[U-Boot] [PATCH v4 10/18] usb: xhci: Change MAX_HC_PORTS to 255

[Bin Meng]

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 at gmail.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Stefan Roese <sr at denx.de>
Tested-by: Stefan Roese <sr at denx.de>
---

Changes in v4: None
Changes in v3: None
Changes in v2: None

 drivers/usb/host/xhci.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 32dd611..3cf08e4 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
-- 
2.9.2