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Date: Wed, 27 May 2020 10:35:13 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Antoine Tenart <antoine.tenart@...tlin.com>
Cc: davem@...emloft.net, andrew@...n.ch, f.fainelli@...il.com,
hkallweit1@...il.com, richardcochran@...il.com,
alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
thomas.petazzoni@...tlin.com, allan.nielsen@...rochip.com,
foss@...il.net
Subject: Re: [PATCH net-next 5/8] net: phy: mscc: 1588 block initialization
On Wed, 27 May 2020 18:41:55 +0200 Antoine Tenart wrote:
> From: Quentin Schulz <quentin.schulz@...tlin.com>
>
> This patch adds the first parts of the 1588 support in the MSCC PHY,
> with registers definition and the 1588 block initialization.
>
> Those PHYs are distributed in hardware packages containing multiple
> times the PHY. The VSC8584 for example is composed of 4 PHYs. With
> hardware packages, parts of the logic is usually common and one of the
> PHY has to be used for some parts of the initialization. Following this
> logic, the 1588 blocks of those PHYs are shared between two PHYs and
> accessing the registers has to be done using the "base" PHY of the
> group. This is handled thanks to helpers in the PTP code (and locks).
> We also need the MDIO bus lock while performing a single read or write
> to the 1588 registers as the read/write are composed of multiple MDIO
> transactions (and we don't want other threads updating the page).
>
> Co-developed-by: Antoine Tenart <antoine.tenart@...tlin.com>
> Signed-off-by: Quentin Schulz <quentin.schulz@...tlin.com>
> Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>
This doesn't build on my system :S
In file included from ../drivers/net/phy/mscc/mscc_ptp.c:18:
../include/linux/unaligned/be_byteshift.h:41:19: error: redefinition of ‘get_unaligned_be16’
41 | static inline u16 get_unaligned_be16(const void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../arch/x86/include/asm/unaligned.h:9,
from ../include/linux/etherdevice.h:24,
from ../include/linux/if_vlan.h:11,
from ../include/linux/filter.h:22,
from ../include/net/sock.h:59,
from ../include/net/inet_sock.h:22,
from ../include/linux/udp.h:16,
from ../drivers/net/phy/mscc/mscc_ptp.c:17:
../include/linux/unaligned/access_ok.h:23:28: note: previous definition of ‘get_unaligned_be16’ was here
23 | static __always_inline u16 get_unaligned_be16(const void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../drivers/net/phy/mscc/mscc_ptp.c:18:
../include/linux/unaligned/be_byteshift.h:46:19: error: redefinition of ‘get_unaligned_be32’
46 | static inline u32 get_unaligned_be32(const void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../arch/x86/include/asm/unaligned.h:9,
from ../include/linux/etherdevice.h:24,
from ../include/linux/if_vlan.h:11,
from ../include/linux/filter.h:22,
from ../include/net/sock.h:59,
from ../include/net/inet_sock.h:22,
from ../include/linux/udp.h:16,
from ../drivers/net/phy/mscc/mscc_ptp.c:17:
../include/linux/unaligned/access_ok.h:28:28: note: previous definition of ‘get_unaligned_be32’ was here
28 | static __always_inline u32 get_unaligned_be32(const void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../drivers/net/phy/mscc/mscc_ptp.c:18:
../include/linux/unaligned/be_byteshift.h:51:19: error: redefinition of ‘get_unaligned_be64’
51 | static inline u64 get_unaligned_be64(const void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../arch/x86/include/asm/unaligned.h:9,
from ../include/linux/etherdevice.h:24,
from ../include/linux/if_vlan.h:11,
from ../include/linux/filter.h:22,
from ../include/net/sock.h:59,
from ../include/net/inet_sock.h:22,
from ../include/linux/udp.h:16,
from ../drivers/net/phy/mscc/mscc_ptp.c:17:
../include/linux/unaligned/access_ok.h:33:28: note: previous definition of ‘get_unaligned_be64’ was here
33 | static __always_inline u64 get_unaligned_be64(const void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../drivers/net/phy/mscc/mscc_ptp.c:18:
../include/linux/unaligned/be_byteshift.h:56:20: error: redefinition of ‘put_unaligned_be16’
56 | static inline void put_unaligned_be16(u16 val, void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../arch/x86/include/asm/unaligned.h:9,
from ../include/linux/etherdevice.h:24,
from ../include/linux/if_vlan.h:11,
from ../include/linux/filter.h:22,
from ../include/net/sock.h:59,
from ../include/net/inet_sock.h:22,
from ../include/linux/udp.h:16,
from ../drivers/net/phy/mscc/mscc_ptp.c:17:
../include/linux/unaligned/access_ok.h:53:29: note: previous definition of ‘put_unaligned_be16’ was here
53 | static __always_inline void put_unaligned_be16(u16 val, void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../drivers/net/phy/mscc/mscc_ptp.c:18:
../include/linux/unaligned/be_byteshift.h:61:20: error: redefinition of ‘put_unaligned_be32’
61 | static inline void put_unaligned_be32(u32 val, void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../arch/x86/include/asm/unaligned.h:9,
from ../include/linux/etherdevice.h:24,
from ../include/linux/if_vlan.h:11,
from ../include/linux/filter.h:22,
from ../include/net/sock.h:59,
from ../include/net/inet_sock.h:22,
from ../include/linux/udp.h:16,
from ../drivers/net/phy/mscc/mscc_ptp.c:17:
../include/linux/unaligned/access_ok.h:58:29: note: previous definition of ‘put_unaligned_be32’ was here
58 | static __always_inline void put_unaligned_be32(u32 val, void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../drivers/net/phy/mscc/mscc_ptp.c:18:
../include/linux/unaligned/be_byteshift.h:66:20: error: redefinition of ‘put_unaligned_be64’
66 | static inline void put_unaligned_be64(u64 val, void *p)
| ^~~~~~~~~~~~~~~~~~
In file included from ../arch/x86/include/asm/unaligned.h:9,
from ../include/linux/etherdevice.h:24,
from ../include/linux/if_vlan.h:11,
from ../include/linux/filter.h:22,
from ../include/net/sock.h:59,
from ../include/net/inet_sock.h:22,
from ../include/linux/udp.h:16,
from ../drivers/net/phy/mscc/mscc_ptp.c:17:
../include/linux/unaligned/access_ok.h:63:29: note: previous definition of ‘put_unaligned_be64’ was here
63 | static __always_inline void put_unaligned_be64(u64 val, void *p)
| ^~~~~~~~~~~~~~~~~~
../drivers/net/phy/mscc/mscc_ptp.c:658:12: warning: ‘vsc85xx_ts_engine_init’ defined but not used [-Wunused-function]
658 | static int vsc85xx_ts_engine_init(struct phy_device *phydev, bool one_step)
| ^~~~~~~~~~~~~~~~~~~~~~
make[5]: *** [drivers/net/phy/mscc/mscc_ptp.o] Error 1
make[4]: *** [drivers/net/phy/mscc] Error 2
make[3]: *** [drivers/net/phy] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [drivers/net] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [drivers] Error 2
make: *** [sub-make] Error 2
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