// SPDX-License-Identifier: GPL-2.0-only
|
/*
|
* Copyright (C) 2008 Christian Lamparter <chunkeey@web.de>
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* Copyright 2008 Johannes Berg <johannes@sipsolutions.net>
|
*
|
* This driver is a port from stlc45xx:
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* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
|
*/
|
|
#include <linux/module.h>
|
#include <linux/platform_device.h>
|
#include <linux/interrupt.h>
|
#include <linux/firmware.h>
|
#include <linux/delay.h>
|
#include <linux/irq.h>
|
#include <linux/spi/spi.h>
|
#include <linux/etherdevice.h>
|
#include <linux/gpio.h>
|
#include <linux/slab.h>
|
|
#include "p54spi.h"
|
#include "p54.h"
|
|
#include "lmac.h"
|
|
#ifdef CONFIG_P54_SPI_DEFAULT_EEPROM
|
#include "p54spi_eeprom.h"
|
#endif /* CONFIG_P54_SPI_DEFAULT_EEPROM */
|
|
MODULE_FIRMWARE("3826.arm");
|
|
/* gpios should be handled in board files and provided via platform data,
|
* but because it's currently impossible for p54spi to have a header file
|
* in include/linux, let's use module paramaters for now
|
*/
|
|
static int p54spi_gpio_power = 97;
|
module_param(p54spi_gpio_power, int, 0444);
|
MODULE_PARM_DESC(p54spi_gpio_power, "gpio number for power line");
|
|
static int p54spi_gpio_irq = 87;
|
module_param(p54spi_gpio_irq, int, 0444);
|
MODULE_PARM_DESC(p54spi_gpio_irq, "gpio number for irq line");
|
|
static void p54spi_spi_read(struct p54s_priv *priv, u8 address,
|
void *buf, size_t len)
|
{
|
struct spi_transfer t[2];
|
struct spi_message m;
|
__le16 addr;
|
|
/* We first push the address */
|
addr = cpu_to_le16(address << 8 | SPI_ADRS_READ_BIT_15);
|
|
spi_message_init(&m);
|
memset(t, 0, sizeof(t));
|
|
t[0].tx_buf = &addr;
|
t[0].len = sizeof(addr);
|
spi_message_add_tail(&t[0], &m);
|
|
t[1].rx_buf = buf;
|
t[1].len = len;
|
spi_message_add_tail(&t[1], &m);
|
|
spi_sync(priv->spi, &m);
|
}
|
|
|
static void p54spi_spi_write(struct p54s_priv *priv, u8 address,
|
const void *buf, size_t len)
|
{
|
struct spi_transfer t[3];
|
struct spi_message m;
|
__le16 addr;
|
|
/* We first push the address */
|
addr = cpu_to_le16(address << 8);
|
|
spi_message_init(&m);
|
memset(t, 0, sizeof(t));
|
|
t[0].tx_buf = &addr;
|
t[0].len = sizeof(addr);
|
spi_message_add_tail(&t[0], &m);
|
|
t[1].tx_buf = buf;
|
t[1].len = len & ~1;
|
spi_message_add_tail(&t[1], &m);
|
|
if (len % 2) {
|
__le16 last_word;
|
last_word = cpu_to_le16(((u8 *)buf)[len - 1]);
|
|
t[2].tx_buf = &last_word;
|
t[2].len = sizeof(last_word);
|
spi_message_add_tail(&t[2], &m);
|
}
|
|
spi_sync(priv->spi, &m);
|
}
|
|
static u32 p54spi_read32(struct p54s_priv *priv, u8 addr)
|
{
|
__le32 val;
|
|
p54spi_spi_read(priv, addr, &val, sizeof(val));
|
|
return le32_to_cpu(val);
|
}
|
|
static inline void p54spi_write16(struct p54s_priv *priv, u8 addr, __le16 val)
