From patchwork Fri Aug 30 22:07:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lubomir Rintel X-Patchwork-Id: 11124625 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 1AB9918EC for ; Fri, 30 Aug 2019 22:16:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00E5523439 for ; Fri, 30 Aug 2019 22:16:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728579AbfH3WQu (ORCPT ); Fri, 30 Aug 2019 18:16:50 -0400 Received: from shell.v3.sk ([90.176.6.54]:56366 "EHLO shell.v3.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728342AbfH3WQV (ORCPT ); Fri, 30 Aug 2019 18:16:21 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id 52D51D87E7; Sat, 31 Aug 2019 00:08:47 +0200 (CEST) Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id CvhPEaUgcc89; Sat, 31 Aug 2019 00:08:21 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id D3008D87E1; Sat, 31 Aug 2019 00:08:00 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.v3.sk Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id ShqfBR8zablj; Sat, 31 Aug 2019 00:07:56 +0200 (CEST) Received: from belphegor.brq.redhat.com (nat-pool-brq-t.redhat.com [213.175.37.10]) by zimbra.v3.sk (Postfix) with ESMTPSA id 91806D87EC; Sat, 31 Aug 2019 00:07:51 +0200 (CEST) From: Lubomir Rintel To: "To : Olof Johansson" Cc: "Cc : Rob Herring" , Mark Rutland , Thomas Gleixner , Jason Cooper , Kishon Vijay Abraham I , Russell King , Michael Turquette , Stephen Boyd , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Lubomir Rintel Subject: [PATCH v3 09/16] ARM: mmp: DT: convert timer driver to use TIMER_OF_DECLARE Date: Sat, 31 Aug 2019 00:07:36 +0200 Message-Id: <20190830220743.439670-10-lkundrak@v3.sk> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190830220743.439670-1-lkundrak@v3.sk> References: <20190830220743.439670-1-lkundrak@v3.sk> MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org This makes things just a tiny bit simpler. Signed-off-by: Lubomir Rintel --- arch/arm/mach-mmp/mmp-dt.c | 5 ++--- arch/arm/mach-mmp/mmp2-dt.c | 5 ++--- arch/arm/mach-mmp/time.c | 38 +++++++++++-------------------------- 3 files changed, 15 insertions(+), 33 deletions(-) diff --git a/arch/arm/mach-mmp/mmp-dt.c b/arch/arm/mach-mmp/mmp-dt.c index 35559792d5cca..91214996acecc 100644 --- a/arch/arm/mach-mmp/mmp-dt.c +++ b/arch/arm/mach-mmp/mmp-dt.c @@ -9,14 +9,13 @@ #include #include #include +#include #include #include #include #include "common.h" -extern void __init mmp_dt_init_timer(void); - static const char *const pxa168_dt_board_compat[] __initconst = { "mrvl,pxa168-aspenite", NULL, @@ -32,8 +31,8 @@ static void __init mmp_init_time(void) #ifdef CONFIG_CACHE_TAUROS2 tauros2_init(0); #endif - mmp_dt_init_timer(); of_clk_init(NULL); + timer_probe(); } DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)") diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c index 8eec881191f4b..510c762ddc484 100644 --- a/arch/arm/mach-mmp/mmp2-dt.c +++ b/arch/arm/mach-mmp/mmp2-dt.c @@ -10,21 +10,20 @@ #include #include #include +#include #include #include #include #include "common.h" -extern void __init mmp_dt_init_timer(void); - static void __init mmp_init_time(void) { #ifdef CONFIG_CACHE_TAUROS2 tauros2_init(0); #endif of_clk_init(NULL); - mmp_dt_init_timer(); + timer_probe(); } static const char *const mmp2_dt_board_compat[] __initconst = { diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c index 483df32583be6..3f6fd0be00512 100644 --- a/arch/arm/mach-mmp/time.c +++ b/arch/arm/mach-mmp/time.c @@ -195,30 +195,17 @@ void __init mmp_timer_init(int irq, unsigned long rate) clockevents_config_and_register(&ckevt, rate, MIN_DELTA, MAX_DELTA); } -#ifdef CONFIG_OF -static const struct of_device_id mmp_timer_dt_ids[] = { - { .compatible = "mrvl,mmp-timer", }, - {} -}; - -void __init mmp_dt_init_timer(void) +static int __init mmp_dt_init_timer(struct device_node *np) { - struct device_node *np; struct clk *clk; int irq, ret; unsigned long rate; - np = of_find_matching_node(NULL, mmp_timer_dt_ids); - if (!np) { - ret = -ENODEV; - goto out; - } - clk = of_clk_get(np, 0); if (!IS_ERR(clk)) { ret = clk_prepare_enable(clk); if (ret) - goto out; + return ret; rate = clk_get_rate(clk) / 2; } else if (cpu_is_pj4()) { rate = 6500000; @@ -227,18 +214,15 @@ void __init mmp_dt_init_timer(void) } irq = irq_of_parse_and_map(np, 0); - if (!irq) { - ret = -EINVAL; - goto out; - } + if (!irq) + return -EINVAL; + mmp_timer_base = of_iomap(np, 0); - if (!mmp_timer_base) { - ret = -ENOMEM; - goto out; - } + if (!mmp_timer_base) + return -ENOMEM; + mmp_timer_init(irq, rate); - return; -out: - pr_err("Failed to get timer from device tree with error:%d\n", ret); + return 0; } -#endif + +TIMER_OF_DECLARE(mmp_timer, "mrvl,mmp-timer", mmp_dt_init_timer);