From patchwork Tue Jul 2 11:42:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marek_Beh=C3=BAn?= X-Patchwork-Id: 13719495 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 93339C30658 for ; Tue, 2 Jul 2024 11:46:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vAUOB7oM2yS1nUGmfEdGr9dhL4czmCeY/TfKttYw+ag=; b=OqcbtW4x5GN5RiyKj1MVru1k2H AOzQoqQhnnE+pPR6+xM1Wme/zytArZsk/KV8w2hf0ju1m7ILVHvlLH5R1aRc1clv5N+jpxdsOsAog o+22T98z8rANRGM1G5zoPs+J+SFR1LUzsEGjEZ/E/44+2BkN7lCrAjTEu7FEEprR1Pz4+HeDJDaOL 2tzii2Vj17Z6PO0hL3bSxjrFQWxkISuafEIM0ek0wWpMedxfk9PnVf7hSYfbHfCxyinjd4V1YWmN6 7gFrLEUIU+Uwypf0wdas/N7ve7W7wLs4Agq0rc7s8OsAVO7kidOSL6jlUWHw/6WUFI+82bI9IZnAf wE381ECw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sObxc-00000006Xaq-2jZT; Tue, 02 Jul 2024 11:46:12 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sObvO-00000006WKz-3rhQ for linux-arm-kernel@lists.infradead.org; Tue, 02 Jul 2024 11:43:56 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 34108CE16FE; Tue, 2 Jul 2024 11:43:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 56FD8C4AF0D; Tue, 2 Jul 2024 11:43:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719920632; bh=MRnT12NOqWPSaqXNxqvfZI1fZEvs/be9a9VCIjgZzTY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hiFG5eC/CclmtegnosPEhQC+vE9QQee9sdiREUqNb52yNB8FWQsNZLV7ME3XKdC8W DfA9HdiU2lQ1Hj9ZIfXr5DuhbpAGcPYKKy/qbcADvd0xb3AHUAqJMYcNXb4t1brr2S JVUa2zHCpBAwB5BWbon0XrOfJDmPV8iBV23VTyps1dmpLS+mZcZyJgEsXXiuwxNnq4 NfB9h9amdnbE/xHPg7AuWil4V28ii4UQkhFpnOWHo4A5LRl1tQdH2alwzWtcdvr+ri +YUGkSx71z/Xk8rSrOEaWSoB11AhgOI9jh3IpZcQ3R6s1Q5FX8ccPLUEd+UkI2G961 fkMsyeGmZ4+Qw== From: =?utf-8?q?Marek_Beh=C3=BAn?= To: Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, arm@kernel.org, Andy Shevchenko , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= Cc: =?utf-8?q?Marek_Beh=C3=BAn?= Subject: [PATCH v2 17/30] irqchip/armada-370-xp: Don't read number of supported interrupts multiple times Date: Tue, 2 Jul 2024 13:42:49 +0200 Message-ID: <20240702114302.22475-18-kabel@kernel.org> X-Mailer: git-send-email 2.44.2 In-Reply-To: <20240702114302.22475-1-kabel@kernel.org> References: <20240702114302.22475-1-kabel@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240702_044355_260693_E57E6E74 X-CRM114-Status: GOOD ( 12.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Get the number of supported interrupts, originally from the MPIC_INT_CONTROL register, from the mpic_domain structure member when it is already initialized. Signed-off-by: Marek Behún Reviewed-by: Andrew Lunn --- drivers/irqchip/irq-armada-370-xp.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index ab18dae174a8..151f0fd0389a 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -508,13 +508,7 @@ static int mpic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, static void mpic_smp_cpu_init(void) { - u32 control; - int nr_irqs; - - control = readl(main_int_base + MPIC_INT_CONTROL); - nr_irqs = (control >> 2) & 0x3ff; - - for (int i = 0; i < nr_irqs; i++) + for (int i = 0; i < mpic_domain->hwirq_max; i++) writel(i, per_cpu_int_base + MPIC_INT_SET_MASK); if (!mpic_is_ipi_available()) @@ -723,11 +717,9 @@ static int mpic_suspend(void) static void mpic_resume(void) { bool src0, src1; - int nirqs; /* Re-enable interrupts */ - nirqs = (readl(main_int_base + MPIC_INT_CONTROL) >> 2) & 0x3ff; - for (irq_hw_number_t irq = 0; irq < nirqs; irq++) { + for (irq_hw_number_t irq = 0; irq < mpic_domain->hwirq_max; irq++) { struct irq_data *data; unsigned int virq;