From patchwork Mon Mar 25 21:31:34 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Heiko_St=C3=BCbner?= X-Patchwork-Id: 2333711 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id B6B32DF24C for ; Mon, 25 Mar 2013 21:31:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932646Ab3CYVb3 (ORCPT ); Mon, 25 Mar 2013 17:31:29 -0400 Received: from gloria.sntech.de ([95.129.55.99]:47049 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932356Ab3CYVb3 (ORCPT ); Mon, 25 Mar 2013 17:31:29 -0400 Received: from ipd50ad2d4.speed.planet.nl ([213.10.210.212] helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1UKEzA-0007MM-L8; Mon, 25 Mar 2013 22:31:20 +0100 From: Heiko =?iso-8859-1?q?St=FCbner?= To: Kukjin Kim Subject: [PATCH v5 5/7] irqchip: s3c24xx: globally keep track of the created intc instances Date: Mon, 25 Mar 2013 22:31:34 +0100 User-Agent: KMail/1.13.7 (Linux/3.2.0-2-amd64; KDE/4.8.4; x86_64; ; ) Cc: Grant Likely , Rob Herring , Thomas Abraham , Arnd Bergmann , devicetree-discuss@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org References: <201303252226.21402.heiko@sntech.de> In-Reply-To: <201303252226.21402.heiko@sntech.de> MIME-Version: 1.0 Message-Id: <201303252231.34833.heiko@sntech.de> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org For dt-enabled machines we want to use a big irq_domain over all controllers and therefore need to access not only the main controllers but the sub-controller as well. Signed-off-by: Heiko Stuebner --- drivers/irqchip/irq-s3c24xx.c | 99 +++++++++++++++++++++-------------------- 1 file changed, 50 insertions(+), 49 deletions(-) diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c index 7cba4f0..9914abd 100644 --- a/drivers/irqchip/irq-s3c24xx.c +++ b/drivers/irqchip/irq-s3c24xx.c @@ -69,6 +69,14 @@ struct s3c_irq_intc { struct s3c_irq_data *irqs; }; +/* + * Array holding pointers to the global controller structs + * [0] ... main_intc + * [1] ... sub_intc + * [2] ... main_intc2 on s3c2416 + */ +static struct s3c_irq_intc *s3c_intc[3]; + static void s3c_irq_mask(struct irq_data *data) { struct s3c_irq_intc *intc = data->domain->host_data; @@ -307,9 +315,6 @@ static void s3c_irq_demux(unsigned int irq, struct irq_desc *desc) chained_irq_exit(chip, desc); } -static struct s3c_irq_intc *main_intc; -static struct s3c_irq_intc *main_intc2; - static inline int s3c24xx_handle_intc(struct s3c_irq_intc *intc, struct pt_regs *regs) { @@ -345,12 +350,12 @@ static inline int s3c24xx_handle_intc(struct s3c_irq_intc *intc, asmlinkage void __exception_irq_entry s3c24xx_handle_irq(struct pt_regs *regs) { do { - if (likely(main_intc)) - if (s3c24xx_handle_intc(main_intc, regs)) + if (likely(s3c_intc[0])) + if (s3c24xx_handle_intc(s3c_intc[0], regs)) continue; - if (main_intc2) - if (s3c24xx_handle_intc(main_intc2, regs)) + if (s3c_intc[2]) + if (s3c24xx_handle_intc(s3c_intc[2], regs)) continue; break; @@ -577,11 +582,6 @@ static struct s3c_irq_intc *s3c24xx_init_intc(struct device_node *np, goto err; } - if (address == 0x4a000000) - main_intc = intc; - else if (address == 0x4a000040) - main_intc2 = intc; - set_handle_irq(s3c24xx_handle_irq); return intc; @@ -670,20 +670,20 @@ static struct s3c_irq_data init_s3c2410subint[32] = { void __init s3c2410_init_irq(void) { - struct s3c_irq_intc *main_intc; - #ifdef CONFIG_FIQ init_FIQ(FIQ_START); #endif - main_intc = s3c24xx_init_intc(NULL, &init_s3c2410base[0], NULL, 0x4a000000); - if (IS_ERR(main_intc)) { + s3c_intc[0] = s3c24xx_init_intc(NULL, &init_s3c2410base[0], NULL, + 0x4a000000); + if (IS_ERR(s3c_intc[0])) { pr_err("irq: could not create main interrupt controller\n"); return; } - s3c24xx_init_intc(NULL, &init_s3c2410subint[0], main_intc, 0x4a000018); - s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4); + s3c_intc[1] = s3c24xx_init_intc(NULL, &init_s3c2410subint[0], + s3c_intc[0], 0x4a000018); + s3c24xx_init_intc(NULL, &init_eint[0], s3c_intc[0], 0x560000a4); } #endif @@ -770,22 +770,22 @@ static struct s3c_irq_data init_s3c2412subint[32] = { void s3c2412_init_irq(void) { - struct s3c_irq_intc *main_intc; - pr_info("S3C2412: IRQ Support\n"); #ifdef CONFIG_FIQ init_FIQ(FIQ_START); #endif - main_intc = s3c24xx_init_intc(NULL, &init_s3c2412base[0], NULL, 0x4a000000); - if (IS_ERR(main_intc)) { + s3c_intc[0] = s3c24xx_init_intc(NULL, &init_s3c2412base[0], NULL, + 0x4a000000); + if (IS_ERR(s3c_intc[0])) { pr_err("irq: could not create main interrupt controller\n"); return; } - s3c24xx_init_intc(NULL, &init_s3c2412eint[0], main_intc, 0x560000a4); - s3c24xx_init_intc(NULL, &init_s3c2412subint[0], main_intc, 0x4a000018); + s3c24xx_init_intc(NULL, &init_s3c2412eint[0], s3c_intc[0], 0x560000a4); + s3c_intc[1] = s3c24xx_init_intc(NULL, &init_s3c2412subint[0], + s3c_intc[0], 0x4a000018); } #endif @@ -869,24 +869,25 @@ static struct s3c_irq_data init_s3c2416_second[32] = { void __init s3c2416_init_irq(void) { - struct s3c_irq_intc *main_intc; - pr_info("S3C2416: IRQ Support\n"); #ifdef CONFIG_FIQ init_FIQ(FIQ_START); #endif - main_intc = s3c24xx_init_intc(NULL, &init_s3c2416base[0], NULL, 0x4a000000); - if (IS_ERR(main_intc)) { + s3c_intc[0] = s3c24xx_init_intc(NULL, &init_s3c2416base[0], NULL, + 0x4a000000); + if (IS_ERR(s3c_intc[0])) { pr_err("irq: could not create main interrupt controller\n"); return; } - s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4); - s3c24xx_init_intc(NULL, &init_s3c2416subint[0], main_intc, 0x4a000018); + s3c24xx_init_intc(NULL, &init_eint[0], s3c_intc[0], 0x560000a4); + s3c_intc[1] = s3c24xx_init_intc(NULL, &init_s3c2416subint[0], + s3c_intc[0], 0x4a000018); - s3c24xx_init_intc(NULL, &init_s3c2416_second[0], NULL, 0x4a000040); + s3c_intc[2] = s3c24xx_init_intc(NULL, &init_s3c2416_second[0], + NULL, 0x4a000040); } #endif @@ -947,22 +948,22 @@ static struct s3c_irq_data init_s3c2440subint[32] = { void __init s3c2440_init_irq(void) { - struct s3c_irq_intc *main_intc; - pr_info("S3C2440: IRQ Support\n"); #ifdef CONFIG_FIQ init_FIQ(FIQ_START); #endif - main_intc = s3c24xx_init_intc(NULL, &init_s3c2440base[0], NULL, 0x4a000000); - if (IS_ERR(main_intc)) { + s3c_intc[0] = s3c24xx_init_intc(NULL, &init_s3c2440base[0], NULL, + 0x4a000000); + if (IS_ERR(s3c_intc[0])) { pr_err("irq: could not create main interrupt controller\n"); return; } - s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4); - s3c24xx_init_intc(NULL, &init_s3c2440subint[0], main_intc, 0x4a000018); + s3c24xx_init_intc(NULL, &init_eint[0], s3c_intc[0], 0x560000a4); + s3c_intc[1] = s3c24xx_init_intc(NULL, &init_s3c2440subint[0], + s3c_intc[0], 0x4a000018); } #endif @@ -1020,22 +1021,22 @@ static struct s3c_irq_data init_s3c2442subint[32] = { void __init s3c2442_init_irq(void) { - struct s3c_irq_intc *main_intc; - pr_info("S3C2442: IRQ Support\n"); #ifdef CONFIG_FIQ init_FIQ(FIQ_START); #endif - main_intc = s3c24xx_init_intc(NULL, &init_s3c2442base[0], NULL, 0x4a000000); - if (IS_ERR(main_intc)) { + s3c_intc[0] = s3c24xx_init_intc(NULL, &init_s3c2442base[0], NULL, + 0x4a000000); + if (IS_ERR(s3c_intc[0])) { pr_err("irq: could not create main interrupt controller\n"); return; } - s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4); - s3c24xx_init_intc(NULL, &init_s3c2442subint[0], main_intc, 0x4a000018); + s3c24xx_init_intc(NULL, &init_eint[0], s3c_intc[0], 0x560000a4); + s3c_intc[1] = s3c24xx_init_intc(NULL, &init_s3c2442subint[0], + s3c_intc[0], 0x4a000018); } #endif @@ -1110,21 +1111,21 @@ static struct s3c_irq_data init_s3c2443subint[32] = { void __init s3c2443_init_irq(void) { - struct s3c_irq_intc *main_intc; - pr_info("S3C2443: IRQ Support\n"); #ifdef CONFIG_FIQ init_FIQ(FIQ_START); #endif - main_intc = s3c24xx_init_intc(NULL, &init_s3c2443base[0], NULL, 0x4a000000); - if (IS_ERR(main_intc)) { + s3c_intc[0] = s3c24xx_init_intc(NULL, &init_s3c2443base[0], NULL, + 0x4a000000); + if (IS_ERR(s3c_intc[0])) { pr_err("irq: could not create main interrupt controller\n"); return; } - s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4); - s3c24xx_init_intc(NULL, &init_s3c2443subint[0], main_intc, 0x4a000018); + s3c24xx_init_intc(NULL, &init_eint[0], s3c_intc[0], 0x560000a4); + s3c_intc[1] = s3c24xx_init_intc(NULL, &init_s3c2443subint[0], + s3c_intc[0], 0x4a000018); } #endif