mirror of
https://github.com/openwrt/openwrt.git
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2c35899d81
All modification made by update_kernel.sh in a fresh clone without
existing toolchains.
Build system: x86_64
Build-tested: ipq806x/R7800, bcm27xx/bcm2711
Run-tested: ipq806x/R7800
Compile-tested [*]: ath79/{tiny,generic}, ipq40xx, octeon,
ramips/mt7621, realtek, x86/64
Run-tested [*]: ath79/generic, ipq40xx, octeon, ramips/mt7621
No dmesg regressions, everything functional
Signed-off-by: John Audia <graysky@archlinux.us>
Tested-by: Stijn Segers <foss@volatilesystems.org> [*]
365 lines
10 KiB
Diff
365 lines
10 KiB
Diff
From d4806e4f103895387dc679fe53e1f4a5d41391bf Mon Sep 17 00:00:00 2001
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From: Peter Chen <peter.chen@nxp.com>
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Date: Thu, 18 Jan 2018 11:03:24 +0800
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Subject: [PATCH] MLK-17380-3 usb: move EH SINGLE_STEP_SET_FEATURE implement to
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core
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Since other USB 2.0 host may need it, like USB2 for XHCI. We move
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this design to HCD core.
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Acked-by: Jun Li <jun.li@nxp.com>
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Signed-off-by: Peter Chen <peter.chen@nxp.com>
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(cherry picked from commit 035a27e1a3088261f40f77534aaccfe5825c2f96)
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---
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drivers/usb/core/hcd.c | 134 ++++++++++++++++++++++++++++++++++++++++++
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drivers/usb/host/ehci-hcd.c | 4 ++
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drivers/usb/host/ehci-hub.c | 139 --------------------------------------------
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drivers/usb/host/ehci-q.c | 2 +-
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include/linux/usb/hcd.h | 13 ++++-
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5 files changed, 151 insertions(+), 141 deletions(-)
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--- a/drivers/usb/core/hcd.c
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+++ b/drivers/usb/core/hcd.c
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@@ -2104,6 +2104,140 @@ int usb_hcd_get_frame_number (struct usb
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}
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/*-------------------------------------------------------------------------*/
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+#ifdef CONFIG_USB_HCD_TEST_MODE
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+
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+static void usb_ehset_completion(struct urb *urb)
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+{
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+ struct completion *done = urb->context;
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+
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+ complete(done);
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+}
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+/*
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+ * Allocate and initialize a control URB. This request will be used by the
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+ * EHSET SINGLE_STEP_SET_FEATURE test in which the DATA and STATUS stages
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+ * of the GetDescriptor request are sent 15 seconds after the SETUP stage.
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+ * Return NULL if failed.
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+ */
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+static struct urb *request_single_step_set_feature_urb(
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+ struct usb_device *udev,
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+ void *dr,
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+ void *buf,
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+ struct completion *done
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+) {
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+ struct urb *urb;
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+ struct usb_hcd *hcd = bus_to_hcd(udev->bus);
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+ struct usb_host_endpoint *ep;
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+
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+ urb = usb_alloc_urb(0, GFP_KERNEL);
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+ if (!urb)
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+ return NULL;
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+
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+ urb->pipe = usb_rcvctrlpipe(udev, 0);
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+ ep = (usb_pipein(urb->pipe) ? udev->ep_in : udev->ep_out)
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+ [usb_pipeendpoint(urb->pipe)];
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+ if (!ep) {
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+ usb_free_urb(urb);
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+ return NULL;
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+ }
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+
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+ urb->ep = ep;
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+ urb->dev = udev;
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+ urb->setup_packet = (void *)dr;
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+ urb->transfer_buffer = buf;
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+ urb->transfer_buffer_length = USB_DT_DEVICE_SIZE;
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+ urb->complete = usb_ehset_completion;
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+ urb->status = -EINPROGRESS;
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+ urb->actual_length = 0;
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+ urb->transfer_flags = URB_DIR_IN;
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+ usb_get_urb(urb);
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+ atomic_inc(&urb->use_count);
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+ atomic_inc(&urb->dev->urbnum);
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+ urb->setup_dma = dma_map_single(
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+ hcd->self.sysdev,
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+ urb->setup_packet,
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+ sizeof(struct usb_ctrlrequest),
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+ DMA_TO_DEVICE);
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+ urb->transfer_dma = dma_map_single(
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+ hcd->self.sysdev,
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+ urb->transfer_buffer,
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+ urb->transfer_buffer_length,
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+ DMA_FROM_DEVICE);
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+ urb->context = done;
