linux-toradex.git/drivers/usb/host, branch tegra Linux kernel for Apalis and Colibri modules Conflicts: 2013-03-02T23:51:24+00:00 Marcel Ziswiler marcel.ziswiler@toradex.com 2013-03-02T23:51:24+00:00 d6fa4ec20db6bd0b403d2d99fd9423e6c0f3f845 arch/arm/mach-tegra/common.c drivers/ata/ahci-tegra.c 
	arch/arm/mach-tegra/common.c
	drivers/ata/ahci-tegra.c
usb: tegra: conditionally set wake enable 2012-12-07T18:17:51+00:00 Preetham Chandru R pchandru@nvidia.com 2012-11-29T11:38:50+00:00 3c3574a139f9093d6841b2483c0015060f88ee55 Set wake enable only if remote wakeup is supported by the platform Bug 1039143 Signed-off-by: Preetham Chandru R <pchandru@nvidia.com> Change-Id: I805dd773cdbb5639f59b2f5ba4bcb2e14be74d5b Reviewed-on: http://git-master/r/147462 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Suresh Mangipudi <smangipudi@nvidia.com> Reviewed-by: Krishna Yarlagadda <kyarlagadda@nvidia.com> Reviewed-by: Bitan Biswas <bbiswas@nvidia.com> Reviewed-by: Matthew Pedro <mapedro@nvidia.com> 
Set wake enable only if remote wakeup is supported
by the platform

Bug 1039143

Signed-off-by: Preetham Chandru R <pchandru@nvidia.com>
Change-Id: I805dd773cdbb5639f59b2f5ba4bcb2e14be74d5b
Reviewed-on: http://git-master/r/147462
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Suresh Mangipudi <smangipudi@nvidia.com>
Reviewed-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>
colibri_t20: USB: fix building device controller driver as module 2012-11-20T15:30:14+00:00 Marcel Ziswiler marcel.ziswiler@toradex.com 2012-11-20T15:30:14+00:00 cc22d3d969367d76cebc0b3244bf8d00c364a56d Trying to build USB device controller driver as a module failed as follows: ERROR: "g_usb_high_speed" [drivers/usb/gadget/tegra_udc.ko] undefined! This is due to a missing export of above mentioned global variable. 
Trying to build USB device controller driver as a module failed as
follows:

ERROR: "g_usb_high_speed" [drivers/usb/gadget/tegra_udc.ko] undefined!

This is due to a missing export of above mentioned global variable.
colibri_t20: USB: allow forcing full speed only 2012-11-20T09:00:04+00:00 Marcel Ziswiler marcel.ziswiler@toradex.com 2012-11-20T09:00:04+00:00 a39ae1c004b797d5047f97914a288d106121a10f Allow limiting externally accessible USB OTG and host port to full speed only in order to be compatible with older carrier boards (e.g. old Colibri Evaluation Board v2.1c, Orchid or Protea). The following kernel argument can be set to either 0 meaning false or 1 meaning true: usb_high_speed 
Allow limiting externally accessible USB OTG and host port to full
speed only in order to be compatible with older carrier boards (e.g.
old Colibri Evaluation Board v2.1c, Orchid or Protea). The following
kernel argument can be set to either 0 meaning false or 1 meaning true:

usb_high_speed
USB: ehci: tegra: fix USB1 port reset issue 2012-11-19T12:05:21+00:00 Jim Lin jilin@nvidia.com 2011-04-17T08:58:25+00:00 3a989af29c4486259d974c8adf559866712f83c1 Tegra USB1 port needs to issue Port Reset twice internally, otherwise it fails to enumerate devices attached to it Signed-off-by: Jim Lin <jilin@nvidia.com> Signed-off-by: Olof Johansson <olofj@chromium.org> [ squash two patches into one and minor style cleanups ] Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> 
Tegra USB1 port needs to issue Port Reset twice internally, otherwise it
fails to enumerate devices attached to it

Signed-off-by: Jim Lin <jilin@nvidia.com>
Signed-off-by: Olof Johansson <olofj@chromium.org>
[ squash two patches into one and minor style cleanups ]
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
usb: ehci: tegra: Fix Slab corruption error 2012-08-11T06:10:44+00:00 Preetham Chandru pchandru@nvidia.com 2012-08-09T08:21:39+00:00 642d37a0eee196d0ce811dd11bb7af5ba281ee3a Give ownership of the DMA buffer back to the processor first and then free the buffer. Otherwise processor won't be able to access the dma mapped buffers and this would lead to slab corruption. When the DMA buffer is freed without a call to dma_sync_single_for_cpu(), the kernel won't be able to set the buffer as POISON FREE and when we acquire this memory back again the kernel will start printing slab corruption output as the memory is not set to POISON FREE Bug 1017884 Bug 1018161 Reviewed-on: http://git-master/r/#change,122151 Signed-off-by: Preetham Chandru R <pchandru@nvidia.com> Change-Id: I00d6cb185cd2314cccb56f968eb0a05288588c13 Reviewed-on: http://git-master/r/122390 Reviewed-by: Simone Willett <swillett@nvidia.com> Tested-by: Simone Willett <swillett@nvidia.com> 
Give ownership of the DMA buffer back to the processor first and
then free the buffer. Otherwise processor won't be able to
access the dma mapped buffers and this would lead to slab
corruption.
When the DMA buffer is freed without a call to dma_sync_single_for_cpu(),
the kernel won't be able to set the buffer as POISON FREE and when we
acquire this memory back again the kernel will start printing slab
corruption output as the memory is not set to POISON FREE

