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spi: dw: Convert to generalized SPI controller API

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Convert to generalized SPI controller API introduced by the
commit 8caab75fd2 ("spi: Generalize SPI "master" to "controller"").
Inside driver variable name "master" is still used to indicate the driver
is master only.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jarkko Nikula 2018-02-01 17:17:29 +02:00 committed by Mark Brown
parent 7928b2cbe5
commit 721483e288
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 18 additions and 18 deletions
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6
drivers/spi/spi-dw-mid.c
View File

@ -112,10 +112,10 @@ static irqreturn_t dma_transfer(struct dw_spi *dws)
return IRQ_HANDLED;
}
static bool mid_spi_can_dma(struct spi_master *master, struct spi_device *spi,
struct spi_transfer *xfer)
static bool mid_spi_can_dma(struct spi_controller *master,
struct spi_device *spi, struct spi_transfer *xfer)
{
struct dw_spi *dws = spi_master_get_devdata(master);
struct dw_spi *dws = spi_controller_get_devdata(master);
if (!dws->dma_inited)
return false;

26
drivers/spi/spi-dw.c
View File

@ -135,7 +135,7 @@ static inline void dw_spi_debugfs_remove(struct dw_spi *dws)
static void dw_spi_set_cs(struct spi_device *spi, bool enable)
{
struct dw_spi *dws = spi_master_get_devdata(spi->master);
struct dw_spi *dws = spi_controller_get_devdata(spi->controller);
struct chip_data *chip = spi_get_ctldata(spi);
/* Chip select logic is inverted from spi_set_cs() */
@ -250,8 +250,8 @@ static irqreturn_t interrupt_transfer(struct dw_spi *dws)
static irqreturn_t dw_spi_irq(int irq, void *dev_id)
{
struct spi_master *master = dev_id;
struct dw_spi *dws = spi_master_get_devdata(master);
struct spi_controller *master = dev_id;
struct dw_spi *dws = spi_controller_get_devdata(master);
u16 irq_status = dw_readl(dws, DW_SPI_ISR) & 0x3f;
if (!irq_status)
@ -277,10 +277,10 @@ static int poll_transfer(struct dw_spi *dws)
return 0;
}
static int dw_spi_transfer_one(struct spi_master *master,
static int dw_spi_transfer_one(struct spi_controller *master,
struct spi_device *spi, struct spi_transfer *transfer)
{
struct dw_spi *dws = spi_master_get_devdata(master);
struct dw_spi *dws = spi_controller_get_devdata(master);
struct chip_data *chip = spi_get_ctldata(spi);
u8 imask = 0;
u16 txlevel = 0;
@ -383,10 +383,10 @@ static int dw_spi_transfer_one(struct spi_master *master,
return 1;
}
static void dw_spi_handle_err(struct spi_master *master,
static void dw_spi_handle_err(struct spi_controller *master,
struct spi_message *msg)
{
struct dw_spi *dws = spi_master_get_devdata(master);
struct dw_spi *dws = spi_controller_get_devdata(master);
if (dws->dma_mapped)
dws->dma_ops->dma_stop(dws);
@ -471,7 +471,7 @@ static void spi_hw_init(struct device *dev, struct dw_spi *dws)
int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
{
struct spi_master *master;
struct spi_controller *master;
int ret;
BUG_ON(dws == NULL);
@ -518,8 +518,8 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
}
}
spi_master_set_devdata(master, dws);
ret = devm_spi_register_master(dev, master);
spi_controller_set_devdata(master, dws);
ret = devm_spi_register_controller(dev, master);
if (ret) {
dev_err(&master->dev, "problem registering spi master\n");
goto err_dma_exit;
@ -534,7 +534,7 @@ err_dma_exit:
spi_enable_chip(dws, 0);
free_irq(dws->irq, master);
err_free_master:
spi_master_put(master);
spi_controller_put(master);
return ret;
}
EXPORT_SYMBOL_GPL(dw_spi_add_host);
@ -556,7 +556,7 @@ int dw_spi_suspend_host(struct dw_spi *dws)
{
int ret;
ret = spi_master_suspend(dws->master);
ret = spi_controller_suspend(dws->master);
if (ret)
return ret;
@ -570,7 +570,7 @@ int dw_spi_resume_host(struct dw_spi *dws)
int ret;
spi_hw_init(&dws->master->dev, dws);
ret = spi_master_resume(dws->master);
ret = spi_controller_resume(dws->master);
if (ret)
dev_err(&dws->master->dev, "fail to start queue (%d)\n", ret);
return ret;

4
drivers/spi/spi-dw.h
View File

@ -93,14 +93,14 @@ struct dw_spi_dma_ops {
int (*dma_init)(struct dw_spi *dws);
void (*dma_exit)(struct dw_spi *dws);
int (*dma_setup)(struct dw_spi *dws, struct spi_transfer *xfer);
bool (*can_dma)(struct spi_master *master, struct spi_device *spi,
bool (*can_dma)(struct spi_controller *master, struct spi_device *spi,
struct spi_transfer *xfer);
int (*dma_transfer)(struct dw_spi *dws, struct spi_transfer *xfer);
void (*dma_stop)(struct dw_spi *dws);
};
struct dw_spi {
struct spi_master *master;
struct spi_controller *master;
enum dw_ssi_type type;
void __iomem *regs;