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authorBin Meng2017-07-19 21:50:03 +0800
committerMarek Vasut2017-07-28 23:34:22 +0200
commit7274671e045ec78a0023949d99c26ae6b98b7a8e (patch)
treeabe7835416702615e945e158975fd1140adcebf0 /drivers
parent1bdcd9019d576b2637393e0b1ec65eab67a7c82f (diff)
usb: xhci: Get rid of CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS
xHC reports supported maximum number of ports in the HCSPARAMS1 register, so it's unnecessary to use a hardcoded config option CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS. 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.c8
-rw-r--r--drivers/usb/host/xhci.h4
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index d5a1b3402fe..62ab62b31b9 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -668,12 +668,14 @@ static int xhci_submit_root(struct usb_device *udev, unsigned long pipe,
uint32_t reg;
volatile uint32_t *status_reg;
struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
+ struct xhci_hccr *hccr = ctrl->hccr;
struct xhci_hcor *hcor = ctrl->hcor;
+ int max_ports = HCS_MAX_PORTS(xhci_readl(&hccr->cr_hcsparams1));
if ((req->requesttype & USB_RT_PORT) &&
- le16_to_cpu(req->index) > CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS) {
- printf("The request port(%d) is not configured\n",
- le16_to_cpu(req->index) - 1);
+ le16_to_cpu(req->index) > max_ports) {
+ printf("The request port(%d) exceeds maximum port number\n",
+ le16_to_cpu(req->index) - 1);
return -EINVAL;
}
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 3cf08e4207b..b9602baa747 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -172,9 +172,7 @@ struct xhci_hcor {
volatile uint64_t or_dcbaap;
volatile uint32_t or_config;
volatile uint32_t reserved_2[241];
- struct xhci_hcor_port_regs portregs[CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS];
-
- uint32_t reserved_4[CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS * 254];
+ struct xhci_hcor_port_regs portregs[MAX_HC_PORTS];
};
/* USBCMD - USB command - command bitmasks */