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* [PATCH v2 1/2] b43: Remove unused phy_a code
@ 2016-06-04  4:11 Guenter Roeck
  2016-06-04  4:11 ` [PATCH v2 2/2] b43: Completely remove support for phy_a Guenter Roeck
  2016-06-04  8:01 ` [PATCH v2 1/2] b43: Remove unused phy_a code Michael Büsch
  0 siblings, 2 replies; 3+ messages in thread
From: Guenter Roeck @ 2016-06-04  4:11 UTC (permalink / raw)
  To: Kalle Valo
  Cc: linux-kernel, linux-wireless, b43-dev, netdev, m, Guenter Roeck

gcc-6 reports the following error with -Werror=unused-const-variable.

drivers/net/wireless/broadcom/b43/phy_a.c:576:40: error:
	'b43_phyops_a' defined but not used

Per Michael Büsch: "All a-phy code is usused", so remove phy_a.c
completely. Move the remaining Type-G initialization code into phy_g.c.

Reported-by: Fengguang Wu <fengguang.wu@intel.com> [0-day test robot]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
v2: Remove phy_a.c; move left-over code into phy_g.c
    Remove now unused data structure

 drivers/net/wireless/broadcom/b43/Makefile     |   2 +-
 drivers/net/wireless/broadcom/b43/phy_a.c      | 595 -------------------------
 drivers/net/wireless/broadcom/b43/phy_a.h      |  22 -
 drivers/net/wireless/broadcom/b43/phy_common.h |   3 -
 drivers/net/wireless/broadcom/b43/phy_g.c      |  27 +-
 5 files changed, 22 insertions(+), 627 deletions(-)
 delete mode 100644 drivers/net/wireless/broadcom/b43/phy_a.c

