Re: [PATCH 0/2] usb: core: return -EAGAIN on usb_* functions reentrance

[Sascha Hauer <s.hauer@pengutronix.de>]

Hi Peter,

On Wed, Oct 14, 2015 at 01:15:47PM +0300, Peter Mamonov wrote:
> The second patch of this patch set adds reentrance detection to 
> the the following functions: usb_submit_int_msg, usb_control_msg and
> usb_bulk_msg. These functions will return -EAGAIN if reentered. 
> Other public usb_* functions call one of these three functions.
> This patch enables one to use regular *delay() functions
> throughout the ehci-hcd.c.
> 
> The first patch adds check for -EAGAIN return value to the usb keyboard
> driver. The driver will skip keyboard poll upon getting this error value
> from either usb_submit_int_msg() or usb_get_report() functions.
> 
> Peter Mamonov (2):
> 	input: usb_kbd: skip poll on -EAGAIN error
> 	usb: core: return -EAGAIN on usb_* functions reentrance

Applied on -next. I believe we no longer need mdelay_non_interruptible
in the ehci-hcd driver, right? Also we don't have to detect re-entrancy
in the ehci driver anymore. I have applied some patches removing that
to -next. Could you check the result?

Sascha


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