Using function mmc_of_parse_voltage() to get voltage-ranges.
Signed-off-by: Haijun Zhang <haijun.zhang@xxxxxxxxxxxxx>
---
changes for V3:
- changes the type of ocr_mask and function mmc_of_parse_voltage
drivers/mmc/host/of_mmc_spi.c | 23 +++--------------------
1 file changed, 3 insertions(+), 20 deletions(-)
diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
index d720b5e..fd1928d 100644
--- a/drivers/mmc/host/of_mmc_spi.c
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -90,8 +90,7 @@ struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi)
struct device *dev = &spi->dev;
struct device_node *np = dev->of_node;
struct of_mmc_spi *oms;
- const u32 *voltage_ranges;
- int num_ranges;
+ u32 ocr_mask;
int i;
int ret = -EINVAL;
@@ -102,26 +101,10 @@ struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi)
if (!oms)
return NULL;
- voltage_ranges = of_get_property(np, "voltage-ranges", &num_ranges);
- num_ranges = num_ranges / sizeof(*voltage_ranges) / 2;
- if (!voltage_ranges || !num_ranges) {
- dev_err(dev, "OF: voltage-ranges unspecified\n");
+ if (mmc_of_parse_voltage(np, &ocr_mask))
goto err_ocr;
- }
-
- for (i = 0; i < num_ranges; i++) {
- const int j = i * 2;
- u32 mask;
- mask = mmc_vddrange_to_ocrmask(be32_to_cpu(voltage_ranges[j]),
- be32_to_cpu(voltage_ranges[j + 1]));
- if (!mask) {
- ret = -EINVAL;
- dev_err(dev, "OF: voltage-range #%d is invalid\n", i);
- goto err_ocr;
- }
- oms->pdata.ocr_mask |= mask;
- }
+ oms->pdata.ocr_mask |= ocr_mask;
for (i = 0; i < ARRAY_SIZE(oms->gpios); i++) {
enum of_gpio_flags gpio_flags;
--
1.8.0
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