|
{
|
p54spi_spi_write(priv, addr, &val, sizeof(val));
|
}
|
|
static inline void p54spi_write32(struct p54s_priv *priv, u8 addr, __le32 val)
|
{
|
p54spi_spi_write(priv, addr, &val, sizeof(val));
|
}
|
|
static int p54spi_wait_bit(struct p54s_priv *priv, u16 reg, u32 bits)
|
{
|
int i;
|
|
for (i = 0; i < 2000; i++) {
|
u32 buffer = p54spi_read32(priv, reg);
|
if ((buffer & bits) == bits)
|
return 1;
|
}
|
return 0;
|
}
|
|
static int p54spi_spi_write_dma(struct p54s_priv *priv, __le32 base,
|
const void *buf, size_t len)
|
{
|
if (!p54spi_wait_bit(priv, SPI_ADRS_DMA_WRITE_CTRL, HOST_ALLOWED)) {
|
dev_err(&priv->spi->dev, "spi_write_dma not allowed "
|
"to DMA write.\n");
|
return -EAGAIN;
|
}
|
|
p54spi_write16(priv, SPI_ADRS_DMA_WRITE_CTRL,
|
cpu_to_le16(SPI_DMA_WRITE_CTRL_ENABLE));
|
|
p54spi_write16(priv, SPI_ADRS_DMA_WRITE_LEN, cpu_to_le16(len));
|
p54spi_write32(priv, SPI_ADRS_DMA_WRITE_BASE, base);
|
p54spi_spi_write(priv, SPI_ADRS_DMA_DATA, buf, len);
|
return 0;
|
}
|
|
static int p54spi_request_firmware(struct ieee80211_hw *dev)
|
{
|
struct p54s_priv *priv = dev->priv;
|
int ret;
|
|
/* FIXME: should driver use it's own struct device? */
|
ret = request_firmware(&priv->firmware, "3826.arm", &priv->spi->dev);
|
|
if (ret < 0) {
|
dev_err(&priv->spi->dev, "request_firmware() failed: %d", ret);
|
return ret;
|
}
|
|
ret = p54_parse_firmware(dev, priv->firmware);
|
if (ret) {
|
/* the firmware is released by the caller */
|
return ret;
|
}
|
|
return 0;
|
}
|
|
static int p54spi_request_eeprom(struct ieee80211_hw *dev)
|
{
|
struct p54s_priv *priv = dev->priv;
|
const struct firmware *eeprom;
|
int ret;
|
|
/* allow users to customize their eeprom.
|
*/
|
|
ret = request_firmware_direct(&eeprom, "3826.eeprom", &priv->spi->dev);
|
if (ret < 0) {
|
#ifdef CONFIG_P54_SPI_DEFAULT_EEPROM
|
dev_info(&priv->spi->dev, "loading default eeprom...\n");
|
ret = p54_parse_eeprom(dev, (void *) p54spi_eeprom,
|
sizeof(p54spi_eeprom));
|
#else
|
dev_err(&priv->spi->dev, "Failed to request user eeprom\n");
|
#endif /* CONFIG_P54_SPI_DEFAULT_EEPROM */
|
} else {
|
dev_info(&priv->spi->dev, "loading user eeprom...\n");
|
ret = p54_parse_eeprom(dev, (void *) eeprom->data,
|
(int)eeprom->size);
|
release_firmware(eeprom);
|
}
|
return ret;
|
}
|
|
static int p54spi_upload_firmware(struct ieee80211_hw *dev)
|
{
|
struct p54s_priv *priv = dev->priv;
|
unsigned long fw_len, _fw_len;
|
unsigned int offset = 0;
|
int err = 0;
|
u8 *fw;
|
|
fw_len = priv->firmware->size;
|
fw = kmemdup(priv->firmware->data, fw_len, GFP_KERNEL);
|
if (!fw)
|
return -ENOMEM;
|
|
/* stop the device */
|
p54spi_write16(priv, SPI_ADRS_DEV_CTRL_STAT, cpu_to_le16(
|
SPI_CTRL_STAT_HOST_OVERRIDE | SPI_CTRL_STAT_HOST_RESET |
|
SPI_CTRL_STAT_START_HALTED));
|
|
msleep(TARGET_BOOT_SLEEP);
|
|
p54spi_write16(priv, SPI_ADRS_DEV_CTRL_STAT, cpu_to_le16(
