From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756600Ab1JNUGq (ORCPT ); Fri, 14 Oct 2011 16:06:46 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:54712 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933033Ab1JNUGg (ORCPT ); Fri, 14 Oct 2011 16:06:36 -0400 From: Mark Brown To: Samuel Ortiz Cc: linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com, Mark Brown Subject: [PATCH] mfd: Enable rbtree cache for wm831x devices Date: Fri, 14 Oct 2011 21:06:26 +0100 Message-Id: <1318622786-20189-1-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.6.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Most useful with the regulators where we're doing a lot of read/modify/write updates in potentially performance critical paths. Providing some defaults would make this slightly better but this is a win right now. Signed-off-by: Mark Brown --- Samuel, this depends on the regmap code in -next so I'd like to merge it via regmap if that's OK with you? drivers/mfd/wm831x-core.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c index e758c89..0a2b8d4 100644 --- a/drivers/mfd/wm831x-core.c +++ b/drivers/mfd/wm831x-core.c @@ -1602,6 +1602,8 @@ struct regmap_config wm831x_regmap_config = { .reg_bits = 16, .val_bits = 16, + .cache_type = REGCACHE_RBTREE, + .max_register = WM831X_DBE_CHECK_DATA, .readable_reg = wm831x_reg_readable, .writeable_reg = wm831x_reg_writeable, -- 1.7.6.3