summaryrefslogtreecommitdiff
path: root/drivers/spi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/Kconfig4
-rw-r--r--drivers/spi/spi-altera.c12
-rw-r--r--drivers/spi/spi-nuc900.c13
-rw-r--r--drivers/spi/spi-pl022.c70
-rw-r--r--drivers/spi/spi-s3c64xx.c3
-rw-r--r--drivers/spi/spi.c4
6 files changed, 40 insertions, 66 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 92a9345..89cbbab 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -266,7 +266,7 @@ config SPI_OC_TINY
config SPI_OCTEON
tristate "Cavium OCTEON SPI controller"
- depends on CPU_CAVIUM_OCTEON
+ depends on CAVIUM_OCTEON_SOC
help
SPI host driver for the hardware found on some Cavium OCTEON
SOCs.
@@ -404,7 +404,7 @@ config SPI_SH_HSPI
config SPI_SIRF
tristate "CSR SiRFprimaII SPI controller"
- depends on ARCH_PRIMA2
+ depends on ARCH_SIRF
select SPI_BITBANG
help
SPI driver for CSR SiRFprimaII SoCs
diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index 8a6bb37..81b9adb 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -103,6 +103,16 @@ static void altera_spi_chipsel(struct spi_device *spi, int value)
}
}
+static int altera_spi_setupxfer(struct spi_device *spi, struct spi_transfer *t)
+{
+ return 0;
+}
+
+static int altera_spi_setup(struct spi_device *spi)
+{
+ return 0;
+}
+
static inline unsigned int hw_txbyte(struct altera_spi *hw, int count)
{
if (hw->tx) {
@@ -221,6 +231,7 @@ static int altera_spi_probe(struct platform_device *pdev)
master->bus_num = pdev->id;
master->num_chipselect = 16;
master->mode_bits = SPI_CS_HIGH;
+ master->setup = altera_spi_setup;
hw = spi_master_get_devdata(master);
platform_set_drvdata(pdev, hw);
@@ -229,6 +240,7 @@ static int altera_spi_probe(struct platform_device *pdev)
hw->bitbang.master = spi_master_get(master);
if (!hw->bitbang.master)
return err;
+ hw->bitbang.setup_transfer = altera_spi_setupxfer;
hw->bitbang.chipselect = altera_spi_chipsel;
hw->bitbang.txrx_bufs = altera_spi_txrx;
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index 2ad3d74..150d854 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -174,6 +174,17 @@ static void nuc900_spi_gobusy(struct nuc900_spi *hw)
spin_unlock_irqrestore(&hw->lock, flags);
}
+static int nuc900_spi_setupxfer(struct spi_device *spi,
+ struct spi_transfer *t)
+{
+ return 0;
+}
+
+static int nuc900_spi_setup(struct spi_device *spi)
+{
+ return 0;
+}
+
static inline unsigned int hw_txbyte(struct nuc900_spi *hw, int count)
{
return hw->tx ? hw->tx[count] : 0;
@@ -366,8 +377,10 @@ static int nuc900_spi_probe(struct platform_device *pdev)
master->num_chipselect = hw->pdata->num_cs;
master->bus_num = hw->pdata->bus_num;
hw->bitbang.master = hw->master;
+ hw->bitbang.setup_transfer = nuc900_spi_setupxfer;
hw->bitbang.chipselect = nuc900_spi_chipsel;
hw->bitbang.txrx_bufs = nuc900_spi_txrx;
+ hw->bitbang.master->setup = nuc900_spi_setup;
hw->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (hw->res == NULL) {
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 3b24654..abef061 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -368,11 +368,6 @@ struct pl022 {
resource_size_t phybase;
void __iomem *virtbase;
struct clk *clk;
- /* Two optional pin states - default & sleep */
- struct pinctrl *pinctrl;
- struct pinctrl_state *pins_default;
- struct pinctrl_state *pins_idle;
- struct pinctrl_state *pins_sleep;
struct spi_master *master;
struct pl022_ssp_controller *master_info;
/* Message per-transfer pump */
@@ -2134,32 +2129,7 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id)
pl022->chipselects = devm_kzalloc(dev, num_cs * sizeof(int),
