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path: root/drivers/spi/spi-orion.c
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Diffstat (limited to 'drivers/spi/spi-orion.c')
-rw-r--r--drivers/spi/spi-orion.c91
1 files changed, 45 insertions, 46 deletions
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index ad9e83e34297..1f10f5c8e34d 100644
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -16,7 +16,6 @@
#include <linux/pm_runtime.h>
#include <linux/of.h>
#include <linux/of_address.h>
-#include <linux/of_device.h>
#include <linux/clk.h>
#include <linux/sizes.h>
#include <asm/unaligned.h>
@@ -91,7 +90,7 @@ struct orion_child_options {
};
struct orion_spi {
- struct spi_master *master;
+ struct spi_controller *host;
void __iomem *base;
struct clk *clk;
struct clk *axi_clk;
@@ -142,7 +141,7 @@ static int orion_spi_baudrate_set(struct spi_device *spi, unsigned int speed)
struct orion_spi *orion_spi;
const struct orion_spi_dev *devdata;
- orion_spi = spi_master_get_devdata(spi->master);
+ orion_spi = spi_controller_get_devdata(spi->controller);
devdata = orion_spi->devdata;
tclk_hz = clk_get_rate(orion_spi->clk);
@@ -236,7 +235,7 @@ orion_spi_mode_set(struct spi_device *spi)
u32 reg;
struct orion_spi *orion_spi;
- orion_spi = spi_master_get_devdata(spi->master);
+ orion_spi = spi_controller_get_devdata(spi->controller);
reg = readl(spi_reg(orion_spi, ORION_SPI_IF_CONFIG_REG));
reg &= ~ORION_SPI_MODE_MASK;
@@ -258,7 +257,7 @@ orion_spi_50mhz_ac_timing_erratum(struct spi_device *spi, unsigned int speed)
u32 reg;
struct orion_spi *orion_spi;
- orion_spi = spi_master_get_devdata(spi->master);
+ orion_spi = spi_controller_get_devdata(spi->controller);
/*
* Erratum description: (Erratum NO. FE-9144572) The device
@@ -298,7 +297,7 @@ orion_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
unsigned int bits_per_word = spi->bits_per_word;
int rc;
- orion_spi = spi_master_get_devdata(spi->master);
+ orion_spi = spi_controller_get_devdata(spi->controller);
if ((t != NULL) && t->speed_hz)
speed = t->speed_hz;
@@ -331,7 +330,7 @@ static void orion_spi_set_cs(struct spi_device *spi, bool enable)
void __iomem *ctrl_reg;
u32 val;
- orion_spi = spi_master_get_devdata(spi->master);
+ orion_spi = spi_controller_get_devdata(spi->controller);
ctrl_reg = spi_reg(orion_spi, ORION_SPI_IF_CTRL_REG);
val = readl(ctrl_reg);
@@ -389,7 +388,7 @@ orion_spi_write_read_8bit(struct spi_device *spi,
cs_single_byte = spi->mode & SPI_CS_WORD;
- orion_spi = spi_master_get_devdata(spi->master);
+ orion_spi = spi_controller_get_devdata(spi->controller);
if (cs_single_byte)
orion_spi_set_cs(spi, 0);
@@ -440,7 +439,7 @@ orion_spi_write_read_16bit(struct spi_device *spi,
return -1;
}
- orion_spi = spi_master_get_devdata(spi->master);
+ orion_spi = spi_controller_get_devdata(spi->controller);
tx_reg = spi_reg(orion_spi, ORION_SPI_DATA_OUT_REG);
rx_reg = spi_reg(orion_spi, ORION_SPI_DATA_IN_REG);
int_reg = spi_reg(orion_spi, ORION_SPI_INT_CAUSE_REG);
@@ -476,7 +475,7 @@ orion_spi_write_read(struct spi_device *spi, struct spi_transfer *xfer)
word_len = spi->bits_per_word;
count = xfer->len;
- orion_spi = spi_master_get_devdata(spi->master);
+ orion_spi = spi_controller_get_devdata(spi->controller);
/*
* Use SPI direct write mode if base address is available
@@ -529,7 +528,7 @@ out:
return xfer->len - count;
}
-static int orion_spi_transfer_one(struct spi_master *master,
+static int orion_spi_transfer_one(struct spi_controller *host,
struct spi_device *spi,
struct spi_transfer *t)
{
@@ -549,7 +548,7 @@ static int orion_spi_setup(struct spi_device *spi)
{
int ret;
#ifdef CONFIG_PM
- struct orion_spi *orion_spi = spi_master_get_devdata(spi->master);
+ struct orion_spi *orion_spi = spi_controller_get_devdata(spi->controller);
struct device *dev = orion_spi->dev;
orion_spi_runtime_resume(dev);
@@ -645,44 +644,44 @@ MODULE_DEVICE_TABLE(of, orion_spi_of_match_table);
static int orion_spi_probe(struct platform_device *pdev)
{
const struct orion_spi_dev *devdata;
- struct spi_master *master;
+ struct spi_controller *host;
struct orion_spi *spi;
struct resource *r;
unsigned long tclk_hz;
int status = 0;
struct device_node *np;
- master = spi_alloc_master(&pdev->dev, sizeof(*spi));
- if (master == NULL) {
