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net: can: mttcan: Drop support for legacy kernels

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Drop support for Linux kernel prior to v5.15 because these are no longer
supported.

Bug 5420210

Change-Id: I659c71f11d4c8996a35c952e0c6b27d7b7dcf239
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3423848
(cherry picked from commit f236f1fbd9d5d7b1886fc3abfa83719da1996772)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3462467
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
This commit is contained in:
Jon Hunter
2025-08-05 10:33:55 +01:00
committed by mobile promotions
parent a5bb404485
commit 9976ac1020
3 changed files with 2 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/can/mttcan/hal/m_ttcan.c
View File

@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/
#include "../include/m_ttcan.h"
@@ -1037,11 +1037,7 @@ int ttcan_controller_init(struct ttcan_controller *ttcan, u32 irq_flag,
return 0;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 14, 0)
cycle_t ttcan_read_ts_cntr(const struct cyclecounter *ccnt)
#else
u64 ttcan_read_ts_cntr(const struct cyclecounter *ccnt)
#endif
{
struct mttcan_priv *priv = container_of(ccnt, struct mttcan_priv, cc);

8
drivers/net/can/mttcan/include/m_ttcan.h
View File

@@ -1,13 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/
#ifndef __M_TTCAN_DEF
#define __M_TTCAN_DEF
#include <linux/version.h>
#include "m_ttcan_regdef.h"
#include "m_ttcan_linux.h"
@@ -561,9 +559,5 @@ int add_msg_controller_list(struct ttcan_controller *ttcan,
int add_event_controller_list(struct ttcan_controller *ttcan,
struct mttcan_tx_evt_element *txevt,
struct list_head *evt_q);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
u64 ttcan_read_ts_cntr(const struct cyclecounter *ccnt);
#else
cycle_t ttcan_read_ts_cntr(const struct cyclecounter *ccnt);
#endif
#endif

16
drivers/net/can/mttcan/native/m_ttcan_linux.c
View File

@@ -1055,20 +1055,12 @@ static void mttcan_controller_config(struct net_device *dev)
}
/* Adjust the timer by resetting the timecounter structure periodically */
#if LINUX_VERSION_CODE > KERNEL_VERSION(4,15,0)
static void mttcan_timer_cb(struct timer_list *timer)
#else
static void mttcan_timer_cb(unsigned long data)
#endif
{
unsigned long flags;
u64 tref;
int ret = 0;
#if LINUX_VERSION_CODE > KERNEL_VERSION(4,15,0)
struct mttcan_priv *priv = container_of(timer, struct mttcan_priv, timer);
#else
struct mttcan_priv *priv = (struct mttcan_priv *)data;
#endif
raw_spin_lock_irqsave(&priv->tc_lock, flags);
ret = nvpps_get_ptp_ts(&tref);
@@ -1564,11 +1556,7 @@ static const struct net_device_ops mttcan_netdev_ops = {
.ndo_stop = mttcan_close,
.ndo_start_xmit = mttcan_start_xmit,
.ndo_change_mtu = mttcan_change_mtu,
#if KERNEL_VERSION(5, 15, 0) <= LINUX_VERSION_CODE
.ndo_eth_ioctl = mttcan_ioctl,
#else
.ndo_do_ioctl = mttcan_ioctl,
#endif
};
static int register_mttcan_dev(struct net_device *dev)
@@ -1925,11 +1913,7 @@ static int mttcan_probe(struct platform_device *pdev)
if (ret)
goto exit_unreg_candev;
#if LINUX_VERSION_CODE > KERNEL_VERSION(4,15,0)
timer_setup(&priv->timer, mttcan_timer_cb, 0);
#else
setup_timer(&priv->timer, mttcan_timer_cb, (unsigned long)priv);
#endif
dev_info(&dev->dev, "%s device registered (regs=%p, irq=%d)\n",
KBUILD_MODNAME, priv->ttcan->base, dev->irq);