linux-toradex.git/drivers/usb, branch tegra-11.2.10 Linux kernel for Apalis and Colibri modules arm: tegra: otg: Remove host stop 2011-07-06T10:28:16+00:00 Suresh Mangipudi smangipudi@nvidia.com 2011-07-04T05:44:19+00:00 868eff5bd918be16ce7181a9f7efeb3d061370c7 Remove the stop host call when device is entering suspend. Need to be detect the host device even after the device exits from LP state. Bug 835678 Change-Id: Icf32c828078bb0f42237f49373af25d0c768a301 Reviewed-on: http://git-master/r/39506 Reviewed-by: Suresh Mangipudi <smangipudi@nvidia.com> Tested-by: Suresh Mangipudi <smangipudi@nvidia.com> Reviewed-by: Rakesh Bodla <rbodla@nvidia.com> Reviewed-by: Hanumanth Venkateswa Moganty <vmoganty@nvidia.com> Reviewed-by: Alex Courbot <acourbot@nvidia.com> Tested-by: Alex Courbot <acourbot@nvidia.com> 
Remove the stop host call when device is entering suspend. Need to be
detect the host device even after the device exits from LP state.

Bug 835678

Change-Id: Icf32c828078bb0f42237f49373af25d0c768a301
Reviewed-on: http://git-master/r/39506
Reviewed-by: Suresh Mangipudi <smangipudi@nvidia.com>
Tested-by: Suresh Mangipudi <smangipudi@nvidia.com>
Reviewed-by: Rakesh Bodla <rbodla@nvidia.com>
Reviewed-by: Hanumanth Venkateswa Moganty <vmoganty@nvidia.com>
Reviewed-by: Alex Courbot <acourbot@nvidia.com>
Tested-by: Alex Courbot <acourbot@nvidia.com>
usb: ehci: tegra: fix hotplug issue on usb2 2011-07-06T10:28:09+00:00 Ken Chang kenc@nvidia.com 2011-07-01T07:35:06+00:00 894ef272deec269ccbf1caf2b9a5e4ce3bbf7a0f usb hotplug is supported only for UTMI phy. usb_phy_type should be carefully checked in ehci irq. bug 845612 Change-Id: I2fdc7c79b9816dd3465353375448b07f138ff950 Reviewed-on: http://git-master/r/39338 Tested-by: Ken Chang <kenc@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Reviewed-by: Yu-Fong (Foster) Cho <ycho@nvidia.com> Reviewed-by: ChihJen Hsu <chhsu@nvidia.com> 
usb hotplug is supported only for UTMI phy. usb_phy_type should be
carefully checked in ehci irq.

bug 845612

Change-Id: I2fdc7c79b9816dd3465353375448b07f138ff950
Reviewed-on: http://git-master/r/39338
Tested-by: Ken Chang <kenc@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Yu-Fong (Foster) Cho <ycho@nvidia.com>
Reviewed-by: ChihJen Hsu <chhsu@nvidia.com>
tegra: usb: prevent crash if irq occurs while sleeping 2011-06-29T10:43:23+00:00 Alexandre Courbot acourbot@nvidia.com 2011-06-27T07:53:12+00:00 d7b102eca117b41c0f244b292d076e574608c565 In some rare cases, EHCI irqs interrupts be triggered while the block is suspended. This is notably the case when unplugging a host cable to which no device is attached. In this case, the interrupt handler will be called with the block powered off, which will eventually crash. This patch workarounds this by returning from the interrupt handler immediatly if the block is not powered on. Change-Id: I7763f56f20a984e3db716306b6bf8ec223c90363 Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Reviewed-on: http://git-master/r/35604 Reviewed-by: Suresh Mangipudi <smangipudi@nvidia.com> Reviewed-by: Hanumanth Venkateswa Moganty <vmoganty@nvidia.com> 
In some rare cases, EHCI irqs interrupts be triggered while the block is
suspended. This is notably the case when unplugging a host cable to
which no device is attached. In this case, the interrupt handler will be
called with the block powered off, which will eventually crash. This
patch workarounds this by returning from the interrupt handler
immediatly if the block is not powered on.

