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net: cavium: Fix build errors due to 'imply CAVIUM_PTP'

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If CAVIUM_PTP is m and THUNDER_NIC_VF is y, build fails:

drivers/net/ethernet/cavium/thunder/nicvf_main.o: In function 'nicvf_remove':
nicvf_main.c:(.text+0x1f0): undefined reference to 'cavium_ptp_put'
drivers/net/ethernet/cavium/thunder/nicvf_main.o: In function `nicvf_probe':
nicvf_main.c:(.text+0x557c): undefined reference to 'cavium_ptp_get'

THUNDER_NIC_VF imply CAVIUM_PTP, which allow the config now,
Use IS_REACHABLE() to avoid the vmlinux link error for this case.

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: def2fbffe62c ("kconfig: allow symbols implied by y to become m")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YueHaibing 2020-04-02 21:23:44 +08:00 committed by David S. Miller
parent 2822d1a689
commit a7d40cbb24
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/cavium/common/cavium_ptp.h
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@ -24,7 +24,7 @@ struct cavium_ptp {
struct ptp_clock *ptp_clock;
};
#if IS_ENABLED(CONFIG_CAVIUM_PTP)
#if IS_REACHABLE(CONFIG_CAVIUM_PTP)
struct cavium_ptp *cavium_ptp_get(void);
void cavium_ptp_put(struct cavium_ptp *ptp);