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Merge remote-tracking branches 'spi/topic/jcore', 'spi/topic/kconfig', 'spi/topic/orion', 'spi/topic/pxa2xx' and 'spi/topic/rspi' into spi-next

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This commit is contained in:
Mark Brown
2018-04-02 15:56:39 +01:00
parent 70a3550b8c 7c2861a6fb e3d001a0c2 5c22af7eeb 3cc7b0e357 768d59f5d0
commit 8aaeae7e61
7 changed files with 96 additions and 48 deletions
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54
drivers/spi/spi-pxa2xx.c
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@@ -415,10 +415,17 @@ static void cs_deassert(struct driver_data *drv_data)
{
struct chip_data *chip =
spi_get_ctldata(drv_data->master->cur_msg->spi);
unsigned long timeout;
if (drv_data->ssp_type == CE4100_SSP)
return;
/* Wait until SSP becomes idle before deasserting the CS */
timeout = jiffies + msecs_to_jiffies(10);
while (pxa2xx_spi_read(drv_data, SSSR) & SSSR_BSY &&
!time_after(jiffies, timeout))
cpu_relax();
if (chip->cs_control) {
chip->cs_control(PXA2XX_CS_DEASSERT);
return;
@@ -563,7 +570,6 @@ static void giveback(struct driver_data *drv_data)
{
struct spi_transfer* last_transfer;
struct spi_message *msg;
unsigned long timeout;
msg = drv_data->master->cur_msg;
drv_data->cur_transfer = NULL;
@@ -575,12 +581,6 @@ static void giveback(struct driver_data *drv_data)
if (last_transfer->delay_usecs)
udelay(last_transfer->delay_usecs);
/* Wait until SSP becomes idle before deasserting the CS */
timeout = jiffies + msecs_to_jiffies(10);
while (pxa2xx_spi_read(drv_data, SSSR) & SSSR_BSY &&
!time_after(jiffies, timeout))
cpu_relax();
/* Drop chip select UNLESS cs_change is true or we are returning
* a message with an error, or next message is for another chip
*/
@@ -962,7 +962,7 @@ static unsigned int pxa2xx_ssp_get_clk_div(struct driver_data *drv_data,
return clk_div << 8;
}
static bool pxa2xx_spi_can_dma(struct spi_master *master,
static bool pxa2xx_spi_can_dma(struct spi_controller *master,
struct spi_device *spi,
struct spi_transfer *xfer)
{
@@ -976,7 +976,7 @@ static bool pxa2xx_spi_can_dma(struct spi_master *master,
static void pump_transfers(unsigned long data)
{
struct driver_data *drv_data = (struct driver_data *)data;
struct spi_master *master = drv_data->master;
struct spi_controller *master = drv_data->master;
struct spi_message *message = master->cur_msg;
struct chip_data *chip = spi_get_ctldata(message->spi);
u32 dma_thresh = chip->dma_threshold;
@@ -1182,10 +1182,10 @@ static void pump_transfers(unsigned long data)
pxa2xx_spi_write(drv_data, SSCR1, cr1);
}
static int pxa2xx_spi_transfer_one_message(struct spi_master *master,
static int pxa2xx_spi_transfer_one_message(struct spi_controller *master,
struct spi_message *msg)
{
struct driver_data *drv_data = spi_master_get_devdata(master);
struct driver_data *drv_data = spi_controller_get_devdata(master);
/* Initial message state*/
msg->state = START_STATE;
@@ -1198,9 +1198,9 @@ static int pxa2xx_spi_transfer_one_message(struct spi_master *master,
return 0;
}
static int pxa2xx_spi_unprepare_transfer(struct spi_master *master)
static int pxa2xx_spi_unprepare_transfer(struct spi_controller *master)
{
struct driver_data *drv_data = spi_master_get_devdata(master);
struct driver_data *drv_data = spi_controller_get_devdata(master);
/* Disable the SSP now */
pxa2xx_spi_write(drv_data, SSCR0,
@@ -1212,7 +1212,8 @@ static int pxa2xx_spi_unprepare_transfer(struct spi_master *master)
