From: festevam@gmail.com (Fabio Estevam)
To: linux-arm-kernel@lists.infradead.org
Subject: ulpi_check_integrity returning error
Date: Tue, 14 Dec 2010 14:16:32 -0200 [thread overview]
Message-ID: <AANLkTimUSdV-0L+BSLumTJCDeFOgYNhw6azLjWuK4uX6@mail.gmail.com> (raw)
In-Reply-To: <87d3p4e6r1.fsf@lechat.rtp-net.org>
On Tue, Dec 14, 2010 at 1:03 PM, Arnaud Patard
<arnaud.patard@rtp-net.org> wrote:
...
>> I am curious to know if any of this boards can work in host mode OTG
>> with current mainline kernel.
>
> I guess you need to configure portsc register into ulpi mode in the
> .init function of the mxc_usbh_platform_data otherwise, you won't be
> able to reach the ulpi.
Yes, I am configuring the portsc register into ULPI mode:
.portsc = MXC_EHCI_MODE_ULPI,
Code does reach ulpi read/write functions in arch/arm/plat-mxc/ulpi.c,
but always return 0 in the reads.
Regards,
Fabio Estevam
next prev parent reply other threads:[~2010-12-14 16:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AANLkTinxLr10X-EBGQHdhC5JyxbJOqcUz_+UMOCo+OFA@mail.gmail.com>
[not found] ` <4D076E49.3020805@compulab.co.il>
2010-12-14 14:47 ` ulpi_check_integrity returning error Fabio Estevam
2010-12-14 15:03 ` Arnaud Patard (Rtp)
2010-12-14 16:16 ` Fabio Estevam [this message]
2010-12-14 16:26 ` Arnaud Patard (Rtp)
2010-12-14 22:17 ` Fabio Estevam
2010-12-15 1:32 ` Fabio Estevam
2010-12-14 17:44 ` Philippe Rétornaz
2010-12-14 20:47 ` Sascha Hauer
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