From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 00/11 V7] MXS: Add i.MX28 USB Host driver
Date: Wed, 9 May 2012 10:43:39 +0200 [thread overview]
Message-ID: <201205091043.39787.marex@denx.de> (raw)
In-Reply-To: <F281D0F91ED19E4D8E63A7504E8A649803B91EFD@039-SN2MPN1-022.039d.mgd.msft.net>
Dear Chen Peter-B29397,
> > > > Still use IRQF_SHARED for the usb interrupt, but:
> > > > * The IRQ handler in ehci-mxs, that's set in hc_driver.irq would be
> > > > always
> > > > returning IRQ_NONE.
> > > > * The IRQ handler in imx-otg would call the callback registered via
> > > > imx_otg_set_irq_handler() only if the port was actually in host mode
> > >
> > > The interrupt which is registered by hcd core is usb_hcd_irq, it will
> >
> > call
> >
> > > ehci_irq. The hc_driver.irq is included in usb_hcd_irq.
> >
> > Hm, that's correct. I'll dive in and see if there's any other way around.
> > I
> > think I saw IRQF_DISABLED somewhere there, but that might be just some
> > phantom.
> > Either way, is this direction I'm taking the correct one (have irq
> > handler in
> > imx-otg and send IRQs to gadget/host drivers from there)?
>
> Sorry for late as I can't see this email at my inbox.
That's fine :)
> If you can handle hcd irq well, I think it is correct direction.
Good, any other problems you noticed?
Thanks!
Best regards,
Marek Vasut
next prev parent reply other threads:[~2012-05-09 8:43 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-01 1:55 [RFC PATCH 00/11 V7] MXS: Add i.MX28 USB Host driver Marek Vasut
2012-05-01 1:55 ` [PATCH 01/11] MXS: Make clk_disable return integer Marek Vasut
2012-05-01 1:55 ` [PATCH 02/11] MXS: Add USB EHCI and USB PHY clock handling Marek Vasut
2012-05-01 1:55 ` [PATCH 03/11] MXS: Fixup i.MX233 USB base address name Marek Vasut
2012-05-01 1:55 ` [PATCH 04/11] MXS: Add data shared between imx-otg and EHCI driver Marek Vasut
2012-05-01 1:55 ` [PATCH 05/11] MXS: Modify the ci13xxx_udc to avoid adding UDC Marek Vasut
2012-05-01 1:55 ` [PATCH 06/11] MXS: Add small registration glue for ci13xxx_udc Marek Vasut
2012-05-01 1:55 ` [PATCH 07/11] MXS: Add separate MXS EHCI HCD driver Marek Vasut
2012-05-01 1:56 ` [PATCH 08/11] MXS: Add imx-otg driver Marek Vasut
2012-05-01 1:56 ` [PATCH 09/11] MXS: Add USB PHY driver Marek Vasut
2012-05-01 1:56 ` [PATCH 10/11] MXS: Add platform registration hooks for USB EHCI Marek Vasut
2012-05-01 1:56 ` [PATCH 11/11] MXS: Enable USB on M28EVK Marek Vasut
2012-05-01 3:13 ` [RFC PATCH 00/11 V7] MXS: Add i.MX28 USB Host driver Chen Peter-B29397
2012-05-01 3:21 ` Marek Vasut
2012-05-01 3:36 ` Chen Peter-B29397
2012-05-01 3:49 ` Marek Vasut
2012-05-01 7:52 ` Chen Peter-B29397
2012-05-01 13:55 ` Marek Vasut
2012-05-03 3:24 ` Chen Peter-B29397
2012-05-03 13:27 ` Marek Vasut
2012-05-09 3:29 ` Chen Peter-B29397
2012-05-09 8:43 ` Marek Vasut [this message]
2012-05-09 10:19 ` Chen Peter-B29397
2012-05-09 10:31 ` Marek Vasut
2012-05-08 0:58 ` Marek Vasut
2012-05-10 10:19 ` Juergen Beisert
2012-05-10 18:10 ` Marek Vasut
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201205091043.39787.marex@denx.de \
--to=marex@denx.de \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.