Bug 1017884
Bug 1018161
Reviewed-on: http://git-master/r/#change,122151
Signed-off-by: Preetham Chandru R <pchandru@nvidia.com>

Change-Id: I00d6cb185cd2314cccb56f968eb0a05288588c13
Reviewed-on: http://git-master/r/122390
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
usb: host: fix tegra_ehci_remove() warnings 2012-08-10T01:06:00+00:00 Venu Byravarasu vbyravarasu@nvidia.com 2012-08-08T11:59:36+00:00 7b3a327acb3a63fddc14f2b3ecd19a7ea8f41b3e usb_put_hcd calls hcd_release which frees up memory allocated for hcd. As iounmap is called after usb_put_hcd and it is trying to access hcd->regs, getting warning messages during unload of USB. Hence fixing it. bug 1023362 Change-Id: Ic339395edad9a76a9eeae290eff3517d2c714477 Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com> Reviewed-on: http://git-master/r/122088 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Krishna Yarlagadda <kyarlagadda@nvidia.com> Tested-by: Krishna Yarlagadda <kyarlagadda@nvidia.com> Reviewed-by: Venkat Moganty <vmoganty@nvidia.com> 
usb_put_hcd calls hcd_release which frees up memory allocated
for hcd. As iounmap is called after usb_put_hcd and it is trying
to access hcd->regs, getting warning messages during unload of
USB. Hence fixing it.

bug 1023362

Change-Id: Ic339395edad9a76a9eeae290eff3517d2c714477
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Reviewed-on: http://git-master/r/122088
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Tested-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
usb: ehci: tegra: Update RUN bit properly. 2012-07-28T01:18:40+00:00 Suresh Mangipudi smangipudi@nvidia.com 2012-07-24T07:22:00+00:00 1ba003bf6ab67b77e684ee7ca88de6897c16e074 Read the RUN bit and update it properly. Remove unused variable. Change-Id: I1df5dc99ce40e2ca15f0ade28d156a7262467519 Signed-off-by: Suresh Mangipudi <smangipudi@nvidia.com> Reviewed-on: http://git-master/r/117958 Reviewed-by: Simone Willett <swillett@nvidia.com> Tested-by: Simone Willett <swillett@nvidia.com> 
Read the RUN bit and update it properly.
Remove unused variable.

Change-Id: I1df5dc99ce40e2ca15f0ade28d156a7262467519
Signed-off-by: Suresh Mangipudi <smangipudi@nvidia.com>
Reviewed-on: http://git-master/r/117958
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
usb: ehci: DMA buffer sync for qh/qtd descriptors 2012-07-28T00:17:18+00:00 JC Kuo jckuo@nvidia.com 2012-07-17T09:57:44+00:00 afee560766283360ee64f7b8f9a92c561be2847a When EHCI host controller driver examines qh/qtd descriptors, driver might see stale data in cache on some ARM CPU. This patch introduces two helper functions, ehci_sync_qh() and ehci_sync_qtd(), to invalidate cached descriptors so that driver can always read up-to-date descriptors from memory. Bug 1005403 Change-Id: I2345bda7dfe29c5fe7f9550066b518cd6624d263 Signed-off-by: JC Kuo <jckuo@nvidia.com> Reviewed-on: http://git-master/r/116406 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: WK Tsai <wtsai@nvidia.com> Reviewed-by: ChihMin Cheng <ccheng@nvidia.com> Reviewed-by: Joy Wang <joyw@nvidia.com> Reviewed-by: Vinayak Pane <vpane@nvidia.com> Reviewed-by: Michael Hsu <mhsu@nvidia.com> Reviewed-by: Krishna Reddy <vdumpa@nvidia.com> 
When EHCI host controller driver examines qh/qtd descriptors, driver
might see stale data in cache on some ARM CPU. This patch introduces
two helper functions, ehci_sync_qh() and ehci_sync_qtd(), to
invalidate cached descriptors so that driver can always read
up-to-date descriptors from memory.

Bug 1005403

Change-Id: I2345bda7dfe29c5fe7f9550066b518cd6624d263
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Reviewed-on: http://git-master/r/116406
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: WK Tsai <wtsai@nvidia.com>
Reviewed-by: ChihMin Cheng <ccheng@nvidia.com>
Reviewed-by: Joy Wang <joyw@nvidia.com>
Reviewed-by: Vinayak Pane <vpane@nvidia.com>
Reviewed-by: Michael Hsu <mhsu@nvidia.com>
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
usb: ehci: tegra: HSIC remote wakeup support 2012-07-25T00:36:50+00:00 Vinod Atyam vatyam@nvidia.com 2012-06-26T09:08:48+00:00 786ba00860c7dc3143c62bcbe5d371203238cd1d 1) Returning in irq after remote wakeup resume handled in ehci irq function. 2) Removed the unused variables. Bug 889618 Change-Id: I9a1fd25c753a53462bf7742065fa618caae501ab Signed-off-by: Vinod Atyam <vatyam@nvidia.com> Reviewed-on: http://git-master/r/111192 Reviewed-by: Simone Willett <swillett@nvidia.com> Tested-by: Simone Willett <swillett@nvidia.com> 
1) Returning in irq after remote wakeup resume handled
   in ehci irq function.
2) Removed the unused variables.

Bug 889618

Change-Id: I9a1fd25c753a53462bf7742065fa618caae501ab
Signed-off-by: Vinod Atyam <vatyam@nvidia.com>
Reviewed-on: http://git-master/r/111192
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>