Re: [PATCH v2] Bluetooth: Add hci_h4p driver
From: Pali RohÃr
Date: Mon Dec 30 2013 - 09:31:49 EST
On Saturday 28 December 2013 02:21:23 Marcel Holtmann wrote:
> Hi Pali,
> > I'm sending updated version of hci_h4p bluetooth driver. It
> > is needed for Nokia N900 bluetooth hardware. This (v2) is
> > older version of hci_h4p driver, but I tested it with
> > v3.13-rc3 kernel on Nokia N900 and working without any
> > problems. Previous (v1) version had some problems. So for
> > future development please use this (v2) version of hci_h4p
> > driver.
> please create a proper commit message explaining this driver.
> Revision updates should go between the diffstat and the patch
> itself. Use git format-patch and you see what I mean.
Ok. First what I wanted was to have working driver with new kernel. I sent it so other people can look at code and fix what is
needed... I think that correct commit message is not needed now.
> > diff --git a/drivers/bluetooth/Kconfig
> > b/drivers/bluetooth/Kconfig index 11a6104..95155c3 100644
> > --- a/drivers/bluetooth/Kconfig
> > +++ b/drivers/bluetooth/Kconfig
> > @@ -242,4 +242,14 @@ config BT_WILINK
> > Say Y here to compile support for Texas Instrument's
> > WiLink7 driver into the kernel or say M to compile it as
> > module.
> > +
> > +config BT_HCIH4P
> > + tristate "HCI driver with H4 Nokia extensions"
> > + depends on BT && ARCH_OMAP
> Since then we moved away from doing hci_* prefix of drivers
> since that is misleading. See btusb.ko, btmrvl_sdio.ko etc.
> So this might be better named BT_NOK_H4P or BT_NOKIA_H4P and
> the module named btnok_h4p.ko or btnokia_h4p.ko.
> I still never understood what âpâ was for.
I do not know too, I did not invent that name. I just copied
kernel driver from nokia kernel and patched it to work with 3.12.
Maybe 'p' means plus (+) as H4+.
> Can we also make this just depend on some device tree
> information and not on a specific architecture. I know that
> this driver is pretty much OMAP specific, but if we want this
> upstream, we should at least try to make it more generic.
Sebastian, can you look at code how hard is to add DT support?
> > +MODULE_DESCRIPTION("Bluetooth h4 driver with nokia
> > extensions"); +MODULE_LICENSE("GPL");
> > +MODULE_AUTHOR("Ville Tervo");
> > +MODULE_FIRMWARE(FW_NAME_TI1271_PRELE);
> > +MODULE_FIRMWARE(FW_NAME_TI1271_LE);
> > +MODULE_FIRMWARE(FW_NAME_TI1271);
> > +MODULE_FIRMWARE(FW_NAME_BCM2048);
> > +MODULE_FIRMWARE(FW_NAME_CSR);
> Do we actually have all these firmware files still available.
> If not, then focus on the ones we have.
Firmware files are available for download from nemo project:
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