diff --git a/drivers/net/wireless/broadcom/b43/Makefile b/drivers/net/wireless/broadcom/b43/Makefile
index ddc4df46656f..27fab958e3d5 100644
--- a/drivers/net/wireless/broadcom/b43/Makefile
+++ b/drivers/net/wireless/broadcom/b43/Makefile
@@ -1,6 +1,6 @@
 b43-y				+= main.o
 b43-y				+= bus.o
-b43-$(CONFIG_B43_PHY_G)		+= phy_a.o phy_g.o tables.o lo.o wa.o
+b43-$(CONFIG_B43_PHY_G)		+= phy_g.o tables.o lo.o wa.o
 b43-$(CONFIG_B43_PHY_N)		+= tables_nphy.o
 b43-$(CONFIG_B43_PHY_N)		+= radio_2055.o
 b43-$(CONFIG_B43_PHY_N)		+= radio_2056.o
diff --git a/drivers/net/wireless/broadcom/b43/phy_a.c b/drivers/net/wireless/broadcom/b43/phy_a.c
deleted file mode 100644
index 99c036f5ecb7..000000000000
--- a/drivers/net/wireless/broadcom/b43/phy_a.c
+++ /dev/null
@@ -1,595 +0,0 @@
-/*
-
-  Broadcom B43 wireless driver
-  IEEE 802.11a PHY driver
-
-  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
-  Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
-  Copyright (c) 2005-2008 Michael Buesch <m@bues.ch>
-  Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
-  Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
-
-  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 <linux/slab.h>
-
-#include "b43.h"
-#include "phy_a.h"
-#include "phy_common.h"
-#include "wa.h"
-#include "tables.h"
-#include "main.h"
-
-
-/* Get the freq, as it has to be written to the device. */
-static inline u16 channel2freq_a(u8 channel)
-{
-	B43_WARN_ON(channel > 200);
-
-	return (5000 + 5 * channel);
-}
-
-static inline u16 freq_r3A_value(u16 frequency)
-{
-	u16 value;
-
-	if (frequency < 5091)
-		value = 0x0040;
-	else if (frequency < 5321)
-		value = 0x0000;
-	else if (frequency < 5806)
-		value = 0x0080;
-	else
-		value = 0x0040;
-
-	return value;
-}
-
-#if 0
-/* This function converts a TSSI value to dBm in Q5.2 */
-static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_a *aphy = phy->a;
-	s8 dbm = 0;
-	s32 tmp;
-
-	tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
-	tmp += 0x80;
-	tmp = clamp_val(tmp, 0x00, 0xFF);
-	dbm = aphy->tssi2dbm[tmp];
-	//TODO: There's a FIXME on the specs
-
-	return dbm;
-}
-#endif
-
-static void b43_radio_set_tx_iq(struct b43_wldev *dev)
-{
-	static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
-	static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
-	u16 tmp = b43_radio_read16(dev, 0x001E);
-	int i, j;
-
-	for (i = 0; i < 5; i++) {
-		for (j = 0; j < 5; j++) {
-			if (tmp == (data_high[i] << 4 | data_low[j])) {
-				b43_phy_write(dev, 0x0069,
-					      (i - j) << 8 | 0x00C0);
-				return;
-			}
-		}
-	}
-}
-
-static void aphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
-{
-	u16 freq, r8, tmp;
-
-	freq = channel2freq_a(channel);
-
-	r8 = b43_radio_read16(dev, 0x0008);
-	b43_write16(dev, 0x03F0, freq);
-	b43_radio_write16(dev, 0x0008, r8);
-
-	//TODO: write max channel TX power? to Radio 0x2D
-	tmp = b43_radio_read16(dev, 0x002E);
-	tmp &= 0x0080;
-	//TODO: OR tmp with the Power out estimation for this channel?
-	b43_radio_write16(dev, 0x002E, tmp);
-
-	if (freq >= 4920 && freq <= 5500) {
-		/*
-		 * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F;
-		 *    = (freq * 0.025862069
-		 */
-		r8 = 3 * freq / 116;	/* is equal to r8 = freq * 0.025862 */
-	}
-	b43_radio_write16(dev, 0x0007, (r8 << 4) | r8);
-	b43_radio_write16(dev, 0x0020, (r8 << 4) | r8);
-	b43_radio_write16(dev, 0x0021, (r8 << 4) | r8);
-	b43_radio_maskset(dev, 0x0022, 0x000F, (r8 << 4));
-	b43_radio_write16(dev, 0x002A, (r8 << 4));
-	b43_radio_write16(dev, 0x002B, (r8 << 4));
-	b43_radio_maskset(dev, 0x0008, 0x00F0, (r8 << 4));
-	b43_radio_maskset(dev, 0x0029, 0xFF0F, 0x00B0);
-	b43_radio_write16(dev, 0x0035, 0x00AA);
-	b43_radio_write16(dev, 0x0036, 0x0085);
-	b43_radio_maskset(dev, 0x003A, 0xFF20, freq_r3A_value(freq));
-	b43_radio_mask(dev, 0x003D, 0x00FF);
-	b43_radio_maskset(dev, 0x0081, 0xFF7F, 0x0080);
-	b43_radio_mask(dev, 0x0035, 0xFFEF);
-	b43_radio_maskset(dev, 0x0035, 0xFFEF, 0x0010);
-	b43_radio_set_tx_iq(dev);
-	//TODO: TSSI2dbm workaround
-//FIXME	b43_phy_xmitpower(dev);
-}
-
-static void b43_radio_init2060(struct b43_wldev *dev)
-{
-	b43_radio_write16(dev, 0x0004, 0x00C0);
-	b43_radio_write16(dev, 0x0005, 0x0008);
-	b43_radio_write16(dev, 0x0009, 0x0040);
-	b43_radio_write16(dev, 0x0005, 0x00AA);
-	b43_radio_write16(dev, 0x0032, 0x008F);
-	b43_radio_write16(dev, 0x0006, 0x008F);
-	b43_radio_write16(dev, 0x0034, 0x008F);
-	b43_radio_write16(dev, 0x002C, 0x0007);
-	b43_radio_write16(dev, 0x0082, 0x0080);
-	b43_radio_write16(dev, 0x0080, 0x0000);
-	b43_radio_write16(dev, 0x003F, 0x00DA);
-	b43_radio_mask(dev, 0x0005, ~0x0008);
-	b43_radio_mask(dev, 0x0081, ~0x0010);
-	b43_radio_mask(dev, 0x0081, ~0x0020);
-	b43_radio_mask(dev, 0x0081, ~0x0020);
-	msleep(1);		/* delay 400usec */
-
-	b43_radio_maskset(dev, 0x0081, ~0x0020, 0x0010);
-	msleep(1);		/* delay 400usec */
-
-	b43_radio_maskset(dev, 0x0005, ~0x0008, 0x0008);
-	b43_radio_mask(dev, 0x0085, ~0x0010);
-	b43_radio_mask(dev, 0x0005, ~0x0008);
-	b43_radio_mask(dev, 0x0081, ~0x0040);
-	b43_radio_maskset(dev, 0x0081, ~0x0040, 0x0040);
-	b43_radio_write16(dev, 0x0005,
-			  (b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008);
-	b43_phy_write(dev, 0x0063, 0xDDC6);
-	b43_phy_write(dev, 0x0069, 0x07BE);
-	b43_phy_write(dev, 0x006A, 0x0000);
-
-	aphy_channel_switch(dev, dev->phy.ops->get_default_chan(dev));
-
-	msleep(1);
-}
-
-static void b43_phy_rssiagc(struct b43_wldev *dev, u8 enable)
-{
-	int i;
-
-	if (dev->phy.rev < 3) {
-		if (enable)
-			for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
-				b43_ofdmtab_write16(dev,
-					B43_OFDMTAB_LNAHPFGAIN1, i, 0xFFF8);
-				b43_ofdmtab_write16(dev,
-					B43_OFDMTAB_WRSSI, i, 0xFFF8);
-			}
-		else
-			for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++) {
-				b43_ofdmtab_write16(dev,
-					B43_OFDMTAB_LNAHPFGAIN1, i, b43_tab_rssiagc1[i]);
-				b43_ofdmtab_write16(dev,
-					B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc1[i]);
-			}
-	} else {
-		if (enable)
-			for (i = 0; i < B43_TAB_RSSIAGC1_SIZE; i++)
-				b43_ofdmtab_write16(dev,
-					B43_OFDMTAB_WRSSI, i, 0x0820);
-		else
-			for (i = 0; i < B43_TAB_RSSIAGC2_SIZE; i++)
-				b43_ofdmtab_write16(dev,
-					B43_OFDMTAB_WRSSI, i, b43_tab_rssiagc2[i]);
-	}
-}
-
-static void b43_phy_ww(struct b43_wldev *dev)
-{
-	u16 b, curr_s, best_s = 0xFFFF;
-	int i;
-
-	b43_phy_mask(dev, B43_PHY_CRS0, ~B43_PHY_CRS0_EN);
-	b43_phy_set(dev, B43_PHY_OFDM(0x1B), 0x1000);
-	b43_phy_maskset(dev, B43_PHY_OFDM(0x82), 0xF0FF, 0x0300);
-	b43_radio_set(dev, 0x0009, 0x0080);
-	b43_radio_maskset(dev, 0x0012, 0xFFFC, 0x0002);
-	b43_wa_initgains(dev);
-	b43_phy_write(dev, B43_PHY_OFDM(0xBA), 0x3ED5);
-	b = b43_phy_read(dev, B43_PHY_PWRDOWN);
-	b43_phy_write(dev, B43_PHY_PWRDOWN, (b & 0xFFF8) | 0x0005);
-	b43_radio_set(dev, 0x0004, 0x0004);
-	for (i = 0x10; i <= 0x20; i++) {
-		b43_radio_write16(dev, 0x0013, i);
-		curr_s = b43_phy_read(dev, B43_PHY_OTABLEQ) & 0x00FF;
-		if (!curr_s) {
-			best_s = 0x0000;
-			break;
-		} else if (curr_s >= 0x0080)
-			curr_s = 0x0100 - curr_s;
-		if (curr_s < best_s)
-			best_s = curr_s;
-	}
-	b43_phy_write(dev, B43_PHY_PWRDOWN, b);
-	b43_radio_mask(dev, 0x0004, 0xFFFB);
-	b43_radio_write16(dev, 0x0013, best_s);
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 0xFFEC);
-	b43_phy_write(dev, B43_PHY_OFDM(0xB7), 0x1E80);
-	b43_phy_write(dev, B43_PHY_OFDM(0xB6), 0x1C00);
-	b43_phy_write(dev, B43_PHY_OFDM(0xB5), 0x0EC0);
-	b43_phy_write(dev, B43_PHY_OFDM(0xB2), 0x00C0);
-	b43_phy_write(dev, B43_PHY_OFDM(0xB9), 0x1FFF);
-	b43_phy_maskset(dev, B43_PHY_OFDM(0xBB), 0xF000, 0x0053);
-	b43_phy_maskset(dev, B43_PHY_OFDM61, 0xFE1F, 0x0120);
-	b43_phy_maskset(dev, B43_PHY_OFDM(0x13), 0x0FFF, 0x3000);
-	b43_phy_maskset(dev, B43_PHY_OFDM(0x14), 0x0FFF, 0x3000);
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 6, 0x0017);
-	for (i = 0; i < 6; i++)
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, i, 0x000F);
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0D, 0x000E);
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0E, 0x0011);
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0x0F, 0x0013);
-	b43_phy_write(dev, B43_PHY_OFDM(0x33), 0x5030);
-	b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
-}
-
-static void hardware_pctl_init_aphy(struct b43_wldev *dev)
-{
-	//TODO
-}
-
-void b43_phy_inita(struct b43_wldev *dev)
-{
-	struct b43_phy *phy = &dev->phy;
-
-	/* This lowlevel A-PHY init is also called from G-PHY init.
-	 * So we must not access phy->a, if called from G-PHY code.
-	 */
-	B43_WARN_ON((phy->type != B43_PHYTYPE_A) &&
-		    (phy->type != B43_PHYTYPE_G));
-
-	might_sleep();
-
-	if (phy->rev >= 6) {
-		if (phy->type == B43_PHYTYPE_A)
