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 3139F1773D for ; Wed, 9 Aug 2023 11:18:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A7927C433CC; Wed, 9 Aug 2023 11:18:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691579882; bh=1tTUMOrtH4t8FeyFBPR6ECdpDSgokq1hd0pzlKF9KLA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bd/qEF1KfkvcPaCBMo4D0jj50pBDfAtPoCJ3ijAyIrOe6uc5w4RMNvBKOo0eR1ky6 +BYGbwg7K7z0IHQzi1MEve7pdY0Gbx8faEtx1zBuno9TNo+6Objd2IQD3Zye7U0PjA R6Mlsmw1RjcrZMbwXY5blaz0BTKqfiKIKJ0Eloac= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mario Limonciello , Linus Walleij Subject: [PATCH 4.19 150/323] pinctrl: amd: Fix mistake in handling clearing pins at startup Date: Wed, 9 Aug 2023 12:39:48 +0200 Message-ID: <20230809103705.024293747@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230809103658.104386911@linuxfoundation.org> References: <20230809103658.104386911@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 @@ -794,9 +794,9 @@ 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); }