Change-Id: I7763f56f20a984e3db716306b6bf8ec223c90363
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-on: http://git-master/r/35604
Reviewed-by: Suresh Mangipudi <smangipudi@nvidia.com>
Reviewed-by: Hanumanth Venkateswa Moganty <vmoganty@nvidia.com>
tegra: usb: fix ehci suspend in host mode 2011-06-21T17:03:37+00:00 Alexandre Courbot acourbot@nvidia.com 2011-06-07T06:24:49+00:00 88d6c27b5fb6122cfe21aa360c417f675f5f2797 When suspend is called and usb1 is in host mode, tegra_hci_remove is invoked to remove the device. However, at this time it is likely that runtime PM will have powered off usb1. This patch ensures usb1 is powered on if necessary within tegra_hci_remove so that ehci controller registers can be manipulated. Bug 835677. Change-Id: Ida9585ecb4fcc9a88786131a1b629905efd1a07a Reviewed-on: http://git-master/r/35592 Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com> Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com> 
When suspend is called and usb1 is in host mode, tegra_hci_remove is
invoked to remove the device. However, at this time it is likely that
runtime PM will have powered off usb1. This patch ensures usb1 is
powered on if necessary within tegra_hci_remove so that ehci controller
registers can be manipulated.

Bug 835677.

Change-Id: Ida9585ecb4fcc9a88786131a1b629905efd1a07a
Reviewed-on: http://git-master/r/35592
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
usb: ehci: tegra: Correctly handle GetPortStatus during Resume 2011-06-14T12:20:32+00:00 Nathan Connell w14185@motorola.com 2011-05-02T19:32:36+00:00 f4cd754c1af2bbc2101dd208fd4d3d0bf6368d26 Multiple GetPortStatus requests can be made while the USB bus is resuming. All requests must be handled properly to prevent incorrect disconnect detection during Resume and improper indentification of Resume signaling as a remote wakeup event. Bug 817128 (cherry-pick from 789333436de3878b2ea878d4c2c030af7ed481ce) Change-Id: If1a01a5883051290bdaf09537f737e5797209936 Signed-off-by: Nathan Connell <w14185@motorola.com> Reviewed-on: http://git-master/r/36311 Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com> Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com> 
Multiple GetPortStatus requests can be made while the
USB bus is resuming.  All requests must be handled
properly to prevent incorrect disconnect detection
during Resume and improper indentification of
Resume signaling as a remote wakeup event.

Bug 817128

(cherry-pick from 789333436de3878b2ea878d4c2c030af7ed481ce)

Change-Id: If1a01a5883051290bdaf09537f737e5797209936
Signed-off-by: Nathan Connell <w14185@motorola.com>
Reviewed-on: http://git-master/r/36311
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
ARM: tegra: usb: prefetch engine buffer coherency protection 2011-06-14T11:28:48+00:00 Jay Cheng jacheng@nvidia.com 2011-06-10T20:50:15+00:00 bf623c5edbc8f0f5b23d5580aea1038418893792 The prefetcher fetches a total of 128 bytes, and then responding to sequential reads with this prefetched data. To avoid coherency issues, it discards the prefetched data if a non sequential read occurs. Allocate dtd with 128 bytes boundary to make 2 consecutive dtd 128 bytes apart. bug 825970 Change-Id: I5ab066d8535cf719b5ed830293a883609180b525 Reviewed-on: http://git-master/r/36157 Tested-by: Cho-Che Cheng <jacheng@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Reviewed-by: Rakesh Bodla <rbodla@nvidia.com> 
The prefetcher fetches a total of 128 bytes, and then responding to
sequential reads with this prefetched data. To avoid coherency issues,
it discards the prefetched data if a non sequential read occurs.

Allocate dtd with 128 bytes boundary to make 2 consecutive dtd 128 bytes
 apart.

bug 825970

Change-Id: I5ab066d8535cf719b5ed830293a883609180b525
Reviewed-on: http://git-master/r/36157
Tested-by: Cho-Che Cheng <jacheng@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Rakesh Bodla <rbodla@nvidia.com>
usb: host: tegra: Fix a possible int storm on resume from lp0 2011-06-14T11:28:40+00:00 Benoit Goby benoit@android.com 2011-01-05T01:40:30+00:00 1ffaaac2463f94ad1056abfa345f6e50249ec1c4 usbcore will reenable usb interrupts later once the bus has been resumed. bug 835193 Change-Id: Idf36d34f2f08c469246e7329b088529f3d805b7d Signed-off-by: Benoit Goby <benoit@android.com> Reviewed-on: http://git-master/r/36145 Tested-by: Cho-Che Cheng <jacheng@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Reviewed-by: Rakesh Bodla <rbodla@nvidia.com> 
usbcore will reenable usb interrupts later once the bus has been
resumed.