-			b43_phy_mask(dev, B43_PHY_OFDM(0x1B), ~0x1000);
-		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
-			b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
-		else
-			b43_phy_mask(dev, B43_PHY_ENCORE, ~0x1010);
-	}
-
-	b43_wa_all(dev);
-
-	if (phy->type == B43_PHYTYPE_A) {
-		if (phy->gmode && (phy->rev < 3))
-			b43_phy_set(dev, 0x0034, 0x0001);
-		b43_phy_rssiagc(dev, 0);
-
-		b43_phy_set(dev, B43_PHY_CRS0, B43_PHY_CRS0_EN);
-
-		b43_radio_init2060(dev);
-
-		if ((dev->dev->board_vendor == SSB_BOARDVENDOR_BCM) &&
-		    ((dev->dev->board_type == SSB_BOARD_BU4306) ||
-		     (dev->dev->board_type == SSB_BOARD_BU4309))) {
-			; //TODO: A PHY LO
-		}
-
-		if (phy->rev >= 3)
-			b43_phy_ww(dev);
-
-		hardware_pctl_init_aphy(dev);
-
-		//TODO: radar detection
-	}
-
-	if ((phy->type == B43_PHYTYPE_G) &&
-	    (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)) {
-		b43_phy_maskset(dev, B43_PHY_OFDM(0x6E), 0xE000, 0x3CF);
-	}
-}
-
-/* Initialise the TSSI->dBm lookup table */
-static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_a *aphy = phy->a;
-	s16 pab0, pab1, pab2;
-
-	pab0 = (s16) (dev->dev->bus_sprom->pa1b0);
-	pab1 = (s16) (dev->dev->bus_sprom->pa1b1);
-	pab2 = (s16) (dev->dev->bus_sprom->pa1b2);
-
-	if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
-	    pab0 != -1 && pab1 != -1 && pab2 != -1) {
-		/* The pabX values are set in SPROM. Use them. */
-		if ((s8) dev->dev->bus_sprom->itssi_a != 0 &&
-		    (s8) dev->dev->bus_sprom->itssi_a != -1)
-			aphy->tgt_idle_tssi =
-			    (s8) (dev->dev->bus_sprom->itssi_a);
-		else
-			aphy->tgt_idle_tssi = 62;
-		aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
-							       pab1, pab2);
-		if (!aphy->tssi2dbm)
-			return -ENOMEM;
-	} else {
-		/* pabX values not set in SPROM,
-		 * but APHY needs a generated table. */
-		aphy->tssi2dbm = NULL;
-		b43err(dev->wl, "Could not generate tssi2dBm "
-		       "table (wrong SPROM info)!\n");
-		return -ENODEV;
-	}
-
-	return 0;
-}
-
-static int b43_aphy_op_allocate(struct b43_wldev *dev)
-{
-	struct b43_phy_a *aphy;
-	int err;
-
-	aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
-	if (!aphy)
-		return -ENOMEM;
-	dev->phy.a = aphy;
-
-	err = b43_aphy_init_tssi2dbm_table(dev);
-	if (err)
-		goto err_free_aphy;
-
-	return 0;
-
-err_free_aphy:
-	kfree(aphy);
-	dev->phy.a = NULL;
-
-	return err;
-}
-
-static void b43_aphy_op_prepare_structs(struct b43_wldev *dev)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_a *aphy = phy->a;
-	const void *tssi2dbm;
-	int tgt_idle_tssi;
-
-	/* tssi2dbm table is constant, so it is initialized at alloc time.
-	 * Save a copy of the pointer. */
-	tssi2dbm = aphy->tssi2dbm;
-	tgt_idle_tssi = aphy->tgt_idle_tssi;
-
-	/* Zero out the whole PHY structure. */
-	memset(aphy, 0, sizeof(*aphy));
-
-	aphy->tssi2dbm = tssi2dbm;
-	aphy->tgt_idle_tssi = tgt_idle_tssi;
-
-	//TODO init struct b43_phy_a
-
-}
-
-static void b43_aphy_op_free(struct b43_wldev *dev)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_a *aphy = phy->a;
-
-	kfree(aphy->tssi2dbm);
-	aphy->tssi2dbm = NULL;
-
-	kfree(aphy);
-	dev->phy.a = NULL;
-}
-
-static int b43_aphy_op_init(struct b43_wldev *dev)
-{
-	b43_phy_inita(dev);
-
-	return 0;
-}
-
-static inline u16 adjust_phyreg(struct b43_wldev *dev, u16 offset)
-{
-	/* OFDM registers are base-registers for the A-PHY. */
-	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
-		offset &= ~B43_PHYROUTE;
-		offset |= B43_PHYROUTE_BASE;
-	}
-
-#if B43_DEBUG
-	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
-		/* Ext-G registers are only available on G-PHYs */
-		b43err(dev->wl, "Invalid EXT-G PHY access at "
-		       "0x%04X on A-PHY\n", offset);
-		dump_stack();
-	}
-	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_N_BMODE) {
-		/* N-BMODE registers are only available on N-PHYs */
-		b43err(dev->wl, "Invalid N-BMODE PHY access at "
-		       "0x%04X on A-PHY\n", offset);
-		dump_stack();
-	}
-#endif /* B43_DEBUG */
-
-	return offset;
-}
-
-static u16 b43_aphy_op_read(struct b43_wldev *dev, u16 reg)
-{
-	reg = adjust_phyreg(dev, reg);
-	b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
-	return b43_read16(dev, B43_MMIO_PHY_DATA);
-}
-
-static void b43_aphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
-{
-	reg = adjust_phyreg(dev, reg);
-	b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
-	b43_write16(dev, B43_MMIO_PHY_DATA, value);
-}
-
-static u16 b43_aphy_op_radio_read(struct b43_wldev *dev, u16 reg)
-{
-	/* Register 1 is a 32-bit register. */
-	B43_WARN_ON(reg == 1);
-	/* A-PHY needs 0x40 for read access */
-	reg |= 0x40;
-
-	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
-	return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
-}
-
-static void b43_aphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
-{
-	/* Register 1 is a 32-bit register. */
-	B43_WARN_ON(reg == 1);
-
-	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
-	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
-}
-
-static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
-{
-	return (dev->phy.rev >= 5);
-}
-
-static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
-					bool blocked)
-{
-	struct b43_phy *phy = &dev->phy;
-
-	if (!blocked) {
-		if (phy->radio_on)
-			return;
-		b43_radio_write16(dev, 0x0004, 0x00C0);
-		b43_radio_write16(dev, 0x0005, 0x0008);
-		b43_phy_mask(dev, 0x0010, 0xFFF7);
-		b43_phy_mask(dev, 0x0011, 0xFFF7);
-		b43_radio_init2060(dev);
-	} else {
-		b43_radio_write16(dev, 0x0004, 0x00FF);
-		b43_radio_write16(dev, 0x0005, 0x00FB);
-		b43_phy_set(dev, 0x0010, 0x0008);
-		b43_phy_set(dev, 0x0011, 0x0008);
-	}
-}
-
-static int b43_aphy_op_switch_channel(struct b43_wldev *dev,
-				      unsigned int new_channel)
-{
-	if (new_channel > 200)
-		return -EINVAL;
-	aphy_channel_switch(dev, new_channel);
-
-	return 0;
-}
-
-static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev)
-{
-	return 36; /* Default to channel 36 */
-}
-
-static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
-{//TODO
-	struct b43_phy *phy = &dev->phy;
-	u16 tmp;
-	int autodiv = 0;
-
-	if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
-		autodiv = 1;
-
-	b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
-
-	b43_phy_maskset(dev, B43_PHY_BBANDCFG, ~B43_PHY_BBANDCFG_RXANT,
-			(autodiv ? B43_ANTENNA_AUTO1 : antenna) <<
-			B43_PHY_BBANDCFG_RXANT_SHIFT);
-
-	if (autodiv) {
-		tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
-		if (antenna == B43_ANTENNA_AUTO1)
-			tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
-		else
-			tmp |= B43_PHY_ANTDWELL_AUTODIV1;
-		b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
-	}
-	if (phy->rev < 3)
-		b43_phy_maskset(dev, B43_PHY_ANTDWELL, 0xFF00, 0x24);
-	else {
-		b43_phy_set(dev, B43_PHY_OFDM61, 0x10);
-		if (phy->rev == 3) {
-			b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x1D);
-			b43_phy_write(dev, B43_PHY_ADIVRELATED, 8);
-		} else {
-			b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x3A);
-			b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8);
-		}
-	}
-
-	b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
-}
-
-static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev)
-{//TODO
-}
-
-static enum b43_txpwr_result b43_aphy_op_recalc_txpower(struct b43_wldev *dev,
-							bool ignore_tssi)
-{//TODO
-	return B43_TXPWR_RES_DONE;
-}
-
-static void b43_aphy_op_pwork_15sec(struct b43_wldev *dev)
-{//TODO
-}
-
-static void b43_aphy_op_pwork_60sec(struct b43_wldev *dev)
-{//TODO
-}
-
-static const struct b43_phy_operations b43_phyops_a = {
-	.allocate		= b43_aphy_op_allocate,
-	.free			= b43_aphy_op_free,
-	.prepare_structs	= b43_aphy_op_prepare_structs,
-	.init			= b43_aphy_op_init,
-	.phy_read		= b43_aphy_op_read,
-	.phy_write		= b43_aphy_op_write,
-	.radio_read		= b43_aphy_op_radio_read,
-	.radio_write		= b43_aphy_op_radio_write,
-	.supports_hwpctl	= b43_aphy_op_supports_hwpctl,
-	.software_rfkill	= b43_aphy_op_software_rfkill,
-	.switch_analog		= b43_phyop_switch_analog_generic,
-	.switch_channel		= b43_aphy_op_switch_channel,
-	.get_default_chan	= b43_aphy_op_get_default_chan,
-	.set_rx_antenna		= b43_aphy_op_set_rx_antenna,
-	.recalc_txpower		= b43_aphy_op_recalc_txpower,
-	.adjust_txpower		= b43_aphy_op_adjust_txpower,
-	.pwork_15sec		= b43_aphy_op_pwork_15sec,
-	.pwork_60sec		= b43_aphy_op_pwork_60sec,
-};
diff --git a/drivers/net/wireless/broadcom/b43/phy_a.h b/drivers/net/wireless/broadcom/b43/phy_a.h
index f7d0d929a374..0a92d01c21f9 100644
--- a/drivers/net/wireless/broadcom/b43/phy_a.h
+++ b/drivers/net/wireless/broadcom/b43/phy_a.h
@@ -101,26 +101,4 @@ u32 b43_ofdmtab_read32(struct b43_wldev *dev, u16 table, u16 offset);
 void b43_ofdmtab_write32(struct b43_wldev *dev, u16 table,
 			 u16 offset, u32 value);
 
