[PATCH v2 05/10] soc: bcm: raspberrypi-power: Release firmware handle on unbind
From: Nicolas Saenz Julienne <hidden>
Date: 2020-10-22 15:59:18
Also in:
linux-arm-kernel, linux-clk, linux-devicetree, linux-gpio, linux-pwm, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Upon unbinding the device make sure we release RPi's firmware interface. Signed-off-by: Nicolas Saenz Julienne <redacted> --- drivers/soc/bcm/raspberrypi-power.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/drivers/soc/bcm/raspberrypi-power.c b/drivers/soc/bcm/raspberrypi-power.c
index 5d1aacdd84ef..a0b38db5886c 100644
--- a/drivers/soc/bcm/raspberrypi-power.c
+++ b/drivers/soc/bcm/raspberrypi-power.c@@ -225,6 +225,20 @@ static int rpi_power_probe(struct platform_device *pdev) return 0; } +static int rpi_power_remove(struct platform_device *pdev) +{ + struct rpi_power_domains *rpi_domains = platform_get_drvdata(pdev); + + of_genpd_del_provider(dev->of_node); + + for (i = 0; i < RPI_POWER_DOMAIN_COUNT; i++) + pm_genpd_remove(&rpi_domains->domains[i].base); + + rpi_firmware_put(rpi_domaina->fw); + + return 0; +} + static const struct of_device_id rpi_power_of_match[] = { { .compatible = "raspberrypi,bcm2835-power", }, {},
@@ -237,6 +251,7 @@ static struct platform_driver rpi_power_driver = { .of_match_table = rpi_power_of_match, }, .probe = rpi_power_probe, + .remove = rpi_power_remove, }; builtin_platform_driver(rpi_power_driver);
--
2.28.0