From: Bin Meng <bmeng.cn@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 10/20] usb: xhci: Change MAX_HC_PORTS to 255
Date: Fri, 16 Jun 2017 06:31:39 -0700 [thread overview]
Message-ID: <1497619909-29454-11-git-send-email-bmeng.cn@gmail.com> (raw)
In-Reply-To: <1497619909-29454-1-git-send-email-bmeng.cn@gmail.com>
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>
---
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
next prev parent reply other threads:[~2017-06-16 13:31 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-16 13:31 [U-Boot] [PATCH 00/20] usb: xhci: Fix USB xHCI support on Intel platform Bin Meng
2017-06-16 13:31 ` [U-Boot] [PATCH 01/20] usb: xhci: Remove incorrect comments for struct xhci_container_ctx Bin Meng
2017-06-17 3:43 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 02/20] usb: xhci: Correct command TRB 4th dword initialization Bin Meng
2017-06-17 3:43 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 03/20] usb: xhci: Initialize scratchpad buffer array and scratchpad buffers Bin Meng
2017-06-17 3:43 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 04/20] usb: xhci: Add input slot context in xhci_set_configuration() Bin Meng
2017-06-17 3:43 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 05/20] usb: hub: Update handling connect status/change in usb_scan_port() Bin Meng
2017-06-16 14:19 ` Marek Vasut
2017-06-20 15:18 ` Dinh Nguyen
2017-06-16 13:31 ` [U-Boot] [PATCH 06/20] usb: hub: Send correct wValue to get hub descriptor of a USB 3.0 hub Bin Meng
2017-06-17 3:43 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 07/20] usb: hub: Revise wLength for 'get port status' request Bin Meng
2017-06-17 3:43 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 08/20] usb: hub: Change USB hub descriptor to match USB 3.0 hubs Bin Meng
2017-06-17 3:44 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 09/20] usb: hub: Add 3.0 hub port status mask of 2.0 hub Bin Meng
2017-06-17 3:44 ` Simon Glass
2017-06-16 13:31 ` Bin Meng [this message]
2017-06-17 3:44 ` [U-Boot] [PATCH 10/20] usb: xhci: Change MAX_HC_PORTS to 255 Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 11/20] usb: xhci: Get rid of CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS Bin Meng
2017-06-17 3:44 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 12/20] configs: Remove CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS in all boards Bin Meng
2017-06-16 14:06 ` Bin Meng
2017-06-21 12:13 ` Stefan Roese
2017-06-17 3:44 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 13/20] usb: ehci: Get rid of CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS Bin Meng
2017-06-17 3:44 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 14/20] configs: Remove CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS in all boards Bin Meng
2017-06-16 14:09 ` Bin Meng
2017-06-21 12:13 ` Stefan Roese
2017-06-17 3:44 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 15/20] usb: cmd: Print actual packet size for super speed devices Bin Meng
2017-06-17 3:44 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 16/20] usb: xhci: Convert CONFIG_USB_XHCI_PCI to Kconfig Bin Meng
2017-06-17 3:44 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 17/20] x86: minnowmax: Configure GPIO pins to turn on USB ports VBUS Bin Meng
2017-06-17 3:44 ` Simon Glass
2017-06-17 13:41 ` Bin Meng
2017-06-22 6:44 ` Bin Meng
2017-06-16 13:31 ` [U-Boot] [PATCH 18/20] x86: minnowmax: Add a environment variable for USB power-on delay Bin Meng
2017-06-17 3:44 ` Simon Glass
2017-06-16 13:31 ` [U-Boot] [PATCH 19/20] x86: minnowmax: Enable USB xHCI support Bin Meng
2017-06-17 3:44 ` Simon Glass
2017-06-17 13:43 ` Bin Meng
2017-06-16 13:31 ` [U-Boot] [PATCH 20/20] x86: Remove CONFIG_USB_MAX_CONTROLLER_COUNT Bin Meng
2017-06-17 3:45 ` Simon Glass
2017-06-22 6:44 ` Bin Meng
2017-06-16 13:42 ` [U-Boot] [PATCH 00/20] usb: xhci: Fix USB xHCI support on Intel platform Bin Meng
2017-06-16 14:21 ` Marek Vasut
2017-06-16 14:29 ` Stefan Roese
2017-06-21 9:28 ` Stefan Roese
2017-06-21 10:24 ` Bin Meng
2017-06-21 12:07 ` Stefan Roese
2017-06-21 12:44 ` Bin Meng
2017-06-22 6:32 ` Bin Meng
2017-06-21 12:10 ` Stefan Roese
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