-
-struct b43_phy_a {
-	/* Pointer to the table used to convert a
-	 * TSSI value to dBm-Q5.2 */
-	const s8 *tssi2dbm;
-	/* Target idle TSSI */
-	int tgt_idle_tssi;
-	/* Current idle TSSI */
-	int cur_idle_tssi;//FIXME value currently not set
-
-	/* A-PHY TX Power control value. */
-	u16 txpwr_offset;
-
-	//TODO lots of missing stuff
-};
-
-/**
- * b43_phy_inita - Lowlevel A-PHY init routine.
- * This is _only_ used by the G-PHY code.
- */
-void b43_phy_inita(struct b43_wldev *dev);
-
 #endif /* LINUX_B43_PHY_A_H_ */
diff --git a/drivers/net/wireless/broadcom/b43/phy_common.h b/drivers/net/wireless/broadcom/b43/phy_common.h
index 78d86526799e..ced054a9850c 100644
--- a/drivers/net/wireless/broadcom/b43/phy_common.h
+++ b/drivers/net/wireless/broadcom/b43/phy_common.h
@@ -190,7 +190,6 @@ struct b43_phy_operations {
 	void (*pwork_60sec)(struct b43_wldev *dev);
 };
 
-struct b43_phy_a;
 struct b43_phy_g;
 struct b43_phy_n;
 struct b43_phy_lp;
@@ -210,8 +209,6 @@ struct b43_phy {
 #else
 	union {
 #endif
-		/* A-PHY specific information */
-		struct b43_phy_a *a;
 		/* G-PHY specific information */
 		struct b43_phy_g *g;
 		/* N-PHY specific information */
diff --git a/drivers/net/wireless/broadcom/b43/phy_g.c b/drivers/net/wireless/broadcom/b43/phy_g.c
index 462310e6e88f..01eeec60f379 100644
--- a/drivers/net/wireless/broadcom/b43/phy_g.c
+++ b/drivers/net/wireless/broadcom/b43/phy_g.c
@@ -31,6 +31,7 @@
 #include "phy_common.h"
 #include "lo.h"
 #include "main.h"
+#include "wa.h"
 
