From patchwork Tue Nov 14 07:59:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshinori Sato X-Patchwork-Id: 13454918 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78E1DC4332F for ; Tue, 14 Nov 2023 08:00:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232288AbjKNIAq (ORCPT ); Tue, 14 Nov 2023 03:00:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232242AbjKNIAp (ORCPT ); Tue, 14 Nov 2023 03:00:45 -0500 Received: from sakura.ysato.name (ik1-413-38519.vs.sakura.ne.jp [153.127.30.23]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D1150195 for ; Tue, 14 Nov 2023 00:00:41 -0800 (PST) Received: from SIOS1075.ysato.name (ZM005235.ppp.dion.ne.jp [222.8.5.235]) by sakura.ysato.name (Postfix) with ESMTPSA id C58F41C03C1; Tue, 14 Nov 2023 17:00:40 +0900 (JST) From: Yoshinori Sato To: linux-sh@vger.kernel.org Cc: Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Andrew Morton , Arnd Bergmann , Stephen Rothwell , Michael Karcher , Randy Dunlap , Sergey Shtylyov , Geert Uytterhoeven Subject: [PATCH v4 05/37] sh: GENERIC_IRQ_CHIP support for CONFIG_OF=y Date: Tue, 14 Nov 2023 16:59:56 +0900 Message-Id: X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org Remove unused function prototype. Add helper update_sr_imask. use for SH7751 irq driver. Add stub intc_finalize. Signed-off-by: Yoshinori Sato --- arch/sh/include/asm/irq.h | 10 ++++++++-- arch/sh/kernel/cpu/Makefile | 5 +---- arch/sh/kernel/cpu/irq/imask.c | 17 +++++++++++++++++ include/linux/sh_intc.h | 7 ++++++- 4 files changed, 32 insertions(+), 7 deletions(-) diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h index 0f384b1f45ca..c3e3db793dba 100644 --- a/arch/sh/include/asm/irq.h +++ b/arch/sh/include/asm/irq.h @@ -16,8 +16,8 @@ /* * Simple Mask Register Support */ -extern void make_maskreg_irq(unsigned int irq); -extern unsigned short *irq_mask_register; + +void update_sr_imask(unsigned int irq, unsigned int enable); /* * PINT IRQs @@ -54,4 +54,10 @@ extern void irq_finish(unsigned int irq); #include +/* SH3/4 INTC stuff */ +/* IRL level 0 - 15 */ +#define NR_IRL 15 +/* IRL0 -> IRQ16 */ +#define IRL_BASE_IRQ 16 + #endif /* __ASM_SH_IRQ_H */ diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile index e00ebf134985..ad12807fae9c 100644 --- a/arch/sh/kernel/cpu/Makefile +++ b/arch/sh/kernel/cpu/Makefile @@ -20,7 +20,4 @@ ifndef CONFIG_COMMON_CLK obj-y += clock.o obj-$(CONFIG_SH_CLK_CPG_LEGACY) += clock-cpg.o endif -ifndef CONFIG_GENERIC_IRQ_CHIP -obj-y += irq/ -endif -obj-y += init.o fpu.o pfc.o proc.o +obj-y += init.o fpu.o pfc.o proc.o irq/ diff --git a/arch/sh/kernel/cpu/irq/imask.c b/arch/sh/kernel/cpu/irq/imask.c index 572585c3f2fd..d9a703715228 100644 --- a/arch/sh/kernel/cpu/irq/imask.c +++ b/arch/sh/kernel/cpu/irq/imask.c @@ -51,6 +51,7 @@ static inline void set_interrupt_registers(int ip) : "t"); } +#ifndef CONFIG_GENERIC_IRQ_CHIP static void mask_imask_irq(struct irq_data *data) { unsigned int irq = data->irq; @@ -83,3 +84,19 @@ void make_imask_irq(unsigned int irq) irq_set_chip_and_handler_name(irq, &imask_irq_chip, handle_level_irq, "level"); } +#else +void update_sr_imask(unsigned int irq, unsigned int enable) +{ + if (enable) { + set_bit(irq, imask_mask); + interrupt_priority = IMASK_PRIORITY - + find_first_bit(imask_mask, IMASK_PRIORITY); + } else { + clear_bit(irq, imask_mask); + if (interrupt_priority < IMASK_PRIORITY - irq) + interrupt_priority = IMASK_PRIORITY - irq; + } + set_interrupt_registers(interrupt_priority); +} +EXPORT_SYMBOL(update_sr_imask); +#endif diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h index 27ae79191bdc..994b5b05a0d7 100644 --- a/include/linux/sh_intc.h +++ b/include/linux/sh_intc.h @@ -139,8 +139,13 @@ struct intc_desc symbol __initdata = { \ int register_intc_controller(struct intc_desc *desc); int intc_set_priority(unsigned int irq, unsigned int prio); int intc_irq_lookup(const char *chipname, intc_enum enum_id); +#ifndef CONFIG_SH_DEVICE_TREE void intc_finalize(void); - +#else +static inline void intc_finalize(void) +{ +} +#endif #ifdef CONFIG_INTC_USERIMASK int register_intc_userimask(unsigned long addr); #else