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linux/drivers/net/wireless/broadcom/b43/radio_2059.c

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b43: HT-PHY: define standard structs for channel switching Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-19 18:17:19 +08:00
/*
Broadcom B43 wireless driver
IEEE 802.11n 2059 radio device data tables
b43: add my copyrights and myself as the module author Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-04 03:01:02 +08:00
Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
b43: HT-PHY: define standard structs for channel switching Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-19 18:17:19 +08:00
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "b43.h"
#include "radio_2059.h"
b43: HT-PHY: Complete radio init (add missing entries) Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-10 03:17:09 +08:00
/* Extracted from MMIO dump of 6.30.223.141 */
static u16 r2059_phy_rev1_init[][2] = {
{ 0x051, 0x70 }, { 0x05a, 0x03 }, { 0x079, 0x01 }, { 0x082, 0x70 },
{ 0x083, 0x00 }, { 0x084, 0x70 }, { 0x09a, 0x7f }, { 0x0b6, 0x10 },
{ 0x188, 0x05 },
};
b43: HT-PHY: add channel switching tables for 2 GHz band Tables were taken from observing writes in MMIO dumps. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-27 20:58:54 +08:00
#define RADIOREGS(r00, r01, r02, r03, r04, r05, r06, r07, r08, r09, \
r10, r11, r12, r13, r14, r15, r16, r17, r18, r19, \
b43: HT-PHY: tables: don't duplicate core-generic regs Now when we know many radio regs at 0x000 are core-generic, I've noticed we duplicate some values in the tables. Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
2013-03-17 06:40:01 +08:00
r20) \
b43: HT-PHY: add channel switching tables for 2 GHz band Tables were taken from observing writes in MMIO dumps. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-27 20:58:54 +08:00
.radio_syn16 = r00, \
.radio_syn17 = r01, \
.radio_syn22 = r02, \
.radio_syn25 = r03, \
.radio_syn27 = r04, \
.radio_syn28 = r05, \
.radio_syn29 = r06, \
.radio_syn2c = r07, \
.radio_syn2d = r08, \
.radio_syn37 = r09, \
.radio_syn41 = r10, \
.radio_syn43 = r11, \
.radio_syn47 = r12, \
b43: HT-PHY: tables: don't duplicate core-generic regs Now when we know many radio regs at 0x000 are core-generic, I've noticed we duplicate some values in the tables. Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
2013-03-17 06:40:01 +08:00
.radio_rxtx4a = r13, \
.radio_rxtx58 = r14, \
.radio_rxtx5a = r15, \
.radio_rxtx6a = r16, \
.radio_rxtx6d = r17, \
.radio_rxtx6e = r18, \
.radio_rxtx92 = r19, \
.radio_rxtx98 = r20
b43: HT-PHY: add channel switching tables for 2 GHz band Tables were taken from observing writes in MMIO dumps. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-27 20:58:54 +08:00
#define PHYREGS(r0, r1, r2, r3, r4, r5) \
.phy_regs.bw1 = r0, \
.phy_regs.bw2 = r1, \
.phy_regs.bw3 = r2, \
.phy_regs.bw4 = r3, \
.phy_regs.bw5 = r4, \
.phy_regs.bw6 = r5
b43: HT-PHY: Update values for frequency calibration Previous values were extracted from MMIO dump of some old 5.x driver, new ones should improve calibration. This also adds values for 5 GHz. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-12 16:24:11 +08:00
/* Extracted from MMIO dump of 6.30.223.141
* TODO: Values for channels 12 & 13 are outdated (from some old 5.x driver)!
