From patchwork Sat Jun 19 09:56:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "huangguangbin \(A\)" X-Patchwork-Id: 464236 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D3AFC49EA6 for ; Sat, 19 Jun 2021 10:00:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 06A3C613E9 for ; Sat, 19 Jun 2021 10:00:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233685AbhFSKCK (ORCPT ); Sat, 19 Jun 2021 06:02:10 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:5050 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231313AbhFSKB5 (ORCPT ); Sat, 19 Jun 2021 06:01:57 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4G6WNb4B2TzXh5g; Sat, 19 Jun 2021 17:54:39 +0800 (CST) Received: from dggemi759-chm.china.huawei.com (10.1.198.145) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Sat, 19 Jun 2021 17:59:44 +0800 Received: from localhost.localdomain (10.67.165.24) by dggemi759-chm.china.huawei.com (10.1.198.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sat, 19 Jun 2021 17:59:43 +0800 From: Guangbin Huang To: , , , CC: , , , , Subject: [PATCH net-next 2/8] net: at91_can: add blank line after declarations Date: Sat, 19 Jun 2021 17:56:23 +0800 Message-ID: <1624096589-13452-3-git-send-email-huangguangbin2@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1624096589-13452-1-git-send-email-huangguangbin2@huawei.com> References: <1624096589-13452-1-git-send-email-huangguangbin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggemi759-chm.china.huawei.com (10.1.198.145) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Peng Li This patch fixes the checkpatch error about missing a blank line after declarations. Signed-off-by: Peng Li Signed-off-by: Guangbin Huang --- drivers/net/can/at91_can.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index a2da76796b57..058c18fac167 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -515,6 +515,7 @@ static netdev_tx_t at91_start_xmit(struct sk_buff *skb, struct net_device *dev) static inline void at91_activate_rx_low(const struct at91_priv *priv) { u32 mask = get_mb_rx_low_mask(priv); + at91_write(priv, AT91_TCR, mask); } @@ -529,6 +530,7 @@ static inline void at91_activate_rx_mb(const struct at91_priv *priv, unsigned int mb) { u32 mask = 1 << mb; + at91_write(priv, AT91_TCR, mask); } @@ -807,6 +809,7 @@ static int at91_poll(struct napi_struct *napi, int quota) if (work_done < quota) { /* enable IRQs for frame errors and all mailboxes >= rx_next */ u32 reg_ier = AT91_IRQ_ERR_FRAME; + reg_ier |= get_irq_mb_rx(priv) & ~AT91_MB_MASK(priv->rx_next); napi_complete_done(napi, work_done); From patchwork Sat Jun 19 09:56:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "huangguangbin \(A\)" X-Patchwork-Id: 464237 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7EE5C49361 for ; Sat, 19 Jun 2021 10:00:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9DEAD611CE for ; Sat, 19 Jun 2021 10:00:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233533AbhFSKCG (ORCPT ); Sat, 19 Jun 2021 06:02:06 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:8283 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231331AbhFSKB5 (ORCPT ); Sat, 19 Jun 2021 06:01:57 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4G6WNb4WKdz1BNbq; Sat, 19 Jun 2021 17:54:39 +0800 (CST) Received: from dggemi759-chm.china.huawei.com (10.1.198.145) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Sat, 19 Jun 2021 17:59:44 +0800 Received: from localhost.localdomain (10.67.165.24) by dggemi759-chm.china.huawei.com (10.1.198.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sat, 19 Jun 2021 17:59:44 +0800 From: Guangbin Huang To: , , , CC: , , , , Subject: [PATCH net-next 5/8] net: at91_can: fix the alignment issue Date: Sat, 19 Jun 2021 17:56:26 +0800 Message-ID: <1624096589-13452-6-git-send-email-huangguangbin2@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1624096589-13452-1-git-send-email-huangguangbin2@huawei.com> References: <1624096589-13452-1-git-send-email-huangguangbin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggemi759-chm.china.huawei.com (10.1.198.145) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Peng Li Alignment should match open parenthesis. Signed-off-by: Peng Li Signed-off-by: Guangbin Huang --- drivers/net/can/at91_can.