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Commit 3a11ea66 authored by Vladimir Oltean's avatar Vladimir Oltean Committed by Mark Brown
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spi: spi-fsl-dspi: Replace legacy spi_master names with spi_controller 

This adapts the spi-fsl-dspi driver to the API changes introduced in
commit 8caab75f ("spi: Generalize SPI "master" to "controller"").
Signed-off-by: default avatarVladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20190818180115.31114-10-olteanv@gmail.comSigned-off-by: default avatarMark Brown <broonie@kernel.org>
parent bee44359
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drivers/spi/spi-fsl-dspi.c
View file @ 3a11ea66
......@@ -171,7 +171,7 @@ struct fsl_dspi_dma {
};
struct fsl_dspi {
struct spi_master *master;
struct spi_controller *ctlr;
struct platform_device *pdev;
struct regmap *regmap;
......@@ -219,7 +219,7 @@ static u32 dspi_pop_tx_pushr(struct fsl_dspi *dspi)
{
u16 cmd = dspi->tx_cmd, data = dspi_pop_tx(dspi);
if (spi_controller_is_slave(dspi->master))
if (spi_controller_is_slave(dspi->ctlr))
return data;
if (dspi->len > 0)
......@@ -318,7 +318,7 @@ static int dspi_next_xfer_dma_submit(struct fsl_dspi *dspi)
dma_async_issue_pending(dma->chan_rx);
dma_async_issue_pending(dma->chan_tx);
if (spi_controller_is_slave(dspi->master)) {
if (spi_controller_is_slave(dspi->ctlr)) {
wait_for_completion_interruptible(&dspi->dma->cmd_rx_complete);
return 0;
}
......@@ -647,10 +647,10 @@ static void dspi_eoq_read(struct fsl_dspi *dspi)
dspi_push_rx(dspi, fifo_read(dspi));
}
static int dspi_transfer_one_message(struct spi_master *master,
static int dspi_transfer_one_message(struct spi_controller *ctlr,
struct spi_message *message)
{
struct fsl_dspi *dspi = spi_master_get_devdata(master);
struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
struct spi_device *spi = message->spi;
struct spi_transfer *transfer;
int status = 0;
......@@ -745,7 +745,7 @@ static int dspi_transfer_one_message(struct spi_master *master,
out:
message->status = status;
spi_finalize_current_message(master);
spi_finalize_current_message(ctlr);
return status;
}
......@@ -753,7 +753,7 @@ static int dspi_transfer_one_message(struct spi_master *master,
static int dspi_setup(struct spi_device *spi)
{
struct chip_data *chip;
struct fsl_dspi *dspi = spi_master_get_devdata(spi->master);
struct fsl_dspi *dspi = spi_controller_get_devdata(spi->controller);
struct fsl_dspi_platform_data *pdata;
u32 cs_sck_delay = 0, sck_cs_delay = 0;
unsigned char br = 0, pbr = 0, pcssck = 0, cssck = 0;
......@@ -798,7 +798,7 @@ static int dspi_setup(struct spi_device *spi)
if (spi->mode & SPI_CPHA)
chip->ctar_val |= SPI_CTAR_CPHA;
if (!spi_controller_is_slave(dspi->master)) {
if (!spi_controller_is_slave(dspi->ctlr)) {
chip->ctar_val |= SPI_CTAR_PCSSCK(pcssck) |
SPI_CTAR_CSSCK(cssck) |
SPI_CTAR_PASC(pasc) |
......@@ -820,7 +820,7 @@ static void dspi_cleanup(struct spi_device *spi)
struct chip_data *chip = spi_get_ctldata((struct spi_device *)spi);
dev_dbg(&spi->dev, "spi_device %u.%u cleanup\n",
spi->master->bus_num, spi->chip_select);
spi->controller->bus_num, spi->chip_select);
kfree(chip);
}
......@@ -893,10 +893,10 @@ MODULE_DEVICE_TABLE(of, fsl_dspi_dt_ids);
#ifdef CONFIG_PM_SLEEP
static int dspi_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct fsl_dspi *dspi = spi_master_get_devdata(master);
struct spi_controller *ctlr = dev_get_drvdata(dev);
struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
spi_master_suspend(master);
spi_controller_suspend(ctlr);
clk_disable_unprepare(dspi->clk);
pinctrl_pm_select_sleep_state(dev);
......@@ -906,8 +906,8 @@ static int dspi_suspend(struct device *dev)
static int dspi_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct fsl_dspi *dspi = spi_master_get_devdata(master);
struct spi_controller *ctlr = dev_get_drvdata(dev);
struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
int ret;
pinctrl_pm_select_default_state(dev);
......@@ -915,7 +915,7 @@ static int dspi_resume(struct device *dev)
ret = clk_prepare_enable(dspi->clk);
if (ret)
return ret;
spi_master_resume(master);
spi_controller_resume(ctlr);
return 0;
}
......@@ -977,7 +977,7 @@ static void dspi_init(struct fsl_dspi *dspi)
if (dspi->devtype_data->xspi_mode)
mcr |= SPI_MCR_XSPI;
if (!spi_controller_is_slave(dspi->master))
if (!spi_controller_is_slave(dspi->ctlr))
mcr |= SPI_MCR_MASTER;
regmap_write(dspi->regmap, SPI_MCR, mcr);
......@@ -990,7 +990,7 @@ static void dspi_init(struct fsl_dspi *dspi)
static int dspi_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct spi_master *master;
