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| author | Jakub Kicinski <kuba@kernel.org> | 2021-01-29 02:09:31 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-29 02:09:31 +0100 |
| commit | c358f95205ff472fb3960a5659304774983ec1c5 (patch) | |
| tree | 281fa209514d58a69109ac7a2190d7a2a937d93d /drivers/usb/host/ehci-hcd.c | |
| parent | Merge tag 'mlx5-updates-2021-01-13' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| parent | Merge tag 'net-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff) | |
| download | linux-c358f95205ff472fb3960a5659304774983ec1c5.tar.xz linux-c358f95205ff472fb3960a5659304774983ec1c5.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/can/dev.c
b552766c872f ("can: dev: prevent potential information leak in can_fill_info()")
3e77f70e7345 ("can: dev: move driver related infrastructure into separate subdir")
0a042c6ec991 ("can: dev: move netlink related code into seperate file")
Code move.
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
57ac4a31c483 ("net/mlx5e: Correctly handle changing the number of queues when the interface is down")
214baf22870c ("net/mlx5e: Support HTB offload")
Adjacent code changes
net/switchdev/switchdev.c
20776b465c0c ("net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP")
ffb68fc58e96 ("net: switchdev: remove the transaction structure from port object notifiers")
bae33f2b5afe ("net: switchdev: remove the transaction structure from port attributes")
Transaction parameter gets dropped otherwise keep the fix.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index e358ae17d51e..1926b328b6aa 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -574,6 +574,7 @@ static int ehci_run (struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 temp; u32 hcc_params; + int rc; hcd->uses_new_polling = 1; @@ -629,9 +630,20 @@ static int ehci_run (struct usb_hcd *hcd) down_write(&ehci_cf_port_reset_rwsem); ehci->rh_state = EHCI_RH_RUNNING; ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag); + + /* Wait until HC become operational */ ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */ msleep(5); + rc = ehci_handshake(ehci, &ehci->regs->status, STS_HALT, 0, 100 * 1000); + up_write(&ehci_cf_port_reset_rwsem); + + if (rc) { + ehci_err(ehci, "USB %x.%x, controller refused to start: %d\n", + ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), rc); + return rc; + } + ehci->last_periodic_enable = ktime_get_real(); temp = HC_VERSION(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); |