diff options
Diffstat (limited to 'ARM-tegra-usb-no-reset.patch')
| -rw-r--r-- | ARM-tegra-usb-no-reset.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/ARM-tegra-usb-no-reset.patch b/ARM-tegra-usb-no-reset.patch new file mode 100644 index 000000000..004d7e823 --- /dev/null +++ b/ARM-tegra-usb-no-reset.patch @@ -0,0 +1,32 @@ +From 8820ddd6eefc70f2780b8fc06741de6e05ccd019 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 8a4dcbc7a75f..8ab01fbcc6a9 100644 +--- a/drivers/usb/core/hub.c ++++ b/drivers/usb/core/hub.c +@@ -5031,6 +5031,13 @@ static void hub_events(void) + (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); +-- +1.9.3 + |