Public bug reported:

As part of the RaspberryPI BSP we got this commit:

https://github.com/raspberrypi/linux/commit/9ee31007a5032a3afe2fcb20c36b34f0ad57df56

-----------------------------------------------------------------------------------------------------------------------------------------

 Add non-mainline source for rtl8192cu wireless driver version v4.0.2_…

…9000 as this is widely used. Disabled older rtlwifi driver

8192cu needs old wireless extensions

The obsolete WIRELESS_EXT configuration is used
by the old Realtek code and is needed for AP support.

8192cu: CONFIG_AP_MODE hardcoded in autoconf.h

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that disables the Realtek driver in drivers/net/wireless/realtek/rtlwifi
from building, and instead pull in its own proprietary version in
drivers/net/wireless/realtek/rtl8192cu.

This result in a difference in the number or rtl8192 drivers shipped
with generic:

drivers/net/wireless/realtek/rtlwifi/rtl8192c/rtl8192c-common.ko
drivers/net/wireless/realtek/rtlwifi/rtl8192ce
drivers/net/wireless/realtek/rtlwifi/rtl8192ce/rtl8192ce.ko
drivers/net/wireless/realtek/rtlwifi/rtl8192cu
drivers/net/wireless/realtek/rtlwifi/rtl8192cu/rtl8192cu.ko
drivers/net/wireless/realtek/rtlwifi/rtl8192de
drivers/net/wireless/realtek/rtlwifi/rtl8192de/rtl8192de.ko
drivers/net/wireless/realtek/rtlwifi/rtl8192ee
drivers/net/wireless/realtek/rtlwifi/rtl8192ee/rtl8192ee.ko
drivers/net/wireless/realtek/rtlwifi/rtl8192se
drivers/net/wireless/realtek/rtlwifi/rtl8192se/rtl8192se.ko

versus the only 8192 driver that we ship in linux-raspi2 due to the
commit above:

drivers/net/wireless/realtek/rtl8192cu
drivers/net/wireless/realtek/rtl8192cu/8192cu.ko

Feature wise is not yet clear which of the two is preferable (and why),
plus the raspi3 is shipping with a wifi chip and we should be careful
not to break support for it.

** Affects: linux-raspi2 (Ubuntu)
     Importance: Undecided
     Assignee: Paolo Pisati (p-pisati)
         Status: New

** Changed in: linux-raspi2 (Ubuntu)
     Assignee: (unassigned) => Paolo Pisati (p-pisati)

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https://bugs.launchpad.net/bugs/1577421

Title:
  linux-raspi2: rtl8192cu vs 8192cu

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