|
SPI_CTRL_STAT_HOST_OVERRIDE |
|
SPI_CTRL_STAT_START_HALTED));
|
|
msleep(TARGET_BOOT_SLEEP);
|
|
while (fw_len > 0) {
|
_fw_len = min_t(long, fw_len, SPI_MAX_PACKET_SIZE);
|
|
err = p54spi_spi_write_dma(priv, cpu_to_le32(
|
ISL38XX_DEV_FIRMWARE_ADDR + offset),
|
(fw + offset), _fw_len);
|
if (err < 0)
|
goto out;
|
|
fw_len -= _fw_len;
|
offset += _fw_len;
|
}
|
|
BUG_ON(fw_len != 0);
|
|
/* enable host interrupts */
|
p54spi_write32(priv, SPI_ADRS_HOST_INT_EN,
|
cpu_to_le32(SPI_HOST_INTS_DEFAULT));
|
|
/* boot the device */
|
p54spi_write16(priv, SPI_ADRS_DEV_CTRL_STAT, cpu_to_le16(
|
SPI_CTRL_STAT_HOST_OVERRIDE | SPI_CTRL_STAT_HOST_RESET |
|
SPI_CTRL_STAT_RAM_BOOT));
|
|
msleep(TARGET_BOOT_SLEEP);
|
|
p54spi_write16(priv, SPI_ADRS_DEV_CTRL_STAT, cpu_to_le16(
|
SPI_CTRL_STAT_HOST_OVERRIDE | SPI_CTRL_STAT_RAM_BOOT));
|
msleep(TARGET_BOOT_SLEEP);
|
|
out:
|
kfree(fw);
|
return err;
|
}
|
|
static void p54spi_power_off(struct p54s_priv *priv)
|
{
|
disable_irq(gpio_to_irq(p54spi_gpio_irq));
|
gpio_set_value(p54spi_gpio_power, 0);
|
}
|
|
static void p54spi_power_on(struct p54s_priv *priv)
|
{
|
gpio_set_value(p54spi_gpio_power, 1);
|
enable_irq(gpio_to_irq(p54spi_gpio_irq));
|
|
/* need to wait a while before device can be accessed, the length
|
* is just a guess
|
*/
|
msleep(10);
|
}
|
|
static inline void p54spi_int_ack(struct p54s_priv *priv, u32 val)
|
{
|
p54spi_write32(priv, SPI_ADRS_HOST_INT_ACK, cpu_to_le32(val));
|
}
|
|
static int p54spi_wakeup(struct p54s_priv *priv)
|
{
|
/* wake the chip */
|
p54spi_write32(priv, SPI_ADRS_ARM_INTERRUPTS,
|
cpu_to_le32(SPI_TARGET_INT_WAKEUP));
|
|
/* And wait for the READY interrupt */
|
if (!p54spi_wait_bit(priv, SPI_ADRS_HOST_INTERRUPTS,
|
SPI_HOST_INT_READY)) {
|
dev_err(&priv->spi->dev, "INT_READY timeout\n");
|
return -EBUSY;
|
}
|
|
p54spi_int_ack(priv, SPI_HOST_INT_READY);
|
return 0;
|
}
|
|
static inline void p54spi_sleep(struct p54s_priv *priv)
|
{
|
p54spi_write32(priv, SPI_ADRS_ARM_INTERRUPTS,
|
cpu_to_le32(SPI_TARGET_INT_SLEEP));
|
}
|
|
static void p54spi_int_ready(struct p54s_priv *priv)
|
{
|
p54spi_write32(priv, SPI_ADRS_HOST_INT_EN, cpu_to_le32(
|
SPI_HOST_INT_UPDATE | SPI_HOST_INT_SW_UPDATE));
|
|
switch (priv->fw_state) {
|
case FW_STATE_BOOTING:
|
priv->fw_state = FW_STATE_READY;
|
complete(&priv->fw_comp);
|
break;
|
case FW_STATE_RESETTING:
|
priv->fw_state = FW_STATE_READY;
|
/* TODO: reinitialize state */
|
break;
|
default:
|
break;
|
}
|
}
|
|
static int p54spi_rx(struct p54s_priv *priv)
|
{
|
struct sk_buff *skb;
|
u16 len;
|
u16 rx_head[2];
|
#define READAHEAD_SZ (sizeof(rx_head)-sizeof(u16))
|
|
if (p54spi_wakeup(priv) < 0)
|
return -EBUSY;
|
|
/* Read data size and first data word in one SPI transaction
|
* This is workaround for firmware/DMA bug,
|
* when first data word gets lost under high load.
