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path: root/drivers/spi/spi-pl022.c
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Diffstat (limited to 'drivers/spi/spi-pl022.c')
-rw-r--r--drivers/spi/spi-pl022.c71
1 files changed, 9 insertions, 62 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 371cc66f1a0e..abef061fb84a 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 */
@@ -2083,6 +2078,7 @@ pl022_platform_data_dt_get(struct device *dev)
}
pd->bus_id = -1;
+ pd->enable_dma = 1;
of_property_read_u32(np, "num-cs", &tmp);
pd->num_chipselect = tmp;
of_property_read_u32(np, "pl022,autosuspend-delay",
@@ -2133,32 +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
@@ -2308,7 +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;
}
@@ -2348,44 +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);
}