On Mon, Jul 10, 2017 at 11:38 PM, <Mario.Limonciello@xxxxxxxx> wrote: >> -----Original Message----- >> From: Jiahau Chang [mailto:jiahau@xxxxxxxxx] >> Sent: Thursday, July 6, 2017 8:58 PM >> To: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> >> Cc: linux-usb@xxxxxxxxxxxxxxx; mathias.nyman@xxxxxxxxx; >> David.Laight@xxxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx; >> felipe.balbi@xxxxxxxxxxxxxxx; brain_lee@xxxxxxxxxxxxxx; Limonciello, Mario >> <Mario_Limonciello@xxxxxxxx>; Justin_CY_Chen@xxxxxxxxxxxxxx; Wang, Keith >> <Keith_Wang@xxxxxxxx>; Yd_Tseng@xxxxxxxxxxxxxx; Jiahau Chang >> <Lars_chang@xxxxxxxxxxxxxx>; Ian Pilcher <arequipeno@xxxxxxxxx> >> Subject: Re: [PATCH v5] xhci: Bad Ethernet performance plugged in ASM1042A host >> >> 2017-06-28 21:42 GMT+08:00 Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>: >> > On 22.06.2017 07:49, Jiahau Chang wrote: >> >> >> >> When USB Ethernet is plugged in ASMEDIA ASM1042A xHCI host, bad >> >> performance was manifesting in Web browser use (like download >> >> large file such as ISO image). It is known limitation of >> >> ASM1042A that is not compatible with driver scheduling, >> >> As a workaround we can modify flow control handling of ASM1042A. >> >> The register we modify is changes the behavior >> >> >> >> Signed-off-by: Jiahau Chang <Lars_chang@xxxxxxxxxxxxxx> >> >> Signed-off-by: Ian Pilcher <arequipeno@xxxxxxxxx> >> >> --- >> > >> > >> > Thanks, looks good, but checkpatch complains about: >> > >> >> + usleep_range(50, 50); >> > >> > >> > having same min and max value. >> > Does usleep_range(40,60) work for you? or some other range? >> > >> It works to use usleep_range(40,60); >> Thanks for help us to upstream the patch. >> >> > I can change that myself, no need to resend. >> > > > Matthias, > > Can you still get this in for 4.13? He is on vacation for few weeks. Perhaps in rcX. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html