From mboxrd@z Thu Jan 1 00:00:00 1970 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 C82D8ECAAD3 for ; Mon, 19 Sep 2022 13:26:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230496AbiISN0Q (ORCPT ); Mon, 19 Sep 2022 09:26:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230510AbiISN0F (ORCPT ); Mon, 19 Sep 2022 09:26:05 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B58132E6A0; Mon, 19 Sep 2022 06:25:51 -0700 (PDT) Date: Mon, 19 Sep 2022 13:25:47 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1663593949; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TI62/gxswWvoqRf/CjBCtWirkvO0DCMeR9WFLDT87aE=; b=1bfEQk3ey1J+XOJwWrSBx+tJEKZ8BDtXOaRvn6kWDNm87MJi078m3+RTF/ShX8K8m0LmPb YgTf5xxWihhBVN4aCle2cldvA8nlFvHLyq5po4dUZ9QALPqmEHut2WB1Iak/j6bkGbFnG7 7NKOXz0cf8PKr0DsyKS5V1/EnVRjq+w0oTRA40VgSuQnG8Y0nxeBCUjYxwfc/sYGjhBqMy RG4tP4jvUaFY1M1my0JcK/83fEFegEI7QnTIalxIPfcg0lCy3VWyUaZH2E0fyeBBANkcEJ jWTwnvjt9IhBdTfDM6Zvu3Y66fJkfA0LTEVp7dcbUpS+DhGfXHoS0bZOcGfhfQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1663593949; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TI62/gxswWvoqRf/CjBCtWirkvO0DCMeR9WFLDT87aE=; b=4C2RBBIW2is3dr1tpAgf3vekCOxkr7476TvzB/G94otjwQVA09IWenKcL9nQo9/EoA98/u f+PT3V08yzlj3YAw== From: "tip-bot2 for Sebastian Andrzej Siewior" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: irq/core] bcma: gpio: Use generic_handle_irq_safe() Cc: Sebastian Andrzej Siewior , Thomas Gleixner , x86@kernel.org, linux-kernel@vger.kernel.org, maz@kernel.org In-Reply-To: References: MIME-Version: 1.0 Message-ID: <166359394784.401.3409947686571906652.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the irq/core branch of tip: Commit-ID: 94ec234a16cf3acdb319f05917b1efec9642222e Gitweb: https://git.kernel.org/tip/94ec234a16cf3acdb319f05917b1efec9642222e Author: Sebastian Andrzej Siewior AuthorDate: Mon, 19 Sep 2022 14:46:16 +02:00 Committer: Thomas Gleixner CommitterDate: Mon, 19 Sep 2022 15:08:39 +02:00 bcma: gpio: Use generic_handle_irq_safe() On PREEMPT_RT enabled kernels the demultiplex interrupt handler is force threaded and runs with interrupts enabled. The invocation of generic_handle_irq() with interrupts enabled triggers a lockdep warning due to a non-irq safe lock acquisition. Instead of disabling interrupts on the driver level, use generic_handle_domain_irq_safe(). [ tglx: Split out from combo patch ] Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de --- drivers/bcma/driver_gpio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c index fac8ff9..65fb9ba 100644 --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -115,7 +115,7 @@ static irqreturn_t bcma_gpio_irq_handler(int irq, void *dev_id) return IRQ_NONE; for_each_set_bit(gpio, &irqs, gc->ngpio) - generic_handle_irq(irq_find_mapping(gc->irq.domain, gpio)); + generic_handle_domain_irq_safe(gc->irq.domain, gpio); bcma_chipco_gpio_polarity(cc, irqs, val & irqs); return IRQ_HANDLED;