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Re: [PATCH][WAS:bcmai,axi] bcma: add Broadcom specific AMBA bus driver

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2011/5/7 Hauke Mehrtens <hauke@xxxxxxxxxx>:
> On 05/07/2011 06:51 PM, RafaÅ MiÅecki wrote:
>> 2011/5/7 Hauke Mehrtens <hauke@xxxxxxxxxx>:
>>> On 05/07/2011 06:23 PM, RafaÅ MiÅecki wrote:
>>>> 2011/5/7 Hauke Mehrtens <hauke@xxxxxxxxxx>:
>>>>> On 05/05/2011 11:59 PM, RafaÅ MiÅecki wrote:
>>>>>> Cc: Greg KH <greg@xxxxxxxxx>
>>>>>> Cc: Michael BÃsch <mb@xxxxxxxxx>
>>>>>> Cc: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
>>>>>> Cc: George Kashperko <george@xxxxxxxxxxx>
>>>>>> Cc: Arend van Spriel <arend@xxxxxxxxxxxx>
>>>>>> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>>>>>> Cc: Russell King <rmk@xxxxxxxxxxxxxxxx>
>>>>>> Cc: Arnd Bergmann <arnd@xxxxxxxx>
>>>>>> Cc: Andy Botting <andy@xxxxxxxxxxxxxxx>
>>>>>> Cc: linuxdriverproject <devel@xxxxxxxxxxxxxxxxxxxxxx>
>>>>>> Cc: linux-kernel@xxxxxxxxxxxxxxx <linux-kernel@xxxxxxxxxxxxxxx>
>>>>>> Signed-off-by: RafaÅ MiÅecki <zajec5@xxxxxxxxx>
>>>>>> ---
>>>>>> V2: Rename to axi
>>>>>> Â Â Use DEFINE_PCI_DEVICE_TABLE in bridge
>>>>>> Â Â Make use of pr_fmt and pr_*
>>>>>> Â Â Store core class
>>>>>> Â Â Rename bridge to not b43 specific
>>>>>> Â Â Replace magic 0x1000 with BCMAI_CORE_SIZE
>>>>>> Â Â Remove some old "ssb" names and defines
>>>>>> Â Â Move BCMAI_ADDR_BASE def
>>>>>> Â Â Add drvdata field
>>>>>> V3: Fix reloading (kfree issue)
>>>>>> Â Â Add 14e4:0x4331
>>>>>> Â Â Fix non-initialized struct issue
>>>>>> Â Â Drop useless inline functions wrappers for pci core drv
>>>>>> Â Â Proper pr_* usage
>>>>>> V3.1: Include forgotten changes (pr_* and include related)
>>>>>> Â Â Explain why we dare to implement empty release function
>>>>>> V4: Add ABI documentation
>>>>>> Â Â Move struct device to wrapper and alloc it dynamically
>>>>>> Â Â checkpatch.pl pointed fixes
>>>>>> V5: Rename to bcma, AXI was really bad name
>>>>>> Â Â Use EXPORT_SYMBOL_GPL
>>>>>> Â Â Set pci driver fields in one place
>>>>>> Â Â Drop unlikely
>>>>>> Â Â Use BCMA_CORE_SIZE for calc in awrite32
>>>>>> Â Â Add README
>>>>>> Â Â Fix compilation (delay.h)
>>>>>> ---
>>>>>> ÂDocumentation/ABI/testing/sysfs-bus-bcma  Â|  31 ++
>>>>>> Âdrivers/Kconfig               |  Â2 +
>>>>>> Âdrivers/Makefile              Â|  Â1 +
>>>>>> Âdrivers/bcma/Kconfig            Â|  33 +++
>>>>>> Âdrivers/bcma/Makefile            |  Â7 +
>>>>>> Âdrivers/bcma/README Â Â Â Â Â Â Â Â Â Â Â Â | Â 18 ++
>>>>>> Âdrivers/bcma/TODO Â Â Â Â Â Â Â Â Â Â Â Â Â | Â Â3 +
>>>>>> Âdrivers/bcma/bcma_private.h         |  31 ++
>>>>>> Âdrivers/bcma/core.c             |  51 ++++
>>>>>> Âdrivers/bcma/driver_chipcommon.c      Â|  87 ++++++
>>>>>> Âdrivers/bcma/driver_chipcommon_pmu.c    Â| Â134 +++++++++
>>>>>> Âdrivers/bcma/driver_pci.c          | Â163 +++++++++++
>>>>>> Âdrivers/bcma/host_pci.c           | Â196 +++++++++++++
>>>>>> Âdrivers/bcma/main.c             | Â271 ++++++++++++++++++
>>>>>> Âdrivers/bcma/scan.c             | Â392 +++++++++++++++++++++++++++
>>>>>> Âdrivers/bcma/scan.h             |  56 ++++
>>>>>> Âinclude/linux/bcma/bcma.h          | Â232 ++++++++++++++++
>>>>>> Âinclude/linux/bcma/bcma_driver_chipcommon.h | Â297 ++++++++++++++++++++
