summaryrefslogtreecommitdiff
path: root/drivers/usb/host/ehci-platform.c
diff options
context:
space:
mode:
authorNeal Liu <neal_liu@aspeedtech.com>2021-09-10 10:36:19 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-09-14 11:26:02 +0300
commit7f2d73788d9067fd4f677ac5f60ffd25945af7af (patch)
treec5c614718f030347ee6196a4158bdd659f925d19 /drivers/usb/host/ehci-platform.c
parent18d6b39ee8959c6e513750879b52fd215533cc87 (diff)
downloadlinux-7f2d73788d9067fd4f677ac5f60ffd25945af7af.tar.xz
usb: ehci: handshake CMD_RUN instead of STS_HALT
For Aspeed, HCHalted status depends on not only Run/Stop but also ASS/PSS status. Handshake CMD_RUN on startup instead. Tested-by: Tao Ren <rentao.bupt@gmail.com> Reviewed-by: Tao Ren <rentao.bupt@gmail.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Neal Liu <neal_liu@aspeedtech.com> Link: https://lore.kernel.org/r/20210910073619.26095-1-neal_liu@aspeedtech.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-platform.c')
-rw-r--r--drivers/usb/host/ehci-platform.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index c70f2d0b4aaf..c3dc906274d9 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -297,6 +297,12 @@ static int ehci_platform_probe(struct platform_device *dev)
"has-transaction-translator"))
hcd->has_tt = 1;
+ if (of_device_is_compatible(dev->dev.of_node,
+ "aspeed,ast2500-ehci") ||
+ of_device_is_compatible(dev->dev.of_node,
+ "aspeed,ast2600-ehci"))
+ ehci->is_aspeed = 1;
+
if (soc_device_match(quirk_poll_match))
priv->quirk_poll = true;