*/
b43: HT-PHY: add channel switching tables for 2 GHz band Tables were taken from observing writes in MMIO dumps. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-27 20:58:54 +08:00
static const struct b43_phy_ht_channeltab_e_radio2059 b43_phy_ht_channeltab_radio2059[] = {
b43: HT-PHY: Update values for frequency calibration Previous values were extracted from MMIO dump of some old 5.x driver, new ones should improve calibration. This also adds values for 5 GHz. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-12 16:24:11 +08:00
{
.freq = 2412,
RADIOREGS(0x48, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x6c,
0x09, 0x0f, 0x0a, 0x00, 0x0a, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0xd0, 0x00),
PHYREGS(0x03c9, 0x03c5, 0x03c1, 0x043a, 0x043f, 0x0443),
},
{
.freq = 2417,
RADIOREGS(0x4b, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x71,
0x09, 0x0f, 0x0a, 0x00, 0x0a, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0xd0, 0x00),
PHYREGS(0x03cb, 0x03c7, 0x03c3, 0x0438, 0x043d, 0x0441),
},
{
.freq = 2422,
RADIOREGS(0x4e, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x76,
0x09, 0x0f, 0x09, 0x00, 0x09, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0xd0, 0x00),
PHYREGS(0x03cd, 0x03c9, 0x03c5, 0x0436, 0x043a, 0x043f),
},
{
.freq = 2427,
RADIOREGS(0x52, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x7b,
0x09, 0x0f, 0x09, 0x00, 0x09, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0xa0, 0x00),
PHYREGS(0x03cf, 0x03cb, 0x03c7, 0x0434, 0x0438, 0x043d),
},
{
.freq = 2432,
RADIOREGS(0x55, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x80,
0x09, 0x0f, 0x08, 0x00, 0x08, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0xa0, 0x00),
PHYREGS(0x03d1, 0x03cd, 0x03c9, 0x0431, 0x0436, 0x043a),
},
{
.freq = 2437,
RADIOREGS(0x58, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x85,
0x09, 0x0f, 0x08, 0x00, 0x08, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0xa0, 0x00),
PHYREGS(0x03d3, 0x03cf, 0x03cb, 0x042f, 0x0434, 0x0438),
},
{
.freq = 2442,
RADIOREGS(0x5c, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x8a,
0x09, 0x0f, 0x07, 0x00, 0x07, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0x80, 0x00),
PHYREGS(0x03d5, 0x03d1, 0x03cd, 0x042d, 0x0431, 0x0436),
},
{
.freq = 2447,
RADIOREGS(0x5f, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x8f,
0x09, 0x0f, 0x07, 0x00, 0x07, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0x80, 0x00),
PHYREGS(0x03d7, 0x03d3, 0x03cf, 0x042b, 0x042f, 0x0434),
},
{
.freq = 2452,
RADIOREGS(0x62, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x94,
0x09, 0x0f, 0x07, 0x00, 0x07, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0x80, 0x00),
PHYREGS(0x03d9, 0x03d5, 0x03d1, 0x0429, 0x042d, 0x0431),
},
{
.freq = 2457,
RADIOREGS(0x66, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x99,
0x09, 0x0f, 0x06, 0x00, 0x06, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0x60, 0x00),
PHYREGS(0x03db, 0x03d7, 0x03d3, 0x0427, 0x042b, 0x042f),
},
{
.freq = 2462,
RADIOREGS(0x69, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0x9e,
0x09, 0x0f, 0x06, 0x00, 0x06, 0x00, 0x61, 0x73,
0x00, 0x00, 0x00, 0x60, 0x00),
PHYREGS(0x03dd, 0x03d9, 0x03d5, 0x0424, 0x0429, 0x042d),
},
b43: HT-PHY: add channel switching tables for 2 GHz band Tables were taken from observing writes in MMIO dumps. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-27 20:58:54 +08:00
{ .freq = 2467,
RADIOREGS(0x6c, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0xa3,
0x09, 0x0f, 0x05, 0x00, 0x05, 0x00, 0x61, 0x03,
0x00, 0x00, 0x00, 0xf0, 0x00),
PHYREGS(0x03df, 0x03db, 0x03d7, 0x0422, 0x0427, 0x042b),
},
{ .freq = 2472,
RADIOREGS(0x70, 0x16, 0x30, 0x1b, 0x0a, 0x0a, 0x30, 0xa8,
