Skip to content

L
linux
Commit fe2e1c22 authored by Yang Yingliang's avatar Yang Yingliang Committed by Mark Brown
Browse files
Options

spi: tegra114: switch to use modern name 

Change legacy name master/slave to modern name host/target or controller.

No functional changed.
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Link: https://msgid.link/r/20231128093031.3707034-12-yangyingliang@huawei.comSigned-off-by: default avatarMark Brown <broonie@kernel.org>
parent 8726bdce
Hide whitespace changes
Inline Side-by-side
Showing with 59 additions and 59 deletions
drivers/spi/spi-tegra114.c
View file @ fe2e1c22
......@@ -164,7 +164,7 @@ struct tegra_spi_client_data {
struct tegra_spi_data {
struct device *dev;
struct spi_master *master;
struct spi_controller *host;
spinlock_t lock;
struct clk *clk;
......@@ -718,7 +718,7 @@ static void tegra_spi_deinit_dma_param(struct tegra_spi_data *tspi,
static int tegra_spi_set_hw_cs_timing(struct spi_device *spi)
{
struct tegra_spi_data *tspi = spi_master_get_devdata(spi->master);
struct tegra_spi_data *tspi = spi_controller_get_devdata(spi->controller);
struct spi_delay *setup = &spi->cs_setup;
struct spi_delay *hold = &spi->cs_hold;
struct spi_delay *inactive = &spi->cs_inactive;
......@@ -772,7 +772,7 @@ static u32 tegra_spi_setup_transfer_one(struct spi_device *spi,
bool is_first_of_msg,
bool is_single_xfer)
{
struct tegra_spi_data *tspi = spi_master_get_devdata(spi->master);
struct tegra_spi_data *tspi = spi_controller_get_devdata(spi->controller);
struct tegra_spi_client_data *cdata = spi->controller_data;
u32 speed = t->speed_hz;
u8 bits_per_word = t->bits_per_word;
......@@ -865,7 +865,7 @@ static u32 tegra_spi_setup_transfer_one(struct spi_device *spi,
static int tegra_spi_start_transfer_one(struct spi_device *spi,
struct spi_transfer *t, u32 command1)
{
struct tegra_spi_data *tspi = spi_master_get_devdata(spi->master);
struct tegra_spi_data *tspi = spi_controller_get_devdata(spi->controller);
unsigned total_fifo_words;
int ret;
......@@ -912,10 +912,10 @@ static struct tegra_spi_client_data
*tegra_spi_parse_cdata_dt(struct spi_device *spi)
{
struct tegra_spi_client_data *cdata;
struct device_node *slave_np;
struct device_node *target_np;
slave_np = spi->dev.of_node;
if (!slave_np) {
target_np = spi->dev.of_node;
if (!target_np) {
dev_dbg(&spi->dev, "device node not found\n");
return NULL;
}
......@@ -924,9 +924,9 @@ static struct tegra_spi_client_data
if (!cdata)
return NULL;
of_property_read_u32(slave_np, "nvidia,tx-clk-tap-delay",
of_property_read_u32(target_np, "nvidia,tx-clk-tap-delay",
&cdata->tx_clk_tap_delay);
of_property_read_u32(slave_np, "nvidia,rx-clk-tap-delay",
of_property_read_u32(target_np, "nvidia,rx-clk-tap-delay",
&cdata->rx_clk_tap_delay);
return cdata;
}
......@@ -942,7 +942,7 @@ static void tegra_spi_cleanup(struct spi_device *spi)
static int tegra_spi_setup(struct spi_device *spi)
{
struct tegra_spi_data *tspi = spi_master_get_devdata(spi->master);
struct tegra_spi_data *tspi = spi_controller_get_devdata(spi->controller);
struct tegra_spi_client_data *cdata = spi->controller_data;
u32 val;
unsigned long flags;
......@@ -993,7 +993,7 @@ static int tegra_spi_setup(struct spi_device *spi)
static void tegra_spi_transfer_end(struct spi_device *spi)
{
struct tegra_spi_data *tspi = spi_master_get_devdata(spi->master);
struct tegra_spi_data *tspi = spi_controller_get_devdata(spi->controller);
int cs_val = (spi->mode & SPI_CS_HIGH) ? 0 : 1;
/* GPIO based chip select control */
......@@ -1025,11 +1025,11 @@ static void tegra_spi_dump_regs(struct tegra_spi_data *tspi)
tegra_spi_readl(tspi, SPI_FIFO_STATUS));
}
static int tegra_spi_transfer_one_message(struct spi_master *master,
