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bb1f327d0a
u-boot-brain/drivers/usb/host
History
Roger Quadros bb1f327d0a usb: ehci-omap: Don't softreset USB High-speed Host (UHH) Module 
Fixes NFS root problems with Beagle (3530 ES1.0) when used with
external USB-ethernet adapter and "USB start" command used within
u-boot.

Soft resetting the UHH module causes instability issues on
all OMAPs so we just avoid it.

See OMAP36xx Errata
  i571: USB host EHCI may stall when entering smart-standby mode
  i660: USBHOST Configured In Smart-Idle Can Lead To a Deadlock

On OMAP4/5, soft-resetting the UHH module can put it into
Smart-Idle mode and lead to a deadlock.

On OMAP3 this doesn't seem to be the case but still instabilities
are observed on beagle (3530 ES1.0) if soft-reset is used.
 e.g. NFS root failures with Linux kernel.

Signed-off-by: Roger Quadros <rogerq@ti.com>
2013-07-29 23:01:33 +02:00
..
ehci-armada100.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-atmel.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-exynos.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-faraday.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-fsl.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-hcd.c usb: ehci: Split out struct ehci_ctrl definition 2013-07-29 23:01:31 +02:00
ehci-ixp4xx.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-marvell.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-mpc512x.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-mx5.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-mx6.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-mxc.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-mxs.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-omap.c usb: ehci-omap: Don't softreset USB High-speed Host (UHH) Module 2013-07-29 23:01:33 +02:00
ehci-pci.c usb: Add multiple controllers support for EHCI PCI 2013-03-18 18:58:55 +01:00
ehci-ppc4xx.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-spear.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-tegra.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci-vct.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ehci.h usb: ehci: Split out struct ehci_ctrl definition 2013-07-29 23:01:31 +02:00
isp116x-hcd.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
isp116x.h Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
Makefile Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ohci-at91.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ohci-da8xx.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ohci-hcd.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ohci-s3c24xx.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ohci-s3c24xx.h dm: Move s3c24xx USB driver to a proper place 2012-10-18 06:54:18 +02:00
ohci.h drivers/usb/host/ohci-hcd: rename readl/writel to ohci_readl/ohci_writel 2010-06-30 21:38:10 +02:00
r8a66597-hcd.c usb: r8a6659: Fix build by missing of parenthesis 2012-11-20 00:16:08 +01:00
r8a66597.h usb: r8a66597: Fix argument mistake of inl 2011-08-08 21:40:40 +02:00
sl811-hcd.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
sl811.h drivers/usb: regorganisation 2009-04-06 20:40:46 +02:00
utmi-armada100.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00