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+ return urb;
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+}
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+
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+int ehset_single_step_set_feature(struct usb_hcd *hcd, int port)
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+{
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+ int retval = -ENOMEM;
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+ struct usb_ctrlrequest *dr;
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+ struct urb *urb;
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+ struct usb_device *udev;
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+ struct usb_device_descriptor *buf;
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+ DECLARE_COMPLETION_ONSTACK(done);
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+
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+ /* Obtain udev of the rhub's child port */
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+ udev = usb_hub_find_child(hcd->self.root_hub, port);
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+ if (!udev) {
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+ dev_err(hcd->self.controller, "No device attached to the RootHub\n");
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+ return -ENODEV;
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+ }
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+ buf = kmalloc(USB_DT_DEVICE_SIZE, GFP_KERNEL);
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+ if (!buf)
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+ return -ENOMEM;
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+
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+ dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
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+ if (!dr) {
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+ kfree(buf);
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+ return -ENOMEM;
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+ }
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+
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+ /* Fill Setup packet for GetDescriptor */
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+ dr->bRequestType = USB_DIR_IN;
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+ dr->bRequest = USB_REQ_GET_DESCRIPTOR;
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+ dr->wValue = cpu_to_le16(USB_DT_DEVICE << 8);
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+ dr->wIndex = 0;
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+ dr->wLength = cpu_to_le16(USB_DT_DEVICE_SIZE);
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+ urb = request_single_step_set_feature_urb(udev, dr, buf, &done);
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+ if (!urb)
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+ goto cleanup;
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+
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+ /* Submit just the SETUP stage */
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+ retval = hcd->driver->submit_single_step_set_feature(hcd, urb, 1);
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+ if (retval)
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+ goto out1;
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+ if (!wait_for_completion_timeout(&done, msecs_to_jiffies(2000))) {
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+ usb_kill_urb(urb);
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+ retval = -ETIMEDOUT;
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+ dev_err(hcd->self.controller,
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+ "%s SETUP stage timed out on ep0\n", __func__);
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+ goto out1;
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+ }
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+ msleep(15 * 1000);
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+
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+ /* Complete remaining DATA and STATUS stages using the same URB */
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+ urb->status = -EINPROGRESS;
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+ usb_get_urb(urb);
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+ atomic_inc(&urb->use_count);
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+ atomic_inc(&urb->dev->urbnum);
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+ retval = hcd->driver->submit_single_step_set_feature(hcd, urb, 0);
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+ if (!retval && !wait_for_completion_timeout(&done,
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+ msecs_to_jiffies(2000))) {
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+ usb_kill_urb(urb);
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+ retval = -ETIMEDOUT;
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+ dev_err(hcd->self.controller,
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+ "%s IN stage timed out on ep0\n", __func__);
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+ }
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+out1:
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+ usb_free_urb(urb);
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+cleanup:
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+ kfree(dr);
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+ kfree(buf);
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+ return retval;
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+}
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+EXPORT_SYMBOL_GPL(ehset_single_step_set_feature);
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+#endif /* CONFIG_USB_HCD_TEST_MODE */
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+
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+/*-------------------------------------------------------------------------*/
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#ifdef CONFIG_PM
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--- a/drivers/usb/host/ehci-hcd.c
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+++ b/drivers/usb/host/ehci-hcd.c
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@@ -1245,6 +1245,10 @@ static const struct hc_driver ehci_hc_dr
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* device support
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*/
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.free_dev = ehci_remove_device,
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+#ifdef CONFIG_USB_HCD_TEST_MODE
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+ /* EH SINGLE_STEP_SET_FEATURE test support */
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+ .submit_single_step_set_feature = ehci_submit_single_step_set_feature,
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+#endif
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};
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void ehci_init_driver(struct hc_driver *drv,
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--- a/drivers/usb/host/ehci-hub.c
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+++ b/drivers/usb/host/ehci-hub.c
