From patchwork Sat Jul 20 00:04:24 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomasz Figa X-Patchwork-Id: 2830735 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id CD2509F3EB for ; Sat, 20 Jul 2013 00:05:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 82455201EB for ; Sat, 20 Jul 2013 00:05:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C987201EF for ; Sat, 20 Jul 2013 00:05:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752951Ab3GTAFN (ORCPT ); Fri, 19 Jul 2013 20:05:13 -0400 Received: from mail-ea0-f174.google.com ([209.85.215.174]:58148 "EHLO mail-ea0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753216Ab3GTAFM (ORCPT ); Fri, 19 Jul 2013 20:05:12 -0400 Received: by mail-ea0-f174.google.com with SMTP id o10so2638267eaj.19 for ; Fri, 19 Jul 2013 17:05:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=AVD8xflYoWO4WbuEwIqDCQj8+yadiFkqhGbYWxT3BbM=; b=TuXyAb6cdG/L5V2gVglsMuVLCDgQ0EWgvXlRUlC5wJMkEAqckVb6g/2uASaV3LN/YW MbHYiMpDu3pyhF5/vFEjNek1cfxRdDaYBjNYILbhX7ew1VdunAsxbyx7kgT33kbqOEKW MrxsvtQ3jyjmzXYLG6AHjJYYHuXS1zUbWKQ3qO3cMLqzc16d9poBK/6DeHlOHHE4ZhEt 3e8zvaTJAKrtWi4Bwn38xHVgv2gNnlnke5pSORGOs5M7NQyas6lmQPmcS21zDc0ZG93e ciom3gRcugAbdh6lBLwsOBJ5QcXg7Le//daKv6Uvu7bIqbnc/ahDpG92dyCu9ojZ4p3s YnPg== X-Received: by 10.15.42.129 with SMTP id u1mr18001133eev.116.1374278710777; Fri, 19 Jul 2013 17:05:10 -0700 (PDT) Received: from flatron.tomeq (87-207-52-162.dynamic.chello.pl. [87.207.52.162]) by mx.google.com with ESMTPSA id bj46sm31186249eeb.13.2013.07.19.17.05.08 for (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 19 Jul 2013 17:05:09 -0700 (PDT) From: Tomasz Figa To: linux-samsung-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-pwm@vger.kernel.org, Kukjin Kim , Arnd Bergmann , Olof Johansson , Sylwester Nawrocki , =?UTF-8?q?Heiko=20St=C3=BCbner?= , Mark Brown , Thierry Reding , Tomasz Figa , Kyungmin Park Subject: [PATCH v4 11/20] ARM: SAMSUNG: Remove unused PWM timer IRQ chip code Date: Sat, 20 Jul 2013 02:04:24 +0200 Message-Id: <1374278673-25615-13-git-send-email-tomasz.figa@gmail.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1374278673-25615-1-git-send-email-tomasz.figa@gmail.com> References: <1374278673-25615-1-git-send-email-tomasz.figa@gmail.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Tomasz Figa As the need for an IRQ chip handling PWM timer interrupt chaining is gone now, this patch removes all the code made unnecessary. Signed-off-by: Tomasz Figa Signed-off-by: Kyungmin Park --- arch/arm/Kconfig | 1 - arch/arm/mach-s3c64xx/include/mach/irqs.h | 8 -- arch/arm/mach-s5p64x0/include/mach/irqs.h | 2 - arch/arm/mach-s5pc100/include/mach/irqs.h | 2 - arch/arm/mach-s5pv210/include/mach/irqs.h | 2 - arch/arm/plat-samsung/Kconfig | 6 -- arch/arm/plat-samsung/Makefile | 1 - arch/arm/plat-samsung/devs.c | 25 ++---- arch/arm/plat-samsung/include/plat/irq-vic-timer.h | 13 --- arch/arm/plat-samsung/include/plat/irqs.h | 9 -- arch/arm/plat-samsung/irq-vic-timer.c | 98 ---------------------- 11 files changed, 6 insertions(+), 161 deletions(-) delete mode 100644 arch/arm/plat-samsung/include/plat/irq-vic-timer.h delete mode 100644 arch/arm/plat-samsung/irq-vic-timer.