[PATCH 4/9] Add Synopsys DesignWare HS USB OTG Controller driver.

Wolfgang Denk wd at denx.de
Wed Jun 30 09:13:02 EST 2010


Dear Fushen Chen,

In message <1277846824673-git-send-email-fchen at apm.com> you wrote:
> Implements DWC OTG USB Host Controller Driver (HCD) and interface to
> USB Host controller Driver framework.
> 
> Signed-off-by: Fushen Chen <fchen at apm.com>
> Signed-off-by: Mark Miesfeld <mmiesfeld at apm.com>
> ---
>  drivers/usb/otg/dwc_otg_hcd.c | 2397 +++++++++++++++++++++++++++++++++++++++++
>  drivers/usb/otg/dwc_otg_hcd.h |  421 ++++++++
>  2 files changed, 2818 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/usb/otg/dwc_otg_hcd.c
>  create mode 100644 drivers/usb/otg/dwc_otg_hcd.h


Why are you posting this old driver version without trying to sync
against our tree which includes a number of fixes - you should know
about these.

...
> +		do {
> +			hcchar.d32 = dwc_read_reg32(&hc_regs->hcchar);
> +			if (++count > 10000) {
> +				printk(KERN_ERR "%s: Unable to clear halt on "
> +						"channel %d\n",	__func__, i);
> +				break;
> +			}
> +		} while (hcchar.b.chen);
> +	}

For example, here you are missing

	commit 018b43db153da063182c87be2eaad037cba2d879
	Author: Stefan Roese <sr at denx.de>
	Date:   Thu Sep 24 17:15:06 2009 +0200

	    USB: Fix timeout problem with polling loops in DWC USB-OTG driver


In [PATCH 6/9] Add Synopsys DesignWare HS USB OTG Controller driver
you are missing

	commit 538fe70d696bc5e694ab08e9627a99a0b11358ec
	Author: Stefan Roese <sr at denx.de>
	Date:   Wed Sep 23 08:50:29 2009 +0200

	    USB: Fix problem with reconnection in DWC USB-OTG driver

etc.


Please update your code and resubmit.



Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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time.                                                 - Merrick Furst


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