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Diffstat (limited to 'drivers/firmware/samsung')
| -rw-r--r-- | drivers/firmware/samsung/exynos-acpm.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/firmware/samsung/exynos-acpm.c b/drivers/firmware/samsung/exynos-acpm.c index 19db3674a28f..65949e7fd430 100644 --- a/drivers/firmware/samsung/exynos-acpm.c +++ b/drivers/firmware/samsung/exynos-acpm.c @@ -819,6 +819,29 @@ struct acpm_handle *devm_acpm_get_by_node(struct device *dev, } EXPORT_SYMBOL_GPL(devm_acpm_get_by_node); +/** + * devm_acpm_get_by_phandle - Resource managed lookup of the standardized + * "samsung,acpm-ipc" handle. + * @dev: consumer device + * + * Return: pointer to handle on success, ERR_PTR(-errno) otherwise. + */ +struct acpm_handle *devm_acpm_get_by_phandle(struct device *dev) +{ + struct acpm_handle *handle; + struct device_node *np; + + np = of_parse_phandle(dev->of_node, "samsung,acpm-ipc", 0); + if (!np) + return ERR_PTR(-ENODEV); + + handle = devm_acpm_get_by_node(dev, np); + of_node_put(np); + + return handle; +} +EXPORT_SYMBOL_GPL(devm_acpm_get_by_phandle); + static const struct acpm_match_data acpm_gs101 = { .initdata_base = ACPM_GS101_INITDATA_BASE, .acpm_clk_dev_name = "gs101-acpm-clk", |