From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/net/can/at91_can.c | 22 ++++++++++------------
1 files changed, 10 insertions(+), 12 deletions(-)
diff --git a/kernel/drivers/net/can/at91_can.c b/kernel/drivers/net/can/at91_can.c
index d98c690..c14de95 100644
--- a/kernel/drivers/net/can/at91_can.c
+++ b/kernel/drivers/net/can/at91_can.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* at91_can.c - CAN network driver for AT91 SoC CAN controller
*
* (C) 2007 by Hans J. Koch <hjk@hansjkoch.de>
* (C) 2008, 2009, 2010, 2011 by Marc Kleine-Budde <kernel@pengutronix.de>
- *
- * This software may be distributed under the terms of the GNU General
- * Public License ("GPL") version 2 as distributed in the 'COPYING'
- * file from the main directory of the linux kernel source.
- *
*/
#include <linux/clk.h>
@@ -647,7 +643,7 @@
*
* The first message goes into mb nr. 1 and issues an interrupt. All
* rx ints are disabled in the interrupt handler and a napi poll is
- * scheduled. We read the mailbox, but do _not_ reenable the mb (to
+ * scheduled. We read the mailbox, but do _not_ re-enable the mb (to
* receive another message).
*
* lower mbxs upper
@@ -665,13 +661,13 @@
*
* The variable priv->rx_next points to the next mailbox to read a
* message from. As long we're in the lower mailboxes we just read the
- * mailbox but not reenable it.
+ * mailbox but not re-enable it.
*
- * With completion of the last of the lower mailboxes, we reenable the
+ * With completion of the last of the lower mailboxes, we re-enable the
* whole first group, but continue to look for filled mailboxes in the
* upper mailboxes. Imagine the second group like overflow mailboxes,
* which takes CAN messages if the lower goup is full. While in the
- * upper group we reenable the mailbox right after reading it. Giving
+ * upper group we re-enable the mailbox right after reading it. Giving
* the chip more room to store messages.
*
* After finishing we look again in the lower group if we've still
@@ -902,7 +898,8 @@
CAN_ERR_CRTL_TX_WARNING :
CAN_ERR_CRTL_RX_WARNING;
}
- case CAN_STATE_ERROR_WARNING: /* fallthrough */
+ fallthrough;
+ case CAN_STATE_ERROR_WARNING:
/*
* from: ERROR_ACTIVE, ERROR_WARNING
* to : ERROR_PASSIVE, BUS_OFF
@@ -951,7 +948,8 @@
netdev_dbg(dev, "Error Active\n");
cf->can_id |= CAN_ERR_PROT;
cf->data[2] = CAN_ERR_PROT_ACTIVE;
- case CAN_STATE_ERROR_WARNING: /* fallthrough */
+ fallthrough;
+ case CAN_STATE_ERROR_WARNING:
reg_idr = AT91_IRQ_ERRA | AT91_IRQ_WARN | AT91_IRQ_BOFF;
reg_ier = AT91_IRQ_ERRP;
break;
@@ -1304,7 +1302,7 @@
goto exit_put;
}
- addr = ioremap_nocache(res->start, resource_size(res));
+ addr = ioremap(res->start, resource_size(res));
if (!addr) {
err = -ENOMEM;
goto exit_release;
--
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