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Groups > linux.kernel > #1543199
| From | Bin Liu <b-liu@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] usb: musb: debugfs: allow forcing host mode together with speed in testmode |
| Date | 2016-12-16 05:10 +0100 |
| Message-ID | <sOS0h-6D7-9@gated-at.bofh.it> (permalink) |
| References | <sOjcd-7GR-7@gated-at.bofh.it> <sOnpv-2DO-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Dec 14, 2016 at 08:23:45PM +0100, Pali Rohár wrote: > Based on the musb ug, force_host bit is allowed to be set along with > force_hs or force_fs bit. > > It could help to implement forced host mode via testmode on Nokia N900. > > Signed-off-by: Pali Rohár <pali.rohar@gmail.com> > --- > drivers/usb/musb/musb_debugfs.c | 44 +++++++++++++++++++++++++-------------- > 1 file changed, 28 insertions(+), 16 deletions(-) > > diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c > index 9b22d94..62c13a2 100644 > --- a/drivers/usb/musb/musb_debugfs.c > +++ b/drivers/usb/musb/musb_debugfs.c > @@ -147,28 +147,34 @@ static int musb_test_mode_show(struct seq_file *s, void *unused) > > test = musb_readb(musb->mregs, MUSB_TESTMODE); > > - if (test & MUSB_TEST_FORCE_HOST) > + if (test & (MUSB_TEST_FORCE_HOST | MUSB_TEST_FORCE_FS)) if (test & (MUSB_TEST_FORCE_HOST | MUSB_TEST_FORCE_FS) == MUSB_TEST_FORCE_HOST | MUSB_TEST_FORCE_FS) or even simpler: if (test == MUSB_TEST_FORCE_HOST | MUSB_TEST_FORCE_FS) since multiple tests at the same time are not allowed. > + seq_printf(s, "force host full-speed\n"); > + > + else if (test & (MUSB_TEST_FORCE_HOST | MUSB_TEST_FORCE_HS)) else if (test == MUSB_TEST_FORCE_HOST | MUSB_TEST_FORCE_HS) Regards, -Bin.
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[PATCH] usb: musb: debugfs: allow forcing host mode together with speed in testmode Pali Rohár <pali.rohar@gmail.com> - 2016-12-14 16:00 +0100
Re: [PATCH] usb: musb: debugfs: allow forcing host mode together with speed in testmode Tony Lindgren <tony@atomide.com> - 2016-12-14 16:40 +0100
Re: [PATCH] usb: musb: debugfs: allow forcing host mode together with speed in testmode Pali Rohár <pali.rohar@gmail.com> - 2016-12-14 16:50 +0100
Re: [PATCH] usb: musb: debugfs: allow forcing host mode together with speed in testmode Tony Lindgren <tony@atomide.com> - 2016-12-14 17:00 +0100
Re: [PATCH] usb: musb: debugfs: allow forcing host mode together with speed in testmode Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-14 18:00 +0100
[PATCH] usb: musb: debugfs: allow forcing host mode together with speed in testmode Pali Rohár <pali.rohar@gmail.com> - 2016-12-14 20:30 +0100
Re: [PATCH] usb: musb: debugfs: allow forcing host mode together with speed in testmode Bin Liu <b-liu@ti.com> - 2016-12-16 05:10 +0100
[PATCH v2] usb: musb: debugfs: allow forcing host mode together with speed in testmode Pali Rohár <pali.rohar@gmail.com> - 2016-12-18 01:10 +0100
Re: [PATCH v2] usb: musb: debugfs: allow forcing host mode together with speed in testmode Bin Liu <b-liu@ti.com> - 2016-12-19 16:20 +0100
[PATCH v3] usb: musb: debugfs: allow forcing host mode together with speed in testmode Pali Rohár <pali.rohar@gmail.com> - 2016-12-19 16:30 +0100
Re: [PATCH v3] usb: musb: debugfs: allow forcing host mode together with speed in testmode Bin Liu <b-liu@ti.com> - 2016-12-19 21:50 +0100
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