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 1DC53EB64DD for ; Sun, 16 Jul 2023 20:05:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231236AbjGPUFI (ORCPT ); Sun, 16 Jul 2023 16:05:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231230AbjGPUFH (ORCPT ); Sun, 16 Jul 2023 16:05:07 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E5C71B9 for ; Sun, 16 Jul 2023 13:05:06 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9B8D160EBD for ; Sun, 16 Jul 2023 20:05:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A9B6EC433C9; Sun, 16 Jul 2023 20:05:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689537905; bh=WeDdmF1jhn9s0NSur76mXO6jxWqYLBUPJNatxsTRSEU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HQaD0RGeVOLtPoAgDzTg8E7gaphQLX+ExEYdCRVibReYnPkC9uYxGjSMGBOUqH8ss xOIw84Yyh1ssJkItxeoGk5PneBgaYTOb1FaD8KMqRX7pzHypFFXejKHNECHvb6Fx5t J/YGy6td6gVkHa3rXAM9vdhj3wbce4eZl8gCHU74= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dan Carpenter , Tony Lindgren , Sasha Levin Subject: [PATCH 6.4 262/800] bus: ti-sysc: Fix dispc quirk masking bool variables Date: Sun, 16 Jul 2023 21:41:55 +0200 Message-ID: <20230716194955.182387583@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230716194949.099592437@linuxfoundation.org> References: <20230716194949.099592437@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tony Lindgren [ Upstream commit f620596fa347170852da499e778a5736d79a4b79 ] Fix warning drivers/bus/ti-sysc.c:1806 sysc_quirk_dispc() warn: masking a bool. While at it let's add a comment for what were doing to make the code a bit easier to follow. Fixes: 7324a7a0d5e2 ("bus: ti-sysc: Implement display subsystem reset quirk") Reported-by: Dan Carpenter Closes: https://lore.kernel.org/linux-omap/a8ec8a68-9c2c-4076-bf47-09fccce7659f@kili.mountain/ Signed-off-by: Tony Lindgren Signed-off-by: Sasha Levin --- drivers/bus/ti-sysc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 6c49de37d5e90..21fe9854703f9 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1791,7 +1791,7 @@ static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset, if (!ddata->module_va) return -EIO; - /* DISP_CONTROL */ + /* DISP_CONTROL, shut down lcd and digit on disable if enabled */ val = sysc_read(ddata, dispc_offset + 0x40); lcd_en = val & lcd_en_mask; digit_en = val & digit_en_mask; @@ -1803,7 +1803,7 @@ static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset, else irq_mask |= BIT(2) | BIT(3); /* EVSYNC bits */ } - if (disable & (lcd_en | digit_en)) + if (disable && (lcd_en || digit_en)) sysc_write(ddata, dispc_offset + 0x40, val & ~(lcd_en_mask | digit_en_mask)); -- 2.39.2