Commit a2b8191a authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Uwe Kleine-König
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pwm: stmpe: Allow to compile as a module 



pwm-stmpe is the only driver that cannot be built as a module. Add the
necessary boilerplate to also make this driver modular.

Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20250215143723.636591-2-u.kleine-koenig@baylibre.com


Signed-off-by: default avatarUwe Kleine-König <ukleinek@kernel.org>
parent 4b31eb55

drivers/pwm/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -646,7 +646,7 @@ config PWM_STM32_LP 
	  will be called pwm-stm32-lp.



config PWM_STMPE

	bool "STMPE expander PWM export"

	tristate "STMPE expander PWM export"

	depends on MFD_STMPE

	help

	  This enables support for the PWMs found in the STMPE I/O

drivers/pwm/pwm-stmpe.c

+23 −2
Original line number Diff line number Diff line
@@ -326,12 +326,33 @@ static int __init stmpe_pwm_probe(struct platform_device *pdev) 
		return ret;

	}



	platform_set_drvdata(pdev, chip);



	return 0;

}



static struct platform_driver stmpe_pwm_driver = {

static void __exit stmpe_pwm_remove(struct platform_device *pdev)

{

	struct stmpe *stmpe = dev_get_drvdata(pdev->dev.parent);

	struct pwm_chip *chip = platform_get_drvdata(pdev);



	pwmchip_remove(chip);

	stmpe_disable(stmpe, STMPE_BLOCK_PWM);

}



/*

 * stmpe_pwm_remove() lives in .exit.text. For drivers registered via

 * module_platform_driver_probe() this is ok because they cannot get unbound at

 * runtime. So mark the driver struct with __refdata to prevent modpost

 * triggering a section mismatch warning.

 */

static struct platform_driver stmpe_pwm_driver __refdata = {

	.driver = {

		.name = "stmpe-pwm",

	},

	.remove = __exit_p(stmpe_pwm_remove),

};

builtin_platform_driver_probe(stmpe_pwm_driver, stmpe_pwm_probe);
 
module_platform_driver_probe(stmpe_pwm_driver, stmpe_pwm_probe);



MODULE_DESCRIPTION("STMPE expander PWM");

MODULE_LICENSE("GPL");