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index 279878165e5b..394fc72d39ac 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -281,19 +281,20 @@ static inline u32 at91_read(const struct at91_priv *priv, enum at91_reg reg) } static inline void at91_write(const struct at91_priv *priv, enum at91_reg reg, - u32 value) + u32 value) { writel_relaxed(value, priv->reg_base + reg); } static inline void set_mb_mode_prio(const struct at91_priv *priv, - unsigned int mb, enum at91_mb_mode mode, int prio) + unsigned int mb, enum at91_mb_mode mode, + int prio) { at91_write(priv, AT91_MMR(mb), (mode << 24) | (prio << 16)); } static inline void set_mb_mode(const struct at91_priv *priv, unsigned int mb, - enum at91_mb_mode mode) + enum at91_mb_mode mode) { set_mb_mode_prio(priv, mb, mode, 0); } @@ -368,7 +369,7 @@ static int at91_set_bittiming(struct net_device *dev) } static int at91_get_berr_counter(const struct net_device *dev, - struct can_berr_counter *bec) + struct can_berr_counter *bec) { const struct at91_priv *priv = netdev_priv(dev); u32 reg_ecr = at91_read(priv, AT91_ECR); @@ -527,7 +528,7 @@ static inline void at91_activate_rx_low(const struct at91_priv *priv) * Reenables given mailbox for reception of new CAN messages */ static inline void at91_activate_rx_mb(const struct at91_priv *priv, - unsigned int mb) + unsigned int mb) { u32 mask = 1 << mb; @@ -570,7 +571,7 @@ static void at91_rx_overflow_err(struct net_device *dev) * given can frame. "mb" and "cf" must be valid. */ static void at91_read_mb(struct net_device *dev, unsigned int mb, - struct can_frame *cf) + struct can_frame *cf) { const struct at91_priv *priv = netdev_priv(dev); u32 reg_msr, reg_mid; @@ -687,7 +688,7 @@ static int at91_poll_rx(struct net_device *dev, int quota) if (priv->rx_next > get_mb_rx_low_last(priv) && reg_sr & get_mb_rx_low_mask(priv)) netdev_info(dev, - "order of incoming frames cannot be guaranteed\n"); + "order of incoming frames cannot be guaranteed\n"); again: for (mb = find_next_bit(addr, get_mb_tx_first(priv), priv->rx_next); @@ -720,7 +721,7 @@ static int at91_poll_rx(struct net_device *dev, int quota) } static void at91_poll_err_frame(struct net_device *dev, - struct can_frame *cf, u32 reg_sr) + struct can_frame *cf, u32 reg_sr) { struct at91_priv *priv = netdev_priv(dev); @@ -876,7 +877,7 @@ static void at91_irq_tx(struct net_device *dev, u32 reg_sr) } static void at91_irq_err_state(struct net_device *dev, - struct can_frame *cf, enum can_state new_state) + struct can_frame *cf, enum can_state new_state) { struct at91_priv *priv = netdev_priv(dev); u32 reg_idr = 0, reg_ier = 0; @@ -985,7 +986,7 @@ static void at91_irq_err_state(struct net_device *dev, } static int at91_get_state_by_bec(const struct net_device *dev, - enum can_state *state) + enum can_state *state) { struct can_berr_counter bec; int err; @@ -1178,7 +1179,7 @@ static const struct net_device_ops at91_netdev_ops = { }; static ssize_t at91_sysfs_show_mb0_id(struct device *dev, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { struct at91_priv *priv = netdev_priv(to_net_dev(dev)); @@ -1189,7 +1190,8 @@ static ssize_t at91_sysfs_show_mb0_id(struct device *dev, } static ssize_t at91_sysfs_set_mb0_id(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) + struct device_attribute *attr, + const char *buf, size_t count) { struct net_device *ndev = to_net_dev(dev); struct at91_priv *priv = netdev_priv(ndev); From patchwork Sat Jun 19 09:56:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "huangguangbin \(A\)" X-Patchwork-Id: 464235 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDE4DC2B9F4 for ; Sat, 19 Jun 2021 10:00:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D81CE611CE for ; Sat, 19 Jun 2021 10:00:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233985AbhFSKCS (ORCPT ); Sat, 19 Jun 2021 06:02:18 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:5054 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232428AbhFSKCB (ORCPT ); Sat, 19 Jun 2021 06:02:01 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4G6WNg4bBSzXhCC; Sat, 19 Jun 2021 17:54:43 +0800 (CST) Received: from dggemi759-chm.china.huawei.com (10.1.198.145) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Sat, 19 Jun 2021 17:59:44 +0800 Received: from localhost.localdomain (10.67.165.24) by dggemi759-chm.china.huawei.com (10.1.198.