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Commit 2735a6dd authored by Stanislaw Gruszka's avatar Stanislaw Gruszka Committed by Kalle Valo
Browse files

mt76: unify wait_for_mac 



Create new mt76x02_mac.h for common mac functions of mt76x0 and mt76x2
and unity wait_for_mac for both drivers.

Signed-off-by: default avatarStanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent ac5d5b3f

drivers/net/wireless/mediatek/mt76/mt76x0/init.c

+7 −4
Original line number Diff line number Diff line
@@ -384,9 +384,11 @@ int mt76x0_init_hardware(struct mt76x0_dev *dev) 


	mt76x0_chip_onoff(dev, true, true);



	ret = mt76x0_wait_asic_ready(dev);

	if (ret)

	if (!mt76x02_wait_for_mac(&dev->mt76)) {

		ret = -ETIMEDOUT;

		goto err;

	}



	ret = mt76x0_mcu_init(dev);

	if (ret)

		goto err;
@@ -399,9 +401,10 @@ int mt76x0_init_hardware(struct mt76x0_dev *dev) 
	}



	/* Wait for ASIC ready after FW load. */

	ret = mt76x0_wait_asic_ready(dev);

	if (ret)

	if (!mt76x02_wait_for_mac(&dev->mt76)) {

		ret = -ETIMEDOUT;

		goto err;

	}



	mt76x0_reset_csr_bbp(dev);

	mt76x0_init_usb_dma(dev);

drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h

+1 −2
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <linux/debugfs.h>



#include "../mt76.h"

#include "../mt76x02_mac.h"

#include "regs.h"



#define MT_CALIBRATE_INTERVAL		(4 * HZ)
@@ -263,8 +264,6 @@ static inline bool is_mt7610e(struct mt76x0_dev *dev) 


void mt76x0_init_debugfs(struct mt76x0_dev *dev);



int mt76x0_wait_asic_ready(struct mt76x0_dev *dev);



/* Compatibility with mt76 */

#define mt76_rmw_field(_dev, _reg, _field, _val)	\

	mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))

drivers/net/wireless/mediatek/mt76/mt76x0/usb.c

+3 −2
Original line number Diff line number Diff line
@@ -287,9 +287,10 @@ static int mt76x0_probe(struct usb_interface *usb_intf, 
	/* Disable the HW, otherwise MCU fail to initalize on hot reboot */

	mt76x0_chip_onoff(dev, false, false);



	ret = mt76x0_wait_asic_ready(dev);

	if (ret)

	if (!mt76x02_wait_for_mac(&dev->mt76)) {

		ret = -ETIMEDOUT;

		goto err;

	}



	asic_rev = mt76_rr(dev, MT_ASIC_VERSION);

	mac_rev = mt76_rr(dev, MT_MAC_CSR0);

drivers/net/wireless/mediatek/mt76/mt76x02_mac.h

0 → 100644
+42 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>

 * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>

 *

 * Permission to use, copy, modify, and/or distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */



#ifndef __MT76X02_MAC_H

#define __MT76X02_MAC_H



static inline bool mt76x02_wait_for_mac(struct mt76_dev *dev)

{

	const u32 MAC_CSR0 = 0x1000;

	int i;



	for (i = 0; i < 500; i++) {

		if (test_bit(MT76_REMOVED, &dev->state))

			return -EIO;



		switch (dev->bus->rr(dev, MAC_CSR0)) {

		case 0:

		case ~0:

			break;

		default:

			return true;

		}

		usleep_range(5000, 10000);

	}

	return false;

}



#endif

drivers/net/wireless/mediatek/mt76/mt76x2.h

+0 −17
Original line number Diff line number Diff line
@@ -163,23 +163,6 @@ struct mt76x2_sta { 
	int inactive_count;

};



static inline bool mt76x2_wait_for_mac(struct mt76x2_dev *dev)

{

	int i;



	for (i = 0; i < 500; i++) {

		switch (mt76_rr(dev, MT_MAC_CSR0)) {

		case 0:

		case ~0:

			break;

		default:

			return true;

		}

		usleep_range(5000, 10000);

	}

	return false;

}



static inline bool is_mt7612(struct mt76x2_dev *dev)

{

	return mt76_chip(&dev->mt76) == 0x7612;