From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 280AE46AA89; Tue, 21 Jul 2026 15:51:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784649107; cv=none; b=Ru416gKp02UMCrFQqCBLj0/LNK20YclLlbXmLvEumMnwL7PNiFox+lobW+iS9FKWBXCnQXP+Z22mOJekwruInnaPU05sn2iBAqlz6mwiySW4MrNwXExqvP4gBJiWHtprHUduJbdeGTd2EC7uVLiVFTd1NIISvU7QKdXRbSQPcSg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784649107; c=relaxed/simple; bh=3QBq5Mu3+lMkoBCd9M8c8dDVO8lDhP4QneP7M2IVfhk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oo4BZG++apvkLcjLrCUQdw0THH8hEnoMIeDjnsCtqs7OkHJXl66p9PnBRvb59Bxr6hA/xl4QVsKQrZBr8rB+OgeXOKD/WmkIw1HIDCyWunlfl6iUouVzs4btq3M5agO60nrneNXAwrGA3pkxOcxYwnGM0k8cNJSKiO+FnT6Hf2k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=wdGzpjJN; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="wdGzpjJN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C3CB61F00A3D; Tue, 21 Jul 2026 15:51:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784649105; bh=T7f1zNhSXd/zl04oMjsaG8tbIrFzJuN1ml9RlfpMfX0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=wdGzpjJNUJZSdSL6M29uo/46lmFzQWjVPJoCpXOk7FEQYWPsz8NoxaR7YndhrGAQM 2QtuxwE7AuWLNdPZomE5C2OSjxcPYBHeAnrWIBcn2XshKQ9lwRfE2WfkPaZ5xKfK/n GMBaLFAI95qCikSLipqNnwvZ8ePnX+pXS25LvDBc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Thomas Gleixner , Sebastian Andrzej Siewior , Marek Szyprowski , Peter Griffin , Sasha Levin Subject: [PATCH 7.1 0450/2077] irqchip/exynos-combiner: Remove useless spinlock Date: Tue, 21 Jul 2026 17:02:03 +0200 Message-ID: <20260721152603.393973262@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152552.646164743@linuxfoundation.org> References: <20260721152552.646164743@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Marek Szyprowski [ Upstream commit 6fe450074626eaab3def4b3e8c1819d46d2d682c ] irq_controller_lock doesn't protect anything, it is a leftover from early development or copy/paste. Remove it completely. Fixes: 96031b31a4b3 ("irqchip/exynos-combiner: Switch to raw_spinlock") Suggested-by: Thomas Gleixner Suggested-by: Sebastian Andrzej Siewior Signed-off-by: Marek Szyprowski Signed-off-by: Thomas Gleixner Reviewed-by: Sebastian Andrzej Siewior Reviewed-by: Peter Griffin Link: https://lore.kernel.org/all/20260521090453.bbUZ00tS@linutronix.de Link: https://patch.msgid.link/20260522061012.2687122-1-m.szyprowski@samsung.com/ Signed-off-by: Sasha Levin --- drivers/irqchip/exynos-combiner.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index 03cafcc5c8355d..d9d408cb4711e8 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -24,8 +24,6 @@ #define IRQ_IN_COMBINER 8 -static DEFINE_RAW_SPINLOCK(irq_controller_lock); - struct combiner_chip_data { unsigned int hwirq_offset; unsigned int irq_mask; @@ -72,9 +70,7 @@ static void combiner_handle_cascade_irq(struct irq_desc *desc) chained_irq_enter(chip, desc); - raw_spin_lock(&irq_controller_lock); status = readl_relaxed(chip_data->base + COMBINER_INT_STATUS); - raw_spin_unlock(&irq_controller_lock); status &= chip_data->irq_mask; if (status == 0) -- 2.53.0