static int tegra_spi_transfer_one_message(struct spi_controller *host,
struct spi_message *msg)
{
bool is_first_msg = true;
struct tegra_spi_data *tspi = spi_master_get_devdata(master);
struct tegra_spi_data *tspi = spi_controller_get_devdata(host);
struct spi_transfer *xfer;
struct spi_device *spi = msg->spi;
int ret;
......@@ -1078,7 +1078,7 @@ static int tegra_spi_transfer_one_message(struct spi_master *master,
reset_control_assert(tspi->rst);
udelay(2);
reset_control_deassert(tspi->rst);
tspi->last_used_cs = master->num_chipselect + 1;
tspi->last_used_cs = host->num_chipselect + 1;
goto complete_xfer;
}
......@@ -1112,7 +1112,7 @@ static int tegra_spi_transfer_one_message(struct spi_master *master,
ret = 0;
exit:
msg->status = ret;
spi_finalize_current_message(master);
spi_finalize_current_message(host);
return ret;
}
......@@ -1293,40 +1293,40 @@ MODULE_DEVICE_TABLE(of, tegra_spi_of_match);
static int tegra_spi_probe(struct platform_device *pdev)
{
struct spi_master *master;
struct spi_controller *host;
struct tegra_spi_data *tspi;
struct resource *r;
int ret, spi_irq;
int bus_num;
master = spi_alloc_master(&pdev->dev, sizeof(*tspi));
if (!master) {
dev_err(&pdev->dev, "master allocation failed\n");
host = spi_alloc_host(&pdev->dev, sizeof(*tspi));
if (!host) {
dev_err(&pdev->dev, "host allocation failed\n");
return -ENOMEM;
}
platform_set_drvdata(pdev, master);
tspi = spi_master_get_devdata(master);
platform_set_drvdata(pdev, host);
tspi = spi_controller_get_devdata(host);
if (of_property_read_u32(pdev->dev.of_node, "spi-max-frequency",
&master->max_speed_hz))
master->max_speed_hz = 25000000; /* 25MHz */
&host->max_speed_hz))
host->max_speed_hz = 25000000; /* 25MHz */
/* the spi->mode bits understood by this driver: */
master->use_gpio_descriptors = true;
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST |
SPI_TX_DUAL | SPI_RX_DUAL | SPI_3WIRE;
master->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
master->setup = tegra_spi_setup;
master->cleanup = tegra_spi_cleanup;
master->transfer_one_message = tegra_spi_transfer_one_message;
master->set_cs_timing = tegra_spi_set_hw_cs_timing;
master->num_chipselect = MAX_CHIP_SELECT;
master->auto_runtime_pm = true;
host->use_gpio_descriptors = true;
host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST |
SPI_TX_DUAL | SPI_RX_DUAL | SPI_3WIRE;
host->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
host->setup = tegra_spi_setup;
host->cleanup = tegra_spi_cleanup;
host->transfer_one_message = tegra_spi_transfer_one_message;
host->set_cs_timing = tegra_spi_set_hw_cs_timing;
host->num_chipselect = MAX_CHIP_SELECT;
host->auto_runtime_pm = true;
bus_num = of_alias_get_id(pdev->dev.of_node, "spi");
if (bus_num >= 0)
master->bus_num = bus_num;
host->bus_num = bus_num;
tspi->master = master;
tspi->host = host;
tspi->dev = &pdev->dev;
spin_lock_init(&tspi->lock);
......@@ -1334,20 +1334,20 @@ static int tegra_spi_probe(struct platform_device *pdev)
if (!tspi->soc_data) {
dev_err(&pdev->dev, "unsupported tegra\n");
ret = -ENODEV;
goto exit_free_master;
goto exit_free_host;
}
tspi->base = devm_platform_get_and_ioremap_resource(pdev, 0, &r);
if (IS_ERR(tspi->base)) {
ret = PTR_ERR(tspi->base);
goto exit_free_master;
goto exit_free_host;
}
tspi->phys = r->start;
spi_irq = platform_get_irq(pdev, 0);
if (spi_irq < 0) {
ret = spi_irq;
goto exit_free_master;
goto exit_free_host;
}
tspi->irq = spi_irq;
......@@ -1355,14 +1355,14 @@ static int tegra_spi_probe(struct platform_device *pdev)
if (IS_ERR(tspi->clk)) {
dev_err(&pdev->dev, "can not get clock\n");
ret = PTR_ERR(tspi->clk);
goto exit_free_master;
goto exit_free_host;
}
tspi->rst = devm_reset_control_get_exclusive(&pdev->dev, "spi");
if (IS_ERR(tspi->rst)) {
dev_err(&pdev->dev, "can not get reset\n");
