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Message-ID: <20190214182754.30721-4-dmurphy@ti.com>
Date: Thu, 14 Feb 2019 12:27:52 -0600
From: Dan Murphy <dmurphy@...com>
To: <wg@...ndegger.com>, <mkl@...gutronix.de>, <davem@...emloft.net>
CC: <linux-can@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Dan Murphy <dmurphy@...com>
Subject: [PATCH v5 3/5] can: m_can: Rename m_can_priv to m_can_classdev
Rename the common m_can_priv class structure to
m_can_classdev as this is more descriptive.
Signed-off-by: Dan Murphy <dmurphy@...com>
---
v5 - New patch per comment in v4 - https://lore.kernel.org/patchwork/patch/1033095/
drivers/net/can/m_can/m_can.c | 95 +++++++++++++-------------
drivers/net/can/m_can/m_can.h | 28 ++++----
drivers/net/can/m_can/m_can_platform.c | 16 ++---
3 files changed, 69 insertions(+), 70 deletions(-)
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 2ceccb870557..cc51e385fd83 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -269,7 +269,7 @@
#define TX_EVENT_MM_SHIFT TX_BUF_MM_SHIFT
#define TX_EVENT_MM_MASK (0xff << TX_EVENT_MM_SHIFT)
-static u32 m_can_read(struct m_can_priv *priv, enum m_can_reg reg)
+static u32 m_can_read(struct m_can_classdev *priv, enum m_can_reg reg)
{
u32 ret = -EINVAL;
@@ -279,7 +279,7 @@ static u32 m_can_read(struct m_can_priv *priv, enum m_can_reg reg)
return ret;
}
-static int m_can_write(struct m_can_priv *priv, enum m_can_reg reg, u32 val)
+static int m_can_write(struct m_can_classdev *priv, enum m_can_reg reg, u32 val)
{
int ret = -EINVAL;
@@ -289,7 +289,7 @@ static int m_can_write(struct m_can_priv *priv, enum m_can_reg reg, u32 val)
return ret;
}
-static u32 m_can_fifo_read(struct m_can_priv *priv,
+static u32 m_can_fifo_read(struct m_can_classdev *priv,
u32 fgi, unsigned int offset)
{
u32 addr_offset = priv->mcfg[MRAM_RXF0].off + fgi * RXF0_ELEMENT_SIZE + offset;
@@ -301,7 +301,7 @@ static u32 m_can_fifo_read(struct m_can_priv *priv,
return ret;
}
-static u32 m_can_fifo_write(struct m_can_priv *priv,
+static u32 m_can_fifo_write(struct m_can_classdev *priv,
u32 fpi, unsigned int offset, u32 val)
{
u32 addr_offset = priv->mcfg[MRAM_TXB].off + fpi * TXB_ELEMENT_SIZE + offset;
@@ -313,7 +313,7 @@ static u32 m_can_fifo_write(struct m_can_priv *priv,
return ret;
}
-static u32 m_can_fifo_write_no_off(struct m_can_priv *priv,
+static u32 m_can_fifo_write_no_off(struct m_can_classdev *priv,
u32 fpi, u32 val)
{
u32 ret = 0;
@@ -324,7 +324,7 @@ static u32 m_can_fifo_write_no_off(struct m_can_priv *priv,
return ret;
}
-static u32 m_can_txe_fifo_read(struct m_can_priv *priv, u32 fgi, u32 offset)
+static u32 m_can_txe_fifo_read(struct m_can_classdev *priv, u32 fgi, u32 offset)
{
u32 addr_offset = priv->mcfg[MRAM_TXE].off + fgi * TXE_ELEMENT_SIZE + offset;
u32 ret = -EINVAL;
@@ -335,12 +335,12 @@ static u32 m_can_txe_fifo_read(struct m_can_priv *priv, u32 fgi, u32 offset)
return ret;
}
-static inline bool m_can_tx_fifo_full(struct m_can_priv *priv)
+static inline bool m_can_tx_fifo_full(struct m_can_classdev *priv)
{
return !!(m_can_read(priv, M_CAN_TXFQS) & TXFQS_TFQF);
}
-void m_can_config_endisable(struct m_can_priv *priv, bool enable)
+void m_can_config_endisable(struct m_can_classdev *priv, bool enable)
{
u32 cccr = m_can_read(priv, M_CAN_CCCR);
u32 timeout = 10;
@@ -373,13 +373,13 @@ void m_can_config_endisable(struct m_can_priv *priv, bool enable)
}
}
-static inline void m_can_enable_all_interrupts(struct m_can_priv *priv)
+static inline void m_can_enable_all_interrupts(struct m_can_classdev *priv)
{
/* Only interrupt line 0 is used in this driver */
m_can_write(priv, M_CAN_ILE, ILE_EINT0);
}
-static inline void m_can_disable_all_interrupts(struct m_can_priv *priv)
+static inline void m_can_disable_all_interrupts(struct m_can_classdev *priv)
{
