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9dc502d797
Building without CONFIG_PTP_1588_CLOCK results in multiple failures,
this was obviously not well tested:
drivers/net/ethernet/microchip/lan743x_ptp.c: In function 'lan743x_ptp_isr':
drivers/net/ethernet/microchip/lan743x_ptp.c:781:28: error: 'struct lan743x_ptp' has no member named 'ptp_clock'; did you mean 'tx_ts_lock'?
ptp_schedule_worker(ptp->ptp_clock, 0);
^~~~~~~~~
tx_ts_lock
drivers/net/ethernet/microchip/lan743x_ptp.c: In function 'lan743x_ptp_open':
drivers/net/ethernet/microchip/lan743x_ptp.c:879:6: error: unused variable 'ret' [-Werror=unused-variable]
int ret = -ENODEV;
^~~
At top level:
drivers/net/ethernet/microchip/lan743x_ptp.c:63:13: error: 'lan743x_ptp_tx_ts_enqueue_ts' defined but not used [-Werror=unused-function]
static void lan743x_ptp_tx_ts_enqueue_ts(struct lan743x_adapter *adapter,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
drivers/net/ethernet/microchip/lan743x_ethtool.c: In function 'lan743x_ethtool_get_ts_info':
drivers/net/ethernet/microchip/lan743x_ethtool.c:558:19: error: 'struct lan743x_ptp' has no member named 'ptp_clock'; did you mean 'tx_ts_lock'?
Those #ifdef checks are hard to get right, replace them all with
IS_ENABLED() checks that leave the same code visible to the compiler
but let it optimize out the unused bits based on the configuration.
Fixes: 07624df1c9 ("lan743x: lan743x: Add PTP support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/* Copyright (C) 2018 Microchip Technology Inc. */
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#ifndef _LAN743X_PTP_H
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#define _LAN743X_PTP_H
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#include "linux/ptp_clock_kernel.h"
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#include "linux/netdevice.h"
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struct lan743x_adapter;
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/* GPIO */
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struct lan743x_gpio {
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/* gpio_lock: used to prevent concurrent access to gpio settings */
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spinlock_t gpio_lock;
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int used_bits;
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int output_bits;
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int ptp_bits;
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u32 gpio_cfg0;
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u32 gpio_cfg1;
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u32 gpio_cfg2;
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u32 gpio_cfg3;
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};
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int lan743x_gpio_init(struct lan743x_adapter *adapter);
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void lan743x_ptp_isr(void *context);
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bool lan743x_ptp_request_tx_timestamp(struct lan743x_adapter *adapter);
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void lan743x_ptp_unrequest_tx_timestamp(struct lan743x_adapter *adapter);
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void lan743x_ptp_tx_timestamp_skb(struct lan743x_adapter *adapter,
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struct sk_buff *skb, bool ignore_sync);
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int lan743x_ptp_init(struct lan743x_adapter *adapter);
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int lan743x_ptp_open(struct lan743x_adapter *adapter);
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void lan743x_ptp_close(struct lan743x_adapter *adapter);
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void lan743x_ptp_update_latency(struct lan743x_adapter *adapter,
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u32 link_speed);
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int lan743x_ptp_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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#define LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS (4)
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#define PTP_FLAG_PTP_CLOCK_REGISTERED BIT(1)
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#define PTP_FLAG_ISR_ENABLED BIT(2)
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struct lan743x_ptp {
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int flags;
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/* command_lock: used to prevent concurrent ptp commands */
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struct mutex command_lock;
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struct ptp_clock *ptp_clock;
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struct ptp_clock_info ptp_clock_info;
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struct ptp_pin_desc pin_config[1];
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#define LAN743X_PTP_NUMBER_OF_EVENT_CHANNELS (2)
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unsigned long used_event_ch;
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int perout_event_ch;
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int perout_gpio_bit;
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/* tx_ts_lock: used to prevent concurrent access to timestamp arrays */
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spinlock_t tx_ts_lock;
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int pending_tx_timestamps;
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struct sk_buff *tx_ts_skb_queue[LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS];
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unsigned int tx_ts_ignore_sync_queue;
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int tx_ts_skb_queue_size;
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u32 tx_ts_seconds_queue[LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS];
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u32 tx_ts_nseconds_queue[LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS];
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u32 tx_ts_header_queue[LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS];
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int tx_ts_queue_size;
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};
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#endif /* _LAN743X_PTP_H */
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