diff options
| -rw-r--r-- | drivers/mmc/core/core.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index a6ad78c3bb5e..319efdc1ad21 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1204,8 +1204,9 @@ EXPORT_SYMBOL(mmc_vddrange_to_ocrmask); * @np: The device node need to be parsed. * @mask: mask of voltages available for MMC/SD/SDIO * - * 1. Return zero on success. - * 2. Return negative errno: voltage-range is invalid. + * Parse the "voltage-ranges" DT property, returning zero if it is not + * found, negative errno if the voltage-range specification is invalid, + * or one if the voltage-range is specified and successfully parsed. */ int mmc_of_parse_voltage(struct device_node *np, u32 *mask) { @@ -1216,7 +1217,7 @@ int mmc_of_parse_voltage(struct device_node *np, u32 *mask) num_ranges = num_ranges / sizeof(*voltage_ranges) / 2; if (!voltage_ranges) { pr_debug("%s: voltage-ranges unspecified\n", np->full_name); - return -EINVAL; + return 0; } if (!num_ranges) { pr_err("%s: voltage-ranges empty\n", np->full_name); @@ -1238,7 +1239,7 @@ int mmc_of_parse_voltage(struct device_node *np, u32 *mask) *mask |= ocr_mask; } - return 0; + return 1; } EXPORT_SYMBOL(mmc_of_parse_voltage); |