- dev_dbg(&pdev->dev, "master allocation failed\n");
+ host = spi_alloc_host(&pdev->dev, sizeof(*spi));
+ if (host == NULL) {
+ dev_dbg(&pdev->dev, "host allocation failed\n");
return -ENOMEM;
}
if (pdev->id != -1)
- master->bus_num = pdev->id;
+ host->bus_num = pdev->id;
if (pdev->dev.of_node) {
u32 cell_index;
if (!of_property_read_u32(pdev->dev.of_node, "cell-index",
&cell_index))
- master->bus_num = cell_index;
+ host->bus_num = cell_index;
}
/* we support all 4 SPI modes and LSB first option */
- master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST | SPI_CS_WORD;
- master->set_cs = orion_spi_set_cs;
- master->transfer_one = orion_spi_transfer_one;
- master->num_chipselect = ORION_NUM_CHIPSELECTS;
- master->setup = orion_spi_setup;
- master->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16);
- master->auto_runtime_pm = true;
- master->use_gpio_descriptors = true;
- master->flags = SPI_MASTER_GPIO_SS;
-
- platform_set_drvdata(pdev, master);
-
- spi = spi_master_get_devdata(master);
- spi->master = master;
+ host->mode_bits = SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST | SPI_CS_WORD;
+ host->set_cs = orion_spi_set_cs;
+ host->transfer_one = orion_spi_transfer_one;
+ host->num_chipselect = ORION_NUM_CHIPSELECTS;
+ host->setup = orion_spi_setup;
+ host->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16);
+ host->auto_runtime_pm = true;
+ host->use_gpio_descriptors = true;
+ host->flags = SPI_CONTROLLER_GPIO_SS;
+
+ platform_set_drvdata(pdev, host);
+
+ spi = spi_controller_get_devdata(host);
+ spi->host = host;
spi->dev = &pdev->dev;
devdata = device_get_match_data(&pdev->dev);
@@ -719,14 +718,14 @@ static int orion_spi_probe(struct platform_device *pdev)
*/
if (of_device_is_compatible(pdev->dev.of_node,
"marvell,armada-370-spi"))
- master->max_speed_hz = min(devdata->max_hz,
+ host->max_speed_hz = min(devdata->max_hz,
DIV_ROUND_UP(tclk_hz, devdata->min_divisor));
else if (devdata->min_divisor)
- master->max_speed_hz =
+ host->max_speed_hz =
DIV_ROUND_UP(tclk_hz, devdata->min_divisor);
else
- master->max_speed_hz = devdata->max_hz;
- master->min_speed_hz = DIV_ROUND_UP(tclk_hz, devdata->max_divisor);
+ host->max_speed_hz = devdata->max_hz;
+ host->min_speed_hz = DIV_ROUND_UP(tclk_hz, devdata->max_divisor);
spi->base = devm_platform_get_and_ioremap_resource(pdev, 0, &r);
if (IS_ERR(spi->base)) {
@@ -785,8 +784,8 @@ static int orion_spi_probe(struct platform_device *pdev)
if (status < 0)
goto out_rel_pm;
- master->dev.of_node = pdev->dev.of_node;
- status = spi_register_master(master);
+ host->dev.of_node = pdev->dev.of_node;
+ status = spi_register_controller(host);
if (status < 0)
goto out_rel_pm;
@@ -799,21 +798,21 @@ out_rel_axi_clk:
out_rel_clk:
clk_disable_unprepare(spi->clk);
out:
- spi_master_put(master);
+ spi_controller_put(host);
return status;
}
static void orion_spi_remove(struct platform_device *pdev)
{
- struct spi_master *master = platform_get_drvdata(pdev);
- struct orion_spi *spi = spi_master_get_devdata(master);
+ struct spi_controller *host = platform_get_drvdata(pdev);
+ struct orion_spi *spi = spi_controller_get_devdata(host);
pm_runtime_get_sync(&pdev->dev);
clk_disable_unprepare(spi->axi_clk);
clk_disable_unprepare(spi->clk);
- spi_unregister_master(master);
+ spi_unregister_controller(host);
pm_runtime_disable(&pdev->dev);
}
@@ -822,8 +821,8 @@ MODULE_ALIAS("platform:" DRIVER_NAME);
#ifdef CONFIG_PM
static int orion_spi_runtime_suspend(struct device *dev)
{
- struct spi_master *master = dev_get_drvdata(dev);
- struct orion_spi *spi = spi_master_get_devdata(master);
+ struct spi_controller *host = dev_get_drvdata(dev);
+ struct orion_spi *spi = spi_controller_get_devdata(host);
clk_disable_unprepare(spi->axi_clk);
clk_disable_unprepare(spi->clk);
@@ -832,8 +831,8 @@ static int orion_spi_runtime_suspend(struct device *dev)
static int orion_spi_runtime_resume(struct device *dev)
{
- struct spi_master *master = dev_get_drvdata(dev);
- struct orion_spi *spi = spi_master_get_devdata(master);
+ struct spi_controller *host = dev_get_drvdata(dev);
+ struct orion_spi *spi = spi_controller_get_devdata(host);
if (!IS_ERR(spi->axi_clk))
clk_prepare_enable(spi->axi_clk);
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-11 22:04:11 +0300