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+From 6f334c2b3966f10cbd089bb124ec0e114d8d8c77 Mon Sep 17 00:00:00 2001
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+From: Larry Finger <[email protected]>
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+Date: Fri, 12 Jul 2013 15:32:15 -0500
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+Subject: [PATCH] rtlwifi: Fix build errors for unusual cases
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+
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+The present build configuration for the rtlwifi family of drivers will
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+fail under two known conditions:
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+
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+(1) If rtlwifi is selected without selecting any of the dependent drivers,
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+ there are errors in the build.
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+(2) If the PCI drivers are built into the kernel and the USB drivers are modules,
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+ or vice versa, there are missing globals.
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+
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+The first condition is fixed by never building rtlwifi unless at least one
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+of the device drivers is selected. The second failure is fixed by splitting
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+the PCI and USB codes out of rtlwifi, and creating their own mini drivers.
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+If the drivers that use them are modules, they will also be modules.
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+
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+Although a number of files are touched by this patch, only Makefile and Kconfig
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+have undergone significant changes. The only modifications to the other files
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+were to export entry points needed by the new rtl_pci and rtl_usb units, or to
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+rename two variables that had names that were likely to cause namespace collisions.
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+
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+Reported-by: Fengguang Wu <[email protected]> [Condition 1]
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+Reported-by: Ben Hutchings <[email protected]> [Condition 2]
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+Signed-off-by: Larry Finger <[email protected]>
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+Cc: Ben Hutchings <[email protected]>
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+Cc: Fengguang Wu <[email protected]>
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+Signed-off-by: John W. Linville <[email protected]>
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+---
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+ drivers/net/wireless/rtlwifi/Kconfig | 72 +++++++++++++++++++++++------------
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+ drivers/net/wireless/rtlwifi/Makefile | 10 ++---
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+ drivers/net/wireless/rtlwifi/base.c | 19 +++++++--
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+ drivers/net/wireless/rtlwifi/base.h | 2 +-
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+ drivers/net/wireless/rtlwifi/core.c | 1 +
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+ drivers/net/wireless/rtlwifi/debug.c | 1 +
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+ drivers/net/wireless/rtlwifi/efuse.c | 1 +
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+ drivers/net/wireless/rtlwifi/pci.c | 9 ++++-
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+ drivers/net/wireless/rtlwifi/ps.c | 4 ++
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+ drivers/net/wireless/rtlwifi/usb.c | 7 ++++
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+ 10 files changed, 91 insertions(+), 35 deletions(-)
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+
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+--- a/drivers/net/wireless/rtlwifi/Kconfig
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++++ b/drivers/net/wireless/rtlwifi/Kconfig
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+@@ -1,29 +1,22 @@
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+-config RTLWIFI
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+- tristate "Realtek wireless card support"
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++menuconfig RTL_CARDS
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++ tristate "Realtek rtlwifi family of devices"
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+ depends on m
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+- depends on MAC80211
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+- select BACKPORT_FW_LOADER
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+- ---help---
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+- This is common code for RTL8192CE/RTL8192CU/RTL8192SE/RTL8723AE
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+- drivers. This module does nothing by itself - the various front-end
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+- drivers need to be enabled to support any desired devices.
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+-
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+- If you choose to build as a module, it'll be called rtlwifi.
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+-
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+-config RTLWIFI_DEBUG
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+- bool "Debugging output for rtlwifi driver family"
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+- depends on RTLWIFI
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++ depends on MAC80211 && (PCI || USB)
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+ default y
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+ ---help---
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+- To use the module option that sets the dynamic-debugging level for,
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+- the front-end driver, this parameter must be "Y". For memory-limited
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+- systems, choose "N". If in doubt, choose "Y".
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++ This option will enable support for the Realtek mac80211-based
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++ wireless drivers. Drivers rtl8192ce, rtl8192cu, rtl8192se, rtl8192de,
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++ rtl8723eu, and rtl8188eu share some common code.
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++
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++if RTL_CARDS
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+
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+ config RTL8192CE
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+ tristate "Realtek RTL8192CE/RTL8188CE Wireless Network Adapter"
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+ depends on m
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+- depends on RTLWIFI && PCI
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++ depends on PCI
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+ select RTL8192C_COMMON
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++ select RTLWIFI
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++ select RTLWIFI_PCI
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+ ---help---
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+ This is the driver for Realtek RTL8192CE/RTL8188CE 802.11n PCIe
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+ wireless network adapters.
