diff options
Diffstat (limited to 'drivers/sysreset/sysreset_watchdog.c')
| -rw-r--r-- | drivers/sysreset/sysreset_watchdog.c | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/drivers/sysreset/sysreset_watchdog.c b/drivers/sysreset/sysreset_watchdog.c index 0dc2d8b9b65..35efcac59dd 100644 --- a/drivers/sysreset/sysreset_watchdog.c +++ b/drivers/sysreset/sysreset_watchdog.c @@ -5,20 +5,22 @@ #include <common.h> #include <dm.h> +#include <dm/device-internal.h> #include <errno.h> +#include <malloc.h> #include <sysreset.h> #include <wdt.h> -struct wdt_reboot_priv { +struct wdt_reboot_plat { struct udevice *wdt; }; static int wdt_reboot_request(struct udevice *dev, enum sysreset_t type) { - struct wdt_reboot_priv *priv = dev_get_priv(dev); + struct wdt_reboot_plat *plat = dev_get_plat(dev); int ret; - ret = wdt_expire_now(priv->wdt, 0); + ret = wdt_expire_now(plat->wdt, 0); if (ret) return ret; @@ -29,13 +31,13 @@ static struct sysreset_ops wdt_reboot_ops = { .request = wdt_reboot_request, }; -int wdt_reboot_probe(struct udevice *dev) +static int wdt_reboot_of_to_plat(struct udevice *dev) { - struct wdt_reboot_priv *priv = dev_get_priv(dev); + struct wdt_reboot_plat *plat = dev_get_plat(dev); int err; err = uclass_get_device_by_phandle(UCLASS_WDT, dev, - "wdt", &priv->wdt); + "wdt", &plat->wdt); if (err) { pr_err("unable to find wdt device\n"); return err; @@ -53,7 +55,29 @@ U_BOOT_DRIVER(wdt_reboot) = { .name = "wdt_reboot", .id = UCLASS_SYSRESET, .of_match = wdt_reboot_ids, + .of_to_plat = wdt_reboot_of_to_plat, + .plat_auto = sizeof(struct wdt_reboot_plat), .ops = &wdt_reboot_ops, - .priv_auto = sizeof(struct wdt_reboot_priv), - .probe = wdt_reboot_probe, }; + +#if IS_ENABLED(CONFIG_SYSRESET_WATCHDOG_AUTO) +int sysreset_register_wdt(struct udevice *dev) +{ + struct wdt_reboot_plat *plat = malloc(sizeof(*plat)); + int ret; + + if (!plat) + return -ENOMEM; + + plat->wdt = dev; + + ret = device_bind(dev, DM_DRIVER_GET(wdt_reboot), + dev->name, plat, ofnode_null(), NULL); + if (ret) { + free(plat); + return ret; + } + + return 0; +} +#endif |