From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932119AbbDVNly (ORCPT ); Wed, 22 Apr 2015 09:41:54 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:58225 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757187AbbDVNlx (ORCPT ); Wed, 22 Apr 2015 09:41:53 -0400 From: Charles Keepax To: lee.jones@linaro.org Cc: sameo@linux.intel.com, patches@opensource.wolfsonmicro.com, linux-kernel@vger.kernel.org Subject: [PATCH RESEND] mfd: arizona: Remove redundant register sync Date: Wed, 22 Apr 2015 14:34:48 +0100 Message-Id: <1429709688-24047-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This soft reset used to be located after the register patch had been applied, but has since moved to before the patch is applied. At the new location there is no requirement to do a register sync as no register writes will have happened yet. Signed-off-by: Charles Keepax --- drivers/mfd/arizona-core.c | 8 -------- 1 files changed, 0 insertions(+), 8 deletions(-) diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 6ca6dfa..aed43a5 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -777,8 +777,6 @@ int arizona_dev_init(struct arizona *arizona) /* If we have a /RESET GPIO we'll already be reset */ if (!arizona->pdata.reset) { - regcache_mark_dirty(arizona->regmap); - ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0); if (ret != 0) { dev_err(dev, "Failed to reset device: %d\n", ret); @@ -786,12 +784,6 @@ int arizona_dev_init(struct arizona *arizona) } msleep(1); - - ret = regcache_sync(arizona->regmap); - if (ret != 0) { - dev_err(dev, "Failed to sync device: %d\n", ret); - goto err_reset; - } } /* Ensure device startup is complete */ -- 1.7.2.5