diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2017-07-19 21:50:02 +0800 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2017-07-28 23:34:21 +0200 |
| commit | 1bdcd9019d576b2637393e0b1ec65eab67a7c82f (patch) | |
| tree | cb47c5b90a16eac3ed7eda63dcfc435b3c451864 /drivers | |
| parent | 98ba3d6c23963852c49b08e19fdbe1738edffe5b (diff) | |
usb: xhci: Change MAX_HC_PORTS to 255
HCSPARAMS1:MaxPorts field specifies the maximum port number value,
and its valid values are in the range of 1 to 255.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Tested-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 32dd611efa..3cf08e4207 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -30,7 +30,7 @@ /* Max number of USB devices for any host controller - limit in section 6.1 */ #define MAX_HC_SLOTS 256 /* Section 5.3.3 - MaxPorts */ -#define MAX_HC_PORTS 127 +#define MAX_HC_PORTS 255 /* Up to 16 ms to halt an HC */ #define XHCI_MAX_HALT_USEC (16*1000) @@ -102,8 +102,8 @@ struct xhci_hccr { #define HCS_MAX_INTRS(p) (((p) >> 8) & 0x7ff) /* bits 24:31, Max Ports - max value is 0x7F = 127 ports */ #define HCS_MAX_PORTS_SHIFT 24 -#define HCS_MAX_PORTS_MASK (0x7f << HCS_MAX_PORTS_SHIFT) -#define HCS_MAX_PORTS(p) (((p) >> 24) & 0x7f) +#define HCS_MAX_PORTS_MASK (0xff << HCS_MAX_PORTS_SHIFT) +#define HCS_MAX_PORTS(p) (((p) >> 24) & 0xff) /* HCSPARAMS2 - hcs_params2 - bitmasks */ /* bits 0:3, frames or uframes that SW needs to queue transactions |