add patch fro tegra systems so that usb-storage doesnt reset and rootfs fdoesnt drop out, this needs a better fix.
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From 6b0cbdfaf589e6f39ab7588ed1047d1a55224eb9 Mon Sep 17 00:00:00 2001
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From: Mike Rapoport <mike@compulab.co.il>
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Date: Mon, 11 Apr 2011 10:33:20 +0300
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Subject: [PATCH] BUGFIX: don't allow disconnection of USB-SATA on TrimSlice
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---
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drivers/usb/core/hub.c | 7 +++++++
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1 files changed, 7 insertions(+), 0 deletions(-)
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diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
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index 566c183..74b5165 100644
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--- a/drivers/usb/core/hub.c
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+++ b/drivers/usb/core/hub.c
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@@ -3263,6 +3263,13 @@ static void hub_events(void)
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(u16) hub->change_bits[0],
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(u16) hub->event_bits[0]);
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+ /* Don't disconnect USB-SATA on TrimSlice */
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+ if (strcmp(dev_name(hdev->bus->controller), "tegra-ehci.0") == 0) {
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+ if ((hdev->state == 7) && (hub->change_bits[0] == 0) &&
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+ (hub->event_bits[0] == 0x2))
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+ hub->event_bits[0] = 0;
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+ }
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+
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/* Lock the device, then check to see if we were
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* disconnected while waiting for the lock to succeed. */
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usb_lock_device(hdev);
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--
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1.7.6
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@ -675,6 +675,7 @@ Patch20000: utrace.patch
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# Flattened devicetree support
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Patch21000: arm-omap-dt-compat.patch
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Patch21001: arm-smsc-support-reading-mac-address-from-device-tree.patch
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Patch21002: arm-tegra-usb-no-reset.patch
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#rhbz #735946
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Patch21020: 0001-mm-vmscan-Limit-direct-reclaim-for-higher-order-allo.patch
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@ -1140,6 +1141,7 @@ ApplyOptionalPatch linux-2.6-upstream-reverts.patch -R
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#
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ApplyPatch arm-omap-dt-compat.patch
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ApplyPatch arm-smsc-support-reading-mac-address-from-device-tree.patch
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ApplyPatch arm-tegra-usb-no-reset.patch
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ApplyPatch taint-vbox.patch
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#
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