|
*/
|
p54spi_spi_read(priv, SPI_ADRS_DMA_DATA, rx_head, sizeof(rx_head));
|
len = rx_head[0];
|
|
if (len == 0) {
|
p54spi_sleep(priv);
|
dev_err(&priv->spi->dev, "rx request of zero bytes\n");
|
return 0;
|
}
|
|
/* Firmware may insert up to 4 padding bytes after the lmac header,
|
* but it does not amend the size of SPI data transfer.
|
* Such packets has correct data size in header, thus referencing
|
* past the end of allocated skb. Reserve extra 4 bytes for this case
|
*/
|
skb = dev_alloc_skb(len + 4);
|
if (!skb) {
|
p54spi_sleep(priv);
|
dev_err(&priv->spi->dev, "could not alloc skb");
|
return -ENOMEM;
|
}
|
|
if (len <= READAHEAD_SZ) {
|
skb_put_data(skb, rx_head + 1, len);
|
} else {
|
skb_put_data(skb, rx_head + 1, READAHEAD_SZ);
|
p54spi_spi_read(priv, SPI_ADRS_DMA_DATA,
|
skb_put(skb, len - READAHEAD_SZ),
|
len - READAHEAD_SZ);
|
}
|
p54spi_sleep(priv);
|
/* Put additional bytes to compensate for the possible
|
* alignment-caused truncation
|
*/
|
skb_put(skb, 4);
|
|
if (p54_rx(priv->hw, skb) == 0)
|
dev_kfree_skb(skb);
|
|
return 0;
|
}
|
|
|
static irqreturn_t p54spi_interrupt(int irq, void *config)
|
{
|
struct spi_device *spi = config;
|
struct p54s_priv *priv = spi_get_drvdata(spi);
|
|
ieee80211_queue_work(priv->hw, &priv->work);
|
|
return IRQ_HANDLED;
|
}
|
|
static int p54spi_tx_frame(struct p54s_priv *priv, struct sk_buff *skb)
|
{
|
struct p54_hdr *hdr = (struct p54_hdr *) skb->data;
|
int ret = 0;
|
|
if (p54spi_wakeup(priv) < 0)
|
return -EBUSY;
|
|
ret = p54spi_spi_write_dma(priv, hdr->req_id, skb->data, skb->len);
|
if (ret < 0)
|
goto out;
|
|
if (!p54spi_wait_bit(priv, SPI_ADRS_HOST_INTERRUPTS,
|
SPI_HOST_INT_WR_READY)) {
|
dev_err(&priv->spi->dev, "WR_READY timeout\n");
|
ret = -EAGAIN;
|
goto out;
|
}
|
|
p54spi_int_ack(priv, SPI_HOST_INT_WR_READY);
|
|
if (FREE_AFTER_TX(skb))
|
p54_free_skb(priv->hw, skb);
|
out:
|
p54spi_sleep(priv);
|
return ret;
|
}
|
|
static int p54spi_wq_tx(struct p54s_priv *priv)
|
{
|
struct p54s_tx_info *entry;
|
struct sk_buff *skb;
|
struct ieee80211_tx_info *info;
|
struct p54_tx_info *minfo;
|
struct p54s_tx_info *dinfo;
|
unsigned long flags;
|
int ret = 0;
|
|
spin_lock_irqsave(&priv->tx_lock, flags);
|
|
while (!list_empty(&priv->tx_pending)) {
|
entry = list_entry(priv->tx_pending.next,
|
struct p54s_tx_info, tx_list);
|
|
list_del_init(&entry->tx_list);
|
|
spin_unlock_irqrestore(&priv->tx_lock, flags);
|
|
dinfo = container_of((void *) entry, struct p54s_tx_info,
|
tx_list);
|
minfo = container_of((void *) dinfo, struct p54_tx_info,
|
data);
|
info = container_of((void *) minfo, struct ieee80211_tx_info,
|
rate_driver_data);
|
skb = container_of((void *) info, struct sk_buff, cb);
|
|
ret = p54spi_tx_frame(priv, skb);
|
|
if (ret < 0) {
|
p54_free_skb(priv->hw, skb);
|
return ret;
|
}
|
|
spin_lock_irqsave(&priv->tx_lock, flags);
