rtc: ds1347: simplify getting .driver_data

Get 'driver_data' from 'struct device' directly. Going via spi_device is an
unnecessary step.

Link: https://lore.kernel.org/r/20191007134724.15505-4-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2019-10-07 15:47:18 +02:00
parent 1d84eca6d5
commit ff7f9e0533

View File

@ -43,13 +43,10 @@ static const struct regmap_access_table ds1347_access_table = {
static int ds1347_read_time(struct device *dev, struct rtc_time *dt)
{
struct spi_device *spi = to_spi_device(dev);
struct regmap *map;
struct regmap *map = dev_get_drvdata(dev);
int err;
unsigned char buf[8];
map = spi_get_drvdata(spi);
err = regmap_bulk_read(map, DS1347_CLOCK_BURST, buf, 8);
if (err)
return err;
@ -67,12 +64,9 @@ static int ds1347_read_time(struct device *dev, struct rtc_time *dt)
static int ds1347_set_time(struct device *dev, struct rtc_time *dt)
{
struct spi_device *spi = to_spi_device(dev);
struct regmap *map;
struct regmap *map = dev_get_drvdata(dev);
unsigned char buf[8];
map = spi_get_drvdata(spi);
buf[0] = bin2bcd(dt->tm_sec);
buf[1] = bin2bcd(dt->tm_min);
buf[2] = (bin2bcd(dt->tm_hour) & 0x3F);