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+@@ -33,7 +26,9 @@ config RTL8192CE
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+ config RTL8192SE
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+ tristate "Realtek RTL8192SE/RTL8191SE PCIe Wireless Network Adapter"
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+ depends on m
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+- depends on RTLWIFI && PCI
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++ depends on PCI
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++ select RTLWIFI
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++ select RTLWIFI_PCI
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+ ---help---
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+ This is the driver for Realtek RTL8192SE/RTL8191SE 802.11n PCIe
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+ wireless network adapters.
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+@@ -43,7 +38,9 @@ config RTL8192SE
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+ config RTL8192DE
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+ tristate "Realtek RTL8192DE/RTL8188DE PCIe Wireless Network Adapter"
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+ depends on m
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+- depends on RTLWIFI && PCI
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++ depends on PCI
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++ select RTLWIFI
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++ select RTLWIFI_PCI
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+ ---help---
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+ This is the driver for Realtek RTL8192DE/RTL8188DE 802.11n PCIe
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+ wireless network adapters.
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+@@ -53,7 +50,9 @@ config RTL8192DE
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+ config RTL8723AE
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+ tristate "Realtek RTL8723AE PCIe Wireless Network Adapter"
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+ depends on m
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+- depends on RTLWIFI && PCI
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++ depends on PCI
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++ select RTLWIFI
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++ select RTLWIFI_PCI
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+ ---help---
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+ This is the driver for Realtek RTL8723AE 802.11n PCIe
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+ wireless network adapters.
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+@@ -63,7 +62,9 @@ config RTL8723AE
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+ config RTL8188EE
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+ tristate "Realtek RTL8188EE Wireless Network Adapter"
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+ depends on m
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+- depends on RTLWIFI && PCI
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++ depends on PCI
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++ select RTLWIFI
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++ select RTLWIFI_PCI
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+ ---help---
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+ This is the driver for Realtek RTL8188EE 802.11n PCIe
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+ wireless network adapters.
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+@@ -73,7 +74,9 @@ config RTL8188EE
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+ config RTL8192CU
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+ tristate "Realtek RTL8192CU/RTL8188CU USB Wireless Network Adapter"
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+ depends on m
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+- depends on RTLWIFI && USB
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++ depends on USB
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++ select RTLWIFI
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++ select RTLWIFI_USB
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+ select RTL8192C_COMMON
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+ ---help---
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+ This is the driver for Realtek RTL8192CU/RTL8188CU 802.11n USB
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+@@ -81,8 +84,32 @@ config RTL8192CU
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+
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+ If you choose to build it as a module, it will be called rtl8192cu
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+
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++config RTLWIFI
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++ tristate "Realtek common driver part"
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++ depends on m
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++ select BACKPORT_FW_LOADER
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++
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++config RTLWIFI_PCI
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++ depends on m
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++ tristate
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++
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++config RTLWIFI_USB
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++ depends on m
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++ tristate
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++
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++config RTLWIFI_DEBUG
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++ bool "Debugging output for rtlwifi driver family"
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++ depends on RTLWIFI
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++ default y
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++ ---help---
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++ To use the module option that sets the dynamic-debugging level for,
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++ the front-end driver, this parameter must be "Y". For memory-limited
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++ systems, choose "N". If in doubt, choose "Y".
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++
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+ config RTL8192C_COMMON
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+ tristate
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+ depends on m
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+ depends on RTL8192CE || RTL8192CU
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+ default m
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++
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++endif
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+--- a/drivers/net/wireless/rtlwifi/Makefile
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++++ b/drivers/net/wireless/rtlwifi/Makefile
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+@@ -12,13 +12,11 @@ rtlwifi-objs := \
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+
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+ rtl8192c_common-objs += \
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+
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+-ifneq ($(CONFIG_PCI),)
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+-rtlwifi-objs += pci.o
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+-endif
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++obj-$(CPTCFG_RTLWIFI_PCI) += rtl_pci.o
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++rtl_pci-objs := pci.o
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+
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+-ifneq ($(CONFIG_USB),)
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+-rtlwifi-objs += usb.o
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+-endif
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++obj-$(CPTCFG_RTLWIFI_USB) += rtl_usb.o
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++rtl_usb-objs := usb.o
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+
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+ obj-$(CPTCFG_RTL8192C_COMMON) += rtl8192c/
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+ obj-$(CPTCFG_RTL8192CE) += rtl8192ce/
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+--- a/drivers/net/wireless/rtlwifi/base.c
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++++ b/drivers/net/wireless/rtlwifi/base.c
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+@@ -173,6 +173,7 @@ u8 rtl_tid_to_ac(u8 tid)
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+ {
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+ return tid_to_ac[tid];
