| From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |
| From: Peter Robinson <pbrobinson@gmail.com> |
| Date: Thu, 3 May 2012 20:27:11 +0100 |
| Subject: [PATCH] ARM: tegra: usb no reset |
| |
| Patch for disconnect issues with storage attached to a |
| tegra-ehci controller |
| |
| drivers/usb/core/hub.c | 7 +++++++ |
| 1 file changed, 7 insertions(+) |
| |
| diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c |
| index 052d5accfe9b..fac58cf619da 100644 |
| |
| |
| @@ -5517,6 +5517,13 @@ static void hub_event(struct work_struct *work) |
| (u16) hub->change_bits[0], |
| (u16) hub->event_bits[0]); |
| |
| + /* Don't disconnect USB-SATA on TrimSlice */ |
| + if (strcmp(dev_name(hdev->bus->controller), "tegra-ehci.0") == 0) { |
| + if ((hdev->state == 7) && (hub->change_bits[0] == 0) && |
| + (hub->event_bits[0] == 0x2)) |
| + hub->event_bits[0] = 0; |
| + } |
| + |
| /* Lock the device, then check to see if we were |
| * disconnected while waiting for the lock to succeed. */ |
| usb_lock_device(hdev); |
| -- |
| 2.28.0 |
| |