 #include <linux/bitrev.h>
 #include <linux/slab.h>
@@ -1987,6 +1988,25 @@ static void b43_phy_init_pctl(struct b43_wldev *dev)
 	b43_shm_clear_tssi(dev);
 }
 
+static void __b43_phy_initg(struct b43_wldev *dev)
+{
+	struct b43_phy *phy = &dev->phy;
+
+	might_sleep();
+
+	if (phy->rev >= 6) {
+		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
+			b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
+		else
+			b43_phy_mask(dev, B43_PHY_ENCORE, ~0x1010);
+	}
+
+	b43_wa_all(dev);
+
+	if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
+		b43_phy_maskset(dev, B43_PHY_OFDM(0x6E), 0xE000, 0x3CF);
+}
+
 static void b43_phy_initg(struct b43_wldev *dev)
 {
 	struct b43_phy *phy = &dev->phy;
@@ -1999,7 +2019,7 @@ static void b43_phy_initg(struct b43_wldev *dev)
 		b43_phy_initb6(dev);
 
 	if (phy->rev >= 2 || phy->gmode)
-		b43_phy_inita(dev);
+		__b43_phy_initg(dev);
 
 	if (phy->rev >= 2) {
 		b43_phy_write(dev, B43_PHY_ANALOGOVER, 0);
@@ -2150,11 +2170,6 @@ static void default_radio_attenuation(struct b43_wldev *dev,
 		}
 	}
 
-	if (phy->type == B43_PHYTYPE_A) {
-		rf->att = 0x60;
-		return;
-	}
-
 	switch (phy->radio_ver) {
 	case 0x2053:
 		switch (phy->radio_rev) {
-- 
2.5.0

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH v2 2/2] b43: Completely remove support for phy_a
  2016-06-04  4:11 [PATCH v2 1/2] b43: Remove unused phy_a code Guenter Roeck
@ 2016-06-04  4:11 ` Guenter Roeck
  2016-06-04  8:01 ` [PATCH v2 1/2] b43: Remove unused phy_a code Michael Büsch
  1 sibling, 0 replies; 3+ messages in thread
From: Guenter Roeck @ 2016-06-04  4:11 UTC (permalink / raw)
  To: Kalle Valo
  Cc: linux-kernel, linux-wireless, b43-dev, netdev, m, Guenter Roeck

Per Michael Büsch: "All a-phy code is usused", so remove it all.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
v2: Added patch

 drivers/net/wireless/broadcom/b43/main.c |  31 +---
 drivers/net/wireless/broadcom/b43/wa.c   | 283 +++----------------------------
 drivers/net/wireless/broadcom/b43/xmit.c |  17 +-
 3 files changed, 24 insertions(+), 307 deletions(-)

diff --git a/drivers/net/wireless/broadcom/b43/main.c b/drivers/net/wireless/broadcom/b43/main.c
index 4ee5c5853f9f..6e5d9095b195 100644
--- a/drivers/net/wireless/broadcom/b43/main.c
+++ b/drivers/net/wireless/broadcom/b43/main.c
@@ -3180,7 +3180,6 @@ static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm)
 static void b43_rate_memory_init(struct b43_wldev *dev)
 {
 	switch (dev->phy.type) {
-	case B43_PHYTYPE_A:
 	case B43_PHYTYPE_G:
 	case B43_PHYTYPE_N:
 	case B43_PHYTYPE_LP:
@@ -3194,8 +3193,6 @@ static void b43_rate_memory_init(struct b43_wldev *dev)
 		b43_rate_memory_write(dev, B43_OFDM_RATE_36MB, 1);
 		b43_rate_memory_write(dev, B43_OFDM_RATE_48MB, 1);
 		b43_rate_memory_write(dev, B43_OFDM_RATE_54MB, 1);
-		if (dev->phy.type == B43_PHYTYPE_A)
-			break;
 		/* fallthrough */
 	case B43_PHYTYPE_B:
 		b43_rate_memory_write(dev, B43_CCK_RATE_1MB, 0);
@@ -4604,14 +4601,6 @@ static int b43_phy_versioning(struct b43_wldev *dev)
 	if (radio_manuf != 0x17F /* Broadcom */)
 		unsupported = 1;
 	switch (phy_type) {
-	case B43_PHYTYPE_A:
-		if (radio_id != 0x2060)
-			unsupported = 1;
-		if (radio_rev != 1)
-			unsupported = 1;
-		if (radio_manuf != 0x17F)
-			unsupported = 1;
-		break;
 	case B43_PHYTYPE_B:
 		if ((radio_id & 0xFFF0) != 0x2050)
 			unsupported = 1;
@@ -4766,10 +4755,7 @@ static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle)
 	u16 pu_delay;
 
 	/* The time value is in microseconds. */
-	if (dev->phy.type == B43_PHYTYPE_A)
-		pu_delay = 3700;
-	else
-		pu_delay = 1050;
+	pu_delay = 1050;
 	if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC) || idle)
 		pu_delay = 500;
 	if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8))
@@ -4784,14 +4770,10 @@ static void b43_set_pretbtt(struct b43_wldev *dev)
 	u16 pretbtt;
 
 	/* The time value is in microseconds. */
-	if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) {
+	if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC))
 		pretbtt = 2;
-	} else {
-		if (dev->phy.type == B43_PHYTYPE_A)
-			pretbtt = 120;
-		else
-			pretbtt = 250;
-	}
+	else
+		pretbtt = 250;
 	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRETBTT, pretbtt);
 	b43_write16(dev, B43_MMIO_TSF_CFP_PRETBTT, pretbtt);
 }
@@ -5380,10 +5362,6 @@ static void b43_supported_bands(struct b43_wldev *dev, bool *have_2ghz_phy,
 
 	/* As a fallback, try to guess using PHY type */
 	switch (dev->phy.type) {
-	case B43_PHYTYPE_A:
-		*have_2ghz_phy = false;
-		*have_5ghz_phy = true;
-		return;
 	case B43_PHYTYPE_G:
 	case B43_PHYTYPE_N:
 	case B43_PHYTYPE_LP:
@@ -5455,7 +5433,6 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
 	/* We don't support 5 GHz on some PHYs yet */
 	if (have_5ghz_phy) {
 		switch (dev->phy.type) {
-		case B43_PHYTYPE_A:
 		case B43_PHYTYPE_G:
 		case B43_PHYTYPE_LP:
 		case B43_PHYTYPE_HT:
diff --git a/drivers/net/wireless/broadcom/b43/wa.c b/drivers/net/wireless/broadcom/b43/wa.c
index c218c08fb2f5..0e96c08d1e17 100644
--- a/drivers/net/wireless/broadcom/b43/wa.c
+++ b/drivers/net/wireless/broadcom/b43/wa.c
@@ -30,33 +30,6 @@
 #include "phy_common.h"
 #include "wa.h"
 
