Re: [Qemu-devel] [PATCH v3 0/5] Remove sysbus_add_memory and sysbus_del_memory

["Andreas Färber" <afaerber@suse.de>]

Am 28.03.2013 12:25, schrieb Peter Maydell:
> Ping!

All patches have at least one Reviewed-by or Acked-by including that of
the lm32 maintainer, so you could just apply these to arm-devs.next, no?

Andreas

> 
> -- PMM
> 
> On 15 March 2013 14:34, Peter Maydell <peter.maydell@linaro.org> wrote:
>> The functions sysbus_add_memory and sysbus_del_memory are odd wrappers
>> around around memory_region_add/del_subregion, and their presence
>> is an encouragement to devices to try to map their own memory
>> regions into the system address space.
>>
>> Since they're only used in a couple of places in the milkymist
>> and musicpal platforms, rewrite those uses to have the sysbus
>> devices expose the memory regions as sysbus mmio regions, and
>> then have the creator of the device (ie board code) map them
>> in the right places. Then we can remove the functions altogether.
>>
>> The series includes a trivial patch to sysbus to make the init
>> method optional, since (as part of the move towards using only
>> instance_init and realize) it's now possible to have a simple
>> functional device which only needs an instance_init method
>> and no realize or init [the musicpal-misc device introduced
>> in patch 2 being one such example].
>>
>> Tested on both musicpal and milkymist.
>>
>> I rather suspect sysbus_add_io and sysbus_del_io should also be
>> removed, but since their users are in PPC and x86 platforms I'll
>> let somebody else do that part :-)
>>
>> Changes v2->v3:
>>  * changed field name of parent obj in MusicPalMiscState to
>>    'parent_obj' as per convention
>>  * rebased on master
>> Changes v1->v2:
>>  * updated 'qdevify musicpal-misc' to drop unneeded typedef
>>    and QOM macros, as per review discussion
>>
>>
>> Peter Maydell (5):
>>   sysbus: make SysBusDeviceClass::init optional
>>   musicpal: qdevify musicpal-misc
>>   milkymist-minimac2: Just expose buffers as a sysbus mmio region
>>   milkymist-softusb: Don't map RAM memory regions in the device itself
>>   sysbus: Remove sysbus_add_memory and sysbus_del_memory
>>
>>  hw/arm/musicpal.c       |   28 +++++++++++++++++++++++-----
>>  hw/milkymist-hw.h       |    6 +++---
>>  hw/milkymist-minimac2.c |    5 +----
>>  hw/milkymist-softusb.c  |   21 +++++++++++----------
>>  hw/sysbus.c             |   21 +++------------------
>>  hw/sysbus.h             |    5 -----
>>  6 files changed, 41 insertions(+), 45 deletions(-)
>>
>> --
>> 1.7.9.5
>>
>>
> 


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