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authorIngo Molnar <mingo@kernel.org>2012-04-13 09:50:21 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-13 09:50:21 +0200
commit659c36fcda403013a01b85da07cf2d9711e6d6c7 (patch)
treeece2e7d0e2c19ea5a3d0ec172ad0b81a8a19021d /drivers/net/wireless/ath/carl9170/mac.c
parent9521d830b6341d1887dcfc2aebde23fbfa5f1473 (diff)
parent5a7ed29c7572d00a75e8c4529e30c5ac2ef82271 (diff)
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Fixes and improvements for perf/core: . Overhaul the tools/ makefiles, gluing them to the top level Makefile, from Borislav Petkov. . Move the UI files from tools/perf/util/ui/ to tools/perf/ui/. Also move the GTK+ browser to tools/perf/ui/gtk/, from Namhyung Kim. . Only fallback to sw cycles counter on ENOENT for the hw cycles, from Robert Richter . Trivial fixes from Robert Richter . Handle the autogenerated bison/flex files better, from Namhyung and Jiri Olsa. . Navigate jump instructions in the annotate browser, just press enter or ->, still needs support for a jump navigation history, i.e. to go back. . Search string in the annotate browser: same keys as vim: / forward n next backward/forward ? backward . Clarify number of events/samples in the report header, from Ashay Rane Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/wireless/ath/carl9170/mac.c')
-rw-r--r--drivers/net/wireless/ath/carl9170/mac.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/carl9170/mac.c b/drivers/net/wireless/ath/carl9170/mac.c
index dfda9197099..53415bfd8be 100644
--- a/drivers/net/wireless/ath/carl9170/mac.c
+++ b/drivers/net/wireless/ath/carl9170/mac.c
@@ -485,3 +485,38 @@ int carl9170_disable_key(struct ar9170 *ar, const u8 id)
return carl9170_exec_cmd(ar, CARL9170_CMD_DKEY,
sizeof(key), (u8 *)&key, 0, NULL);
}
+
+int carl9170_set_mac_tpc(struct ar9170 *ar, struct ieee80211_channel *channel)
+{
+ unsigned int power, chains;
+
+ if (ar->eeprom.tx_mask != 1)
+ chains = AR9170_TX_PHY_TXCHAIN_2;
+ else
+ chains = AR9170_TX_PHY_TXCHAIN_1;
+
+ switch (channel->band) {
+ case IEEE80211_BAND_2GHZ:
+ power = ar->power_2G_ofdm[0] & 0x3f;
+ break;
+ case IEEE80211_BAND_5GHZ:
+ power = ar->power_5G_leg[0] & 0x3f;
+ break;
+ default:
+ BUG_ON(1);
+ }
+
+ power = min_t(unsigned int, power, ar->hw->conf.power_level * 2);
+
+ carl9170_regwrite_begin(ar);
+ carl9170_regwrite(AR9170_MAC_REG_ACK_TPC,
+ 0x3c1e | power << 20 | chains << 26);
+ carl9170_regwrite(AR9170_MAC_REG_RTS_CTS_TPC,
+ power << 5 | chains << 11 |
+ power << 21 | chains << 27);
+ carl9170_regwrite(AR9170_MAC_REG_CFEND_QOSNULL_TPC,
+ power << 5 | chains << 11 |
+ power << 21 | chains << 27);
+ carl9170_regwrite_finish();
+ return carl9170_regwrite_result();
+}