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 486ab0a..fa7ffca 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -739,7 +739,6 @@ config ARCH_S3C64XX select SAMSUNG_ATAGS select SAMSUNG_CLKSRC select SAMSUNG_GPIOLIB_4BIT - select SAMSUNG_IRQ_VIC_TIMER select SAMSUNG_WDT_RESET select USB_ARCH_HAS_OHCI help diff --git a/arch/arm/mach-s3c64xx/include/mach/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h index 96d60e0..67bbd1d 100644 --- a/arch/arm/mach-s3c64xx/include/mach/irqs.h +++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h @@ -107,14 +107,6 @@ #define IRQ_TC IRQ_PENDN #define IRQ_ADC S3C64XX_IRQ_VIC1(31) -#define S3C64XX_TIMER_IRQ(x) S3C_IRQ(64 + (x)) - -#define IRQ_TIMER0 S3C64XX_TIMER_IRQ(0) -#define IRQ_TIMER1 S3C64XX_TIMER_IRQ(1) -#define IRQ_TIMER2 S3C64XX_TIMER_IRQ(2) -#define IRQ_TIMER3 S3C64XX_TIMER_IRQ(3) -#define IRQ_TIMER4 S3C64XX_TIMER_IRQ(4) - /* compatibility for device defines */ #define IRQ_IIC1 IRQ_S3C6410_IIC1 diff --git a/arch/arm/mach-s5p64x0/include/mach/irqs.h b/arch/arm/mach-s5p64x0/include/mach/irqs.h index 5b845e8..53982db 100644 --- a/arch/arm/mach-s5p64x0/include/mach/irqs.h +++ b/arch/arm/mach-s5p64x0/include/mach/irqs.h @@ -141,8 +141,6 @@ #define IRQ_EINT_GROUP(grp, x) (IRQ_EINT_GROUP##grp##_BASE + (x)) -#define IRQ_TIMER_BASE (11) - /* Set the default NR_IRQS */ #define NR_IRQS (IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR + 1) diff --git a/arch/arm/mach-s5pc100/include/mach/irqs.h b/arch/arm/mach-s5pc100/include/mach/irqs.h index 2870f12..d2eb475 100644 --- a/arch/arm/mach-s5pc100/include/mach/irqs.h +++ b/arch/arm/mach-s5pc100/include/mach/irqs.h @@ -97,8 +97,6 @@ #define IRQ_SDMFIQ S5P_IRQ_VIC2(31) #define IRQ_VIC_END S5P_IRQ_VIC2(31) -#define IRQ_TIMER_BASE (11) - #define S5P_EINT_BASE1 (S5P_IRQ_VIC0(0)) #define S5P_EINT_BASE2 (IRQ_VIC_END + 1) diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h index e777e01..5e0de3a 100644 --- a/arch/arm/mach-s5pv210/include/mach/irqs.h +++ b/arch/arm/mach-s5pv210/include/mach/irqs.h @@ -118,8 +118,6 @@ #define IRQ_MDNIE3 S5P_IRQ_VIC3(8) #define IRQ_VIC_END S5P_IRQ_VIC3(31) -#define IRQ_TIMER_BASE (11) - #define S5P_EINT_BASE1 (S5P_IRQ_VIC0(0)) #define S5P_EINT_BASE2 (IRQ_VIC_END + 1) diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index 3e880b7..b21d9d5 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -25,7 +25,6 @@ config PLAT_S5P select S5P_GPIO_DRVSTR select SAMSUNG_CLKSRC if !COMMON_CLK select SAMSUNG_GPIOLIB_4BIT - select SAMSUNG_IRQ_VIC_TIMER help Base platform code for Samsung's S5P series SoC. @@ -91,11 +90,6 @@ config S5P_CLOCK # options for IRQ support -config SAMSUNG_IRQ_VIC_TIMER - bool - help - Internal configuration to build the VIC timer interrupt code. - config S5P_IRQ def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210) help diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index cf41bf9..aafbe56 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_SAMSUNG_CLOCK) += pwm-clock.o obj-$(CONFIG_SAMSUNG_CLKSRC) += clock-clksrc.o obj-$(CONFIG_S5P_CLOCK) += s5p-clock.o -obj-$(CONFIG_SAMSUNG_IRQ_VIC_TIMER) += irq-vic-timer.o obj-$(CONFIG_S5P_IRQ) += s5p-irq.o obj-$(CONFIG_S5P_EXT_INT) += s5p-irq-eint.o obj-$(CONFIG_S5P_GPIO_INT) += s5p-irq-gpioint.o diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index bba6d78..290f63a 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -1099,22 +1099,9 @@ arch_initcall(s5p_pmu_init); #ifdef CONFIG_SAMSUNG_DEV_PWM -#define TIMER_RESOURCE_SIZE (1) - -#define TIMER_RESOURCE(_tmr, _irq) \ - (struct resource [TIMER_RESOURCE_SIZE]) { \ - [0] = { \ - .start = _irq, \ - .end = _irq, \ - .flags = IORESOURCE_IRQ \ - } \ - } - -#define DEFINE_S3C_TIMER(_tmr_no, _irq) \ +#define DEFINE_S3C_TIMER(_tmr_no) \ .name = "s3c24xx-pwm", \ .id = _tmr_no, \ - .num_resources = TIMER_RESOURCE_SIZE, \ - .resource = TIMER_RESOURCE(_tmr_no, _irq), \ /* * since we already have an static mapping for the timer, @@ -1122,11 +1109,11 @@ arch_initcall(s5p_pmu_init); */ struct platform_device s3c_device_timer[] = { - [0] = { DEFINE_S3C_TIMER(0, IRQ_TIMER0) }, - [1] = { DEFINE_S3C_TIMER(1, IRQ_TIMER1) }, - [2] = { DEFINE_S3C_TIMER(2, IRQ_TIMER2) }, - [3] = { DEFINE_S3C_TIMER(3, IRQ_TIMER3) }, - [4] = { DEFINE_S3C_TIMER(4, IRQ_TIMER4) }, + [0] = { DEFINE_S3C_TIMER(0) }, + [1] = { DEFINE_S3C_TIMER(1) }, + [2] = { DEFINE_S3C_TIMER(2) }, + [3] = { DEFINE_S3C_TIMER(3) }, + [4] = { DEFINE_S3C_TIMER(4) }, }; static struct resource samsung_pwm_resource[] = { diff --git a/arch/arm/plat-samsung/include/plat/irq-vic-timer.h b/arch/arm/plat-samsung/include/plat/irq-vic-timer.h deleted file mode 100644 index 5b9c42f..0000000 --- a/arch/arm/plat-samsung/include/plat/irq-vic-timer.h +++ /dev/null @@ -1,13 +0,0 @@ -/* arch/arm/plat-samsung/include/plat/irq-vic-timer.h - * - * Copyright (c) 2010 Simtec Electronics - * Ben Dooks - * - * Header file for Samsung SoC IRQ VIC timer - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -extern void s3c_init_vic_timer_irq(unsigned int num, unsigned int timer_irq); diff --git a/arch/arm/plat-samsung/include/plat/irqs.h b/arch/arm/plat-samsung/include/plat/irqs.h index df46b77..039001c 100644 --- a/arch/arm/plat-samsung/include/plat/irqs.h +++ b/arch/arm/plat-samsung/include/plat/irqs.h @@ -44,15 +44,6 @@ #define S5P_IRQ_VIC2(x) (S5P_VIC2_BASE + (x)) #define S5P_IRQ_VIC3(x) (S5P_VIC3_BASE + (x)) -#define S5P_TIMER_IRQ(x) (IRQ_TIMER_BASE + (x)) - -#define IRQ_TIMER0 S5P_TIMER_IRQ(0) -#define IRQ_TIMER1 S5P_TIMER_IRQ(1) -#define IRQ_TIMER2 S5P_TIMER_IRQ(2) -#define IRQ_TIMER3 S5P_TIMER_IRQ(3) -#define