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+ }
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++EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
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+
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+ static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
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+ struct ieee80211_sta_ht_cap *ht_cap)
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+@@ -407,6 +408,7 @@ void rtl_deinit_deferred_work(struct iee
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+ cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
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+ cancel_delayed_work(&rtlpriv->works.fwevt_wq);
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+ }
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++EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
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+
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+ void rtl_init_rfkill(struct ieee80211_hw *hw)
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+ {
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+@@ -440,6 +442,7 @@ void rtl_deinit_rfkill(struct ieee80211_
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+ {
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+ wiphy_rfkill_stop_polling(hw->wiphy);
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+ }
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++EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
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+
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+ int rtl_init_core(struct ieee80211_hw *hw)
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+ {
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+@@ -490,10 +493,12 @@ int rtl_init_core(struct ieee80211_hw *h
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+
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+ return 0;
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+ }
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++EXPORT_SYMBOL_GPL(rtl_init_core);
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+
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+ void rtl_deinit_core(struct ieee80211_hw *hw)
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+ {
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+ }
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++EXPORT_SYMBOL_GPL(rtl_deinit_core);
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+
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+ void rtl_init_rx_config(struct ieee80211_hw *hw)
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+ {
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+@@ -502,6 +507,7 @@ void rtl_init_rx_config(struct ieee80211
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+
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+ rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
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+ }
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++EXPORT_SYMBOL_GPL(rtl_init_rx_config);
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+
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+ /*********************************************************
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+ *
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+@@ -880,6 +886,7 @@ bool rtl_tx_mgmt_proc(struct ieee80211_h
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+
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+ return true;
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+ }
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++EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
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+
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+ void rtl_get_tcb_desc(struct ieee80211_hw *hw,
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+ struct ieee80211_tx_info *info,
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+@@ -1053,6 +1060,7 @@ bool rtl_action_proc(struct ieee80211_hw
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+
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+ return true;
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+ }
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++EXPORT_SYMBOL_GPL(rtl_action_proc);
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+
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+ /*should call before software enc*/
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+ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
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+@@ -1126,6 +1134,7 @@ u8 rtl_is_special_data(struct ieee80211_
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+
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+ return false;
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+ }
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++EXPORT_SYMBOL_GPL(rtl_is_special_data);
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+
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+ /*********************************************************
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+ *
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+@@ -1301,6 +1310,7 @@ void rtl_beacon_statistic(struct ieee802
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+
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+ rtlpriv->link_info.bcn_rx_inperiod++;
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+ }
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++EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
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+
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+ void rtl_watchdog_wq_callback(void *data)
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+ {
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+@@ -1794,6 +1804,7 @@ void rtl_recognize_peer(struct ieee80211
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+
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+ mac->vendor = vendor;
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+ }
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++EXPORT_SYMBOL_GPL(rtl_recognize_peer);
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+
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+ /*********************************************************
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+ *
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+@@ -1850,6 +1861,7 @@ struct attribute_group rtl_attribute_gro
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+ .name = "rtlsysfs",
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+ .attrs = rtl_sysfs_entries,
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+ };
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++EXPORT_SYMBOL_GPL(rtl_attribute_group);
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+
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+ MODULE_AUTHOR("lizhaoming <[email protected]>");
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+ MODULE_AUTHOR("Realtek WlanFAE <[email protected]>");
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+@@ -1857,7 +1869,8 @@ MODULE_AUTHOR("Larry Finger <Larry.FInge
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+ MODULE_LICENSE("GPL");
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+ MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
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+
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+-struct rtl_global_var global_var = {};
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++struct rtl_global_var rtl_global_var = {};
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++EXPORT_SYMBOL_GPL(rtl_global_var);
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+
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+ static int __init rtl_core_module_init(void)
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+ {
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+@@ -1865,8 +1878,8 @@ static int __init rtl_core_module_init(v
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+ pr_err("Unable to register rtl_rc, use default RC !!\n");
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+
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+ /* init some global vars */
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+- INIT_LIST_HEAD(&global_var.glb_priv_list);
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+- spin_lock_init(&global_var.glb_list_lock);
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++ INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
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++ spin_lock_init(&rtl_global_var.glb_list_lock);
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+