-static void b43_wa_papd(struct b43_wldev *dev)
-{
-	u16 backup;
-
-	backup = b43_ofdmtab_read16(dev, B43_OFDMTAB_PWRDYN2, 0);
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_PWRDYN2, 0, 7);
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_APHY, 0, 0);
-	b43_dummy_transmission(dev, true, true);
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_PWRDYN2, 0, backup);
-}
-
-static void b43_wa_auxclipthr(struct b43_wldev *dev)
-{
-	b43_phy_write(dev, B43_PHY_OFDM(0x8E), 0x3800);
-}
-
-static void b43_wa_afcdac(struct b43_wldev *dev)
-{
-	b43_phy_write(dev, 0x0035, 0x03FF);
-	b43_phy_write(dev, 0x0036, 0x0400);
-}
-
-static void b43_wa_txdc_offset(struct b43_wldev *dev)
-{
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_DC, 0, 0x0051);
-}
-
 void b43_wa_initgains(struct b43_wldev *dev)
 {
 	struct b43_phy *phy = &dev->phy;
@@ -81,41 +54,6 @@ void b43_wa_initgains(struct b43_wldev *dev)
 		b43_phy_write(dev, 0x00BA, 0x3ED5);
 }
 
-static void b43_wa_divider(struct b43_wldev *dev)
-{
-	b43_phy_mask(dev, 0x002B, ~0x0100);
-	b43_phy_write(dev, 0x008E, 0x58C1);
-}
-
-static void b43_wa_gt(struct b43_wldev *dev) /* Gain table. */
-{
-	if (dev->phy.rev <= 2) {
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN2, 0, 15);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN2, 1, 31);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN2, 2, 42);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN2, 3, 48);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN2, 4, 58);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 0, 19);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 1, 19);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 2, 19);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 3, 19);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 4, 21);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 5, 21);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 6, 25);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN1, 0, 3);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN1, 1, 3);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN1, 2, 7);
-	} else {
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 0, 19);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 1, 19);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 2, 19);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 3, 19);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 4, 21);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 5, 21);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_GAIN0, 6, 25);
-	}
-}
-
 static void b43_wa_rssi_lt(struct b43_wldev *dev) /* RSSI lookup table */
 {
 	int i;
@@ -133,15 +71,11 @@ static void b43_wa_rssi_lt(struct b43_wldev *dev) /* RSSI lookup table */
 
 static void b43_wa_analog(struct b43_wldev *dev)
 {
-	struct b43_phy *phy = &dev->phy;
 	u16 ofdmrev;
 
 	ofdmrev = b43_phy_read(dev, B43_PHY_VERSION_OFDM) & B43_PHYVER_VERSION;
 	if (ofdmrev > 2) {
-		if (phy->type == B43_PHYTYPE_A)
-			b43_phy_write(dev, B43_PHY_PWRDOWN, 0x1808);
-		else
-			b43_phy_write(dev, B43_PHY_PWRDOWN, 0x1000);
+		b43_phy_write(dev, B43_PHY_PWRDOWN, 0x1000);
 	} else {
 		b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 3, 0x1044);
 		b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 4, 0x7201);
@@ -149,26 +83,13 @@ static void b43_wa_analog(struct b43_wldev *dev)
 	}
 }
 
-static void b43_wa_dac(struct b43_wldev *dev)
-{
-	if (dev->phy.analog == 1)
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 1,
-			(b43_ofdmtab_read16(dev, B43_OFDMTAB_DAC, 1) & ~0x0034) | 0x0008);
-	else
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 1,
-			(b43_ofdmtab_read16(dev, B43_OFDMTAB_DAC, 1) & ~0x0078) | 0x0010);
-}
-
 static void b43_wa_fft(struct b43_wldev *dev) /* Fine frequency table */
 {
 	int i;
 
-	if (dev->phy.type == B43_PHYTYPE_A)
-		for (i = 0; i < B43_TAB_FINEFREQA_SIZE; i++)
-			b43_ofdmtab_write16(dev, B43_OFDMTAB_DACRFPABB, i, b43_tab_finefreqa[i]);
-	else
-		for (i = 0; i < B43_TAB_FINEFREQG_SIZE; i++)
-			b43_ofdmtab_write16(dev, B43_OFDMTAB_DACRFPABB, i, b43_tab_finefreqg[i]);
+	for (i = 0; i < B43_TAB_FINEFREQG_SIZE; i++)
+		b43_ofdmtab_write16(dev, B43_OFDMTAB_DACRFPABB, i,
+				    b43_tab_finefreqg[i]);
 }
 
 static void b43_wa_nft(struct b43_wldev *dev) /* Noise figure table */
@@ -176,21 +97,14 @@ static void b43_wa_nft(struct b43_wldev *dev) /* Noise figure table */
 	struct b43_phy *phy = &dev->phy;
 	int i;
 
-	if (phy->type == B43_PHYTYPE_A) {
-		if (phy->rev == 2)
-			for (i = 0; i < B43_TAB_NOISEA2_SIZE; i++)
-				b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i, b43_tab_noisea2[i]);
-		else
-			for (i = 0; i < B43_TAB_NOISEA3_SIZE; i++)
-				b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i, b43_tab_noisea3[i]);
-	} else {
-		if (phy->rev == 1)
-			for (i = 0; i < B43_TAB_NOISEG1_SIZE; i++)
-				b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i, b43_tab_noiseg1[i]);
-		else
-			for (i = 0; i < B43_TAB_NOISEG2_SIZE; i++)
-				b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i, b43_tab_noiseg2[i]);
-	}
+	if (phy->rev == 1)
+		for (i = 0; i < B43_TAB_NOISEG1_SIZE; i++)
+			b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i,
+					    b43_tab_noiseg1[i]);
+	else
+		for (i = 0; i < B43_TAB_NOISEG2_SIZE; i++)
+			b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i,
+					    b43_tab_noiseg2[i]);
 }
 
 static void b43_wa_rt(struct b43_wldev *dev) /* Rotor table */
@@ -201,14 +115,6 @@ static void b43_wa_rt(struct b43_wldev *dev) /* Rotor table */
 		b43_ofdmtab_write32(dev, B43_OFDMTAB_ROTOR, i, b43_tab_rotor[i]);
 }
 