|
}
|
spin_unlock_irqrestore(&priv->tx_lock, flags);
|
return ret;
|
}
|
|
static void p54spi_op_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
|
{
|
struct p54s_priv *priv = dev->priv;
|
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
struct p54_tx_info *mi = (struct p54_tx_info *) info->rate_driver_data;
|
struct p54s_tx_info *di = (struct p54s_tx_info *) mi->data;
|
unsigned long flags;
|
|
BUILD_BUG_ON(sizeof(*di) > sizeof((mi->data)));
|
|
spin_lock_irqsave(&priv->tx_lock, flags);
|
list_add_tail(&di->tx_list, &priv->tx_pending);
|
spin_unlock_irqrestore(&priv->tx_lock, flags);
|
|
ieee80211_queue_work(priv->hw, &priv->work);
|
}
|
|
static void p54spi_work(struct work_struct *work)
|
{
|
struct p54s_priv *priv = container_of(work, struct p54s_priv, work);
|
u32 ints;
|
int ret;
|
|
mutex_lock(&priv->mutex);
|
|
if (priv->fw_state == FW_STATE_OFF)
|
goto out;
|
|
ints = p54spi_read32(priv, SPI_ADRS_HOST_INTERRUPTS);
|
|
if (ints & SPI_HOST_INT_READY) {
|
p54spi_int_ready(priv);
|
p54spi_int_ack(priv, SPI_HOST_INT_READY);
|
}
|
|
if (priv->fw_state != FW_STATE_READY)
|
goto out;
|
|
if (ints & SPI_HOST_INT_UPDATE) {
|
p54spi_int_ack(priv, SPI_HOST_INT_UPDATE);
|
ret = p54spi_rx(priv);
|
if (ret < 0)
|
goto out;
|
}
|
if (ints & SPI_HOST_INT_SW_UPDATE) {
|
p54spi_int_ack(priv, SPI_HOST_INT_SW_UPDATE);
|
ret = p54spi_rx(priv);
|
if (ret < 0)
|
goto out;
|
}
|
|
ret = p54spi_wq_tx(priv);
|
out:
|
mutex_unlock(&priv->mutex);
|
}
|
|
static int p54spi_op_start(struct ieee80211_hw *dev)
|
{
|
struct p54s_priv *priv = dev->priv;
|
unsigned long timeout;
|
int ret = 0;
|
|
if (mutex_lock_interruptible(&priv->mutex)) {
|
ret = -EINTR;
|
goto out;
|
}
|
|
priv->fw_state = FW_STATE_BOOTING;
|
|
p54spi_power_on(priv);
|
|
ret = p54spi_upload_firmware(dev);
|
if (ret < 0) {
|
p54spi_power_off(priv);
|
goto out_unlock;
|
}
|
|
mutex_unlock(&priv->mutex);
|
|
timeout = msecs_to_jiffies(2000);
|
timeout = wait_for_completion_interruptible_timeout(&priv->fw_comp,
|
timeout);
|
if (!timeout) {
|
dev_err(&priv->spi->dev, "firmware boot failed");
|
p54spi_power_off(priv);
|
ret = -1;
|
goto out;
|
}
|
|
if (mutex_lock_interruptible(&priv->mutex)) {
|
ret = -EINTR;
|
p54spi_power_off(priv);
|
goto out;
|
}
|
|
WARN_ON(priv->fw_state != FW_STATE_READY);
|
|
out_unlock:
|
mutex_unlock(&priv->mutex);
|
|
out:
|
return ret;
|
}
|
|
static void p54spi_op_stop(struct ieee80211_hw *dev)
|
{
|
struct p54s_priv *priv = dev->priv;
|
unsigned long flags;
|
|
mutex_lock(&priv->mutex);
|
WARN_ON(priv->fw_state != FW_STATE_READY);
|
|
p54spi_power_off(priv);
|
spin_lock_irqsave(&priv->tx_lock, flags);
|
INIT_LIST_HEAD(&priv->tx_pending);
|
spin_unlock_irqrestore(&priv->tx_lock, flags);
|
|
priv->fw_state = FW_STATE_OFF;
|
mutex_unlock(&priv->mutex);
|
|
cancel_work_sync(&priv->work);
|
}
|
|
