From patchwork Wed May 18 13:46:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 9119181 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 065769F1D3 for ; Wed, 18 May 2016 13:49:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4154D20218 for ; Wed, 18 May 2016 13:49:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1774320138 for ; Wed, 18 May 2016 13:49:27 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b31pW-0004Pl-KK; Wed, 18 May 2016 13:48:06 +0000 Received: from bear.ext.ti.com ([198.47.19.11]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b31oz-0003ri-EG for linux-arm-kernel@lists.infradead.org; Wed, 18 May 2016 13:47:35 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id u4IDl3cP011066; Wed, 18 May 2016 08:47:03 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id u4IDl2Xk020647; Wed, 18 May 2016 08:47:03 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.294.0; Wed, 18 May 2016 08:47:02 -0500 Received: from dflp32.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id u4IDkc4q002943; Wed, 18 May 2016 08:46:58 -0500 From: Peter Ujfalusi To: , , , , , , Subject: [PATCH 04/14] mfd: twl6040: The chip does not support bulk access Date: Wed, 18 May 2016 16:46:26 +0300 Message-ID: <1463579196-5484-5-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.8.2 In-Reply-To: <1463579196-5484-1-git-send-email-peter.ujfalusi@ti.com> References: <1463579196-5484-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160518_064733_841430_33C48ED2 X-CRM114-Status: UNSURE ( 9.70 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -3.3 (---) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, t-kristo@ti.com, linux-omap@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Bulk access is not working with twl6040, we need to use single register access. Bulk access would happen when we try to sync the regcache after power on. Signed-off-by: Peter Ujfalusi --- drivers/mfd/twl6040.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c index f3dcf3a85e84..2596546553aa 100644 --- a/drivers/mfd/twl6040.c +++ b/drivers/mfd/twl6040.c @@ -608,6 +608,7 @@ static const struct regmap_config twl6040_regmap_config = { .writeable_reg = twl6040_writeable_reg, .cache_type = REGCACHE_RBTREE, + .use_single_rw = true, }; static const struct regmap_irq twl6040_irqs[] = {