From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Mathias Nyman <mathias.nyman@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ikjoon Jang <ikjn@chromium.org>
Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
<linux-usb@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Nicolas Boichat <drinkcat@chromium.org>,
Eddie Hung <eddie.hung@mediatek.com>,
Sergei Shtylyov <sergei.shtylyov@gmail.com>,
Alan Stern <stern@rowland.harvard.edu>
Subject: [PATCH v2 07/18] usb: xhci-mtk: add a function to get bandwidth boundary
Date: Mon, 8 Mar 2021 10:51:56 +0800 [thread overview]
Message-ID: <805b3ba66c2f02a52de4440212519aaa58463039.1615170625.git.chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <d287899e6beb2fc1bfb8900c75a872f628ecde55.1615170625.git.chunfeng.yun@mediatek.com>
This is used to simplify unit test.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v2: no changes
---
drivers/usb/host/xhci-mtk-sch.c | 27 ++++++++++++++++++++-------
1 file changed, 20 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index 9a9685f74940..8fe4481eb43d 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -37,6 +37,25 @@ static int is_fs_or_ls(enum usb_device_speed speed)
return speed == USB_SPEED_FULL || speed == USB_SPEED_LOW;
}
+static u32 get_bw_boundary(enum usb_device_speed speed)
+{
+ u32 boundary;
+
+ switch (speed) {
+ case USB_SPEED_SUPER_PLUS:
+ boundary = SSP_BW_BOUNDARY;
+ break;
+ case USB_SPEED_SUPER:
+ boundary = SS_BW_BOUNDARY;
+ break;
+ default:
+ boundary = HS_BW_BOUNDARY;
+ break;
+ }
+
+ return boundary;
+}
+
/*
* get the index of bandwidth domains array which @ep belongs to.
*
@@ -579,13 +598,7 @@ static int check_sch_bw(struct usb_device *udev,
break;
}
- if (udev->speed == USB_SPEED_SUPER_PLUS)
- bw_boundary = SSP_BW_BOUNDARY;
- else if (udev->speed == USB_SPEED_SUPER)
- bw_boundary = SS_BW_BOUNDARY;
- else
- bw_boundary = HS_BW_BOUNDARY;
-
+ bw_boundary = get_bw_boundary(udev->speed);
/* check bandwidth */
if (min_bw > bw_boundary)
return -ERANGE;
--
2.18.0
next prev parent reply other threads:[~2021-03-08 2:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-08 2:51 [PATCH v2 01/18] usb: xhci-mtk: remove or operator for setting schedule parameters Chunfeng Yun
2021-03-08 2:51 ` [PATCH v2 02/18] usb: xhci-mtk: improve bandwidth scheduling with TT Chunfeng Yun
2021-03-08 2:51 ` [PATCH v2 03/18] usb: xhci-mtk: get the microframe boundary for ESIT Chunfeng Yun
2021-03-08 2:51 ` [PATCH v2 04/18] usb: xhci-mtk: add only one extra CS for FS/LS INTR Chunfeng Yun
2021-03-08 2:51 ` [PATCH v2 05/18] usb: xhci-mtk: use @sch_tt to check whether need do TT schedule Chunfeng Yun
2021-03-08 2:51 ` [PATCH v2 06/18] usb: xhci-mtk: add a function to (un)load bandwidth info Chunfeng Yun
2021-03-08 2:51 ` Chunfeng Yun [this message]
2021-03-08 2:51 ` [PATCH v2 08/18] usb: xhci-mtk: remove unnecessary members of mu3h_sch_tt struct Chunfeng Yun
2021-03-08 2:51 ` [PATCH v2 09/18] usb: xhci-mtk: use clear type instead of void Chunfeng Yun
2021-03-08 2:51 ` [PATCH v2 10/18] usb: xhci-mtk: add a member @speed in mu3h_sch_ep_info struct Chunfeng Yun
2021-03-08 2:52 ` [PATCH v2 11/18] usb: xhci-mtk: use @tt_info to check the FS/LS device is under a HS hub Chunfeng Yun
2021-03-08 2:52 ` [PATCH v2 12/18] usb: xhci-mtk: rebuild the way to get bandwidth domain Chunfeng Yun
2021-03-08 2:52 ` [PATCH v2 13/18] usb: xhci-mtk: add some schedule error number Chunfeng Yun
2021-03-08 2:52 ` [PATCH v2 14/18] usb: xhci-mtk: remove declaration of xhci_mtk_setup() Chunfeng Yun
2021-03-08 2:52 ` [PATCH v2 15/18] usb: xhci-mtk: support to build xhci-mtk-hcd.ko Chunfeng Yun
2021-03-08 11:06 ` Mathias Nyman
2021-03-08 2:52 ` [PATCH v2 16/18] usb: common: add function to get interval expressed in us unit Chunfeng Yun
2021-03-08 16:22 ` Alan Stern
2021-03-08 2:52 ` [PATCH v2 17/18] usb: xhci-mtk: print debug info of endpoint interval Chunfeng Yun
2021-03-08 2:52 ` [PATCH v2 18/18] usb: common: move function's kerneldoc next to its definition Chunfeng Yun
2021-03-08 13:25 ` Greg Kroah-Hartman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=805b3ba66c2f02a52de4440212519aaa58463039.1615170625.git.chunfeng.yun@mediatek.com \
--to=chunfeng.yun@mediatek.com \
--cc=drinkcat@chromium.org \
--cc=eddie.hung@mediatek.com \
--cc=gregkh@linuxfoundation.org \
--cc=ikjn@chromium.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=linux-usb@vger.kernel.org \
--cc=mathias.nyman@intel.com \
--cc=matthias.bgg@gmail.com \
--cc=sergei.shtylyov@gmail.com \
--cc=stern@rowland.harvard.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).