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Miller" , =?utf-8?b?SsOpcsO0bWUgUG91?= =?utf-8?q?iller?= Subject: [PATCH 63/65] staging: wfx: simplify wfx_tx_queue_get_num_queued() Thread-Topic: [PATCH 63/65] staging: wfx: simplify wfx_tx_queue_get_num_queued() Thread-Index: AQHVy500cBdLiMxjj0yOc+OxlTaMWQ== Date: Wed, 15 Jan 2020 12:13:33 +0000 Message-ID: <20200115121041.10863-64-Jerome.Pouiller@silabs.com> References: <20200115121041.10863-1-Jerome.Pouiller@silabs.com> In-Reply-To: <20200115121041.10863-1-Jerome.Pouiller@silabs.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: PR2PR09CA0009.eurprd09.prod.outlook.com (2603:10a6:101:16::21) To MN2PR11MB4063.namprd11.prod.outlook.com (2603:10b6:208:13f::22) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Jerome.Pouiller@silabs.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.25.0 x-originating-ip: [37.71.187.125] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: bd7060b7-2ef7-40db-cefb-08d799b4574a x-ms-traffictypediagnostic: MN2PR11MB3934: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1417; x-forefront-prvs: 02830F0362 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(39850400004)(396003)(136003)(376002)(366004)(346002)(199004)(189003)(54906003)(110136005)(86362001)(956004)(107886003)(2616005)(316002)(36756003)(71200400001)(52116002)(7696005)(478600001)(8936002)(81156014)(8676002)(4326008)(81166006)(6486002)(2906002)(26005)(66946007)(16526019)(186003)(5660300002)(66574012)(1076003)(66556008)(64756008)(66446008)(85182001)(66476007)(85202003); DIR:OUT; SFP:1101; SCL:1; SRVR:MN2PR11MB3934; H:MN2PR11MB4063.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: silabs.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: H5Vac0nH6cbXeksLaV+Bn2jae/g+nU8b9jrVNjNRfQNnfehvvNeP1fFfF90+pjegiuH1o9EUgxaT6U4E2CeJUExYHuONVuT9cbLmmoQufPdDrq+aZITEX7BVVHyaWP/uWGiNf2L5YCSRvhJbaNI9D/9oYOtG6EbZj3NfgeupX0ThcwiqDXURJu1TjTqgnQjHLp3Wr6RJFpx6F1Vw0Sa51IGGQTX+7KztEaDJKaIbmmm+ZjGNldSLwHXU4Dx8WoyeWykbWkWAI0QHBmbhVaqSBEJJDUNtUxOIJrOQ9hN9RU+3wjeG/E8d1Nmo2OdatdpDA5ll7jJoEj41eT3G4ccaz30TFiU9bstDMbUN+/+PYKXy1jbPNuTnwa8TvRBHVVa5WgFhjV6vhbZKg7ToNhp7UUShbz9SYi+UuJubwGXJpKRddZYEkmXR8l1QN6wKLVQS Content-ID: <97CF986C7242434BA321724AE2F96DFA@namprd11.prod.outlook.com> MIME-Version: 1.0 X-OriginatorOrg: silabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: bd7060b7-2ef7-40db-cefb-08d799b4574a X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Jan 2020 12:13:33.5806 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 54dbd822-5231-4b20-944d-6f4abcd541fb X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 43jk542TTATfS4nuBvrD2lBhNm6HzBBpJYrrEY6+XJiRarXMPBPS8r+ix5A7y6j8OxO9IhS76MPEp8G/IIOQhA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB3934 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Jérôme Pouiller wfx_tx_queue_get_num_queued() can take advantage of BIT() instead of maintaining one variable for a counter and another for a mask. In add, wfx_tx_queue_get_num_queued() has no real reason to return a size_t instead of an int. Signed-off-by: Jérôme Pouiller --- drivers/staging/wfx/queue.c | 14 +++++--------- drivers/staging/wfx/queue.h | 2 +- 2 files changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/staging/wfx/queue.c b/drivers/staging/wfx/queue.c index 024497eb19ac..0bcc61feee1d 100644 --- a/drivers/staging/wfx/queue.c +++ b/drivers/staging/wfx/queue.c @@ -175,11 +175,9 @@ void wfx_tx_queues_deinit(struct wfx_dev *wdev) wfx_tx_queues_clear(wdev); } -size_t wfx_tx_queue_get_num_queued(struct wfx_queue *queue, - u32 link_id_map) +int wfx_tx_queue_get_num_queued(struct wfx_queue *queue, u32 link_id_map) { - size_t ret; - int i, bit; + int ret, i; if (!link_id_map) return 0; @@ -189,11 +187,9 @@ size_t wfx_tx_queue_get_num_queued(struct wfx_queue *queue, ret = skb_queue_len(&queue->queue); } else { ret = 0; - for (i = 0, bit = 1; i < ARRAY_SIZE(queue->link_map_cache); - ++i, bit <<= 1) { - if (link_id_map & bit) + for (i = 0; i < ARRAY_SIZE(queue->link_map_cache); i++) + if (link_id_map & BIT(i)) ret += queue->link_map_cache[i]; - } } spin_unlock_bh(&queue->queue.lock); return ret; @@ -555,7 +551,7 @@ struct hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev) /* allow bursting if txop is set */ if (wvif->edca_params[queue_num].txop) - burst = (int)wfx_tx_queue_get_num_queued(queue, tx_allowed_mask) + 1; + burst = wfx_tx_queue_get_num_queued(queue, tx_allowed_mask) + 1; else burst = 1; diff --git a/drivers/staging/wfx/queue.h b/drivers/staging/wfx/queue.h index 096ae86135cc..90bb060d1204 100644 --- a/drivers/staging/wfx/queue.h +++ b/drivers/staging/wfx/queue.h @@ -51,7 +51,7 @@ struct hif_msg *wfx_tx_queues_get_after_dtim(struct wfx_vif *wvif); void wfx_tx_queue_put(struct wfx_dev *wdev, struct wfx_queue *queue, struct sk_buff *skb); -size_t wfx_tx_queue_get_num_queued(struct wfx_queue *queue, u32 link_id_map); +int wfx_tx_queue_get_num_queued(struct wfx_queue *queue, u32 link_id_map); struct sk_buff *wfx_pending_get(struct wfx_dev *wdev, u32 packet_id); int wfx_pending_remove(struct wfx_dev *wdev, struct sk_buff *skb);