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@@ -727,145 +727,6 @@ ehci_hub_descriptor (
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}
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/*-------------------------------------------------------------------------*/
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-#ifdef CONFIG_USB_HCD_TEST_MODE
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-
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-#define EHSET_TEST_SINGLE_STEP_SET_FEATURE 0x06
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-
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-static void usb_ehset_completion(struct urb *urb)
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-{
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- struct completion *done = urb->context;
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-
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- complete(done);
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-}
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-static int submit_single_step_set_feature(
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- struct usb_hcd *hcd,
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- struct urb *urb,
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- int is_setup
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-);
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-
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-/*
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- * Allocate and initialize a control URB. This request will be used by the
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- * EHSET SINGLE_STEP_SET_FEATURE test in which the DATA and STATUS stages
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- * of the GetDescriptor request are sent 15 seconds after the SETUP stage.
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- * Return NULL if failed.
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- */
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-static struct urb *request_single_step_set_feature_urb(
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- struct usb_device *udev,
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- void *dr,
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- void *buf,
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- struct completion *done
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-) {
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- struct urb *urb;
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- struct usb_hcd *hcd = bus_to_hcd(udev->bus);
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- struct usb_host_endpoint *ep;
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-
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- urb = usb_alloc_urb(0, GFP_KERNEL);
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- if (!urb)
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- return NULL;
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-
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- urb->pipe = usb_rcvctrlpipe(udev, 0);
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- ep = (usb_pipein(urb->pipe) ? udev->ep_in : udev->ep_out)
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- [usb_pipeendpoint(urb->pipe)];
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- if (!ep) {
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- usb_free_urb(urb);
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- return NULL;
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- }
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-
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- urb->ep = ep;
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- urb->dev = udev;
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- urb->setup_packet = (void *)dr;
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- urb->transfer_buffer = buf;
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- urb->transfer_buffer_length = USB_DT_DEVICE_SIZE;
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- urb->complete = usb_ehset_completion;
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- urb->status = -EINPROGRESS;
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- urb->actual_length = 0;
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- urb->transfer_flags = URB_DIR_IN;
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- usb_get_urb(urb);
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- atomic_inc(&urb->use_count);
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- atomic_inc(&urb->dev->urbnum);
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- urb->setup_dma = dma_map_single(
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- hcd->self.sysdev,
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- urb->setup_packet,
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- sizeof(struct usb_ctrlrequest),
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- DMA_TO_DEVICE);
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- urb->transfer_dma = dma_map_single(
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- hcd->self.sysdev,
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- urb->transfer_buffer,
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- urb->transfer_buffer_length,
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- DMA_FROM_DEVICE);
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- urb->context = done;
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- return urb;
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-}
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-
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-static int ehset_single_step_set_feature(struct usb_hcd *hcd, int port)
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-{
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- int retval = -ENOMEM;
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- struct usb_ctrlrequest *dr;
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- struct urb *urb;
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- struct usb_device *udev;
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- struct ehci_hcd *ehci = hcd_to_ehci(hcd);
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- struct usb_device_descriptor *buf;
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- DECLARE_COMPLETION_ONSTACK(done);
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-
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- /* Obtain udev of the rhub's child port */
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- udev = usb_hub_find_child(hcd->self.root_hub, port);
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- if (!udev) {
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- ehci_err(ehci, "No device attached to the RootHub\n");
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- return -ENODEV;
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- }
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- buf = kmalloc(USB_DT_DEVICE_SIZE, GFP_KERNEL);
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- if (!buf)
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- return -ENOMEM;
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-
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- dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