GFP_KERNEL);
- pl022->pinctrl = devm_pinctrl_get(dev);
- if (IS_ERR(pl022->pinctrl)) {
- status = PTR_ERR(pl022->pinctrl);
- goto err_no_pinctrl;
- }
-
- pl022->pins_default = pinctrl_lookup_state(pl022->pinctrl,
- PINCTRL_STATE_DEFAULT);
- /* enable pins to be muxed in and configured */
- if (!IS_ERR(pl022->pins_default)) {
- status = pinctrl_select_state(pl022->pinctrl,
- pl022->pins_default);
- if (status)
- dev_err(dev, "could not set default pins\n");
- } else
- dev_err(dev, "could not get default pinstate\n");
-
- pl022->pins_idle = pinctrl_lookup_state(pl022->pinctrl,
- PINCTRL_STATE_IDLE);
- if (IS_ERR(pl022->pins_idle))
- dev_dbg(dev, "could not get idle pinstate\n");
-
- pl022->pins_sleep = pinctrl_lookup_state(pl022->pinctrl,
- PINCTRL_STATE_SLEEP);
- if (IS_ERR(pl022->pins_sleep))
- dev_dbg(dev, "could not get sleep pinstate\n");
+ pinctrl_pm_select_default_state(dev);
/*
* Bus Number Which has been Assigned to this SSP controller
@@ -2309,7 +2279,6 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id)
amba_release_regions(adev);
err_no_ioregion:
err_no_gpio:
- err_no_pinctrl:
spi_master_put(master);
return status;
}
@@ -2349,44 +2318,21 @@ pl022_remove(struct amba_device *adev)
*/
static void pl022_suspend_resources(struct pl022 *pl022, bool runtime)
{
- int ret;
- struct pinctrl_state *pins_state;
-
clk_disable(pl022->clk);
- pins_state = runtime ? pl022->pins_idle : pl022->pins_sleep;
- /* Optionally let pins go into sleep states */
- if (!IS_ERR(pins_state)) {
- ret = pinctrl_select_state(pl022->pinctrl, pins_state);
- if (ret)
- dev_err(&pl022->adev->dev, "could not set %s pins\n",
- runtime ? "idle" : "sleep");
- }
+ if (runtime)
+ pinctrl_pm_select_idle_state(&pl022->adev->dev);
+ else
+ pinctrl_pm_select_sleep_state(&pl022->adev->dev);
}
static void pl022_resume_resources(struct pl022 *pl022, bool runtime)
{
- int ret;
-
- /* Optionaly enable pins to be muxed in and configured */
/* First go to the default state */
- if (!IS_ERR(pl022->pins_default)) {
- ret = pinctrl_select_state(pl022->pinctrl, pl022->pins_default);
- if (ret)
- dev_err(&pl022->adev->dev,
- "could not set default pins\n");
- }
-
- if (!runtime) {
+ pinctrl_pm_select_default_state(&pl022->adev->dev);
+ if (!runtime)
/* Then let's idle the pins until the next transfer happens */
- if (!IS_ERR(pl022->pins_idle)) {
- ret = pinctrl_select_state(pl022->pinctrl,
- pl022->pins_idle);
- if (ret)
- dev_err(&pl022->adev->dev,
- "could not set idle pins\n");
- }
- }
+ pinctrl_pm_select_idle_state(&pl022->adev->dev);
clk_enable(pl022->clk);
}
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index eb53df2..63e2070 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -434,6 +434,9 @@ static int s3c64xx_spi_prepare_transfer(struct spi_master *spi)
dma_cap_mask_t mask;
int ret;
+ if (is_polling(sdd))
+ return 0;
+
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 32b7bb1..978dda2 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -223,7 +223,7 @@ static const struct dev_pm_ops spi_pm = {
SET_RUNTIME_PM_OPS(
pm_generic_runtime_suspend,
pm_generic_runtime_resume,
- pm_generic_runtime_idle
+ NULL
)
};
@@ -601,7 +601,7 @@ static int spi_init_queue(struct spi_master *master)
init_kthread_worker(&master->kworker);
master->kworker_task = kthread_run(kthread_worker_fn,
- &master->kworker,
+ &master->kworker, "%s",
dev_name(&master->dev));
if (IS_ERR(master->kworker_task)) {
dev_err(&master->dev, "failed to create message pump task\n");
generated by cgit v0.10.2 at 2024-08-08 09:01:33 (GMT)