[PATCH 08/17] usb: xhci-mtk: remove unnecessary members of mu3h_sch_tt struct

Chunfeng Yun
2021-03-05T09:04:06Z

The members @usb_tt and @tt_port in mu3h_sch_tt struct
are not used after initialization, so can be removed

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
drivers/usb/host/xhci-mtk-sch.c | 7 +------
drivers/usb/host/xhci-mtk.h | 4 ----
2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index cb597357f134..1e8af5973a5e 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -104,7 +104,6 @@ static struct mu3h_sch_tt *find_tt(struct usb_device *udev)
{
struct usb_tt *utt = udev->tt;
struct mu3h_sch_tt *tt, **tt_index, **ptt;
- unsigned int port;
bool allocated_index = false;

if (!utt)
@@ -126,10 +125,8 @@ static struct mu3h_sch_tt *find_tt(struct usb_device *udev)
utt->hcpriv = tt_index;
allocated_index = true;
}
- port = udev->ttport - 1;
- ptt = &tt_index[port];
+ ptt = &tt_index[udev->ttport - 1];
} else {
- port = 0;
ptt = (struct mu3h_sch_tt **) &utt->hcpriv;
}

@@ -144,8 +141,6 @@ static struct mu3h_sch_tt *find_tt(struct usb_device *udev)
return ERR_PTR(-ENOMEM);
}
INIT_LIST_HEAD(&tt->ep_list);
- tt->usb_tt = utt;
- tt->tt_port = port;
*ptt = tt;
}

diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h
index f42769c69249..f61e53b02706 100644
--- a/drivers/usb/host/xhci-mtk.h
+++ b/drivers/usb/host/xhci-mtk.h
@@ -23,15 +23,11 @@
* @ss_bit_map: used to avoid start split microframes overlay
* @fs_bus_bw: array to keep track of bandwidth already used for FS
* @ep_list: Endpoints using this TT
- * @usb_tt: usb TT related
- * @tt_port: TT port number
*/
struct mu3h_sch_tt {
DECLARE_BITMAP(ss_bit_map, XHCI_MTK_MAX_ESIT);
u32 fs_bus_bw[XHCI_MTK_MAX_ESIT];
struct list_head ep_list;
- struct usb_tt *usb_tt;
- int tt_port;
};

/**
--
2.18.0