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- if (!dr) {
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- kfree(buf);
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- return -ENOMEM;
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- }
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-
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- /* Fill Setup packet for GetDescriptor */
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- dr->bRequestType = USB_DIR_IN;
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- dr->bRequest = USB_REQ_GET_DESCRIPTOR;
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- dr->wValue = cpu_to_le16(USB_DT_DEVICE << 8);
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- dr->wIndex = 0;
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- dr->wLength = cpu_to_le16(USB_DT_DEVICE_SIZE);
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- urb = request_single_step_set_feature_urb(udev, dr, buf, &done);
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- if (!urb)
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- goto cleanup;
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-
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- /* Submit just the SETUP stage */
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- retval = submit_single_step_set_feature(hcd, urb, 1);
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- if (retval)
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- goto out1;
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- if (!wait_for_completion_timeout(&done, msecs_to_jiffies(2000))) {
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- usb_kill_urb(urb);
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- retval = -ETIMEDOUT;
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- ehci_err(ehci, "%s SETUP stage timed out on ep0\n", __func__);
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- goto out1;
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- }
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- msleep(15 * 1000);
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-
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- /* Complete remaining DATA and STATUS stages using the same URB */
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- urb->status = -EINPROGRESS;
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- usb_get_urb(urb);
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- atomic_inc(&urb->use_count);
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- atomic_inc(&urb->dev->urbnum);
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- retval = submit_single_step_set_feature(hcd, urb, 0);
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- if (!retval && !wait_for_completion_timeout(&done,
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- msecs_to_jiffies(2000))) {
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- usb_kill_urb(urb);
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- retval = -ETIMEDOUT;
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- ehci_err(ehci, "%s IN stage timed out on ep0\n", __func__);
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- }
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-out1:
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- usb_free_urb(urb);
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-cleanup:
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- kfree(dr);
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- kfree(buf);
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- return retval;
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-}
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-#endif /* CONFIG_USB_HCD_TEST_MODE */
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-/*-------------------------------------------------------------------------*/
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int ehci_hub_control(
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struct usb_hcd *hcd,
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--- a/drivers/usb/host/ehci-q.c
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+++ b/drivers/usb/host/ehci-q.c
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@@ -1165,7 +1165,7 @@ submit_async (
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* performed; TRUE - SETUP and FALSE - IN+STATUS
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* Returns 0 if success
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*/
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-static int submit_single_step_set_feature(
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+static int ehci_submit_single_step_set_feature(
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struct usb_hcd *hcd,
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struct urb *urb,
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int is_setup
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--- a/include/linux/usb/hcd.h
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+++ b/include/linux/usb/hcd.h
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@@ -409,7 +409,10 @@ struct hc_driver {
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int (*find_raw_port_number)(struct usb_hcd *, int);
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/* Call for power on/off the port if necessary */
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int (*port_power)(struct usb_hcd *hcd, int portnum, bool enable);
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-
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+ /* Call for SINGLE_STEP_SET_FEATURE Test for USB2 EH certification */
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+#define EHSET_TEST_SINGLE_STEP_SET_FEATURE 0x06
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+ int (*submit_single_step_set_feature)(struct usb_hcd *,
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+ struct urb *, int);
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};
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static inline int hcd_giveback_urb_in_bh(struct usb_hcd *hcd)
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@@ -474,6 +477,14 @@ int usb_hcd_setup_local_mem(struct usb_h
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struct platform_device;
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extern void usb_hcd_platform_shutdown(struct platform_device *dev);
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+#ifdef CONFIG_USB_HCD_TEST_MODE
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+extern int ehset_single_step_set_feature(struct usb_hcd *hcd, int port);
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+#else
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+static inline int ehset_single_step_set_feature(struct usb_hcd *hcd, int port)
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+{
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+ return 0;
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+}
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+#endif /* CONFIG_USB_HCD_TEST_MODE */
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#ifdef CONFIG_USB_PCI
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struct pci_dev;
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