ret = PTR_ERR(tspi->rst);
goto exit_free_master;
goto exit_free_host;
}
tspi->max_buf_size = SPI_FIFO_DEPTH << 2;
......@@ -1370,7 +1370,7 @@ static int tegra_spi_probe(struct platform_device *pdev)
ret = tegra_spi_init_dma_param(tspi, true);
if (ret < 0)
goto exit_free_master;
goto exit_free_host;
ret = tegra_spi_init_dma_param(tspi, false);
if (ret < 0)
goto exit_rx_dma_free;
......@@ -1401,7 +1401,7 @@ static int tegra_spi_probe(struct platform_device *pdev)
tspi->spi_cs_timing1 = tegra_spi_readl(tspi, SPI_CS_TIMING1);
tspi->spi_cs_timing2 = tegra_spi_readl(tspi, SPI_CS_TIMING2);
tspi->def_command2_reg = tegra_spi_readl(tspi, SPI_COMMAND2);
tspi->last_used_cs = master->num_chipselect + 1;
tspi->last_used_cs = host->num_chipselect + 1;
pm_runtime_put(&pdev->dev);
ret = request_threaded_irq(tspi->irq, tegra_spi_isr,
tegra_spi_isr_thread, IRQF_ONESHOT,
......@@ -1412,10 +1412,10 @@ static int tegra_spi_probe(struct platform_device *pdev)
goto exit_pm_disable;
}
master->dev.of_node = pdev->dev.of_node;
ret = devm_spi_register_master(&pdev->dev, master);
host->dev.of_node = pdev->dev.of_node;
ret = devm_spi_register_controller(&pdev->dev, host);
if (ret < 0) {
dev_err(&pdev->dev, "can not register to master err %d\n", ret);
dev_err(&pdev->dev, "can not register to host err %d\n", ret);
goto exit_free_irq;
}
return ret;
......@@ -1429,15 +1429,15 @@ static int tegra_spi_probe(struct platform_device *pdev)
tegra_spi_deinit_dma_param(tspi, false);
exit_rx_dma_free:
tegra_spi_deinit_dma_param(tspi, true);
exit_free_master:
spi_master_put(master);
exit_free_host:
spi_controller_put(host);
return ret;
}
static void tegra_spi_remove(struct platform_device *pdev)
{
struct spi_master *master = platform_get_drvdata(pdev);
struct tegra_spi_data *tspi = spi_master_get_devdata(master);
struct spi_controller *host = platform_get_drvdata(pdev);
struct tegra_spi_data *tspi = spi_controller_get_devdata(host);
free_irq(tspi->irq, tspi);
......@@ -1455,15 +1455,15 @@ static void tegra_spi_remove(struct platform_device *pdev)
#ifdef CONFIG_PM_SLEEP
static int tegra_spi_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct spi_controller *host = dev_get_drvdata(dev);
return spi_master_suspend(master);
return spi_controller_suspend(host);
}
static int tegra_spi_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct tegra_spi_data *tspi = spi_master_get_devdata(master);
struct spi_controller *host = dev_get_drvdata(dev);
struct tegra_spi_data *tspi = spi_controller_get_devdata(host);
int ret;
ret = pm_runtime_resume_and_get(dev);
......@@ -1473,17 +1473,17 @@ static int tegra_spi_resume(struct device *dev)
}
tegra_spi_writel(tspi, tspi->command1_reg, SPI_COMMAND1);
tegra_spi_writel(tspi, tspi->def_command2_reg, SPI_COMMAND2);
tspi->last_used_cs = master->num_chipselect + 1;
tspi->last_used_cs = host->num_chipselect + 1;
pm_runtime_put(dev);
return spi_master_resume(master);
return spi_controller_resume(host);
}
#endif
static int tegra_spi_runtime_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct tegra_spi_data *tspi = spi_master_get_devdata(master);
struct spi_controller *host = dev_get_drvdata(dev);
struct tegra_spi_data *tspi = spi_controller_get_devdata(host);
/* Flush all write which are in PPSB queue by reading back */
tegra_spi_readl(tspi, SPI_COMMAND1);
......@@ -1494,8 +1494,8 @@ static int tegra_spi_runtime_suspend(struct device *dev)
static int tegra_spi_runtime_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct tegra_spi_data *tspi = spi_master_get_devdata(master);
struct spi_controller *host = dev_get_drvdata(dev);
struct tegra_spi_data *tspi = spi_controller_get_devdata(host);
int ret;
ret = clk_prepare_enable(tspi->clk);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7