IRQ_TIMER4 S5P_TIMER_IRQ(4) -#define IRQ_TIMER_COUNT (5) - #define IRQ_EINT(x) ((x) < 16 ? ((x) + S5P_EINT_BASE1) \ : ((x) - 16 + S5P_EINT_BASE2)) diff --git a/arch/arm/plat-samsung/irq-vic-timer.c b/arch/arm/plat-samsung/irq-vic-timer.c deleted file mode 100644 index 0fceb42..0000000 --- a/arch/arm/plat-samsung/irq-vic-timer.c +++ /dev/null @@ -1,98 +0,0 @@ -/* arch/arm/plat-samsung/irq-vic-timer.c - * originally part of arch/arm/plat-s3c64xx/irq.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks - * http://armlinux.simtec.co.uk/ - * - * S3C64XX - Interrupt handling - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -static void s3c_irq_demux_vic_timer(unsigned int irq, struct irq_desc *desc) -{ - struct irq_chip *chip = irq_get_chip(irq); - chained_irq_enter(chip, desc); - generic_handle_irq((int)desc->irq_data.handler_data); - chained_irq_exit(chip, desc); -} - -/* We assume the IRQ_TIMER0..IRQ_TIMER4 range is continuous. */ -static void s3c_irq_timer_ack(struct irq_data *d) -{ - struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); - u32 mask = (1 << 5) << (d->irq - gc->irq_base); - - irq_reg_writel(mask | gc->mask_cache, gc->reg_base); -} - -/** - * s3c_init_vic_timer_irq() - initialise timer irq chanined off VIC.\ - * @num: Number of timers to initialize - * @timer_irq: Base IRQ number to be used for the timers. - * - * Register the necessary IRQ chaining and support for the timer IRQs - * chained of the VIC. - */ -void __init s3c_init_vic_timer_irq(unsigned int num, unsigned int timer_irq) -{ - unsigned int pirq[5] = { IRQ_TIMER0_VIC, IRQ_TIMER1_VIC, IRQ_TIMER2_VIC, - IRQ_TIMER3_VIC, IRQ_TIMER4_VIC }; - struct irq_chip_generic *s3c_tgc; - struct irq_chip_type *ct; - unsigned int i; - -#ifdef CONFIG_ARCH_EXYNOS - if (soc_is_exynos5250()) { - pirq[0] = EXYNOS5_IRQ_TIMER0_VIC; - pirq[1] = EXYNOS5_IRQ_TIMER1_VIC; - pirq[2] = EXYNOS5_IRQ_TIMER2_VIC; - pirq[3] = EXYNOS5_IRQ_TIMER3_VIC; - pirq[4] = EXYNOS5_IRQ_TIMER4_VIC; - } else { - pirq[0] = EXYNOS4_IRQ_TIMER0_VIC; - pirq[1] = EXYNOS4_IRQ_TIMER1_VIC; - pirq[2] = EXYNOS4_IRQ_TIMER2_VIC; - pirq[3] = EXYNOS4_IRQ_TIMER3_VIC; - pirq[4] = EXYNOS4_IRQ_TIMER4_VIC; - } -#endif - s3c_tgc = irq_alloc_generic_chip("s3c-timer", 1, timer_irq, - S3C64XX_TINT_CSTAT, handle_level_irq); - - if (!s3c_tgc) { - pr_err("%s: irq_alloc_generic_chip for IRQ %d failed\n", - __func__, timer_irq); - return; - } - - ct = s3c_tgc->chip_types; - ct->chip.irq_mask = irq_gc_mask_clr_bit; - ct->chip.irq_unmask = irq_gc_mask_set_bit; - ct->chip.irq_ack = s3c_irq_timer_ack; - irq_setup_generic_chip(s3c_tgc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE, - IRQ_NOREQUEST | IRQ_NOPROBE, 0); - /* Clear the upper bits of the mask_cache*/ - s3c_tgc->mask_cache &= 0x1f; - - for (i = 0; i < num; i++, timer_irq++) { - irq_set_chained_handler(pirq[i], s3c_irq_demux_vic_timer); - irq_set_handler_data(pirq[i], (void *)timer_irq); - } -}