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Wed, 7 Aug 2019 08:05:06 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Wed, 7 Aug 2019 08:05:06 -0500 Received: from gomoku.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id x77D4i1e081508; Wed, 7 Aug 2019 08:05:03 -0500 From: Tero Kristo To: , , CC: , , Subject: [PATCH 2/3] clk: ti: dra7xx: remove idlest polling from disabling ipu/dsp clocks Date: Wed, 7 Aug 2019 16:04:38 +0300 Message-ID: <1565183079-27798-3-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1565183079-27798-1-git-send-email-t-kristo@ti.com> References: <1565183079-27798-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP These cause some unwanted timeouts in the kernel, as they depend on reset and the execution state of the remotecore itself. These details should be handled by the driver with proper sequencing of events. Signed-off-by: Tero Kristo --- drivers/clk/ti/clk-7xx.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index b57fe09..5208eb8 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -25,7 +25,7 @@ }; static const struct omap_clkctrl_reg_data dra7_dsp1_clkctrl_regs[] __initconst = { - { DRA7_DSP1_MMU0_DSP1_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_dsp_m2_ck" }, + { DRA7_DSP1_MMU0_DSP1_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_NO_IDLE_POLL, "dpll_dsp_m2_ck" }, { 0 }, }; @@ -41,7 +41,7 @@ }; static const struct omap_clkctrl_reg_data dra7_ipu1_clkctrl_regs[] __initconst = { - { DRA7_IPU1_MMU_IPU1_CLKCTRL, dra7_mmu_ipu1_bit_data, CLKF_HW_SUP, "ipu1-clkctrl:0000:24" }, + { DRA7_IPU1_MMU_IPU1_CLKCTRL, dra7_mmu_ipu1_bit_data, CLKF_HW_SUP | CLKF_NO_IDLE_POLL, "ipu1-clkctrl:0000:24" }, { 0 }, }; @@ -137,7 +137,7 @@ }; static const struct omap_clkctrl_reg_data dra7_dsp2_clkctrl_regs[] __initconst = { - { DRA7_DSP2_MMU0_DSP2_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_dsp_m2_ck" }, + { DRA7_DSP2_MMU0_DSP2_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_NO_IDLE_POLL, "dpll_dsp_m2_ck" }, { 0 }, }; @@ -164,7 +164,7 @@ }; static const struct omap_clkctrl_reg_data dra7_ipu2_clkctrl_regs[] __initconst = { - { DRA7_IPU2_MMU_IPU2_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_core_h22x2_ck" }, + { DRA7_IPU2_MMU_IPU2_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_NO_IDLE_POLL, "dpll_core_h22x2_ck" }, { 0 }, }; From patchwork Wed Aug 7 13:04:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 11082131 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6EFC414DB for ; Wed, 7 Aug 2019 13:05:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5C74D2835B for ; Wed, 7 Aug 2019 13:05:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 50127289F1; Wed, 7 Aug 2019 13:05:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 00BAC205F8 for ; Wed, 7 Aug 2019 13:05:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387981AbfHGNFN (ORCPT ); Wed, 7 Aug 2019 09:05:13 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:37978 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387476AbfHGNFN (ORCPT ); Wed, 7 Aug 2019 09:05:13 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id x77D5AaY103207; Wed, 7 Aug 2019 08:05:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1565183110; bh=eqyHu/LUmaKHuC1352mmmRAsKmYUeRahsTBIJwAVsyY=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=VQ1K8m3Yq723CUbyTs0cESyvcTeW1xHvokk964GMKvV2XNOwAv3OxE/uTse/8fZFk Lkc0ucw5/JcmYvyVtEdWXnc31c8bhlzHU9NE/yIoUs6WNPeItQYU2aUWDbs8+utcU/ dOeBU+N9/8i9dMdVk7Y27z337Ti6fNqS9nmwK86Q= Received: from DLEE110.ent.ti.com (dlee110.ent.ti.com [157.170.170.21]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x77D5AXW040412 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 7 Aug 2019 08:05:10 -0500 Received: from DLEE107.ent.ti.com (157.170.170.37) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Wed, 7 Aug 2019 08:05:10 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE107.ent.ti.com (157.170.170.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Wed, 7 Aug 2019 08:05:10 -0500 Received: from gomoku.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id x77D4i1f081508; Wed, 7 Aug 2019 08:05:06 -0500 From: Tero Kristo To: , , CC: , , Subject: [PATCH 3/3] clk: ti: dra7xx: add timer_sys_ck clock alias Date: Wed, 7 Aug 2019 16:04:39 +0300 Message-ID: <1565183079-27798-4-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1565183079-27798-1-git-send-email-t-kristo@ti.com> References: <1565183079-27798-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is needed by the TI DM timer driver. Signed-off-by: Tero Kristo --- drivers/clk/ti/clk-7xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index 5208eb8..64507b8 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -792,6 +792,7 @@ static struct ti_dt_clk dra7xx_clks[] = { DT_CLK(NULL, "timer_32k_ck", "sys_32k_ck"), DT_CLK(NULL, "sys_clkin_ck", "timer_sys_clk_div"), + DT_CLK(NULL, "timer_sys_ck", "timer_sys_clk_div"), DT_CLK(NULL, "sys_clkin", "sys_clkin1"), DT_CLK(NULL, "atl_dpll_clk_mux", "atl-clkctrl:0000:24"), DT_CLK(NULL, "atl_gfclk_mux", "atl-clkctrl:0000:26"),