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FROMGIT: usb: xhci-mtk: remove unnecessary members of mu3h_sch_tt struct

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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>
Link: https://lore.kernel.org/r/9afecc2411895a3c76658df26ebca1c961a39fbb.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 477466fa9ed3dd0afbf7c83d779b13b7fb46c6c8
 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-next)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9c294b9eaf0d8bc4a77807c954249b9208bd5de3
This commit is contained in:
Chunfeng Yun
2021-03-08 10:51:57 +08:00
committed by Greg Kroah-Hartman
parent 68ae7f008d
commit d9e1058761
2 changed files with 1 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/usb/host/xhci-mtk-sch.c
View File

@@ -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;
}

4
drivers/usb/host/xhci-mtk.h
View File

@@ -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;
};
/**