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Mon, 6 Nov 2023 22:24:42 +0000 From: Yuran Pereira To: linux-bluetooth@vger.kernel.org Cc: Yuran Pereira , marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org Subject: [PATCH 1/2] Bluetooth: Add documentation to exported functions in lib Date: Tue, 7 Nov 2023 03:54:18 +0530 Message-ID: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: X-TMN: [vl4rtQFcbu+BM5+HB6vnCTEnW7K61V+9] X-ClientProxiedBy: JNXP275CA0008.ZAFP275.PROD.OUTLOOK.COM (2603:1086:0:19::20) To DB3PR10MB6835.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:10:42a::7) X-Microsoft-Original-Message-ID: <20231106222419.1793747-1-yuran.pereira@hotmail.com> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB3PR10MB6835:EE_|AS1PR10MB5144:EE_ X-MS-Office365-Filtering-Correlation-Id: 1a17e3a7-6ad9-40ce-fa7b-08dbdf172c07 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: sct-15-20-4755-11-msonline-outlook-6b909.templateTenant X-MS-Exchange-CrossTenant-Network-Message-Id: 1a17e3a7-6ad9-40ce-fa7b-08dbdf172c07 X-MS-Exchange-CrossTenant-AuthSource: DB3PR10MB6835.EURPRD10.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Nov 2023 22:24:42.2417 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS1PR10MB5144 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Most functions in `net/bluetooth/lib.c` lack propper documentation. This patch adds documentation to all exported functions in `net/bluetooth/lib.c`. Unnecessary or redundant comments are also removed to ensure the file looks clean. Signed-off-by: Yuran Pereira --- net/bluetooth/lib.c | 69 +++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 66 insertions(+), 3 deletions(-) diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c index 53a796ac078c..063032fe9c68 100644 --- a/net/bluetooth/lib.c +++ b/net/bluetooth/lib.c @@ -30,6 +30,15 @@ #include +/** + * baswap() - Swaps the order of a bd address + * @dst: Pointer to a bdaddr_t struct that will store the swapped + * bd address. + * @src: Pointer to the bdaddr_t struct to be swapped. + * + * This function reverses the byte order of a Bluetooth device + * address. + */ void baswap(bdaddr_t *dst, const bdaddr_t *src) { const unsigned char *s = (const unsigned char *)src; @@ -41,7 +50,19 @@ void baswap(bdaddr_t *dst, const bdaddr_t *src) } EXPORT_SYMBOL(baswap); -/* Bluetooth error codes to Unix errno mapping */ +/** + * bt_to_errno() - Bluetooth error codes to standard errno + * @code: Bluetooth error code to be converted + * + * This function takes a Bluetooth error code as input and convets + * it to an equivalent Unix/standard errno value. + * + * Return: + * + * If the bt error code is known, an equivalent Unix errno value + * is returned. + * If the given bt error code is not known, ENOSYS is returned. + */ int bt_to_errno(__u16 code) { switch (code) { @@ -135,10 +156,22 @@ int bt_to_errno(__u16 code) } EXPORT_SYMBOL(bt_to_errno); -/* Unix errno to Bluetooth error codes mapping */ +/** + * bt_status() - Standard errno value to Bluetooth error code + * @err: Unix/standard errno value to be converted + * + * This function converts a standard/Unix errno value to an + * equivalent Bluetooth error code. + * + * Return: Bluetooth error code. + * + * If the given errno is not found, 0x1f is returned by default + * which indicates an unspecified error. + * For err >= 0, no conversion is performed, and the same value + * is immediately returned. + */ __u8 bt_status(int err) { - /* Don't convert if already positive value */ if (err >= 0) return err; @@ -206,6 +239,10 @@ __u8 bt_status(int