From patchwork Mon Dec 5 03:07:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ye.xingchen@zte.com.cn X-Patchwork-Id: 631490 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70A66C4321E for ; Mon, 5 Dec 2022 03:08:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231286AbiLEDIQ (ORCPT ); Sun, 4 Dec 2022 22:08:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230439AbiLEDIP (ORCPT ); Sun, 4 Dec 2022 22:08:15 -0500 Received: from mxct.zte.com.cn (mxct.zte.com.cn [183.62.165.209]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90A22DF16; Sun, 4 Dec 2022 19:08:13 -0800 (PST) Received: from mse-fl2.zte.com.cn (unknown [10.5.228.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxct.zte.com.cn (FangMail) with ESMTPS id 4NQT580lyRz4y0vD; Mon, 5 Dec 2022 11:08:12 +0800 (CST) Received: from xaxapp01.zte.com.cn ([10.88.40.50]) by mse-fl2.zte.com.cn with SMTP id 2B537vaY062780; Mon, 5 Dec 2022 11:07:57 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Mon, 5 Dec 2022 11:07:58 +0800 (CST) Date: Mon, 5 Dec 2022 11:07:58 +0800 (CST) X-Zmail-TransId: 2af9638d608e4207d100 X-Mailer: Zmail v1.0 Message-ID: <202212051107581630594@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , , , Subject: =?utf-8?q?=5BPATCH_linux-next=5D_power=3A_supply=3A_use_sysfs=5Femi?= =?utf-8?q?t=28=29_to_instead_of_scnprintf=28=29?= X-MAIL: mse-fl2.zte.com.cn 2B537vaY062780 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.251.13.novalocal with ID 638D609C.000 by FangMail milter! X-FangMail-Envelope: 1670209692/4NQT580lyRz4y0vD/638D609C.000/10.5.228.133/[10.5.228.133]/mse-fl2.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 638D609C.000/4NQT580lyRz4y0vD Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: ye xingchen Follow the advice of the Documentation/filesystems/sysfs.rst and show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by: ye xingchen --- drivers/power/supply/ab8500_fg.c | 18 +++++++++--------- drivers/power/supply/bq24190_charger.c | 2 +- drivers/power/supply/bq24257_charger.c | 8 +++----- drivers/power/supply/lp8788-charger.c | 7 +++---- drivers/power/supply/max14577_charger.c | 2 +- drivers/power/supply/max77693_charger.c | 6 +++--- 6 files changed, 20 insertions(+), 23 deletions(-) diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c index c6c9804280db..d989eadaa933 100644 --- a/drivers/power/supply/ab8500_fg.c +++ b/drivers/power/supply/ab8500_fg.c @@ -2594,7 +2594,7 @@ static ssize_t ab8505_powercut_flagtime_read(struct device *dev, goto fail; } - return scnprintf(buf, PAGE_SIZE, "%d\n", (reg_value & 0x7F)); + return sysfs_emit(buf, "%d\n", (reg_value & 0x7F)); fail: return ret; @@ -2644,7 +2644,7 @@ static ssize_t ab8505_powercut_maxtime_read(struct device *dev, goto fail; } - return scnprintf(buf, PAGE_SIZE, "%d\n", (reg_value & 0x7F)); + return sysfs_emit(buf, "%d\n", (reg_value & 0x7F)); fail: return ret; @@ -2695,7 +2695,7 @@ static ssize_t ab8505_powercut_restart_read(struct device *dev, goto fail; } - return scnprintf(buf, PAGE_SIZE, "%d\n", (reg_value & 0xF)); + return sysfs_emit(buf, "%d\n", (reg_value & 0xF)); fail: return ret; @@ -2746,7 +2746,7 @@ static ssize_t ab8505_powercut_timer_read(struct device *dev, goto fail; } - return scnprintf(buf, PAGE_SIZE, "%d\n", (reg_value & 0x7F)); + return sysfs_emit(buf, "%d\n", (reg_value & 0x7F)); fail: return ret; @@ -2769,7 +2769,7 @@ static ssize_t ab8505_powercut_restart_counter_read(struct device *dev, goto fail; } - return scnprintf(buf, PAGE_SIZE, "%d\n", (reg_value & 0xF0) >> 4); + return sysfs_emit(buf, "%d\n", (reg_value & 0xF0) >> 4); fail: return ret; @@ -2790,7 +2790,7 @@ static ssize_t ab8505_powercut_read(struct device *dev, if (ret < 0) goto fail; - return scnprintf(buf, PAGE_SIZE, "%d\n", (reg_value & 0x1)); + return sysfs_emit(buf, "%d\n", (reg_value & 0x1)); fail: return ret; @@ -2841,7 +2841,7 @@ static ssize_t ab8505_powercut_flag_read(struct device *dev, goto fail; } - return scnprintf(buf, PAGE_SIZE, "%d\n", ((reg_value & 0x10) >> 4)); + return sysfs_emit(buf, "%d\n", ((reg_value & 0x10) >> 4)); fail: return ret; @@ -2864,7 +2864,7 @@ static ssize_t ab8505_powercut_debounce_read(struct device *dev, goto fail; } - return scnprintf(buf, PAGE_SIZE, "%d\n", (reg_value & 0x7)); + return sysfs_emit(buf, "%d\n", (reg_value & 0x7)); fail: return ret; @@ -2914,7 +2914,7 @@ static ssize_t ab8505_powercut_enable_status_read(struct device *dev, goto fail; } - return scnprintf(buf, PAGE_SIZE, "%d\n", ((reg_value & 