* [PATCH] usb: host: xhci-tegra: otg usb2/usb3 port init
@ 2020-08-11 9:31 JC Kuo
0 siblings, 0 replies; only message in thread
From: JC Kuo @ 2020-08-11 9:31 UTC (permalink / raw)
To: mathias.nyman, gregkh, thierry.reding, jonathanh
Cc: linux-tegra, linux-usb, nkristam, JC Kuo
tegra_xusb_init_usb_phy() should initialize "otg_usb2_port" and
"otg_usb3_port" with -EINVAL because "0" is a valid value
represents usb2 port 0 or usb3 port 0.
Signed-off-by: JC Kuo <jckuo@nvidia.com>
---
drivers/usb/host/xhci-tegra.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index 014d79334f50..0489a316099a 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -1258,6 +1258,8 @@ static int tegra_xusb_init_usb_phy(struct tegra_xusb *tegra)
INIT_WORK(&tegra->id_work, tegra_xhci_id_work);
tegra->id_nb.notifier_call = tegra_xhci_id_notify;
+ tegra->otg_usb2_port = -EINVAL;
+ tegra->otg_usb3_port = -EINVAL;
for (i = 0; i < tegra->num_usb_phys; i++) {
struct phy *phy = tegra_xusb_get_phy(tegra, "usb2", i);
--
2.25.1
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2020-08-11 9:31 [PATCH] usb: host: xhci-tegra: otg usb2/usb3 port init JC Kuo
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