1ccea77e2a
Based on 2 normalized pattern(s): 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 if not see http www gnu org licenses 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 [based] [from] [clk] [highbank] [c] you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 355 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190519154041.837383322@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
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Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
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<http://rt2x00.serialmonkey.com>
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*/
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/*
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Module: rt2x00lib
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Abstract: rt2x00 firmware loading routines.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include "rt2x00.h"
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#include "rt2x00lib.h"
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static int rt2x00lib_request_firmware(struct rt2x00_dev *rt2x00dev)
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{
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struct device *device = wiphy_dev(rt2x00dev->hw->wiphy);
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const struct firmware *fw;
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char *fw_name;
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int retval;
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/*
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* Read correct firmware from harddisk.
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*/
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fw_name = rt2x00dev->ops->lib->get_firmware_name(rt2x00dev);
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if (!fw_name) {
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rt2x00_err(rt2x00dev,
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"Invalid firmware filename\n"
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"Please file bug report to %s\n", DRV_PROJECT);
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return -EINVAL;
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}
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rt2x00_info(rt2x00dev, "Loading firmware file '%s'\n", fw_name);
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retval = request_firmware(&fw, fw_name, device);
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if (retval) {
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rt2x00_err(rt2x00dev, "Failed to request Firmware\n");
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return retval;
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}
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if (!fw || !fw->size || !fw->data) {
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rt2x00_err(rt2x00dev, "Failed to read Firmware\n");
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release_firmware(fw);
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return -ENOENT;
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}
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rt2x00_info(rt2x00dev, "Firmware detected - version: %d.%d\n",
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fw->data[fw->size - 4], fw->data[fw->size - 3]);
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snprintf(rt2x00dev->hw->wiphy->fw_version,
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sizeof(rt2x00dev->hw->wiphy->fw_version), "%d.%d",
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fw->data[fw->size - 4], fw->data[fw->size - 3]);
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retval = rt2x00dev->ops->lib->check_firmware(rt2x00dev, fw->data, fw->size);
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switch (retval) {
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case FW_OK:
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break;
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case FW_BAD_CRC:
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rt2x00_err(rt2x00dev, "Firmware checksum error\n");
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goto exit;
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case FW_BAD_LENGTH:
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rt2x00_err(rt2x00dev, "Invalid firmware file length (len=%zu)\n",
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fw->size);
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goto exit;
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case FW_BAD_VERSION:
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rt2x00_err(rt2x00dev, "Current firmware does not support detected chipset\n");
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goto exit;
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}
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rt2x00dev->fw = fw;
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return 0;
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exit:
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release_firmware(fw);
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return -ENOENT;
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}
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int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev)
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{
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int retval;
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if (!rt2x00_has_cap_flag(rt2x00dev, REQUIRE_FIRMWARE))
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return 0;
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if (!rt2x00dev->fw) {
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retval = rt2x00lib_request_firmware(rt2x00dev);
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if (retval)
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return retval;
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}
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/*
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* Send firmware to the device.
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*/
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retval = rt2x00dev->ops->lib->load_firmware(rt2x00dev,
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rt2x00dev->fw->data,
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rt2x00dev->fw->size);
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/*
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* When the firmware is uploaded to the hardware the LED
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* association status might have been triggered, for correct
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* LED handling it should now be reset.
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*/
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rt2x00leds_led_assoc(rt2x00dev, false);
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return retval;
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}
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void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev)
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{
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release_firmware(rt2x00dev->fw);
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rt2x00dev->fw = NULL;
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}
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