0x09, 0x0f, 0x05, 0x00, 0x05, 0x00, 0x61, 0x03,
0x00, 0x00, 0x00, 0xf0, 0x00),
PHYREGS(0x03e1, 0x03dd, 0x03d9, 0x0420, 0x0424, 0x0429),
},
b43: HT-PHY: Update values for frequency calibration Previous values were extracted from MMIO dump of some old 5.x driver, new ones should improve calibration. This also adds values for 5 GHz. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-12 16:24:11 +08:00
{
.freq = 5180,
RADIOREGS(0xbe, 0x16, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x06,
0x02, 0x0c, 0x00, 0x0c, 0x00, 0x0c, 0x00, 0x00,
0x0f, 0x4f, 0xa3, 0x00, 0xfc),
PHYREGS(0x081c, 0x0818, 0x0814, 0x01f9, 0x01fa, 0x01fb),
},
{
.freq = 5200,
RADIOREGS(0xc5, 0x16, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x08,
0x02, 0x0c, 0x00, 0x0c, 0x00, 0x0c, 0x00, 0x00,
0x0f, 0x4f, 0x93, 0x00, 0xfb),
PHYREGS(0x0824, 0x0820, 0x081c, 0x01f7, 0x01f8, 0x01f9),
},
{
.freq = 5220,
RADIOREGS(0xcc, 0x16, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x0a,
0x02, 0x0c, 0x00, 0x0c, 0x00, 0x0c, 0x00, 0x00,
0x0f, 0x4f, 0x93, 0x00, 0xea),
PHYREGS(0x082c, 0x0828, 0x0824, 0x01f5, 0x01f6, 0x01f7),
},
{
.freq = 5240,
RADIOREGS(0xd2, 0x16, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x0c,
0x02, 0x0c, 0x00, 0x0c, 0x00, 0x0c, 0x00, 0x00,
0x0f, 0x4f, 0x93, 0x00, 0xda),
PHYREGS(0x0834, 0x0830, 0x082c, 0x01f3, 0x01f4, 0x01f5),
},
{
.freq = 5260,
RADIOREGS(0xd9, 0x16, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x0e,
0x02, 0x0b, 0x00, 0x0b, 0x00, 0x0b, 0x00, 0x00,
0x0f, 0x4f, 0x93, 0x00, 0xca),
PHYREGS(0x083c, 0x0838, 0x0834, 0x01f1, 0x01f2, 0x01f3),
},
{
.freq = 5280,
RADIOREGS(0xe0, 0x16, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x10,
0x02, 0x0b, 0x00, 0x0b, 0x00, 0x0b, 0x00, 0x00,
0x0f, 0x4f, 0x93, 0x00, 0xb9),
PHYREGS(0x0844, 0x0840, 0x083c, 0x01f0, 0x01f0, 0x01f1),
},
{
.freq = 5300,
RADIOREGS(0xe6, 0x16, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x12,
0x02, 0x0b, 0x00, 0x0b, 0x00, 0x0b, 0x00, 0x00,
0x0f, 0x4c, 0x83, 0x00, 0xb8),
PHYREGS(0x084c, 0x0848, 0x0844, 0x01ee, 0x01ef, 0x01f0),
},
{
.freq = 5320,
RADIOREGS(0xed, 0x16, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x14,
0x02, 0x0b, 0x00, 0x0b, 0x00, 0x0b, 0x00, 0x00,
0x0f, 0x4c, 0x83, 0x00, 0xa8),
PHYREGS(0x0854, 0x0850, 0x084c, 0x01ec, 0x01ed, 0x01ee),
},
{
.freq = 5500,
RADIOREGS(0x29, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x26,
0x02, 0x09, 0x00, 0x09, 0x00, 0x09, 0x00, 0x00,
0x0a, 0x46, 0x43, 0x00, 0x75),
PHYREGS(0x089c, 0x0898, 0x0894, 0x01dc, 0x01dd, 0x01dd),
},
{
.freq = 5520,
RADIOREGS(0x30, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x28,
0x02, 0x08, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00,
0x0a, 0x46, 0x43, 0x00, 0x75),
PHYREGS(0x08a4, 0x08a0, 0x089c, 0x01da, 0x01db, 0x01dc),
},
{
.freq = 5540,
RADIOREGS(0x36, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x2a,
0x02, 0x08, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00,
0x0a, 0x46, 0x43, 0x00, 0x75),
PHYREGS(0x08ac, 0x08a8, 0x08a4, 0x01d8, 0x01d9, 0x01da),
},
{
.freq = 5560,
RADIOREGS(0x3d, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x2c,
0x02, 0x08, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00,
0x0a, 0x46, 0x43, 0x00, 0x75),
PHYREGS(0x08b4, 0x08b0, 0x08ac, 0x01d7, 0x01d7, 0x01d8),
},
{
.freq = 5580,
RADIOREGS(0x44, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x2e,
0x02, 0x08, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00,
0x0a, 0x46, 0x43, 0x00, 0x74),
PHYREGS(0x08bc, 0x08b8, 0x08b4, 0x01d5, 0x01d6, 0x01d7),
},
{
.freq = 5600,
RADIOREGS(0x4a, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x30,
0x02, 0x08, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00,
