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 17/17] usb: xhci-mtk: print debug info of endpoint interval
Date: Fri, 5 Mar 2021 17:02:55 +0800 [thread overview]
Message-ID: <1614934975-15188-17-git-send-email-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <1614934975-15188-1-git-send-email-chunfeng.yun@mediatek.com>
Print bInterval and convert it into the time expressed in
us or ms unit, this is the key info when allocate bandwidth
failed.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
drivers/usb/host/xhci-mtk-sch.c | 37 ++++++++++++++++++++++++++-------
1 file changed, 29 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index 4f6b86131820..03da55bc7f9b 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -25,6 +25,8 @@
*/
#define TT_MICROFRAMES_MAX 9
+#define DBG_BUF_EN 64
+
/* schedule error type */
#define ESCH_SS_Y6 1001
#define ESCH_SS_OVERLAP 1002
@@ -62,6 +64,31 @@ static int is_fs_or_ls(enum usb_device_speed speed)
return speed == USB_SPEED_FULL || speed == USB_SPEED_LOW;
}
+static const char *
+decode_ep(struct usb_host_endpoint *ep, enum usb_device_speed speed)
+{
+ static char buf[DBG_BUF_EN];
+ struct usb_endpoint_descriptor *epd = &ep->desc;
+ unsigned int interval;
+ const char *unit;
+
+ interval = usb_decode_interval(epd, speed);
+ if (interval % 1000) {
+ unit = "us";
+ } else {
+ unit = "ms";
+ interval /= 1000;
+ }
+
+ snprintf(buf, DBG_BUF_EN, "%s ep%d%s %s, mpkt:%d, interval:%d/%d%s\n",
+ usb_speed_string(speed), usb_endpoint_num(epd),
+ usb_endpoint_dir_in(epd) ? "in" : "out",
+ usb_ep_type_string(usb_endpoint_type(epd)),
+ usb_endpoint_maxp(epd), epd->bInterval, interval, unit);
+
+ return buf;
+}
+
static u32 get_bw_boundary(enum usb_device_speed speed)
{
u32 boundary;
@@ -711,10 +738,7 @@ static int add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
ep_index = xhci_get_endpoint_index(&ep->desc);
ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index);
- xhci_dbg(xhci, "%s() type:%d, speed:%d, mpkt:%d, dir:%d, ep:%p\n",
- __func__, usb_endpoint_type(&ep->desc), udev->speed,
- usb_endpoint_maxp(&ep->desc),
- usb_endpoint_dir_in(&ep->desc), ep);
+ xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info)) {
/*
@@ -750,10 +774,7 @@ static void drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
virt_dev = xhci->devs[udev->slot_id];
- xhci_dbg(xhci, "%s() type:%d, speed:%d, mpks:%d, dir:%d, ep:%p\n",
- __func__, usb_endpoint_type(&ep->desc), udev->speed,
- usb_endpoint_maxp(&ep->desc),
- usb_endpoint_dir_in(&ep->desc), ep);
+ xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info))
return;
--
2.18.0
prev parent reply other threads:[~2021-03-05 9:04 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 ` [PATCH 07/17] usb: xhci-mtk: add a function to get bandwidth boundary Chunfeng Yun
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 ` Chunfeng Yun [this message]
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