err) } EXPORT_SYMBOL(bt_status); +/** + * bt_info() - Log Bluetooth information message + * @format: Message's format string + */ void bt_info(const char *format, ...) { struct va_format vaf; @@ -222,6 +259,10 @@ void bt_info(const char *format, ...) } EXPORT_SYMBOL(bt_info); +/** + * bt_warn() - Log Bluetooth warning message + * @format: Message's format string + */ void bt_warn(const char *format, ...) { struct va_format vaf; @@ -238,6 +279,10 @@ void bt_warn(const char *format, ...) } EXPORT_SYMBOL(bt_warn); +/** + * bt_err() - Log Bluetooth error message + * @format: Message's format string + */ void bt_err(const char *format, ...) { struct va_format vaf; @@ -267,6 +312,10 @@ bool bt_dbg_get(void) return debug_enable; } +/** + * bt_dbg() - Log Bluetooth debugging message + * @format: Message's format string + */ void bt_dbg(const char *format, ...) { struct va_format vaf; @@ -287,6 +336,13 @@ void bt_dbg(const char *format, ...) EXPORT_SYMBOL(bt_dbg); #endif +/** + * bt_warn_ratelimited() - Log rate-limited Bluetooth warning message + * @format: Message's format string + * + * This functions works like bt_warn, but it uses rate limiting + * to prevent the message from being logged too often. + */ void bt_warn_ratelimited(const char *format, ...) { struct va_format vaf; @@ -303,6 +359,13 @@ void bt_warn_ratelimited(const char *format, ...) } EXPORT_SYMBOL(bt_warn_ratelimited); +/** + * bt_err_ratelimited() - Log rate-limited Bluetooth error message + * @format: Message's format string + * + * This functions works like bt_err, but it uses rate limiting + * to prevent the message from being logged too often. + */ void bt_err_ratelimited(const char *format, ...) { struct va_format vaf; From patchwork Mon Nov 6 22:26:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuran Pereira X-Patchwork-Id: 13447551 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 D7C15C4332F for ; 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Mon, 6 Nov 2023 22:26:28 +0000 Received: from DB3PR10MB6835.EURPRD10.PROD.OUTLOOK.COM ([fe80::e2b0:8d7e:e293:bd97]) by DB3PR10MB6835.EURPRD10.PROD.OUTLOOK.COM ([fe80::e2b0:8d7e:e293:bd97%7]) with mapi id 15.20.6954.028; Mon, 6 Nov 2023 22:26:28 +0000 From: Yuran Pereira To: linux-bluetooth@vger.kernel.org Cc: Yuran Pereira , marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org Subject: [PATCH 2/2] Bluetooth: Replaces printk with pr_debug in bt_dbg Date: Tue, 7 Nov 2023 03:56:08 +0530 Message-ID: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: X-TMN: [M9Vs5nU69k1Ps+TS4XSpHpLyAzz7pMwF] X-ClientProxiedBy: JN2P275CA0014.ZAFP275.PROD.OUTLOOK.COM (2603:1086:0:3::26) To DB3PR10MB6835.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:10:42a::7) X-Microsoft-Original-Message-ID: <20231106222608.1793859-1-yuran.pereira@hotmail.com> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB3PR10MB6835:EE_|AS1PR10MB5144:EE_ X-MS-Office365-Filtering-Correlation-Id: 22c9dc27-e238-465e-cfd1-08dbdf176b12 X-Microsoft-Antispam: BCL:0; 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This patch changes that by replacing `printk(KERN_DEBUG` with the equivalent pr_debug() call which makes the overall file look more uniform and cleaner. Signed-off-by: Yuran Pereira --- net/bluetooth/lib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c index 063032fe9c68..96ba39f8b461 100644 --- a/net/bluetooth/lib.c +++ b/net/bluetooth/lib.c @@ -329,7 +329,7 @@ void bt_dbg(const char *format, ...) vaf.fmt = format; vaf.va = &args; - printk(KERN_DEBUG pr_fmt("%pV"), &vaf); + pr_debug("%pV", &vaf); va_end(args); }