m_can_write(priv, M_CAN_ILE, 0x0);
}
@@ -387,7 +387,7 @@ static inline void m_can_disable_all_interrupts(struct m_can_priv *priv)
static void m_can_read_fifo(struct net_device *dev, u32 rxfs)
{
struct net_device_stats *stats = &dev->stats;
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
struct canfd_frame *cf;
struct sk_buff *skb;
u32 id, fgi, dlc;
@@ -444,7 +444,7 @@ static void m_can_read_fifo(struct net_device *dev, u32 rxfs)
static int m_can_do_rx_poll(struct net_device *dev, int quota)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
u32 pkts = 0;
u32 rxfs;
@@ -497,7 +497,7 @@ static int m_can_handle_lost_msg(struct net_device *dev)
static int m_can_handle_lec_err(struct net_device *dev,
enum m_can_lec_type lec_type)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
struct net_device_stats *stats = &dev->stats;
struct can_frame *cf;
struct sk_buff *skb;
@@ -554,7 +554,7 @@ static int m_can_handle_lec_err(struct net_device *dev,
static int __m_can_get_berr_counter(const struct net_device *dev,
struct can_berr_counter *bec)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
unsigned int ecr;
ecr = m_can_read(priv, M_CAN_ECR);
@@ -564,7 +564,7 @@ static int __m_can_get_berr_counter(const struct net_device *dev,
return 0;
}
-static int m_can_clk_start(struct m_can_priv *priv)
+static int m_can_clk_start(struct m_can_classdev *priv)
{
int err;
@@ -580,7 +580,7 @@ static int m_can_clk_start(struct m_can_priv *priv)
return 0;
}
-static void m_can_clk_stop(struct m_can_priv *priv)
+static void m_can_clk_stop(struct m_can_classdev *priv)
{
if (priv->pm_clock_support)
pm_runtime_put_sync(priv->dev);
@@ -589,7 +589,7 @@ static void m_can_clk_stop(struct m_can_priv *priv)
static int m_can_get_berr_counter(const struct net_device *dev,
struct can_berr_counter *bec)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
int err;
err = m_can_clk_start(priv);
@@ -606,7 +606,7 @@ static int m_can_get_berr_counter(const struct net_device *dev,
static int m_can_handle_state_change(struct net_device *dev,
enum can_state new_state)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
struct net_device_stats *stats = &dev->stats;
struct can_frame *cf;
struct sk_buff *skb;
@@ -680,7 +680,7 @@ static int m_can_handle_state_change(struct net_device *dev,
static int m_can_handle_state_errors(struct net_device *dev, u32 psr)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
int work_done = 0;
if ((psr & PSR_EW) &&
@@ -733,7 +733,7 @@ static inline bool is_lec_err(u32 psr)
static int m_can_handle_bus_errors(struct net_device *dev, u32 irqstatus,
u32 psr)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
int work_done = 0;
if (irqstatus & IR_RF0L)
@@ -752,7 +752,7 @@ static int m_can_handle_bus_errors(struct net_device *dev, u32 irqstatus,
static int m_can_rx_handler(struct net_device *dev, int quota)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
int work_done = 0;
u32 irqstatus, psr;
@@ -775,7 +775,7 @@ static int m_can_rx_handler(struct net_device *dev, int quota)
static int m_can_rx_peripherial(struct net_device *dev)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
m_can_rx_handler(dev, 1);
@@ -787,7 +787,7 @@ static int m_can_rx_peripherial(struct net_device *dev)
static int m_can_poll(struct napi_struct *napi, int quota)
{
struct net_device *dev = napi->dev;
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
int work_done = 0;
work_done = m_can_rx_handler(dev, quota);
@@ -807,7 +807,7 @@ static void m_can_echo_tx_event(struct net_device *dev)
int i = 0;
unsigned int msg_mark;
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
struct net_device_stats *stats = &dev->stats;
/* read tx event fifo status */
@@ -840,7 +840,7 @@ static void m_can_echo_tx_event(struct net_device *dev)