-static void b43_write_null_nst(struct b43_wldev *dev)
-{
-	int i;
-
-	for (i = 0; i < B43_TAB_NOISESCALE_SIZE; i++)
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_NOISESCALE, i, 0);
-}
-
 static void b43_write_nst(struct b43_wldev *dev, const u16 *nst)
 {
 	int i;
@@ -221,24 +127,13 @@ static void b43_wa_nst(struct b43_wldev *dev) /* Noise scale table */
 {
 	struct b43_phy *phy = &dev->phy;
 
-	if (phy->type == B43_PHYTYPE_A) {
-		if (phy->rev <= 1)
-			b43_write_null_nst(dev);
-		else if (phy->rev == 2)
-			b43_write_nst(dev, b43_tab_noisescalea2);
-		else if (phy->rev == 3)
-			b43_write_nst(dev, b43_tab_noisescalea3);
-		else
+	if (phy->rev >= 6) {
+		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
 			b43_write_nst(dev, b43_tab_noisescaleg3);
+		else
+			b43_write_nst(dev, b43_tab_noisescaleg2);
 	} else {
-		if (phy->rev >= 6) {
-			if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
-				b43_write_nst(dev, b43_tab_noisescaleg3);
-			else
-				b43_write_nst(dev, b43_tab_noisescaleg2);
-		} else {
-			b43_write_nst(dev, b43_tab_noisescaleg1);
-		}
+		b43_write_nst(dev, b43_tab_noisescaleg1);
 	}
 }
 
@@ -251,41 +146,13 @@ static void b43_wa_art(struct b43_wldev *dev) /* ADV retard table */
 				i, b43_tab_retard[i]);
 }
 
-static void b43_wa_txlna_gain(struct b43_wldev *dev)
-{
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_DC, 13, 0x0000);
-}
-
-static void b43_wa_crs_reset(struct b43_wldev *dev)
-{
-	b43_phy_write(dev, 0x002C, 0x0064);
-}
-
-static void b43_wa_2060txlna_gain(struct b43_wldev *dev)
-{
-	b43_hf_write(dev, b43_hf_read(dev) |
-			 B43_HF_2060W);
-}
-
-static void b43_wa_lms(struct b43_wldev *dev)
-{
-	b43_phy_maskset(dev, 0x0055, 0xFFC0, 0x0004);
-}
-
-static void b43_wa_mixedsignal(struct b43_wldev *dev)
-{
-	b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 1, 3);
-}
-
 static void b43_wa_msst(struct b43_wldev *dev) /* Min sigma square table */
 {
 	struct b43_phy *phy = &dev->phy;
 	int i;
 	const u16 *tab;
 
-	if (phy->type == B43_PHYTYPE_A) {
-		tab = b43_tab_sigmasqr1;
-	} else if (phy->type == B43_PHYTYPE_G) {
+	if (phy->type == B43_PHYTYPE_G) {
 		tab = b43_tab_sigmasqr2;
 	} else {
 		B43_WARN_ON(1);
@@ -298,13 +165,6 @@ static void b43_wa_msst(struct b43_wldev *dev) /* Min sigma square table */
 	}
 }
 
-static void b43_wa_iqadc(struct b43_wldev *dev)
-{
-	if (dev->phy.analog == 4)
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 0,
-			b43_ofdmtab_read16(dev, B43_OFDMTAB_DAC, 0) & ~0xF000);
-}
-
 static void b43_wa_crs_ed(struct b43_wldev *dev)
 {
 	struct b43_phy *phy = &dev->phy;
@@ -450,38 +310,6 @@ static void b43_wa_cpll_nonpilot(struct b43_wldev *dev)
 	b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_11, 1, 0);
 }
 
-static void b43_wa_rssi_adc(struct b43_wldev *dev)
-{
-	if (dev->phy.analog == 4)
-		b43_phy_write(dev, 0x00DC, 0x7454);
-}
-
-static void b43_wa_boards_a(struct b43_wldev *dev)
-{
-	if (dev->dev->board_vendor == SSB_BOARDVENDOR_BCM &&
-	    dev->dev->board_type == SSB_BOARD_BU4306 &&
-	    dev->dev->board_rev < 0x30) {
-		b43_phy_write(dev, 0x0010, 0xE000);
-		b43_phy_write(dev, 0x0013, 0x0140);
-		b43_phy_write(dev, 0x0014, 0x0280);
-	} else {
-		if (dev->dev->board_type == SSB_BOARD_MP4318 &&
-		    dev->dev->board_rev < 0x20) {
-			b43_phy_write(dev, 0x0013, 0x0210);
-			b43_phy_write(dev, 0x0014, 0x0840);
-		} else {
-			b43_phy_write(dev, 0x0013, 0x0140);
-			b43_phy_write(dev, 0x0014, 0x0280);
-		}
-		if (dev->phy.rev <= 4)
-			b43_phy_write(dev, 0x0010, 0xE000);
-		else
-			b43_phy_write(dev, 0x0010, 0x2000);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_DC, 1, 0x0039);
-		b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_APHY, 7, 0x0040);
-	}
-}
-
 static void b43_wa_boards_g(struct b43_wldev *dev)
 {
 	struct ssb_sprom *sprom = dev->dev->bus_sprom;
@@ -518,80 +346,7 @@ void b43_wa_all(struct b43_wldev *dev)
 {
 	struct b43_phy *phy = &dev->phy;
 
