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25 lines
782 B
Plaintext
25 lines
782 B
Plaintext
$NetBSD: patch-ag,v 1.7 2014/10/07 15:10:29 mef Exp $
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Work around AVRISP mkII initial sync stalls on NetBSD.
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--- usb_libusb.c.orig 2014-03-13 08:03:19.000000000 +0900
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+++ usb_libusb.c 2014-10-08 00:01:40.000000000 +0900
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@@ -324,6 +324,17 @@ static void usbdev_close(union filedescr
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if (udev == NULL)
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return;
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+#if defined(__NetBSD__)
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+#define USB_FEAT_ENDPOINT_HALT 0
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+ /*
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+ * Clear Feature Endpoint Halt to reset device's data toggle to DATA0.
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+ * This way, when we reopen expecting DATA0, things don't time out.
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+ */
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+ usb_control_msg(udev, USB_TYPE_STANDARD | USB_RECIP_ENDPOINT,
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+ USB_REQ_CLEAR_FEATURE, USB_FEAT_ENDPOINT_HALT,
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+ fd->usb.rep & 0xf, NULL, 0, 100);
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+#endif
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+
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(void)usb_release_interface(udev, usb_interface);
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#if defined(__linux__)
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