[PATCH 1/3] usb: hub: Fix usb_get_port_status() for big-endian platforms
Stefan Roese
sr at denx.de
Tue Apr 6 12:10:16 CEST 2021
From: Aaron Williams <awilliams at marvell.com>
Add missing endianness conversions to usb_get_port_status(). This
(amongst others) is necessary to enable the use of USB 3 hubs on
big-endian platforms like MIPS Octeon.
Signed-off-by: Aaron Williams <awilliams at marvell.com>
Signed-off-by: Stefan Roese <sr at denx.de>
Cc: Chandrakala Chavva <cchavva at marvell.com>
Cc: Bin Meng <bmeng.cn at gmail.com>
Cc: Marek Vasut <marex at denx.de>
---
common/usb_hub.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/common/usb_hub.c b/common/usb_hub.c
index 3d856e7de792..ba11a188ca64 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -144,7 +144,8 @@ int usb_get_port_status(struct usb_device *dev, int port, void *data)
if (!usb_hub_is_root_hub(dev->dev) && usb_hub_is_superspeed(dev)) {
struct usb_port_status *status = (struct usb_port_status *)data;
- u16 tmp = (status->wPortStatus) & USB_SS_PORT_STAT_MASK;
+ u16 tmp = le16_to_cpu(status->wPortStatus) &
+ USB_SS_PORT_STAT_MASK;
if (status->wPortStatus & USB_SS_PORT_STAT_POWER)
tmp |= USB_PORT_STAT_POWER;
@@ -152,7 +153,7 @@ int usb_get_port_status(struct usb_device *dev, int port, void *data)
USB_SS_PORT_STAT_SPEED_5GBPS)
tmp |= USB_PORT_STAT_SUPER_SPEED;
- status->wPortStatus = tmp;
+ status->wPortStatus = cpu_to_le16(tmp);
}
#endif
--
2.31.1
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