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sat, 19 Jun 2021 17:59:44 +0800 From: Guangbin Huang To: , , , CC: , , , , Subject: [PATCH net-next 7/8] net: at91_can: remove redundant space Date: Sat, 19 Jun 2021 17:56:28 +0800 Message-ID: <1624096589-13452-8-git-send-email-huangguangbin2@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1624096589-13452-1-git-send-email-huangguangbin2@huawei.com> References: <1624096589-13452-1-git-send-email-huangguangbin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggemi759-chm.china.huawei.com (10.1.198.145) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Peng Li According to the chackpatch.pl, no space before tabs. Signed-off-by: Peng Li Signed-off-by: Guangbin Huang --- drivers/net/can/at91_can.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index 5d984a448de4..0e6ed59a763d 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -163,7 +163,7 @@ static const struct can_bittiming_const at91_bittiming_const = { .tseg2_min = 2, .tseg2_max = 8, .sjw_max = 4, - .brp_min = 2, + .brp_min = 2, .brp_max = 128, .brp_inc = 1, }; From patchwork Sat Jun 19 09:56:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "huangguangbin \(A\)" X-Patchwork-Id: 464238 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CBDD3C48BE5 for ; Sat, 19 Jun 2021 09:59:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B32BC61168 for ; Sat, 19 Jun 2021 09:59:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233158AbhFSKCD (ORCPT ); Sat, 19 Jun 2021 06:02:03 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:5051 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231810AbhFSKB5 (ORCPT ); Sat, 19 Jun 2021 06:01:57 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4G6WNb6bYlzXh8G; Sat, 19 Jun 2021 17:54:39 +0800 (CST) Received: from dggemi759-chm.china.huawei.com (10.1.198.145) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Sat, 19 Jun 2021 17:59:45 +0800 Received: from localhost.localdomain (10.67.165.24) by dggemi759-chm.china.huawei.com (10.1.198.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sat, 19 Jun 2021 17:59:44 +0800 From: Guangbin Huang To: , , , CC: , , , , Subject: [PATCH net-next 8/8] net: at91_can: fix the comments style issue Date: Sat, 19 Jun 2021 17:56:29 +0800 Message-ID: <1624096589-13452-9-git-send-email-huangguangbin2@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1624096589-13452-1-git-send-email-huangguangbin2@huawei.com> References: <1624096589-13452-1-git-send-email-huangguangbin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggemi759-chm.china.huawei.com (10.1.198.145) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Peng Li Networking block comments don't use an empty /* line, use /* Comment... Block comments use * on subsequent lines. Block comments use a trailing */ on a separate line. This patch fixes the comments style issues. Signed-off-by: Peng Li Signed-off-by: Guangbin Huang --- drivers/net/can/at91_can.c | 42 ++++++++++++++---------------------------- 1 file changed, 14 insertions(+), 28 deletions(-) diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index 0e6ed59a763d..566891312eda 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -317,8 +317,7 @@ static void at91_setup_mailboxes(struct net_device *dev) unsigned int i; u32 reg_mid; - /* - * Due to a chip bug (errata 50.2.6.3 & 50.3.5.3) the first + /* Due to a chip bug (errata 50.2.6.3 & 50.3.5.3) the first * mailbox is disabled. The next 11 mailboxes