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spi: st-ssc4: switch to use modern name

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

No functional changed.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://msgid.link/r/20231128093031.3707034-4-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Yang Yingliang 2023-11-28 17:30:08 +08:00 committed by Mark Brown
parent 8c53784757
commit e6b7e64cb1
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 35 additions and 35 deletions
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70
drivers/spi/spi-st-ssc4.c
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@ -6,7 +6,7 @@
* Patrice Chotard <patrice.chotard@st.com>
* Lee Jones <lee.jones@linaro.org>
*
* SPI master mode controller driver, used in STMicroelectronics devices.
* SPI host mode controller driver, used in STMicroelectronics devices.
*/
#include <linux/clk.h>
@ -115,10 +115,10 @@ static void ssc_read_rx_fifo(struct spi_st *spi_st)
spi_st->words_remaining -= count;
}
static int spi_st_transfer_one(struct spi_master *master,
static int spi_st_transfer_one(struct spi_controller *host,
struct spi_device *spi, struct spi_transfer *t)
{
struct spi_st *spi_st = spi_master_get_devdata(master);
struct spi_st *spi_st = spi_controller_get_devdata(host);
uint32_t ctl = 0;
/* Setup transfer */
@ -165,7 +165,7 @@ static int spi_st_transfer_one(struct spi_master *master,
if (ctl)
writel_relaxed(ctl, spi_st->base + SSC_CTL);
spi_finalize_current_transfer(spi->master);
spi_finalize_current_transfer(spi->controller);
return t->len;
}
@ -174,7 +174,7 @@ static int spi_st_transfer_one(struct spi_master *master,
#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST | SPI_LOOP | SPI_CS_HIGH)
static int spi_st_setup(struct spi_device *spi)
{
struct spi_st *spi_st = spi_master_get_devdata(spi->master);
struct spi_st *spi_st = spi_controller_get_devdata(spi->controller);
u32 spi_st_clk, sscbrg, var;
u32 hz = spi->max_speed_hz;
@ -274,35 +274,35 @@ static irqreturn_t spi_st_irq(int irq, void *dev_id)
static int spi_st_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct spi_master *master;
struct spi_controller *host;
struct spi_st *spi_st;
int irq, ret = 0;
u32 var;
master = spi_alloc_master(&pdev->dev, sizeof(*spi_st));
if (!master)
host = spi_alloc_host(&pdev->dev, sizeof(*spi_st));
if (!host)
return -ENOMEM;
master->dev.of_node = np;
master->mode_bits = MODEBITS;
master->setup = spi_st_setup;
master->transfer_one = spi_st_transfer_one;
master->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16);
master->auto_runtime_pm = true;
master->bus_num = pdev->id;
master->use_gpio_descriptors = true;
spi_st = spi_master_get_devdata(master);
host->dev.of_node = np;
host->mode_bits = MODEBITS;
host->setup = spi_st_setup;
host->transfer_one = spi_st_transfer_one;
host->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16);
host->auto_runtime_pm = true;
host->bus_num = pdev->id;
host->use_gpio_descriptors = true;
spi_st = spi_controller_get_devdata(host);
spi_st->clk = devm_clk_get(&pdev->dev, "ssc");
if (IS_ERR(spi_st->clk)) {
dev_err(&pdev->dev, "Unable to request clock\n");
ret = PTR_ERR(spi_st->clk);
goto put_master;
goto put_host;
}
ret = clk_prepare_enable(spi_st->clk);
if (ret)
goto put_master;
goto put_host;
init_completion(&spi_st->done);
@ -324,7 +324,7 @@ static int spi_st_probe(struct platform_device *pdev)
var &= ~SSC_CTL_SR;
writel_relaxed(var, spi_st->base + SSC_CTL);
/* Set SSC into slave mode before reconfiguring PIO pins */
/* Set SSC into target mode before reconfiguring PIO pins */
var = readl_relaxed(spi_st->base + SSC_CTL);
var &= ~SSC_CTL_MS;
writel_relaxed(var, spi_st->base + SSC_CTL);
@ -347,11 +347,11 @@ static int spi_st_probe(struct platform_device *pdev)
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
platform_set_drvdata(pdev, master);
platform_set_drvdata(pdev, host);
ret = devm_spi_register_master(&pdev->dev, master);
ret = devm_spi_register_controller(&pdev->dev, host);
if (ret) {
dev_err(&pdev->dev, "Failed to register master\n");
dev_err(&pdev->dev, "Failed to register host\n");
goto rpm_disable;
}
@ -361,15 +361,15 @@ rpm_disable:
pm_runtime_disable(&pdev->dev);
clk_disable:
clk_disable_unprepare(spi_st->clk);
put_master:
spi_master_put(master);
put_host:
spi_controller_put(host);
return ret;
}
static void spi_st_remove(struct platform_device *pdev)
{
struct spi_master *master = platform_get_drvdata(pdev);
struct spi_st *spi_st = spi_master_get_devdata(master);
struct spi_controller *host = platform_get_drvdata(pdev);
struct spi_st *spi_st = spi_controller_get_devdata(host);
pm_runtime_disable(&pdev->dev);
@ -381,8 +381,8 @@ static void spi_st_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
static int spi_st_runtime_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct spi_st *spi_st = spi_master_get_devdata(master);
struct spi_controller *host = dev_get_drvdata(dev);
struct spi_st *spi_st = spi_controller_get_devdata(host);
writel_relaxed(0, spi_st->base + SSC_IEN);
pinctrl_pm_select_sleep_state(dev);
@ -394,8 +394,8 @@ static int spi_st_runtime_suspend(struct device *dev)
static int spi_st_runtime_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct spi_st *spi_st = spi_master_get_devdata(master);
struct spi_controller *host = dev_get_drvdata(dev);
struct spi_st *spi_st = spi_controller_get_devdata(host);
int ret;
ret = clk_prepare_enable(spi_st->clk);
@ -408,10 +408,10 @@ static int spi_st_runtime_resume(struct device *dev)
#ifdef CONFIG_PM_SLEEP
static int spi_st_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct spi_controller *host = dev_get_drvdata(dev);
int ret;
ret = spi_master_suspend(master);
ret = spi_controller_suspend(host);
if (ret)
return ret;
@ -420,10 +420,10 @@ static int spi_st_suspend(struct device *dev)
static int spi_st_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct spi_controller *host = dev_get_drvdata(dev);
int ret;
ret = spi_master_resume(master);
ret = spi_controller_resume(host);
if (ret)
return ret;