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>
Subject: [PATCH 07/17] usb: xhci-mtk: add a function to get bandwidth boundary
Date: Fri, 5 Mar 2021 17:02:45 +0800 [thread overview]
Message-ID: <1614934975-15188-7-git-send-email-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <1614934975-15188-1-git-send-email-chunfeng.yun@mediatek.com>
This is used to simplify unit test.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
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 bef82c1f909d..cb597357f134 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
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next prev parent reply other threads:[~2021-03-05 9:14 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-05 9:02 [PATCH 01/17] usb: xhci-mtk: remove or operator for setting schedule parameters Chunfeng Yun
2021-03-05 9:02 ` [PATCH 02/17] usb: xhci-mtk: improve bandwidth scheduling with TT Chunfeng Yun
2021-03-05 9:02 ` [PATCH 03/17] usb: xhci-mtk: get the microframe boundary for ESIT Chunfeng Yun
2021-03-05 9:13 ` Sergei Shtylyov
2021-03-05 9:16 ` Greg Kroah-Hartman
2021-03-08 1:57 ` Chunfeng Yun
2021-03-05 9:02 ` [PATCH 04/17] usb: xhci-mtk: add only one extra CS for FS/LS INTR Chunfeng Yun
2021-03-05 9:02 ` [PATCH 05/17] usb: xhci-mtk: use @sch_tt to check whether need do TT schedule Chunfeng Yun
2021-03-05 9:02 ` [PATCH 06/17] usb: xhci-mtk: add a function to (un)load bandwidth info Chunfeng Yun
2021-03-05 9:02 ` Chunfeng Yun [this message]
2021-03-05 9:02 ` [PATCH 08/17] usb: xhci-mtk: remove unnecessary members of mu3h_sch_tt struct Chunfeng Yun
2021-03-05 9:02 ` [PATCH 09/17] usb: xhci-mtk: use clear type instead of void Chunfeng Yun
2021-03-05 9:02 ` [PATCH 10/17] usb: xhci-mtk: add a member @speed in mu3h_sch_ep_info struct Chunfeng Yun
2021-03-05 9:02 ` [PATCH 11/17] usb: xhci-mtk: use @tt_info to check the FS/LS device is under a HS hub Chunfeng Yun
2021-03-05 9:02 ` [PATCH 12/17] usb: xhci-mtk: rebuild the way to get bandwidth domain Chunfeng Yun
2021-03-05 9:02 ` [PATCH 13/17] usb: xhci-mtk: add some schedule error number Chunfeng Yun
2021-03-05 9:02 ` [PATCH 14/17] usb: xhci-mtk: remove declaration of xhci_mtk_setup() Chunfeng Yun
2021-03-05 9:02 ` [PATCH 15/17] usb: xhci-mtk: support to build xhci-mtk-hcd.ko Chunfeng Yun
2021-03-07 16:00 ` Greg Kroah-Hartman
2021-03-08 11:13 ` Mathias Nyman
2021-03-05 9:02 ` [PATCH 16/17] usb: common: add function to get interval expressed in us unit Chunfeng Yun
2021-03-05 15:33 ` Alan Stern
2021-03-05 15:47 ` Greg Kroah-Hartman
2021-03-08 2:02 ` Chunfeng Yun
2021-03-08 1:58 ` Chunfeng Yun
2021-03-05 9:02 ` [PATCH 17/17] usb: xhci-mtk: print debug info of endpoint interval Chunfeng Yun
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