static irqreturn_t m_can_isr(int irq, void *dev_id)
{
struct net_device *dev = (struct net_device *)dev_id;
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
struct net_device_stats *stats = &dev->stats;
u32 ir;
@@ -941,7 +941,7 @@ static const struct can_bittiming_const m_can_data_bittiming_const_31X = {
static int m_can_set_bittiming(struct net_device *dev)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
const struct can_bittiming *bt = &priv->can.bittiming;
const struct can_bittiming *dbt = &priv->can.data_bittiming;
u16 brp, sjw, tseg1, tseg2;
@@ -1014,7 +1014,7 @@ static int m_can_set_bittiming(struct net_device *dev)
*/
static void m_can_chip_config(struct net_device *dev)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
u32 cccr, test;
m_can_config_endisable(priv, true);
@@ -1126,7 +1126,7 @@ static void m_can_chip_config(struct net_device *dev)
static void m_can_start(struct net_device *dev)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
/* basic m_can configuration */
m_can_chip_config(dev);
@@ -1155,7 +1155,7 @@ static int m_can_set_mode(struct net_device *dev, enum can_mode mode)
* else it returns the release and step coded as:
* return value = 10 * <release> + 1 * <step>
*/
-static int m_can_check_core_release(struct m_can_priv *priv)
+static int m_can_check_core_release(struct m_can_classdev *priv)
{
u32 crel_reg;
u8 rel;
@@ -1183,7 +1183,7 @@ static int m_can_check_core_release(struct m_can_priv *priv)
/* Selectable Non ISO support only in version 3.2.x
* This function checks if the bit is writable.
*/
-static bool m_can_niso_supported(struct m_can_priv *priv)
+static bool m_can_niso_supported(struct m_can_classdev *priv)
{
u32 cccr_reg, cccr_poll = 0;
int niso_timeout = -ETIMEDOUT;
@@ -1210,7 +1210,7 @@ static bool m_can_niso_supported(struct m_can_priv *priv)
return !niso_timeout;
}
-static int m_can_dev_setup(struct m_can_priv *m_can_dev)
+static int m_can_dev_setup(struct m_can_classdev *m_can_dev)
{
struct net_device *dev = m_can_dev->net;
int m_can_version;
@@ -1303,7 +1303,7 @@ static int m_can_dev_setup(struct m_can_priv *m_can_dev)
static void m_can_stop(struct net_device *dev)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
/* disable all interrupts */
m_can_disable_all_interrupts(priv);
@@ -1314,7 +1314,7 @@ static void m_can_stop(struct net_device *dev)
static int m_can_close(struct net_device *dev)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
netif_stop_queue(dev);
if (!priv->is_peripherial)
@@ -1336,7 +1336,7 @@ static int m_can_close(struct net_device *dev)
static int m_can_next_echo_skb_occupied(struct net_device *dev, int putidx)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
/*get wrap around for loopback skb index */
unsigned int wrap = priv->can.echo_skb_max;
int next_idx;
@@ -1348,7 +1348,7 @@ static int m_can_next_echo_skb_occupied(struct net_device *dev, int putidx)
return !!priv->can.echo_skb[next_idx];
}
-static void m_can_tx_handler(struct m_can_priv *priv)
+static void m_can_tx_handler(struct m_can_classdev *priv)
{
struct canfd_frame *cf = (struct canfd_frame *)priv->skb->data;
struct net_device *dev = priv->net;
@@ -1460,7 +1460,7 @@ static void m_can_tx_handler(struct m_can_priv *priv)
static void m_can_tx_work_queue(struct work_struct *ws)
{
- struct m_can_priv *priv = container_of(ws, struct m_can_priv,
+ struct m_can_classdev *priv = container_of(ws, struct m_can_classdev,
tx_work);
m_can_tx_handler(priv);
}
@@ -1468,8 +1468,7 @@ static void m_can_tx_work_queue(struct work_struct *ws)
static netdev_tx_t m_can_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- struct m_can_priv *priv = netdev_priv(dev);
-
+ struct m_can_classdev *priv = netdev_priv(dev);
if (can_dropped_invalid_skb(dev, skb))
return NETDEV_TX_OK;
