From patchwork Sat Dec 14 22:10:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 1209817 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bootlin.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47b1vp59GTz9sR4 for ; Sun, 15 Dec 2019 09:11:18 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727470AbfLNWLG (ORCPT ); Sat, 14 Dec 2019 17:11:06 -0500 Received: from relay8-d.mail.gandi.net ([217.70.183.201]:33395 "EHLO relay8-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727084AbfLNWK3 (ORCPT ); Sat, 14 Dec 2019 17:10:29 -0500 X-Originating-IP: 90.65.92.102 Received: from localhost (lfbn-lyo-1-1913-102.w90-65.abo.wanadoo.fr [90.65.92.102]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id 99BF11BF204; Sat, 14 Dec 2019 22:10:28 +0000 (UTC) From: Alexandre Belloni To: linux-rtc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 06/16] rtc: rv3029: get rid of rv3029_get_sr Date: Sat, 14 Dec 2019 23:10:12 +0100 Message-Id: <20191214221022.622482-7-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191214221022.622482-1-alexandre.belloni@bootlin.com> References: <20191214221022.622482-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org There is no point in having 2 indirections before calling regmap_read, especially since rv3029_get_sr also changes the return value without any good reason. Call regmap_read directly. Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-rv3029c2.c | 29 ++++++++++------------------- 1 file changed, 10 insertions(+), 19 deletions(-) diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c index 0e0a10cbfd67..f92fbb4db173 100644 --- a/drivers/rtc/rtc-rv3029c2.c +++ b/drivers/rtc/rtc-rv3029c2.c @@ -137,23 +137,13 @@ static int rv3029_write_regs(struct device *dev, u8 reg, u8 const buf[], return regmap_bulk_write(rv3029->regmap, reg, buf, len); } -static int rv3029_get_sr(struct device *dev, u8 *buf) -{ - int ret = rv3029_read_regs(dev, RV3029_STATUS, buf, 1); - - if (ret < 0) - return -EIO; - dev_dbg(dev, "status = 0x%.2x (%d)\n", buf[0], buf[0]); - return 0; -} - -static int rv3029_eeprom_busywait(struct device *dev) +static int rv3029_eeprom_busywait(struct rv3029_data *rv3029) { + unsigned int sr; int i, ret; - u8 sr; for (i = 100; i > 0; i--) { - ret = rv3029_get_sr(dev, &sr); + ret = regmap_read(rv3029->regmap, RV3029_STATUS, &sr); if (ret < 0) break; if (!(sr & RV3029_STATUS_EEBUSY)) @@ -161,7 +151,7 @@ static int rv3029_eeprom_busywait(struct device *dev) usleep_range(1000, 10000); } if (i <= 0) { - dev_err(dev, "EEPROM busy wait timeout.\n"); + dev_err(rv3029->dev, "EEPROM busy wait timeout.\n"); return -ETIMEDOUT; } @@ -181,11 +171,11 @@ static int rv3029_eeprom_exit(struct device *dev) static int rv3029_eeprom_enter(struct device *dev) { struct rv3029_data *rv3029 = dev_get_drvdata(dev); + unsigned int sr; int ret; - u8 sr; /* Check whether we are in the allowed voltage range. */ - ret = rv3029_get_sr(dev, &sr); + ret = regmap_read(rv3029->regmap, RV3029_STATUS, &sr); if (ret < 0) return ret; if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) { @@ -198,7 +188,7 @@ static int rv3029_eeprom_enter(struct device *dev) if (ret < 0) return ret; usleep_range(1000, 10000); - ret = rv3029_get_sr(dev, &sr); + ret = regmap_read(rv3029->regmap, RV3029_STATUS, &sr); if (ret < 0) return ret; if (sr & (RV3029_STATUS_VLOW1 | RV3029_STATUS_VLOW2)) { @@ -215,7 +205,7 @@ static int rv3029_eeprom_enter(struct device *dev) return ret; /* Wait for any previous eeprom accesses to finish. */ - ret = rv3029_eeprom_busywait(dev); + ret = rv3029_eeprom_busywait(rv3029); if (ret < 0) rv3029_eeprom_exit(dev); @@ -243,6 +233,7 @@ static int rv3029_eeprom_read(struct device *dev, u8 reg, static int rv3029_eeprom_write(struct device *dev, u8 reg, u8 const buf[], size_t len) { + struct rv3029_data *rv3029 = dev_get_drvdata(dev); int ret, err; size_t i; u8 tmp; @@ -260,7 +251,7 @@ static int rv3029_eeprom_write(struct device *dev, u8 reg, if (ret < 0) break; } - ret = rv3029_eeprom_busywait(dev); + ret = rv3029_eeprom_busywait(rv3029); if (ret < 0) break; }