bug 835193

Change-Id: Idf36d34f2f08c469246e7329b088529f3d805b7d
Signed-off-by: Benoit Goby <benoit@android.com>
Reviewed-on: http://git-master/r/36145
Tested-by: Cho-Che Cheng <jacheng@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Rakesh Bodla <rbodla@nvidia.com>
usb: ehci: tegra: Don't change the hcd state on restart 2011-06-14T11:28:16+00:00 Benoit Goby benoit@android.com 2010-12-28T23:33:49+00:00 bce8ee9ee177c2c4af21f3275b6472e68a13850e usbcore will change it once the bus has been resumed. This fixes the "hub 3-0:1.0: activate --> -22" error on resume. bug 835193 Change-Id: I766ee27320a6cfa7cf8d937e3dbeb522a3fd19bd Signed-off-by: Benoit Goby <benoit@android.com> Reviewed-on: http://git-master/r/36144 Tested-by: Cho-Che Cheng <jacheng@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Reviewed-by: Rakesh Bodla <rbodla@nvidia.com> 
usbcore will change it once the bus has been resumed. This fixes
the "hub 3-0:1.0: activate --> -22" error on resume.

bug 835193

Change-Id: I766ee27320a6cfa7cf8d937e3dbeb522a3fd19bd
Signed-off-by: Benoit Goby <benoit@android.com>
Reviewed-on: http://git-master/r/36144
Tested-by: Cho-Che Cheng <jacheng@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Rakesh Bodla <rbodla@nvidia.com>
usb: gadget: introduce delay when setting address of tegra device 2011-06-13T19:09:07+00:00 Alexandre Courbot acourbot@nvidia.com 2011-05-27T04:37:33+00:00 166531c98333cfe635b65dc35c1981dc17cc9dd1 Some windows host drivers require this small delay in order to properly detect the tegra device. This patch ensures correct detection in all cases. Workaround for bug 814907 Change-Id: I3ff294f9cbe3660964b9bd227c233f4e20115e80 Reviewed-on: http://git-master/r/35352 Reviewed-by: Alex Courbot <acourbot@nvidia.com> Tested-by: Alex Courbot <acourbot@nvidia.com> Reviewed-by: David Schalig <dschalig@nvidia.com> Tested-by: David Schalig <dschalig@nvidia.com> Reviewed-by: Hanumanth Venkateswa Moganty <vmoganty@nvidia.com> 
Some windows host drivers require this small delay in order to properly
detect the tegra device. This patch ensures correct detection in all
cases.

Workaround for bug 814907

Change-Id: I3ff294f9cbe3660964b9bd227c233f4e20115e80
Reviewed-on: http://git-master/r/35352
Reviewed-by: Alex Courbot <acourbot@nvidia.com>
Tested-by: Alex Courbot <acourbot@nvidia.com>
Reviewed-by: David Schalig <dschalig@nvidia.com>
Tested-by: David Schalig <dschalig@nvidia.com>
Reviewed-by: Hanumanth Venkateswa Moganty <vmoganty@nvidia.com>
USB: gadget: f_accessory: Set bNumEndpoints to correct value of 2 2011-05-31T12:58:34+00:00 Mike Lockwood lockwood@android.com 2011-03-27T15:00:19+00:00 7798bb9251068a190af7c1bbf616ad8af01bbe52 Signed-off-by: Mike Lockwood <lockwood@android.com> (cherry picked from commit 663abba4c6d83e798d1479298130f34a28dacd8b) Change-Id: I5d1b01fa6e8856c929d13abfa38db732115e9ddc Reviewed-on: http://git-master/r/32892 Reviewed-by: Suresh Mangipudi <smangipudi@nvidia.com> Tested-by: Suresh Mangipudi <smangipudi@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
Signed-off-by: Mike Lockwood <lockwood@android.com>
(cherry picked from commit 663abba4c6d83e798d1479298130f34a28dacd8b)
Change-Id: I5d1b01fa6e8856c929d13abfa38db732115e9ddc
Reviewed-on: http://git-master/r/32892
Reviewed-by: Suresh Mangipudi <smangipudi@nvidia.com>
Tested-by: Suresh Mangipudi <smangipudi@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>