diff options
Diffstat (limited to 'drivers/soc/aspeed/aspeed-lpc-ctrl.c')
| -rw-r--r-- | drivers/soc/aspeed/aspeed-lpc-ctrl.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/drivers/soc/aspeed/aspeed-lpc-ctrl.c b/drivers/soc/aspeed/aspeed-lpc-ctrl.c index 258894ed234b..b7dbb12bd095 100644 --- a/drivers/soc/aspeed/aspeed-lpc-ctrl.c +++ b/drivers/soc/aspeed/aspeed-lpc-ctrl.c @@ -10,6 +10,7 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/of_address.h> +#include <linux/of_reserved_mem.h> #include <linux/platform_device.h> #include <linux/poll.h> #include <linux/regmap.h> @@ -254,17 +255,8 @@ static int aspeed_lpc_ctrl_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, lpc_ctrl); /* If memory-region is described in device tree then store */ - node = of_parse_phandle(dev->of_node, "memory-region", 0); - if (!node) { - dev_dbg(dev, "Didn't find reserved memory\n"); - } else { - rc = of_address_to_resource(node, 0, &resm); - of_node_put(node); - if (rc) { - dev_err(dev, "Couldn't address to resource for reserved memory\n"); - return -ENXIO; - } - + rc = of_reserved_mem_region_to_resource(dev->of_node, 0, &resm); + if (!rc) { lpc_ctrl->mem_size = resource_size(&resm); lpc_ctrl->mem_base = resm.start; @@ -332,14 +324,12 @@ err: return rc; } -static int aspeed_lpc_ctrl_remove(struct platform_device *pdev) +static void aspeed_lpc_ctrl_remove(struct platform_device *pdev) { struct aspeed_lpc_ctrl *lpc_ctrl = dev_get_drvdata(&pdev->dev); misc_deregister(&lpc_ctrl->miscdev); clk_disable_unprepare(lpc_ctrl->clk); - - return 0; } static const struct of_device_id aspeed_lpc_ctrl_match[] = { |