0x20) >> 5)); + return sysfs_emit(buf, "%d\n", ((reg_value & 0x20) >> 5)); fail: return ret; diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index 2b2c3a4391c1..be34b9848450 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -463,7 +463,7 @@ static ssize_t bq24190_sysfs_show(struct device *dev, if (ret) count = ret; else - count = scnprintf(buf, PAGE_SIZE, "%hhx\n", v); + count = sysfs_emit(buf, "%hhx\n", v); pm_runtime_mark_last_busy(bdi->dev); pm_runtime_put_autosuspend(bdi->dev); diff --git a/drivers/power/supply/bq24257_charger.c b/drivers/power/supply/bq24257_charger.c index ab4c49788c58..103ddc2b3def 100644 --- a/drivers/power/supply/bq24257_charger.c +++ b/drivers/power/supply/bq24257_charger.c @@ -767,8 +767,7 @@ static ssize_t bq24257_show_ovp_voltage(struct device *dev, struct power_supply *psy = dev_get_drvdata(dev); struct bq24257_device *bq = power_supply_get_drvdata(psy); - return scnprintf(buf, PAGE_SIZE, "%u\n", - bq24257_vovp_map[bq->init_data.vovp]); + return sysfs_emit(buf, "%u\n", bq24257_vovp_map[bq->init_data.vovp]); } static ssize_t bq24257_show_in_dpm_voltage(struct device *dev, @@ -778,8 +777,7 @@ static ssize_t bq24257_show_in_dpm_voltage(struct device *dev, struct power_supply *psy = dev_get_drvdata(dev); struct bq24257_device *bq = power_supply_get_drvdata(psy); - return scnprintf(buf, PAGE_SIZE, "%u\n", - bq24257_vindpm_map[bq->init_data.vindpm]); + return sysfs_emit(buf, "%u\n", bq24257_vindpm_map[bq->init_data.vindpm]); } static ssize_t bq24257_sysfs_show_enable(struct device *dev, @@ -800,7 +798,7 @@ static ssize_t bq24257_sysfs_show_enable(struct device *dev, if (ret < 0) return ret; - return scnprintf(buf, PAGE_SIZE, "%d\n", ret); + return sysfs_emit(buf, "%d\n", ret); } static ssize_t bq24257_sysfs_set_enable(struct device *dev, diff --git a/drivers/power/supply/lp8788-charger.c b/drivers/power/supply/lp8788-charger.c index f5f47a0aa1e3..755b6a4379b8 100644 --- a/drivers/power/supply/lp8788-charger.c +++ b/drivers/power/supply/lp8788-charger.c @@ -602,7 +602,7 @@ static ssize_t lp8788_show_charger_status(struct device *dev, lp8788_read_byte(pchg->lp, LP8788_CHG_STATUS, &data); state = (data & LP8788_CHG_STATE_M) >> LP8788_CHG_STATE_S; - return scnprintf(buf, PAGE_SIZE, "%s\n", desc[state]); + return sysfs_emit(buf, "%s\n", desc[state]); } static ssize_t lp8788_show_eoc_time(struct device *dev, @@ -618,8 +618,7 @@ static ssize_t lp8788_show_eoc_time(struct device *dev, lp8788_read_byte(pchg->lp, LP8788_CHG_EOC, &val); val = (val & LP8788_CHG_EOC_TIME_M) >> LP8788_CHG_EOC_TIME_S; - return scnprintf(buf, PAGE_SIZE, "End Of Charge Time: %s\n", - stime[val]); + return sysfs_emit(buf, "End Of Charge Time: %s\n", stime[val]); } static ssize_t lp8788_show_eoc_level(struct device *dev, @@ -642,7 +641,7 @@ static ssize_t lp8788_show_eoc_level(struct device *dev, val = (val & LP8788_CHG_EOC_LEVEL_M) >> LP8788_CHG_EOC_LEVEL_S; level = mode ? abs_level[val] : relative_level[val]; - return scnprintf(buf, PAGE_SIZE, "End Of Charge Level: %s\n", level); + return sysfs_emit(buf, "End Of Charge Level: %s\n", level); } static DEVICE_ATTR(charger_status, S_IRUSR, lp8788_show_charger_status, NULL); diff --git a/drivers/power/supply/max14577_charger.c b/drivers/power/supply/max14577_charger.c index f244cd902eb9..96f9de775043 100644 --- a/drivers/power/supply/max14577_charger.c +++ b/drivers/power/supply/max14577_charger.c @@ -532,7 +532,7 @@ static ssize_t show_fast_charge_timer(struct device *dev, break; } - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t store_fast_charge_timer(struct device *dev, diff --git a/drivers/power/supply/max77693_charger.c b/drivers/power/supply/max77693_charger.c index a2c5c9858639..794c8c054450 100644 --- a/drivers/power/supply/max77693_charger.c +++ b/drivers/power/supply/max77693_charger.c @@ -296,7 +296,7 @@ static ssize_t fast_charge_timer_show(struct device *dev, break; } - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static int max77693_set_fast_charge_timer(struct max77693_charger *chg, @@ -357,7 +357,7 @@ static ssize_t top_off_threshold_current_show(struct device *dev, else val = data * 50000; - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static int max77693_set_top_off_threshold_current(struct max77693_charger *chg, @@ -405,7 +405,7 @@ static ssize_t top_off_timer_show(struct device *dev, val = data * 10; - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static int max77693_set_top_off_timer(struct max77693_charger *chg,