From 8be12510c972e15690b4e4c0cf78d6ea5f233ed2 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Wed, 23 Apr 2014 07:52:18 +0000 Subject: mac80211: rt2x00: add support for the RT3662/RT3883 SoCs Signed-off-by: Gabor Juhos SVN-Revision: 40558 --- ...00lib-introduce-RT2800_HAS_HIGH_SHARED_ME.patch | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 package/kernel/mac80211/patches/600-0002-rt2x00-rt2800lib-introduce-RT2800_HAS_HIGH_SHARED_ME.patch (limited to 'package/kernel/mac80211/patches/600-0002-rt2x00-rt2800lib-introduce-RT2800_HAS_HIGH_SHARED_ME.patch') diff --git a/package/kernel/mac80211/patches/600-0002-rt2x00-rt2800lib-introduce-RT2800_HAS_HIGH_SHARED_ME.patch b/package/kernel/mac80211/patches/600-0002-rt2x00-rt2800lib-introduce-RT2800_HAS_HIGH_SHARED_ME.patch new file mode 100644 index 0000000000..3b11b155c1 --- /dev/null +++ b/package/kernel/mac80211/patches/600-0002-rt2x00-rt2800lib-introduce-RT2800_HAS_HIGH_SHARED_ME.patch @@ -0,0 +1,80 @@ +From a7f268af31dddf763fe3dbe9cbf96ea77e0540e0 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sat, 17 Aug 2013 19:31:41 +0200 +Subject: [PATCH] rt2x00: rt2800lib: introduce RT2800_HAS_HIGH_SHARED_MEM flag + +Some chipsets have more than 16KB of shared memory. +Introduce a new rt2800 specific flag to indicate that +and add a helper function which helps to check the +presence of the new flag. + +Also enable the new flag for the RT3593 chipset which +has 24KB of shared memory. The flag can also be used +for other chipsets, but none of those has been tested +yet. + +Signed-off-by: Gabor Juhos +--- +Changes since v1: + - don't enable the new flag for RT3071 and RT5592 +--- + drivers/net/wireless/rt2x00/rt2800lib.c | 4 ++++ + drivers/net/wireless/rt2x00/rt2800lib.h | 13 +++++++++++++ + 2 files changed, 17 insertions(+) + +--- a/drivers/net/wireless/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/rt2x00/rt2800lib.c +@@ -7712,6 +7712,7 @@ static int rt2800_probe_rt(struct rt2x00 + + int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev) + { ++ struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; + int retval; + u32 reg; + +@@ -7719,6 +7720,9 @@ int rt2800_probe_hw(struct rt2x00_dev *r + if (retval) + return retval; + ++ if (rt2x00_rt(rt2x00dev, RT3593)) ++ __set_bit(RT2800_HAS_HIGH_SHARED_MEM, &drv_data->rt2800_flags); ++ + /* + * Allocate eeprom data. + */ +--- a/drivers/net/wireless/rt2x00/rt2800lib.h ++++ b/drivers/net/wireless/rt2x00/rt2800lib.h +@@ -20,6 +20,10 @@ + #ifndef RT2800LIB_H + #define RT2800LIB_H + ++enum rt2800_flag { ++ RT2800_HAS_HIGH_SHARED_MEM, ++}; ++ + /* RT2800 driver data structure */ + struct rt2800_drv_data { + u8 calibration_bw20; +@@ -29,6 +33,8 @@ struct rt2800_drv_data { + u8 txmixer_gain_24g; + u8 txmixer_gain_5g; + unsigned int tbtt_tick; ++ ++ unsigned long rt2800_flags; + }; + + struct rt2800_ops { +@@ -61,6 +67,13 @@ struct rt2800_ops { + __le32 *(*drv_get_txwi)(struct queue_entry *entry); + }; + ++static inline bool rt2800_has_high_shared_mem(struct rt2x00_dev *rt2x00dev) ++{ ++ struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; ++ ++ return test_bit(RT2800_HAS_HIGH_SHARED_MEM, &drv_data->rt2800_flags); ++} ++ + static inline void rt2800_register_read(struct rt2x00_dev *rt2x00dev, + const unsigned int offset, + u32 *value) -- cgit v1.2.3