struct spi_controller *ctlr;
struct fsl_dspi *dspi;
struct resource *res;
const struct regmap_config *regmap_config;
......@@ -998,25 +998,25 @@ static int dspi_probe(struct platform_device *pdev)
struct fsl_dspi_platform_data *pdata;
int ret, cs_num, bus_num;
master = spi_alloc_master(&pdev->dev, sizeof(struct fsl_dspi));
if (!master)
ctlr = spi_alloc_master(&pdev->dev, sizeof(struct fsl_dspi));
if (!ctlr)
return -ENOMEM;
dspi = spi_master_get_devdata(master);
dspi = spi_controller_get_devdata(ctlr);
dspi->pdev = pdev;
dspi->master = master;
dspi->ctlr = ctlr;
master->setup = dspi_setup;
master->transfer_one_message = dspi_transfer_one_message;
master->dev.of_node = pdev->dev.of_node;
ctlr->setup = dspi_setup;
ctlr->transfer_one_message = dspi_transfer_one_message;
ctlr->dev.of_node = pdev->dev.of_node;
master->cleanup = dspi_cleanup;
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
ctlr->cleanup = dspi_cleanup;
ctlr->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
pdata = dev_get_platdata(&pdev->dev);
if (pdata) {
master->num_chipselect = pdata->cs_num;
master->bus_num = pdata->bus_num;
ctlr->num_chipselect = pdata->cs_num;
ctlr->bus_num = pdata->bus_num;
dspi->devtype_data = &coldfire_data;
} else {
......@@ -1024,38 +1024,38 @@ static int dspi_probe(struct platform_device *pdev)
ret = of_property_read_u32(np, "spi-num-chipselects", &cs_num);
if (ret < 0) {
dev_err(&pdev->dev, "can't get spi-num-chipselects\n");
goto out_master_put;
goto out_ctlr_put;
}
master->num_chipselect = cs_num;
ctlr->num_chipselect = cs_num;
ret = of_property_read_u32(np, "bus-num", &bus_num);
if (ret < 0) {
dev_err(&pdev->dev, "can't get bus-num\n");
goto out_master_put;
goto out_ctlr_put;
}
master->bus_num = bus_num;
ctlr->bus_num = bus_num;
if (of_property_read_bool(np, "spi-slave"))
master->slave = true;
ctlr->slave = true;
dspi->devtype_data = of_device_get_match_data(&pdev->dev);
if (!dspi->devtype_data) {
dev_err(&pdev->dev, "can't get devtype_data\n");
ret = -EFAULT;
goto out_master_put;
goto out_ctlr_put;
}
}
if (dspi->devtype_data->xspi_mode)
master->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
ctlr->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
else
master->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 16);
ctlr->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 16);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base)) {
ret = PTR_ERR(base);
goto out_master_put;
goto out_ctlr_put;
}
if (dspi->devtype_data->xspi_mode)
......@@ -1067,7 +1067,7 @@ static int dspi_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to init regmap: %ld\n",
PTR_ERR(dspi->regmap));
ret = PTR_ERR(dspi->regmap);
goto out_master_put;
goto out_ctlr_put;
}
if (dspi->devtype_data->xspi_mode) {
......@@ -1079,7 +1079,7 @@ static int dspi_probe(struct platform_device *pdev)
"failed to init pushr regmap: %ld\n",
PTR_ERR(dspi->regmap_pushr));
ret = PTR_ERR(dspi->regmap_pushr);
goto out_master_put;
goto out_ctlr_put;
}
}
......@@ -1087,11 +1087,11 @@ static int dspi_probe(struct platform_device *pdev)
if (IS_ERR(dspi->clk)) {
ret = PTR_ERR(dspi->clk);
dev_err(&pdev->dev, "unable to get clock\n");
goto out_master_put;
goto out_ctlr_put;
}
ret = clk_prepare_enable(dspi->clk);
if (ret)
goto out_master_put;
goto out_ctlr_put;
dspi_init(dspi);
dspi->irq = platform_get_irq(pdev, 0);
......@@ -1115,15 +1115,15 @@ static int dspi_probe(struct platform_device *pdev)
}
}
master->max_speed_hz =
ctlr->max_speed_hz =
clk_get_rate(dspi->clk) / dspi->devtype_data->max_clock_factor;
init_waitqueue_head(&dspi->waitq);
platform_set_drvdata(pdev, master);
platform_set_drvdata(pdev, ctlr);
ret = spi_register_master(master);
ret = spi_register_controller(ctlr);
if (ret != 0) {
dev_err(&pdev->dev, "Problem registering DSPI master\n");
dev_err(&pdev->dev, "Problem registering DSPI ctlr\n");
goto out_clk_put;
}
......@@ -1131,21 +1131,21 @@ static int dspi_probe(struct platform_device *pdev)
out_clk_put:
clk_disable_unprepare(dspi->clk);
out_master_put:
spi_master_put(master);
out_ctlr_put:
spi_controller_put(ctlr);
return ret;
}
static int dspi_remove(struct platform_device *pdev)
{
struct spi_master *master = platform_get_drvdata(pdev);
struct fsl_dspi *dspi = spi_master_get_devdata(master);
struct spi_controller *ctlr = platform_get_drvdata(pdev);
struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
/* Disconnect from the SPI framework */
dspi_release_dma(dspi);
clk_disable_unprepare(dspi->clk);
spi_unregister_master(dspi->master);
spi_unregister_controller(dspi->ctlr);
return 0;
}
......
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