@@ -1487,7 +1486,7 @@ static netdev_tx_t m_can_start_xmit(struct sk_buff *skb,
static int m_can_open(struct net_device *dev)
{
- struct m_can_priv *priv = netdev_priv(dev);
+ struct m_can_classdev *priv = netdev_priv(dev);
int err;
err = m_can_clk_start(priv);
@@ -1562,7 +1561,7 @@ static int register_m_can_dev(struct net_device *dev)
return register_candev(dev);
}
-static void m_can_of_parse_mram(struct m_can_priv *priv,
+static void m_can_of_parse_mram(struct m_can_classdev *priv,
const u32 *mram_config_vals)
{
priv->mcfg[MRAM_SIDF].off = mram_config_vals[0];
@@ -1600,7 +1599,7 @@ static void m_can_of_parse_mram(struct m_can_priv *priv,
priv->mcfg[MRAM_TXB].off, priv->mcfg[MRAM_TXB].num);
}
-void m_can_init_ram(struct m_can_priv *priv)
+void m_can_init_ram(struct m_can_classdev *priv)
{
int end, i, start;
@@ -1616,7 +1615,7 @@ void m_can_init_ram(struct m_can_priv *priv)
}
EXPORT_SYMBOL_GPL(m_can_init_ram);
-int m_can_class_get_clocks(struct m_can_priv *m_can_dev)
+int m_can_class_get_clocks(struct m_can_classdev *m_can_dev)
{
int ret = 0;
@@ -1632,9 +1631,9 @@ int m_can_class_get_clocks(struct m_can_priv *m_can_dev)
}
EXPORT_SYMBOL_GPL(m_can_class_get_clocks);
-struct m_can_priv *m_can_class_allocate_dev(struct device *dev)
+struct m_can_classdev *m_can_class_allocate_dev(struct device *dev)
{
- struct m_can_priv *class_dev = NULL;
+ struct m_can_classdev *class_dev = NULL;
u32 mram_config_vals[MRAM_CFG_LEN];
struct net_device *net_dev;
u32 tx_fifo_size;
@@ -1677,7 +1676,7 @@ struct m_can_priv *m_can_class_allocate_dev(struct device *dev)
}
EXPORT_SYMBOL_GPL(m_can_class_allocate_dev);
-int m_can_class_register(struct m_can_priv *m_can_dev)
+int m_can_class_register(struct m_can_classdev *m_can_dev)
{
int ret;
@@ -1725,7 +1724,7 @@ EXPORT_SYMBOL_GPL(m_can_class_register);
int m_can_class_suspend(struct device *dev)
{
struct net_device *ndev = dev_get_drvdata(dev);
- struct m_can_priv *priv = netdev_priv(ndev);
+ struct m_can_classdev *priv = netdev_priv(ndev);
if (netif_running(ndev)) {
netif_stop_queue(ndev);
@@ -1745,7 +1744,7 @@ EXPORT_SYMBOL_GPL(m_can_class_suspend);
int m_can_class_resume(struct device *dev)
{
struct net_device *ndev = dev_get_drvdata(dev);
- struct m_can_priv *priv = netdev_priv(ndev);
+ struct m_can_classdev *priv = netdev_priv(ndev);
pinctrl_pm_select_default_state(dev);
@@ -1768,7 +1767,7 @@ int m_can_class_resume(struct device *dev)
}
EXPORT_SYMBOL_GPL(m_can_class_resume);
-void m_can_class_unregister(struct m_can_priv *m_can_dev)
+void m_can_class_unregister(struct m_can_classdev *m_can_dev)
{
unregister_candev(m_can_dev->net);
diff --git a/drivers/net/can/m_can/m_can.h b/drivers/net/can/m_can/m_can.h
index 36b1b833d41b..8d1f0f7f5b43 100644
--- a/drivers/net/can/m_can/m_can.h
+++ b/drivers/net/can/m_can/m_can.h
@@ -107,18 +107,18 @@ struct mram_cfg {
u8 num;
};
-struct m_can_priv;
+struct m_can_classdev;
struct m_can_ops {
/* Device specific call backs */
- int (*clr_dev_interrupts) (struct m_can_priv *m_can_class);
- u32 (*read_reg) (struct m_can_priv *m_can_class, int reg);
- int (*write_reg) (struct m_can_priv *m_can_class, int reg, int val);
- u32 (*read_fifo) (struct m_can_priv *m_can_class, int addr_offset);
- int (*write_fifo) (struct m_can_priv *m_can_class, int addr_offset, int val);
- int (*device_init) (struct m_can_priv *m_can_class);
+ int (*clr_dev_interrupts) (struct m_can_classdev *m_can_class);
+ u32 (*read_reg) (struct m_can_classdev *m_can_class, int reg);
+ int (*write_reg) (struct m_can_classdev *m_can_class, int reg, int val);
+ u32 (*read_fifo) (struct m_can_classdev *m_can_class, int addr_offset);
+ int (*write_fifo) (struct m_can_classdev *m_can_class, int addr_offset, int val);
+ int (*device_init) (struct m_can_classdev *m_can_class);
};
-struct m_can_priv {
+struct m_can_classdev {
