From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/drivers/net/wireless/broadcom/b43legacy/main.c | 65 +++++++-------------------------
1 files changed, 15 insertions(+), 50 deletions(-)
diff --git a/kernel/drivers/net/wireless/broadcom/b43legacy/main.c b/kernel/drivers/net/wireless/broadcom/b43legacy/main.c
index ef1f1b5..a27125b 100644
--- a/kernel/drivers/net/wireless/broadcom/b43legacy/main.c
+++ b/kernel/drivers/net/wireless/broadcom/b43legacy/main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* Broadcom B43legacy wireless driver
@@ -12,21 +13,6 @@
* Some parts of the code in this file are derived from the ipw2200
* driver Copyright(c) 2003 - 2004 Intel Corporation.
- * 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/delay.h>
@@ -264,7 +250,6 @@
val = swab32(val);
b43legacy_write32(dev, B43legacy_MMIO_RAM_CONTROL, offset);
- mmiowb();
b43legacy_write32(dev, B43legacy_MMIO_RAM_DATA, val);
}
@@ -341,14 +326,11 @@
if (offset & 0x0003) {
/* Unaligned access */
b43legacy_shm_control_word(dev, routing, offset >> 2);
- mmiowb();
b43legacy_write16(dev,
B43legacy_MMIO_SHM_DATA_UNALIGNED,
(value >> 16) & 0xffff);
- mmiowb();
b43legacy_shm_control_word(dev, routing,
(offset >> 2) + 1);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA,
value & 0xffff);
return;
@@ -356,7 +338,6 @@
offset >>= 2;
}
b43legacy_shm_control_word(dev, routing, offset);
- mmiowb();
b43legacy_write32(dev, B43legacy_MMIO_SHM_DATA, value);
}
@@ -368,7 +349,6 @@
if (offset & 0x0003) {
/* Unaligned access */
b43legacy_shm_control_word(dev, routing, offset >> 2);
- mmiowb();
b43legacy_write16(dev,
B43legacy_MMIO_SHM_DATA_UNALIGNED,
value);
@@ -377,7 +357,6 @@
offset >>= 2;
}
b43legacy_shm_control_word(dev, routing, offset);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_SHM_DATA, value);
}
@@ -471,7 +450,6 @@
status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
status |= B43legacy_MACCTL_TBTTHOLD;
b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
- mmiowb();
}
static void b43legacy_time_unlock(struct b43legacy_wldev *dev)
@@ -494,10 +472,8 @@
u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32;
b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_LOW, 0);
- mmiowb();
b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_HIGH,
hi);
- mmiowb();
b43legacy_write32(dev, B43legacy_MMIO_REV3PLUS_TSF_LOW,
lo);
} else {
@@ -507,13 +483,9 @@
u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48;
b43legacy_write16(dev, B43legacy_MMIO_TSF_0, 0);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_TSF_3, v3);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_TSF_2, v2);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_TSF_1, v1);
- mmiowb();
b43legacy_write16(dev, B43legacy_MMIO_TSF_0, v0);
}
}
@@ -619,7 +591,7 @@
}
/* DummyTransmission function, as documented on
- * http://bcm-specs.sipsolutions.net/DummyTransmission
+ * https://bcm-specs.sipsolutions.net/DummyTransmission
*/
void b43legacy_dummy_transmission(struct b43legacy_wldev *dev)
{
@@ -1250,7 +1222,6 @@
/* The handler might have updated the IRQ mask. */
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK,
dev->irq_mask);
- mmiowb();
spin_unlock_irq(&wl->irq_lock);
}
mutex_unlock(&wl->mutex);
@@ -1304,9 +1275,9 @@
}
/* Interrupt handler bottom-half */
-static void b43legacy_interrupt_tasklet(unsigned long data)
+static void b43legacy_interrupt_tasklet(struct tasklet_struct *t)
{
- struct b43legacy_wldev *dev = (struct b43legacy_wldev *)data;
+ struct b43legacy_wldev *dev = from_tasklet(dev, t, isr_tasklet);
u32 reason;