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+ return 0;
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+ }
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+--- a/drivers/net/wireless/rtlwifi/base.h
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++++ b/drivers/net/wireless/rtlwifi/base.h
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+@@ -147,7 +147,7 @@ void rtl_recognize_peer(struct ieee80211
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+ u8 rtl_tid_to_ac(u8 tid);
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+ extern struct attribute_group rtl_attribute_group;
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+ void rtl_easy_concurrent_retrytimer_callback(unsigned long data);
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+-extern struct rtl_global_var global_var;
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++extern struct rtl_global_var rtl_global_var;
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+ int rtlwifi_rate_mapping(struct ieee80211_hw *hw,
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+ bool isht, u8 desc_rate, bool first_ampdu);
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+ bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb);
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+--- a/drivers/net/wireless/rtlwifi/core.c
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++++ b/drivers/net/wireless/rtlwifi/core.c
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+@@ -1330,3 +1330,4 @@ const struct ieee80211_ops rtl_ops = {
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+ .rfkill_poll = rtl_op_rfkill_poll,
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+ .flush = rtl_op_flush,
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+ };
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++EXPORT_SYMBOL_GPL(rtl_ops);
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+--- a/drivers/net/wireless/rtlwifi/debug.c
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++++ b/drivers/net/wireless/rtlwifi/debug.c
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+@@ -51,3 +51,4 @@ void rtl_dbgp_flag_init(struct ieee80211
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+
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+ /*Init Debug flag enable condition */
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+ }
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++EXPORT_SYMBOL_GPL(rtl_dbgp_flag_init);
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+--- a/drivers/net/wireless/rtlwifi/efuse.c
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++++ b/drivers/net/wireless/rtlwifi/efuse.c
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+@@ -229,6 +229,7 @@ void read_efuse_byte(struct ieee80211_hw
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+
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+ *pbuf = (u8) (value32 & 0xff);
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+ }
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++EXPORT_SYMBOL_GPL(read_efuse_byte);
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+
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+ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
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+ {
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+--- a/drivers/net/wireless/rtlwifi/pci.c
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++++ b/drivers/net/wireless/rtlwifi/pci.c
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+@@ -35,6 +35,13 @@
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+ #include "efuse.h"
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+ #include <linux/export.h>
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+ #include <linux/kmemleak.h>
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++#include <linux/module.h>
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++
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++MODULE_AUTHOR("lizhaoming <[email protected]>");
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++MODULE_AUTHOR("Realtek WlanFAE <[email protected]>");
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++MODULE_AUTHOR("Larry Finger <[email protected]>");
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++MODULE_LICENSE("GPL");
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++MODULE_DESCRIPTION("PCI basic driver for rtlwifi");
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+
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+ static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = {
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+ PCI_VENDOR_ID_INTEL,
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+@@ -1899,7 +1906,7 @@ int rtl_pci_probe(struct pci_dev *pdev,
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+ rtlpriv->rtlhal.interface = INTF_PCI;
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+ rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_data);
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+ rtlpriv->intf_ops = &rtl_pci_ops;
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+- rtlpriv->glb_var = &global_var;
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++ rtlpriv->glb_var = &rtl_global_var;
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+
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+ /*
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+ *init dbgp flags before all
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+--- a/drivers/net/wireless/rtlwifi/ps.c
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++++ b/drivers/net/wireless/rtlwifi/ps.c
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+@@ -269,6 +269,7 @@ void rtl_ips_nic_on(struct ieee80211_hw
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+
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+ spin_unlock_irqrestore(&rtlpriv->locks.ips_lock, flags);
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+ }
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++EXPORT_SYMBOL_GPL(rtl_ips_nic_on);
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+
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+ /*for FW LPS*/
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+
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+@@ -518,6 +519,7 @@ void rtl_swlps_beacon(struct ieee80211_h
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+ "u_bufferd: %x, m_buffered: %x\n", u_buffed, m_buffed);
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+ }
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+ }
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++EXPORT_SYMBOL_GPL(rtl_swlps_beacon);
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+
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+ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
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+ {
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+@@ -922,3 +925,4 @@ void rtl_p2p_info(struct ieee80211_hw *h
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+ else
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+ rtl_p2p_noa_ie(hw, data, len - FCS_LEN);
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|
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+ }
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|
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++EXPORT_SYMBOL_GPL(rtl_p2p_info);
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|
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+--- a/drivers/net/wireless/rtlwifi/usb.c
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++++ b/drivers/net/wireless/rtlwifi/usb.c
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+@@ -32,6 +32,13 @@
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+ #include "ps.h"
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+ #include "rtl8192c/fw_common.h"
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+ #include <linux/export.h>
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|
|
++#include <linux/module.h>
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++
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++MODULE_AUTHOR("lizhaoming <[email protected]>");
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++MODULE_AUTHOR("Realtek WlanFAE <[email protected]>");
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|
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++MODULE_AUTHOR("Larry Finger <[email protected]>");
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|
|
++MODULE_LICENSE("GPL");
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|
|
++MODULE_DESCRIPTION("USB basic driver for rtlwifi");
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|
|
+
|
|
|
+ #define REALTEK_USB_VENQT_READ 0xC0
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|
|
+ #define REALTEK_USB_VENQT_WRITE 0x40
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Jonas Gorski