0x09, 0x44, 0x23, 0x00, 0x54),
PHYREGS(0x08c4, 0x08c0, 0x08bc, 0x01d3, 0x01d4, 0x01d5),
},
{
.freq = 5620,
RADIOREGS(0x51, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x32,
0x02, 0x07, 0x00, 0x07, 0x00, 0x07, 0x00, 0x00,
0x09, 0x44, 0x23, 0x00, 0x54),
PHYREGS(0x08cc, 0x08c8, 0x08c4, 0x01d2, 0x01d2, 0x01d3),
},
{
.freq = 5640,
RADIOREGS(0x58, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x34,
0x02, 0x07, 0x00, 0x07, 0x00, 0x07, 0x00, 0x00,
0x09, 0x44, 0x23, 0x00, 0x43),
PHYREGS(0x08d4, 0x08d0, 0x08cc, 0x01d0, 0x01d1, 0x01d2),
},
{
.freq = 5660,
RADIOREGS(0x5e, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x36,
0x02, 0x07, 0x00, 0x07, 0x00, 0x07, 0x00, 0x00,
0x09, 0x43, 0x23, 0x00, 0x43),
PHYREGS(0x08dc, 0x08d8, 0x08d4, 0x01ce, 0x01cf, 0x01d0),
},
{
.freq = 5680,
RADIOREGS(0x65, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x38,
0x02, 0x07, 0x00, 0x07, 0x00, 0x07, 0x00, 0x00,
0x09, 0x42, 0x23, 0x00, 0x43),
PHYREGS(0x08e4, 0x08e0, 0x08dc, 0x01cd, 0x01ce, 0x01ce),
},
{
.freq = 5700,
RADIOREGS(0x6c, 0x17, 0x10, 0x1f, 0x08, 0x08, 0x3f, 0x3a,
0x02, 0x07, 0x00, 0x07, 0x00, 0x07, 0x00, 0x00,
0x08, 0x42, 0x13, 0x00, 0x32),
PHYREGS(0x08ec, 0x08e8, 0x08e4, 0x01cb, 0x01cc, 0x01cd),
},
{
.freq = 5745,
RADIOREGS(0x7b, 0x17, 0x20, 0x1f, 0x08, 0x08, 0x3f, 0x7d,
0x04, 0x06, 0x00, 0x06, 0x00, 0x06, 0x00, 0x00,
0x08, 0x42, 0x13, 0x00, 0x21),
PHYREGS(0x08fe, 0x08fa, 0x08f6, 0x01c8, 0x01c8, 0x01c9),
},
{
.freq = 5765,
RADIOREGS(0x81, 0x17, 0x20, 0x1f, 0x08, 0x08, 0x3f, 0x81,
0x04, 0x06, 0x00, 0x06, 0x00, 0x06, 0x00, 0x00,
0x08, 0x42, 0x13, 0x00, 0x11),
PHYREGS(0x0906, 0x0902, 0x08fe, 0x01c6, 0x01c7, 0x01c8),
},
{
.freq = 5785,
RADIOREGS(0x88, 0x17, 0x20, 0x1f, 0x08, 0x08, 0x3f, 0x85,
0x04, 0x05, 0x00, 0x05, 0x00, 0x05, 0x00, 0x00,
0x08, 0x42, 0x13, 0x00, 0x00),
PHYREGS(0x090e, 0x090a, 0x0906, 0x01c4, 0x01c5, 0x01c6),
},
{
.freq = 5805,
RADIOREGS(0x8f, 0x17, 0x20, 0x1f, 0x08, 0x08, 0x3f, 0x89,
0x04, 0x05, 0x00, 0x05, 0x00, 0x05, 0x00, 0x00,
0x06, 0x41, 0x03, 0x00, 0x00),
PHYREGS(0x0916, 0x0912, 0x090e, 0x01c3, 0x01c4, 0x01c4),
},
{
.freq = 5825,
RADIOREGS(0x95, 0x17, 0x20, 0x1f, 0x08, 0x08, 0x3f, 0x8d,
0x04, 0x05, 0x00, 0x05, 0x00, 0x05, 0x00, 0x00,
0x06, 0x41, 0x03, 0x00, 0x00),
PHYREGS(0x091e, 0x091a, 0x0916, 0x01c1, 0x01c2, 0x01c3),
},
b43: HT-PHY: add channel switching tables for 2 GHz band Tables were taken from observing writes in MMIO dumps. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-27 20:58:54 +08:00
};
b43: HT-PHY: Complete radio init (add missing entries) Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-09-10 03:17:09 +08:00
void r2059_upload_inittabs(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
u16 *table = NULL;
u16 size, i;
switch (phy->rev) {
case 1:
table = r2059_phy_rev1_init[0];
size = ARRAY_SIZE(r2059_phy_rev1_init);
break;
default:
B43_WARN_ON(1);
return;
}
for (i = 0; i < size; i++, table += 2)
b43_radio_write(dev, R2059_ALL | table[0], table[1]);
}
b43: HT-PHY: define standard structs for channel switching Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-19 18:17:19 +08:00
const struct b43_phy_ht_channeltab_e_radio2059
*b43_phy_ht_get_channeltab_e_r2059(struct b43_wldev *dev, u16 freq)
{
b43: HT-PHY: find channel entry with regs data Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-17 16:30:33 +08:00
const struct b43_phy_ht_channeltab_e_radio2059 *e;
unsigned int i;
e = b43_phy_ht_channeltab_radio2059;
for (i = 0; i < ARRAY_SIZE(b43_phy_ht_channeltab_radio2059); i++, e++) {
if (e->freq == freq)
return e;
}
b43: HT-PHY: define standard structs for channel switching Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-19 18:17:19 +08:00
return NULL;
}