static int setup_cs(struct spi_device *spi, struct chip_data *chip,
struct pxa2xx_spi_chip *chip_info)
{
struct driver_data *drv_data = spi_master_get_devdata(spi->master);
struct driver_data *drv_data =
spi_controller_get_devdata(spi->controller);
struct gpio_desc *gpiod;
int err = 0;
@@ -1270,7 +1271,8 @@ static int setup(struct spi_device *spi)
struct pxa2xx_spi_chip *chip_info;
struct chip_data *chip;
const struct lpss_config *config;
struct driver_data *drv_data = spi_master_get_devdata(spi->master);
struct driver_data *drv_data =
spi_controller_get_devdata(spi->controller);
uint tx_thres, tx_hi_thres, rx_thres;
switch (drv_data->ssp_type) {
@@ -1410,7 +1412,8 @@ static int setup(struct spi_device *spi)
static void cleanup(struct spi_device *spi)
{
struct chip_data *chip = spi_get_ctldata(spi);
struct driver_data *drv_data = spi_master_get_devdata(spi->master);
struct driver_data *drv_data =
spi_controller_get_devdata(spi->controller);
if (!chip)
return;
@@ -1575,9 +1578,10 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
}
#endif
static int pxa2xx_spi_fw_translate_cs(struct spi_master *master, unsigned cs)
static int pxa2xx_spi_fw_translate_cs(struct spi_controller *master,
unsigned int cs)
{
struct driver_data *drv_data = spi_master_get_devdata(master);
struct driver_data *drv_data = spi_controller_get_devdata(master);
if (has_acpi_companion(&drv_data->pdev->dev)) {
switch (drv_data->ssp_type) {
@@ -1602,7 +1606,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct pxa2xx_spi_master *platform_info;
struct spi_master *master;
struct spi_controller *master;
struct driver_data *drv_data;
struct ssp_device *ssp;
const struct lpss_config *config;
@@ -1633,7 +1637,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
pxa_ssp_free(ssp);
return -ENOMEM;
}
drv_data = spi_master_get_devdata(master);
drv_data = spi_controller_get_devdata(master);
drv_data->master = master;
drv_data->master_info = platform_info;
drv_data->pdev = pdev;
@@ -1651,7 +1655,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
master->unprepare_transfer_hardware = pxa2xx_spi_unprepare_transfer;
master->fw_translate_cs = pxa2xx_spi_fw_translate_cs;
master->auto_runtime_pm = true;
master->flags = SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX;
master->flags = SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX;
drv_data->ssp_type = ssp->type;
@@ -1793,7 +1797,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
/* Register with the SPI framework */
platform_set_drvdata(pdev, drv_data);
status = devm_spi_register_master(&pdev->dev, master);
status = devm_spi_register_controller(&pdev->dev, master);
if (status != 0) {
dev_err(&pdev->dev, "problem registering spi master\n");
goto out_error_clock_enabled;
@@ -1809,7 +1813,7 @@ out_error_clock_enabled:
free_irq(ssp->irq, drv_data);
out_error_master_alloc:
spi_master_put(master);
spi_controller_put(master);
pxa_ssp_free(ssp);
return status;
}
@@ -1860,7 +1864,7 @@ static int pxa2xx_spi_suspend(struct device *dev)
struct ssp_device *ssp = drv_data->ssp;
int status;
status = spi_master_suspend(drv_data->master);
status = spi_controller_suspend(drv_data->master);
if (status != 0)
return status;
pxa2xx_spi_write(drv_data, SSCR0, 0);
@@ -1886,7 +1890,7 @@ static int pxa2xx_spi_resume(struct device *dev)
lpss_ssp_setup(drv_data);
/* Start the queue running */
status = spi_master_resume(drv_data->master);
status = spi_controller_resume(drv_data->master);
if (status != 0) {
dev_err(dev, "problem starting queue (%d)\n", status);
return status;