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linux/drivers/net
Yannick Vignon 80d4609008 net: stmmac: ensure PTP time register reads are consistent
Even if protected from preemption and interrupts, a small time window
remains when the 2 register reads could return inconsistent values,
each time the "seconds" register changes. This could lead to an about
1-second error in the reported time.

Add logic to ensure the "seconds" and "nanoseconds" values are consistent.

Fixes: 92ba688851 ("stmmac: add the support for PTP hw clock driver")
Signed-off-by: Yannick Vignon <yannick.vignon@nxp.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20220203160025.750632-1-yannick.vignon@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-02-03 13:54:19 -08:00
..
appletalk net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
arcnet net: remove single-byte netdev->dev_addr writes 2021-10-13 10:03:59 -07:00
bonding Networking fixes for 5.17-rc2, including fixes from netfilter and can. 2022-01-27 20:58:39 +02:00
caif virtio: wrap config->reset calls 2022-01-14 18:50:52 -05:00
can can: flexcan: mark RX via mailboxes as supported on MCF5441X 2022-01-24 18:27:43 +01:00
dsa net: dsa: mt7530: make NET_DSA_MT7530 select MEDIATEK_GE_PHY 2022-01-31 21:18:17 -08:00
ethernet net: stmmac: ensure PTP time register reads are consistent 2022-02-03 13:54:19 -08:00
fddi net:Remove initialization of static variables to 0 2021-12-27 14:53:00 +00:00
fjes fjes: Check for error irq 2021-12-22 10:22:13 +00:00
hamradio yam: fix a memory leak in yam_siocdevprivate() 2022-01-25 11:04:55 +00:00
hippi net: hippi: use dev_addr_set() 2021-10-22 10:16:09 -07:00
hyperv hyperv-next for 5.17 2022-01-16 15:53:00 +02:00
ieee802154 net: ieee802154: ca8210: Stop leaking skb's 2022-01-27 08:20:39 +01:00
ipa net: ipa: request IPA register values be retained 2022-02-03 08:03:43 -08:00
ipvlan ipvlan: Remove redundant if statements 2021-12-02 13:07:38 +00:00
mctp mctp: serial: remove unnecessary ldisc data check 2021-11-25 19:40:39 -08:00
mdio net: mdio: mscc-miim: Add depend of REGMAP_MMIO on MDIO_MSCC_MIIM 2021-12-01 18:46:54 -08:00
netdevsim Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-12-16 16:13:19 -08:00
pcs net: pcs: lynx: use a common naming scheme for all lynx_pcs variables 2022-01-02 18:48:47 +00:00
phy net: phy: Fix qca8081 with speeds lower than 2.5Gb/s 2022-02-01 11:57:09 +00:00
plip net: plip: use eth_hw_addr_set() 2021-10-22 10:16:14 -07:00
ppp TTY/Serial driver updates for 5.17-rc1 2022-01-12 11:21:52 -08:00
slip Merge 5.16-rc4 into tty-next 2021-12-06 09:32:47 +01:00
team net: use dev_addr_set() 2021-10-09 11:55:01 +01:00
usb ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback 2022-02-01 20:25:38 -08:00
vmxnet3 vmxnet3: Remove useless DMA-32 fallback configuration 2022-01-09 16:52:19 -08:00
wan net: wan/lmc: fix spelling of "its" 2021-12-24 10:23:47 +00:00
wireguard lib/crypto: blake2s: move hmac construction into wireguard 2022-01-18 13:03:55 +01:00
wireless proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
wwan net: wwan: Fix MRU mismatch issue which may lead to data connection lost 2022-01-15 22:40:52 +00:00
xen-netback xen/netback: don't queue unlimited number of packages 2021-12-16 08:43:12 +01:00
amt.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-01-09 17:00:17 -08:00
bareudp.c bareudp: Add extack support to bareudp_configure() 2021-12-14 12:39:17 +00:00
dummy.c
eql.c net: eql: add net device refcount tracker 2021-12-07 20:44:58 -08:00
geneve.c gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers 2021-11-24 17:21:42 -08:00
gtp.c gtp: use skb_dst_update_pmtu_no_confirm() instead of direct call 2021-10-06 15:19:37 +01:00
ifb.c net: ifb: support ethtools stats 2021-11-29 20:15:03 -08:00
Kconfig lib/crypto: blake2s: include as built-in 2022-01-07 00:25:25 +01:00
LICENSE.SRC
loopback.c net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
macsec.c net: macsec: Verify that send_sci is on when setting Tx sci explicitly 2022-02-01 20:32:20 -08:00
macvlan.c net: remove .ndo_change_proto_down 2021-11-23 12:18:48 +00:00
macvtap.c net: macvtap: fix template string argument of device_create() call 2021-10-16 08:51:21 +01:00
Makefile amt: add control plane of amt interface 2021-11-01 13:36:08 +00:00
mdio.c
mhi_net.c drivers: net: mhi: fix error path in mhi_net_newlink 2021-09-24 14:25:05 +01:00
mii.c
net_failover.c net: use dev_addr_set() 2021-10-09 11:55:01 +01:00
netconsole.c netpoll: add net device refcount tracker to struct netpoll 2021-12-06 16:06:02 -08:00
nlmon.c
ntb_netdev.c net: use dev_addr_set() 2021-10-09 11:55:01 +01:00
rionet.c net: sb1000,rionet: use eth_hw_addr_set() 2021-10-22 10:16:16 -07:00
sb1000.c net: sb1000,rionet: use eth_hw_addr_set() 2021-10-22 10:16:16 -07:00
Space.c
sungem_phy.c net: sungem_phy: fix code indentation 2021-11-09 11:45:54 +00:00
tap.c
thunderbolt.c net: thunderbolt: use eth_hw_addr_set() 2021-10-27 17:13:36 -07:00
tun.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-31 14:35:40 +00:00
veth.c veth: Do not record rx queue hint in veth_xmit 2022-01-06 13:49:54 +00:00
virtio_net.c bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
vrf.c net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
vsockmon.c
vxlan.c net: vxlan: add macro definition for number of IANA VXLAN-GPE port 2021-11-29 12:19:53 +00:00
xen-netfront.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-31 14:35:40 +00:00