>>>>>> Âinclude/linux/bcma/bcma_driver_pci.h    Â|  89 ++++++
>>>>>> Âinclude/linux/bcma/bcma_regs.h       Â|  34 +++
>>>>>> Âinclude/linux/mod_devicetable.h       |  17 ++
>>>>>> Âscripts/mod/file2alias.c          Â|  22 ++
>>>>>> Â22 files changed, 2167 insertions(+), 0 deletions(-)
>>>>>> Âcreate mode 100644 Documentation/ABI/testing/sysfs-bus-bcma
>>>>>> Âcreate mode 100644 drivers/bcma/Kconfig
>>>>>> Âcreate mode 100644 drivers/bcma/Makefile
>>>>>> Âcreate mode 100644 drivers/bcma/README
>>>>>> Âcreate mode 100644 drivers/bcma/TODO
>>>>>> Âcreate mode 100644 drivers/bcma/bcma_private.h
>>>>>> Âcreate mode 100644 drivers/bcma/core.c
>>>>>> Âcreate mode 100644 drivers/bcma/driver_chipcommon.c
>>>>>> Âcreate mode 100644 drivers/bcma/driver_chipcommon_pmu.c
>>>>>> Âcreate mode 100644 drivers/bcma/driver_pci.c
>>>>>> Âcreate mode 100644 drivers/bcma/host_pci.c
>>>>>> Âcreate mode 100644 drivers/bcma/main.c
>>>>>> Âcreate mode 100644 drivers/bcma/scan.c
>>>>>> Âcreate mode 100644 drivers/bcma/scan.h
>>>>>> Âcreate mode 100644 include/linux/bcma/bcma.h
>>>>>> Âcreate mode 100644 include/linux/bcma/bcma_driver_chipcommon.h
>>>>>> Âcreate mode 100644 include/linux/bcma/bcma_driver_pci.h
>>>>>> Âcreate mode 100644 include/linux/bcma/bcma_regs.h
>>>>>>
>>>>> Hi,
>>>>>
>>>>> An entry in the MAINTAINERS file would be nice to find the right
>>>>> addresses to send patches to.
>>>>
>>>> Will do, thanks. Should I put some ML for this driver?
>>>> netdev@xxxxxxxxxxxxxxx? linux-wireless@xxxxxxxxxxxxxxx? So far there
>>>> are no net drivers for BCMA. Probably b43 will be the first (or
>>>> brcm80211).
>>>>
>>> There is a Ethernet core used on embedded devices with this bus and
>>> George wrote a driver for the first version of this bus implementation,
>>> he send to the ML. Most user will use this with some wireless devices so
>>> I would add linux-wireless@xxxxxxxxxxxxxxxx Why does ssb uses netdev ML?
>>
>> Thanks, I didn't know about this ethernet driver. Have to check it!
>> Where was this published? Do you have a thread name?
>
> I think he haven't send it to the mailing list, there is a link [0] in
> some Ticket [1] at OpenWrt. This driver was derived from source code
> Braodcom have published, but not under a GPL compatible license. It will
> be nice if Braodcom would allow us to publish a driver under the terms
> of the GPL for the Ethernet core based on their driver, without writing
> a full spec of the driver like it was done for b43.

OK, I'll stay away from this driver for now (license).


>> I'm not sure if we want linux-wireless to be ML, if we already have
>> some Ethernet driver. Some network-general ML makes more sense then.
>> Maybe netdev would be better.
>
> Some of the embedded devices also have a USB core on the BCMA bus and a
> pci(e) host controller to connect other pci(e) devices. As most of the
> patches for ssb came from the wireless guys and I do not thing this will
> be different for bcma, I thing the wireless mailing list is the correct
> place.

Ups, yeah, you're right. I didn't think about USB, V90, PCI(e), etc...
I think situations linux-wireless as most active or linux-kernel as
most generic should be used. I think I'm fine with linux-wireless.

-- 
RafaÅ
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