From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752492AbbBQP6c (ORCPT ); Tue, 17 Feb 2015 10:58:32 -0500 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:46573 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750842AbbBQP6b (ORCPT ); Tue, 17 Feb 2015 10:58:31 -0500 From: Charles Keepax To: lee.jones@linaro.org Cc: sameo@linux.intel.com, patches@opensource.wolfsonmicro.com, linux-kernel@vger.kernel.org Subject: [PATCH] mfd: arizona: Remove redundant register sync Date: Tue, 17 Feb 2015 15:56:14 +0000 Message-Id: <1424188574-22876-1-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 09ba8f1..4d0591c 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -765,8 +765,6 @@ 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); @@ -774,12 +772,6 @@ 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