diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2020-09-08 18:59:55 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2020-10-01 19:43:05 +0200 |
| commit | 719d7d8df41d2f20be599c38c3ab3e7a904c92c6 (patch) | |
| tree | 0f0f7e1d6d8b5c20271d42f2a9680f626565b4ed | |
| parent | 26acc6395fee680cea72e51348bd59e206eb0464 (diff) | |
usb: xhci: add a member hci_version in xhci_ctrl struct
Add a member to save xHCI version, it's used some times.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 4 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 1 | ||||
| -rw-r--r-- | include/usb/xhci.h | 1 |
3 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 092ed6eaf1..79bfc349f4 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -682,7 +682,7 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, field |= TRB_ISP; /* Set the TRB length, TD size, and interrupter fields. */ - if (HC_VERSION(xhci_readl(&ctrl->hccr->cr_capbase)) < 0x100) + if (ctrl->hci_version < 0x100) remainder = xhci_td_remainder(length - running_total); else remainder = xhci_v1_0_td_remainder(running_total, @@ -830,7 +830,7 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, field |= 0x1; /* xHCI 1.0 6.4.1.2.1: Transfer Type field */ - if (HC_VERSION(xhci_readl(&ctrl->hccr->cr_capbase)) >= 0x100) { + if (ctrl->hci_version >= 0x100) { if (length > 0) { if (req->requesttype & USB_DIR_IN) field |= (TRB_DATA_IN << TRB_TX_TYPE_SHIFT); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 126dabc11b..4be1411243 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1283,6 +1283,7 @@ static int xhci_lowlevel_init(struct xhci_ctrl *ctrl) reg = HC_VERSION(xhci_readl(&hccr->cr_capbase)); printf("USB XHCI %x.%02x\n", reg >> 8, reg & 0xff); + ctrl->hci_version = reg; return 0; } diff --git a/include/usb/xhci.h b/include/usb/xhci.h index 7d34103fd5..a3e5914b10 100644 --- a/include/usb/xhci.h +++ b/include/usb/xhci.h @@ -1227,6 +1227,7 @@ struct xhci_ctrl { struct xhci_scratchpad *scratchpad; struct xhci_virt_device *devs[MAX_HC_SLOTS]; int rootdev; + u16 hci_version; }; unsigned long trb_addr(struct xhci_segment *seg, union xhci_trb *trb); |