Re: [PATCH v5] USB: ehci-pci: USB host controller support for Intel Quark X1000

2014-07-09 Thread Greg Kroah-Hartman
On Wed, Jul 02, 2014 at 01:58:18AM -0700, Chen, Alvin wrote: > From: Bryan O'Donoghue > > The EHCI packet buffer in/out threshold is programmable for Intel Quark X1000 > USB host controller, and the default value is 0x20 dwords. The in/out > threshold > can be programmed to 0x80 dwords (512 Byte

[PATCH v5] USB: ehci-pci: USB host controller support for Intel Quark X1000

2014-07-01 Thread Chen, Alvin
From: Bryan O'Donoghue The EHCI packet buffer in/out threshold is programmable for Intel Quark X1000 USB host controller, and the default value is 0x20 dwords. The in/out threshold can be programmed to 0x80 dwords (512 Bytes) to maximize the perfomrance, but only when isochronous/interrupt transa