static int p54spi_probe(struct spi_device *spi)
|
{
|
struct p54s_priv *priv = NULL;
|
struct ieee80211_hw *hw;
|
int ret = -EINVAL;
|
|
hw = p54_init_common(sizeof(*priv));
|
if (!hw) {
|
dev_err(&spi->dev, "could not alloc ieee80211_hw");
|
return -ENOMEM;
|
}
|
|
priv = hw->priv;
|
priv->hw = hw;
|
spi_set_drvdata(spi, priv);
|
priv->spi = spi;
|
|
spi->bits_per_word = 16;
|
spi->max_speed_hz = 24000000;
|
|
ret = spi_setup(spi);
|
if (ret < 0) {
|
dev_err(&priv->spi->dev, "spi_setup failed");
|
goto err_free;
|
}
|
|
ret = gpio_request(p54spi_gpio_power, "p54spi power");
|
if (ret < 0) {
|
dev_err(&priv->spi->dev, "power GPIO request failed: %d", ret);
|
goto err_free;
|
}
|
|
ret = gpio_request(p54spi_gpio_irq, "p54spi irq");
|
if (ret < 0) {
|
dev_err(&priv->spi->dev, "irq GPIO request failed: %d", ret);
|
goto err_free_gpio_power;
|
}
|
|
gpio_direction_output(p54spi_gpio_power, 0);
|
gpio_direction_input(p54spi_gpio_irq);
|
|
ret = request_irq(gpio_to_irq(p54spi_gpio_irq),
|
p54spi_interrupt, 0, "p54spi",
|
priv->spi);
|
if (ret < 0) {
|
dev_err(&priv->spi->dev, "request_irq() failed");
|
goto err_free_gpio_irq;
|
}
|
|
irq_set_irq_type(gpio_to_irq(p54spi_gpio_irq), IRQ_TYPE_EDGE_RISING);
|
|
disable_irq(gpio_to_irq(p54spi_gpio_irq));
|
|
INIT_WORK(&priv->work, p54spi_work);
|
init_completion(&priv->fw_comp);
|
INIT_LIST_HEAD(&priv->tx_pending);
|
mutex_init(&priv->mutex);
|
spin_lock_init(&priv->tx_lock);
|
SET_IEEE80211_DEV(hw, &spi->dev);
|
priv->common.open = p54spi_op_start;
|
priv->common.stop = p54spi_op_stop;
|
priv->common.tx = p54spi_op_tx;
|
|
ret = p54spi_request_firmware(hw);
|
if (ret < 0)
|
goto err_free_common;
|
|
ret = p54spi_request_eeprom(hw);
|
if (ret)
|
goto err_free_common;
|
|
ret = p54_register_common(hw, &priv->spi->dev);
|
if (ret)
|
goto err_free_common;
|
|
return 0;
|
|
err_free_common:
|
release_firmware(priv->firmware);
|
free_irq(gpio_to_irq(p54spi_gpio_irq), spi);
|
err_free_gpio_irq:
|
gpio_free(p54spi_gpio_irq);
|
err_free_gpio_power:
|
gpio_free(p54spi_gpio_power);
|
err_free:
|
p54_free_common(priv->hw);
|
return ret;
|
}
|
|
static int p54spi_remove(struct spi_device *spi)
|
{
|
struct p54s_priv *priv = spi_get_drvdata(spi);
|
|
p54_unregister_common(priv->hw);
|
|
free_irq(gpio_to_irq(p54spi_gpio_irq), spi);
|
|
gpio_free(p54spi_gpio_power);
|
gpio_free(p54spi_gpio_irq);
|
release_firmware(priv->firmware);
|
|
mutex_destroy(&priv->mutex);
|
|
p54_free_common(priv->hw);
|
|
return 0;
|
}
|
|
|
static struct spi_driver p54spi_driver = {
|
.driver = {
|
.name = "p54spi",
|
},
|
|
.probe = p54spi_probe,
|
.remove = p54spi_remove,
|
};
|
|
module_spi_driver(p54spi_driver);
|
|
MODULE_LICENSE("GPL");
|
MODULE_AUTHOR("Christian Lamparter <chunkeey@web.de>");
|
MODULE_ALIAS("spi:cx3110x");
|
MODULE_ALIAS("spi:p54spi");
|
MODULE_ALIAS("spi:stlc45xx");
|
