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spi: at91-usart: drop dead runtime pm support

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Drop the dead runtime PM support which has never been enabled.

Fixes: 96ed3ecde2 ("spi: at91-usart: add power management support")
Cc: Radu Pirea <radu_nicolae.pirea@upb.ro>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260429092005.166128-1-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Johan Hovold
2026-04-29 11:20:05 +02:00
committed by Mark Brown
parent 54dac8230d
commit ae4ccd216d
1 changed files with 8 additions and 31 deletions
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39
drivers/spi/spi-at91-usart.c
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@@ -16,7 +16,6 @@
#include <linux/gpio/consumer.h>
#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/spi/spi.h>
@@ -576,38 +575,18 @@ static int at91_usart_spi_probe(struct platform_device *pdev)
return ret;
}
__maybe_unused static int at91_usart_spi_runtime_suspend(struct device *dev)
{
struct spi_controller *ctlr = dev_get_drvdata(dev);
struct at91_usart_spi *aus = spi_controller_get_devdata(ctlr);
clk_disable_unprepare(aus->clk);
pinctrl_pm_select_sleep_state(dev);
return 0;
}
__maybe_unused static int at91_usart_spi_runtime_resume(struct device *dev)
{
struct spi_controller *ctrl = dev_get_drvdata(dev);
struct at91_usart_spi *aus = spi_controller_get_devdata(ctrl);
pinctrl_pm_select_default_state(dev);
return clk_prepare_enable(aus->clk);
}
__maybe_unused static int at91_usart_spi_suspend(struct device *dev)
{
struct spi_controller *ctrl = dev_get_drvdata(dev);
struct at91_usart_spi *aus = spi_controller_get_devdata(ctrl);
int ret;
ret = spi_controller_suspend(ctrl);
if (ret)
return ret;
if (!pm_runtime_suspended(dev))
at91_usart_spi_runtime_suspend(dev);
clk_disable_unprepare(aus->clk);
pinctrl_pm_select_sleep_state(dev);
return 0;
}
@@ -618,11 +597,11 @@ __maybe_unused static int at91_usart_spi_resume(struct device *dev)
struct at91_usart_spi *aus = spi_controller_get_devdata(ctrl);
int ret;
if (!pm_runtime_suspended(dev)) {
ret = at91_usart_spi_runtime_resume(dev);
if (ret)
return ret;
}
pinctrl_pm_select_default_state(dev);
ret = clk_prepare_enable(aus->clk);
if (ret)
return ret;
at91_usart_spi_init(aus);
@@ -646,8 +625,6 @@ static void at91_usart_spi_remove(struct platform_device *pdev)
static const struct dev_pm_ops at91_usart_spi_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(at91_usart_spi_suspend, at91_usart_spi_resume)
SET_RUNTIME_PM_OPS(at91_usart_spi_runtime_suspend,
at91_usart_spi_runtime_resume, NULL)
};
static struct platform_driver at91_usart_spi_driver = {