From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 80E501FB40 for ; Fri, 21 Jul 2023 16:14:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EBDC0C433CB; Fri, 21 Jul 2023 16:14:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689956050; bh=5TfMpsNO7wFX4j5DzdZIqwozieroYAMDbWSNwTlM0y0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gL7z4ZIa/PR/HS23mB+0wa+gFYrWoOF5cL024/DK0cph9bYIxcCVXBCztZvrhzw/Z D+vAOTHltwoalUvCXnXnjPuLvs7IcTXsT9GApc62D0ww1CYA8nPhW/je3taB3a6YJ4 S+RXFugXlyQF7oGU/U7T+Hc3lNnrr0gn1mKSLddE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mario Limonciello , Linus Walleij Subject: [PATCH 6.4 116/292] pinctrl: amd: Fix mistake in handling clearing pins at startup Date: Fri, 21 Jul 2023 18:03:45 +0200 Message-ID: <20230721160533.812395829@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230721160528.800311148@linuxfoundation.org> References: <20230721160528.800311148@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Mario Limonciello commit a855724dc08b8cb0c13ab1e065a4922f1e5a7552 upstream. commit 4e5a04be88fe ("pinctrl: amd: disable and mask interrupts on probe") had a mistake in loop iteration 63 that it would clear offset 0xFC instead of 0x100. Offset 0xFC is actually `WAKE_INT_MASTER_REG`. This was clearing bits 13 and 15 from the register which significantly changed the expected handling for some platforms for GPIO0. Cc: stable@vger.kernel.org Link: https://bugzilla.kernel.org/show_bug.cgi?id=217315 Signed-off-by: Mario Limonciello Link: https://lore.kernel.org/r/20230421120625.3366-3-mario.limonciello@amd.com Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/pinctrl/pinctrl-amd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -897,9 +897,9 @@ static void amd_gpio_irq_init(struct amd raw_spin_lock_irqsave(&gpio_dev->lock, flags); - pin_reg = readl(gpio_dev->base + i * 4); + pin_reg = readl(gpio_dev->base + pin * 4); pin_reg &= ~mask; - writel(pin_reg, gpio_dev->base + i * 4); + writel(pin_reg, gpio_dev->base + pin * 4); raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); }