are used as a * reception FIFO. The last mailbox is configured with * overwrite option. The overwrite flag indicates a FIFO @@ -424,8 +423,7 @@ static void at91_chip_stop(struct net_device *dev, enum can_state state) priv->can.state = state; } -/* - * theory of operation: +/* theory of operation: * * According to the datasheet priority 0 is the highest priority, 15 * is the lowest. If two mailboxes have the same priority level the @@ -487,8 +485,7 @@ static netdev_tx_t at91_start_xmit(struct sk_buff *skb, struct net_device *dev) /* _NOTE_: subtract AT91_MB_TX_FIRST offset from mb! */ can_put_echo_skb(skb, dev, mb - get_mb_tx_first(priv), 0); - /* - * we have to stop the queue and deliver all messages in case + /* we have to stop the queue and deliver all messages in case * of a prio+mb counter wrap around. This is the case if * tx_next buffer prio and mailbox equals 0. * @@ -799,8 +796,7 @@ static int at91_poll(struct napi_struct *napi, int quota) if (reg_sr & get_irq_mb_rx(priv)) work_done += at91_poll_rx(dev, quota - work_done); - /* - * The error bits are clear on read, + /* The error bits are clear on read, * so use saved value from irq handler. */ reg_sr |= priv->reg_sr; @@ -820,8 +816,7 @@ static int at91_poll(struct napi_struct *napi, int quota) return work_done; } -/* - * theory of operation: +/* theory of operation: * * priv->tx_echo holds the number of the oldest can_frame put for * transmission into the hardware, but not yet ACKed by the CAN tx @@ -850,8 +845,7 @@ static void at91_irq_tx(struct net_device *dev, u32 reg_sr) /* Disable irq for this TX mailbox */ at91_write(priv, AT91_IDR, 1 << mb); - /* - * only echo if mailbox signals us a transfer + /* only echo if mailbox signals us a transfer * complete (MSR_MRDY). Otherwise it's a tansfer * abort. "can_bus_off()" takes care about the skbs * parked in the echo queue. @@ -866,8 +860,7 @@ static void at91_irq_tx(struct net_device *dev, u32 reg_sr) } } - /* - * restart queue if we don't have a wrap around but restart if + /* restart queue if we don't have a wrap around but restart if * we get a TX int for the last can frame directly before a * wrap around. */ @@ -887,8 +880,7 @@ static void at91_irq_err_state(struct net_device *dev, switch (priv->can.state) { case CAN_STATE_ERROR_ACTIVE: - /* - * from: ERROR_ACTIVE + /* from: ERROR_ACTIVE * to : ERROR_WARNING, ERROR_PASSIVE, BUS_OFF * => : there was a warning int */ @@ -904,8 +896,7 @@ static void at91_irq_err_state(struct net_device *dev, } fallthrough; case CAN_STATE_ERROR_WARNING: - /* - * from: ERROR_ACTIVE, ERROR_WARNING + /* from: ERROR_ACTIVE, ERROR_WARNING * to : ERROR_PASSIVE, BUS_OFF * => : error passive int */ @@ -921,8 +912,7 @@ static void at91_irq_err_state(struct net_device *dev, } break; case CAN_STATE_BUS_OFF: - /* - * from: BUS_OFF + /* from: BUS_OFF * to : ERROR_ACTIVE, ERROR_WARNING, ERROR_PASSIVE */ if (new_state <= CAN_STATE_ERROR_PASSIVE) { @@ -942,8 +932,7 @@ static void at91_irq_err_state(struct net_device *dev, /* process state changes depending on the new state */ switch (new_state) { case CAN_STATE_ERROR_ACTIVE: - /* - * actually we want to enable AT91_IRQ_WARN here, but + /* actually we want to enable AT91_IRQ_WARN here, but * it screws up the system under certain * circumstances. so just enable AT91_IRQ_ERRP, thus * the "fallthrough" @@ -1055,8 +1044,7 @@ static void at91_irq_err(struct net_device *dev) priv->can.state = new_state; } -/* - * interrupt handler +/* interrupt handler */ static irqreturn_t at91_irq(int irq, void *dev_id) { @@ -1077,8 +1065,7 @@ static irqreturn_t at91_irq(int irq, void *dev_id) /* Receive or error interrupt? -> napi */ if (reg_sr & (get_irq_mb_rx(priv) | AT91_IRQ_ERR_FRAME)) { - /* - * The error bits are clear on read, + /* The error bits are clear on read, * save for later use. */ priv->reg_sr = reg_sr; @@ -1135,8 +1122,7 @@ static int at91_open(struct net_device *dev) return err; } -/* - * stop CAN bus activity +/* stop CAN bus activity */ static int at91_close(struct net_device *dev) {