From patchwork Mon Dec 2 21:15:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Davis X-Patchwork-Id: 13891312 Received: from fllvem-ot04.ext.ti.com (fllvem-ot04.ext.ti.com [198.47.19.246]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D1C521DEFE5; Mon, 2 Dec 2024 21:15:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.246 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733174126; cv=none; b=LmQ+9rFKgEyhQIyuE3sIvet7cgj5FcLT8Fhb0BVHjFSU44j7IUCLrPQNmXJZvYFjJDntKR73J1ft7GM4VIGIfiMZP+P6TKjuvic1LkXaguQxo7qZHzUurZo2873r4CBfr1IIinmXCwFax566+0a0N6bJ/QKomK6BHmPA79TnvQ0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733174126; c=relaxed/simple; bh=mNc45UUIBnY2zqKfppObvs8Xa0q0wW+mBTnTcKU/KiY=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=rz+tyCRq1AQrm6bFaYqfDlGNCo2g8blxuH3YbFZUSTfmE47wt1Clh9LPUcJcFz80Bys4MLxG+v9/d5jDcA77mnjc2DlpdvIDuzWaKQZuzhetu+WydS1oeGUh0bFcy2gmfe2SQEGcqI5nINIX4czc2hxMrEv7y5uO/cBZVp4Mb94= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=Th3oikmN; arc=none smtp.client-ip=198.47.19.246 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Th3oikmN" Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllvem-ot04.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 4B2LFLMh1522480 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 2 Dec 2024 15:15:21 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1733174121; bh=dIGwGEg/qk6oFqWm5tCTp6Dcc9dKtv2cgkQO45hArK8=; h=From:To:CC:Subject:Date; b=Th3oikmN59pAx8RrzrJIJSSZ5bx5y+0p9rxcGzftwTOm6UvxVJF67hgkF8wwpvD9P 61Mn9NIYwpXi3q5umw9Vzi3olvZ7v7Yn8olWbl2l7Af4fDRZWOHvIdI1+OrATHxB4E Tx87AstmXhYl2uaPByDFZXeRpWyC0bitAMr1TQ+8= Received: from DFLE108.ent.ti.com (dfle108.ent.ti.com [10.64.6.29]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 4B2LFKMK017202 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 2 Dec 2024 15:15:20 -0600 Received: from DFLE107.ent.ti.com (10.64.6.28) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 2 Dec 2024 15:15:20 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE107.ent.ti.com (10.64.6.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 2 Dec 2024 15:15:20 -0600 Received: from fllvsmtp7.itg.ti.com ([10.249.42.149]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 4B2LFKgo099805; Mon, 2 Dec 2024 15:15:20 -0600 From: Andrew Davis To: Sebastian Reichel CC: , , Andrew Davis Subject: [PATCH 1/5] power: supply: ds2782: Switch to simpler IDA interface Date: Mon, 2 Dec 2024 15:15:15 -0600 Message-ID: <20241202211519.199635-1-afd@ti.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea We don't need to specify any ranges when allocating IDs so we can switch to ida_alloc() and ida_free() instead of idr_*. Signed-off-by: Andrew Davis --- drivers/power/supply/ds2782_battery.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) diff --git a/drivers/power/supply/ds2782_battery.c b/drivers/power/supply/ds2782_battery.c index 85aa9c465aa4e..10428d781c18b 100644 --- a/drivers/power/supply/ds2782_battery.c +++ b/drivers/power/supply/ds2782_battery.c @@ -63,8 +63,7 @@ struct ds278x_info { int status; /* State Of Charge */ }; -static DEFINE_IDR(battery_id); -static DEFINE_MUTEX(battery_lock); +static DEFINE_IDA(battery_id); static inline int ds278x_read_reg(struct ds278x_info *info, int reg, u8 *val) { @@ -322,9 +321,7 @@ static void ds278x_battery_remove(struct i2c_client *client) kfree(info->battery_desc.name); kfree(info); - mutex_lock(&battery_lock); - idr_remove(&battery_id, id); - mutex_unlock(&battery_lock); + ida_free(&battery_id, id); } #ifdef CONFIG_PM_SLEEP @@ -387,12 +384,9 @@ static int ds278x_battery_probe(struct i2c_client *client) } /* Get an ID for this battery */ - mutex_lock(&battery_lock); - ret = idr_alloc(&battery_id, client, 0, 0, GFP_KERNEL); - mutex_unlock(&battery_lock); - if (ret < 0) - goto fail_id; - num = ret; + num = ida_alloc(&battery_id, GFP_KERNEL); + if (num < 0) + return num; info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) { @@ -439,10 +433,7 @@ static int ds278x_battery_probe(struct i2c_client *client) fail_name: kfree(info); fail_info: - mutex_lock(&battery_lock); - idr_remove(&battery_id, num); - mutex_unlock(&battery_lock); -fail_id: + ida_free(&battery_id, num); return ret; }