struct can_priv can;
struct napi_struct napi;
struct net_device *net;
@@ -147,12 +147,12 @@ struct m_can_priv {
struct mram_cfg mcfg[MRAM_CFG_NUM];
};
-struct m_can_priv *m_can_class_allocate_dev(struct device *dev);
-int m_can_class_register(struct m_can_priv *m_can_dev);
-void m_can_class_unregister(struct m_can_priv *m_can_dev);
-int m_can_class_get_clocks(struct m_can_priv *m_can_dev);
-void m_can_init_ram(struct m_can_priv *priv);
-void m_can_config_endisable(struct m_can_priv *priv, bool enable);
+struct m_can_classdev *m_can_class_allocate_dev(struct device *dev);
+int m_can_class_register(struct m_can_classdev *m_can_dev);
+void m_can_class_unregister(struct m_can_classdev *m_can_dev);
+int m_can_class_get_clocks(struct m_can_classdev *m_can_dev);
+void m_can_init_ram(struct m_can_classdev *priv);
+void m_can_config_endisable(struct m_can_classdev *priv, bool enable);
int m_can_class_suspend(struct device *dev);
int m_can_class_resume(struct device *dev);
diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can/m_can_platform.c
index d8d51bd64205..bc9143764ac8 100644
--- a/drivers/net/can/m_can/m_can_platform.c
+++ b/drivers/net/can/m_can/m_can_platform.c
@@ -14,21 +14,21 @@ struct m_can_plat_priv {
void __iomem *mram_base;
};
-static u32 iomap_read_reg(struct m_can_priv *m_can_class, int reg)
+static u32 iomap_read_reg(struct m_can_classdev *m_can_class, int reg)
{
struct m_can_plat_priv *priv = (struct m_can_plat_priv *)m_can_class->device_data;
return readl(priv->base + reg);
}
-static u32 iomap_read_fifo(struct m_can_priv *m_can_class, int offset)
+static u32 iomap_read_fifo(struct m_can_classdev *m_can_class, int offset)
{
struct m_can_plat_priv *priv = (struct m_can_plat_priv *)m_can_class->device_data;
return readl(priv->mram_base + offset);
}
-static int iomap_write_reg(struct m_can_priv *m_can_class, int reg, int val)
+static int iomap_write_reg(struct m_can_classdev *m_can_class, int reg, int val)
{
struct m_can_plat_priv *priv = (struct m_can_plat_priv *)m_can_class->device_data;
@@ -37,7 +37,7 @@ static int iomap_write_reg(struct m_can_priv *m_can_class, int reg, int val)
return 0;
}
-static int iomap_write_fifo(struct m_can_priv *m_can_class, int offset, int val)
+static int iomap_write_fifo(struct m_can_classdev *m_can_class, int offset, int val)
{
struct m_can_plat_priv *priv = (struct m_can_plat_priv *)m_can_class->device_data;
@@ -55,7 +55,7 @@ static struct m_can_ops m_can_plat_ops = {
static int m_can_plat_probe(struct platform_device *pdev)
{
- struct m_can_priv *mcan_class;
+ struct m_can_classdev *mcan_class;
struct m_can_plat_priv *priv;
struct resource *res;
void __iomem *addr;
@@ -127,7 +127,7 @@ static __maybe_unused int m_can_resume(struct device *dev)
static int m_can_plat_remove(struct platform_device *pdev)
{
struct net_device *dev = platform_get_drvdata(pdev);
- struct m_can_priv *mcan_class = netdev_priv(dev);
+ struct m_can_classdev *mcan_class = netdev_priv(dev);
m_can_class_unregister(mcan_class);
@@ -139,7 +139,7 @@ static int m_can_plat_remove(struct platform_device *pdev)
static int __maybe_unused m_can_runtime_suspend(struct device *dev)
{
struct net_device *ndev = dev_get_drvdata(dev);
- struct m_can_priv *mcan_class = netdev_priv(ndev);
+ struct m_can_classdev *mcan_class = netdev_priv(ndev);
m_can_class_suspend(dev);
@@ -152,7 +152,7 @@ static int __maybe_unused m_can_runtime_suspend(struct device *dev)
static int __maybe_unused m_can_runtime_resume(struct device *dev)
{
struct net_device *ndev = dev_get_drvdata(dev);
- struct m_can_priv *mcan_class = netdev_priv(ndev);
+ struct m_can_classdev *mcan_class = netdev_priv(ndev);
int err;
err = clk_prepare_enable(mcan_class->hclk);
--
2.20.1.390.gb5101f9297
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