WSL2-Linux-Kernel/drivers/bcma
David S. Miller d5b160d342 wireless-drivers-next patches for 4.8
Major changes:
 
 wl18xx
 
 * add initial mesh support
 
 bcma
 
 * serial flash support on non-MIPS SoCs
 
 ath10k
 
 * enable support for QCA9888
 * disable wake_tx_queue() mac80211 op for older devices to workaround
   throughput regression
 
 ath9k
 
 * implement temperature compensation support for AR9003+
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Merge tag 'wireless-drivers-next-for-davem-2016-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
pull-request: wireless-drivers-next 2016-07-22

I'm sick so I have to keep this short, but here's the last pull request
to net-next. This time there's a trivial conflict with mtd tree:

http://lkml.kernel.org/g/20160720123133.44dab209@canb.auug.org.au

We concluded with Brian (CCed) that it's best that we ask Linus to fix
this. The patches have been in linux-next for a couple of days. This
time I haven't done any merge tests so I don't know if there are any
other conflicts etc.

Please let me know if there are any problems.

wireless-drivers-next patches for 4.8

Major changes:

wl18xx

* add initial mesh support

bcma

* serial flash support on non-MIPS SoCs

ath10k

* enable support for QCA9888
* disable wake_tx_queue() mac80211 op for older devices to workaround
  throughput regression

ath9k

* implement temperature compensation support for AR9003+
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-25 11:09:19 -07:00
..
Kconfig bcma: allow enabling serial flash support on non-MIPS SoCs 2016-07-18 22:43:35 +03:00
Makefile bcma: move parallel flash support to separated file 2016-03-07 14:41:08 +02:00
README
TODO
bcma_private.h x86/quirks: Add early quirk to reset Apple AirPort card 2016-07-10 20:13:53 +02:00
core.c bcma: update core (en|dis)abling functions 2013-06-17 14:38:53 -04:00
driver_chipcommon.c bcma: move flash detection code to ChipCommon core driver 2016-03-07 14:41:08 +02:00
driver_chipcommon_b.c bcma: define ChipCommon B MII registers 2016-07-19 21:13:10 +03:00
driver_chipcommon_nflash.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2013-02-14 14:23:33 -05:00
driver_chipcommon_pflash.c bcma: move parallel flash support to separated file 2016-03-07 14:41:08 +02:00
driver_chipcommon_pmu.c bcma: support PMU present as separated bus core 2016-02-06 13:36:11 +02:00
driver_chipcommon_sflash.c mtd: bcm47xxsflash: use ioremap_cache() instead of KSEG0ADDR() 2016-04-04 00:07:57 -07:00
driver_gmac_cmn.c Drivers: bcma: remove __dev* attributes. 2013-01-03 15:57:15 -08:00
driver_gpio.c Major changes: 2016-02-16 20:38:29 -05:00
driver_mips.c bcma: move flash detection code to ChipCommon core driver 2016-03-07 14:41:08 +02:00
driver_pci.c bcma: move PCI IRQ control function to host specific code 2015-03-13 16:25:50 +02:00
driver_pci_host.c bcma: add missing includes 2015-03-03 15:26:38 +02:00
driver_pcie2.c bcma: add missing includes 2015-03-03 15:26:38 +02:00
host_pci.c bcma: add PCI ID for Foxconn's BCM43142 device 2016-07-18 22:38:24 +03:00
host_soc.c bcma: use standard bus scanning during early register 2015-01-23 21:47:55 +02:00
main.c bcma: fix building without OF_IRQ 2016-03-23 17:52:10 +02:00
scan.c bcma: support chipsets with PMU and GCI cores (devices) 2016-02-06 13:34:51 +02:00
scan.h bcma: fix typo - reading number of slave wrappers 2012-07-12 15:27:17 -04:00
sprom.c bcma: detect SPROM revision 11 2015-01-29 10:49:28 +02:00

README

Broadcom introduced new bus as replacement for older SSB. It is based on AMBA,
however from programming point of view there is nothing AMBA specific we use.

Standard AMBA drivers are platform specific, have hardcoded addresses and use
AMBA standard fields like CID and PID.

In case of Broadcom's cards every device consists of:
1) Broadcom specific AMBA device. It is put on AMBA bus, but can not be treated
   as standard AMBA device. Reading it's CID or PID can cause machine lockup.
2) AMBA standard devices called ports or wrappers. They have CIDs (AMBA_CID)
   and PIDs (0x103BB369), but we do not use that info for anything. One of that
   devices is used for managing Broadcom specific core.

Addresses of AMBA devices are not hardcoded in driver and have to be read from
EPROM.

In this situation we decided to introduce separated bus. It can contain up to
16 devices identified by Broadcom specific fields: manufacturer, id, revision
and class.