On 05/09/2011 06:56 PM, RafaÅ MiÅecki wrote:
Broadcom has released cards based on a new AMBA-based bus type. From a
programming point of view, this new bus type differs from AMBA and does
not use AMBA common registers. It also differs enough from SSB. We
decided that a new bus driver is needed to keep the code clean.
In its current form, the driver detects devices present on the bus and
registers them in the system. It allows registering BCMA drivers for
specified bus devices and provides them basic operations. The bus driver
itself includes two important bus managing drivers: ChipCommon core
driver and PCI(c) core driver. They are early used to allow correct
initialization.
Currently code is limited to supporting buses on PCI(e) devices, however
the driver is designed to be used also on other hosts. The host
abstraction layer is implemented and already used for PCI(e).
Support for PCI(e) hosts is working and seems to be stable (access to
80211 core was tested successfully on a few devices). We can still
optimize it by using some fixed windows, but this can be done later
without affecting any external code. Windows are just ranges in MMIO
used for accessing cores on the bus.
Hi RafaÅ,
Just some minor feedback on coding style. I wanted to make a change in
host_pci.c to avoid changing the PCI BAR window and noticed following:
1. indentation is all spaces.
2. initial indent is 7 spaces, and subsequent indents are 8 spaces.
3. pointer assignment: ptr =&var;
4. output parameter: foo(bar,&yabar);
I am not sure whether checkpatch.pl triggers on any of these, but can we
fix at least items 1) and 2).
Gr. AvS
--
Almost nobody dances sober, unless they happen to be insane.
-- H.P. Lovecraft --
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