summaryrefslogtreecommitdiff
path: root/drivers/pwm/pwm-stmpe.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pwm/pwm-stmpe.c')
-rw-r--r--drivers/pwm/pwm-stmpe.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-stmpe.c b/drivers/pwm/pwm-stmpe.c
index bb91062d5f1d..73f12843999a 100644
--- a/drivers/pwm/pwm-stmpe.c
+++ b/drivers/pwm/pwm-stmpe.c
@@ -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");