u32 dma_reason[ARRAY_SIZE(dev->dma_reason)];
u32 merged_dma_reason = 0;
@@ -1347,7 +1318,6 @@
dma_reason[2], dma_reason[3],
dma_reason[4], dma_reason[5]);
b43legacy_controller_restart(dev, "DMA error");
- mmiowb();
spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
return;
}
@@ -1370,8 +1340,9 @@
handle_irq_beacon(dev);
if (reason & B43legacy_IRQ_PMQ)
handle_irq_pmq(dev);
- if (reason & B43legacy_IRQ_TXFIFO_FLUSH_OK)
+ if (reason & B43legacy_IRQ_TXFIFO_FLUSH_OK) {
;/*TODO*/
+ }
if (reason & B43legacy_IRQ_NOISESAMPLE_OK)
handle_irq_noise(dev);
@@ -1397,7 +1368,6 @@
handle_irq_transmit_status(dev);
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
- mmiowb();
spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
}
@@ -1489,7 +1459,6 @@
dev->irq_reason = reason;
tasklet_schedule(&dev->isr_tasklet);
out:
- mmiowb();
spin_unlock(&dev->wl->irq_lock);
return ret;
@@ -1509,8 +1478,8 @@
static void b43legacy_print_fw_helptext(struct b43legacy_wl *wl)
{
- b43legacyerr(wl, "You must go to http://wireless.kernel.org/en/users/"
- "Drivers/b43#devicefirmware "
+ b43legacyerr(wl, "You must go to https://wireless.wiki.kernel.org/en/"
+ "users/Drivers/b43#devicefirmware "
"and download the correct firmware (version 3).\n");
}
@@ -1569,7 +1538,7 @@
size = be32_to_cpu(hdr->size);
if (size != (*fw)->size - sizeof(struct b43legacy_fw_header))
goto err_format;
- /* fallthrough */
+ fallthrough;
case B43legacy_FW_TYPE_IV:
if (hdr->ver != 1)
goto err_format;
@@ -1902,7 +1871,7 @@
}
/* Initialize the GPIOs
- * http://bcm-specs.sipsolutions.net/GPIO
+ * https://bcm-specs.sipsolutions.net/GPIO
*/
static int b43legacy_gpio_init(struct b43legacy_wldev *dev)
{
@@ -1992,7 +1961,7 @@
}
}
-/* http://bcm-specs.sipsolutions.net/SuspendMAC */
+/* https://bcm-specs.sipsolutions.net/SuspendMAC */
void b43legacy_mac_suspend(struct b43legacy_wldev *dev)
{
int i;
@@ -2108,7 +2077,7 @@
b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_36MB, 1);
b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_48MB, 1);
b43legacy_rate_memory_write(dev, B43legacy_OFDM_RATE_54MB, 1);
- /* fallthrough */
+ fallthrough;
case B43legacy_PHYTYPE_B:
b43legacy_rate_memory_write(dev, B43legacy_CCK_RATE_1MB, 0);
b43legacy_rate_memory_write(dev, B43legacy_CCK_RATE_2MB, 0);
@@ -2173,7 +2142,7 @@
}
/* Initialize the chip
- * http://bcm-specs.sipsolutions.net/ChipInit
+ * https://bcm-specs.sipsolutions.net/ChipInit
*/
static int b43legacy_chip_init(struct b43legacy_wldev *dev)
{
@@ -2612,7 +2581,7 @@
static int b43legacy_switch_phymode(struct b43legacy_wl *wl,
unsigned int new_mode)
{
- struct b43legacy_wldev *uninitialized_var(up_dev);
+ struct b43legacy_wldev *up_dev;
struct b43legacy_wldev *down_dev;
int err;
bool gmode = false;
@@ -2782,7 +2751,6 @@
spin_lock_irqsave(&wl->irq_lock, flags);
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
- mmiowb();
spin_unlock_irqrestore(&wl->irq_lock, flags);
out_unlock_mutex:
mutex_unlock(&wl->mutex);
@@ -2901,7 +2869,6 @@
spin_lock_irqsave(&wl->irq_lock, flags);
b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
/* XXX: why? */
- mmiowb();
spin_unlock_irqrestore(&wl->irq_lock, flags);
out_unlock_mutex:
mutex_unlock(&wl->mutex);
@@ -3775,9 +3742,7 @@
wldev->wl = wl;
b43legacy_set_status(wldev, B43legacy_STAT_UNINIT);
wldev->bad_frames_preempt = modparam_bad_frames_preempt;
- tasklet_init(&wldev->isr_tasklet,
- b43legacy_interrupt_tasklet,
- (unsigned long)wldev);
+ tasklet_setup(&wldev->isr_tasklet, b43legacy_interrupt_tasklet);
if (modparam_pio)
wldev->__using_pio = true;
INIT_LIST_HEAD(&wldev->list);
--
Gitblit v1.6.2