-	if (phy->type == B43_PHYTYPE_A) {
-		switch (phy->rev) {
-		case 2:
-			b43_wa_papd(dev);
-			b43_wa_auxclipthr(dev);
-			b43_wa_afcdac(dev);
-			b43_wa_txdc_offset(dev);
-			b43_wa_initgains(dev);
-			b43_wa_divider(dev);
-			b43_wa_gt(dev);
-			b43_wa_rssi_lt(dev);
-			b43_wa_analog(dev);
-			b43_wa_dac(dev);
-			b43_wa_fft(dev);
-			b43_wa_nft(dev);
-			b43_wa_rt(dev);
-			b43_wa_nst(dev);
-			b43_wa_art(dev);
-			b43_wa_txlna_gain(dev);
-			b43_wa_crs_reset(dev);
-			b43_wa_2060txlna_gain(dev);
-			b43_wa_lms(dev);
-			break;
-		case 3:
-			b43_wa_papd(dev);
-			b43_wa_mixedsignal(dev);
-			b43_wa_rssi_lt(dev);
-			b43_wa_txdc_offset(dev);
-			b43_wa_initgains(dev);
-			b43_wa_dac(dev);
-			b43_wa_nft(dev);
-			b43_wa_nst(dev);
-			b43_wa_msst(dev);
-			b43_wa_analog(dev);
-			b43_wa_gt(dev);
-			b43_wa_txpuoff_rxpuon(dev);
-			b43_wa_txlna_gain(dev);
-			break;
-		case 5:
-			b43_wa_iqadc(dev);
-		case 6:
-			b43_wa_papd(dev);
-			b43_wa_rssi_lt(dev);
-			b43_wa_txdc_offset(dev);
-			b43_wa_initgains(dev);
-			b43_wa_dac(dev);
-			b43_wa_nft(dev);
-			b43_wa_nst(dev);
-			b43_wa_msst(dev);
-			b43_wa_analog(dev);
-			b43_wa_gt(dev);
-			b43_wa_txpuoff_rxpuon(dev);
-			b43_wa_txlna_gain(dev);
-			break;
-		case 7:
-			b43_wa_iqadc(dev);
-			b43_wa_papd(dev);
-			b43_wa_rssi_lt(dev);
-			b43_wa_txdc_offset(dev);
-			b43_wa_initgains(dev);
-			b43_wa_dac(dev);
-			b43_wa_nft(dev);
-			b43_wa_nst(dev);
-			b43_wa_msst(dev);
-			b43_wa_analog(dev);
-			b43_wa_gt(dev);
-			b43_wa_txpuoff_rxpuon(dev);
-			b43_wa_txlna_gain(dev);
-			b43_wa_rssi_adc(dev);
-		default:
-			B43_WARN_ON(1);
-		}
-		b43_wa_boards_a(dev);
-	} else if (phy->type == B43_PHYTYPE_G) {
+	if (phy->type == B43_PHYTYPE_G) {
 		switch (phy->rev) {
 		case 1://XXX review rev1
 			b43_wa_crs_ed(dev);
diff --git a/drivers/net/wireless/broadcom/b43/xmit.c b/drivers/net/wireless/broadcom/b43/xmit.c
index f6201264de49..6ddd2a125ddc 100644
--- a/drivers/net/wireless/broadcom/b43/xmit.c
+++ b/drivers/net/wireless/broadcom/b43/xmit.c
@@ -642,11 +642,7 @@ static s8 b43_rssinoise_postprocess(struct b43_wldev *dev, u8 in_rssi)
 	struct b43_phy *phy = &dev->phy;
 	s8 ret;
 
-	if (phy->type == B43_PHYTYPE_A) {
-		//TODO: Incomplete specs.
-		ret = 0;
-	} else
-		ret = b43_rssi_postprocess(dev, in_rssi, 0, 1, 1);
+	ret = b43_rssi_postprocess(dev, in_rssi, 0, 1, 1);
 
 	return ret;
 }
@@ -663,7 +659,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	u16 uninitialized_var(chanstat), uninitialized_var(mactime);
 	u32 uninitialized_var(macstat);
 	u16 chanid;
-	u16 phytype;
 	int padding, rate_idx;
 
 	memset(&status, 0, sizeof(status));
@@ -684,7 +679,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 		chanstat = le16_to_cpu(rxhdr->format_351.channel);
 		break;
 	}
-	phytype = chanstat & B43_RX_CHAN_PHYTYPE;
 
 	if (unlikely(macstat & B43_RX_MAC_FCSERR)) {
 		dev->wl->ieee_stats.dot11FCSErrorCount++;
@@ -755,7 +749,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 		else
 			status.signal = max(rxhdr->power0, rxhdr->power1);
 		break;
-	case B43_PHYTYPE_A:
 	case B43_PHYTYPE_B:
 	case B43_PHYTYPE_G:
 	case B43_PHYTYPE_LP:
@@ -802,14 +795,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 
 	chanid = (chanstat & B43_RX_CHAN_ID) >> B43_RX_CHAN_ID_SHIFT;
 	switch (chanstat & B43_RX_CHAN_PHYTYPE) {
-	case B43_PHYTYPE_A:
-		status.band = NL80211_BAND_5GHZ;
-		B43_WARN_ON(1);
-		/* FIXME: We don't really know which value the "chanid" contains.
-		 *        So the following assignment might be wrong. */
-		status.freq =
-			ieee80211_channel_to_frequency(chanid, status.band);
-		break;
 	case B43_PHYTYPE_G:
 		status.band = NL80211_BAND_2GHZ;
 		/* Somewhere between 478.104 and 508.1084 firmware for G-PHY
-- 
2.5.0

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH v2 1/2] b43: Remove unused phy_a code
  2016-06-04  4:11 [PATCH v2 1/2] b43: Remove unused phy_a code Guenter Roeck
  2016-06-04  4:11 ` [PATCH v2 2/2] b43: Completely remove support for phy_a Guenter Roeck
@ 2016-06-04  8:01 ` Michael Büsch
  1 sibling, 0 replies; 3+ messages in thread
From: Michael Büsch @ 2016-06-04  8:01 UTC (permalink / raw)
  To: Guenter Roeck; +Cc: Kalle Valo, linux-kernel, linux-wireless, b43-dev, netdev

[-- Attachment #1: Type: text/plain, Size: 1131 bytes --]

On Fri,  3 Jun 2016 21:11:51 -0700
Guenter Roeck <linux@roeck-us.net> wrote:

> +static void __b43_phy_initg(struct b43_wldev *dev)
> +{
> +	struct b43_phy *phy = &dev->phy;
> +
> +	might_sleep();
> +
> +	if (phy->rev >= 6) {
> +		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
> +			b43_phy_set(dev, B43_PHY_ENCORE, 0x0010);
> +		else
> +			b43_phy_mask(dev, B43_PHY_ENCORE, ~0x1010);
> +	}
> +
> +	b43_wa_all(dev);
> +
> +	if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
> +		b43_phy_maskset(dev, B43_PHY_OFDM(0x6E), 0xE000, 0x3CF);
> +}
> +
>  static void b43_phy_initg(struct b43_wldev *dev)
>  {
>  	struct b43_phy *phy = &dev->phy;
> @@ -1999,7 +2019,7 @@ static void b43_phy_initg(struct b43_wldev *dev)
>  		b43_phy_initb6(dev);
>  
>  	if (phy->rev >= 2 || phy->gmode)
> -		b43_phy_inita(dev);
> +		__b43_phy_initg(dev);

This actually is correctly called inita(), because there are A-phy parts
in the G-phy.
So I wasn't 100% correct saying that _all_ a-phy code is unused.
I'm Ok with moving that into the g-phy file though. But don't rename it.


-- 
Michael

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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2016-06-04  8:02 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-06-04  4:11 [PATCH v2 1/2] b43: Remove unused phy_a code Guenter Roeck
2016-06-04  4:11 ` [PATCH v2 2/2] b43: Completely remove support for phy_a Guenter Roeck
2016-06-04  8:01 ` [PATCH v2 1/2] b43: Remove unused phy_a code Michael Büsch

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