diff options
Diffstat (limited to 'drivers/staging/iio/resolver')
-rw-r--r-- | drivers/staging/iio/resolver/ad2s1200.c | 28 | ||||
-rw-r--r-- | drivers/staging/iio/resolver/ad2s1210.c | 34 | ||||
-rw-r--r-- | drivers/staging/iio/resolver/ad2s90.c | 16 |
3 files changed, 28 insertions, 50 deletions
diff --git a/drivers/staging/iio/resolver/ad2s1200.c b/drivers/staging/iio/resolver/ad2s1200.c index 7122116..62d3017 100644 --- a/drivers/staging/iio/resolver/ad2s1200.c +++ b/drivers/staging/iio/resolver/ad2s1200.c @@ -107,16 +107,16 @@ static int ad2s1200_probe(struct spi_device *spi) unsigned short *pins = spi->dev.platform_data; for (pn = 0; pn < AD2S1200_PN; pn++) - if (gpio_request_one(pins[pn], GPIOF_DIR_OUT, DRV_NAME)) { - pr_err("%s: request gpio pin %d failed\n", - DRV_NAME, pins[pn]); - goto error_ret; + ret = devm_gpio_request_one(&spi->dev, pins[pn], GPIOF_DIR_OUT, + DRV_NAME); + if (ret) { + dev_err(&spi->dev, "request gpio pin %d failed\n", + pins[pn]); + return ret; } - indio_dev = iio_device_alloc(sizeof(*st)); - if (indio_dev == NULL) { - ret = -ENOMEM; - goto error_ret; - } + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); + if (!indio_dev) + return -ENOMEM; spi_set_drvdata(spi, indio_dev); st = iio_priv(indio_dev); mutex_init(&st->lock); @@ -133,26 +133,18 @@ static int ad2s1200_probe(struct spi_device *spi) ret = iio_device_register(indio_dev); if (ret) - goto error_free_dev; + return ret; spi->max_speed_hz = AD2S1200_HZ; spi->mode = SPI_MODE_3; spi_setup(spi); return 0; - -error_free_dev: - iio_device_free(indio_dev); -error_ret: - for (--pn; pn >= 0; pn--) - gpio_free(pins[pn]); - return ret; } static int ad2s1200_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_device_free(spi_get_drvdata(spi)); return 0; } diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index dcdadbb..6966d5f 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -206,10 +206,10 @@ static ssize_t ad2s1210_store_fclkin(struct device *dev, size_t len) { struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - unsigned long fclkin; + unsigned int fclkin; int ret; - ret = strict_strtoul(buf, 10, &fclkin); + ret = kstrtouint(buf, 10, &fclkin); if (ret) return ret; if (fclkin < AD2S1210_MIN_CLKIN || fclkin > AD2S1210_MAX_CLKIN) { @@ -243,10 +243,10 @@ static ssize_t ad2s1210_store_fexcit(struct device *dev, const char *buf, size_t len) { struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - unsigned long fexcit; + unsigned int fexcit; int ret; - ret = strict_strtoul(buf, 10, &fexcit); + ret = kstrtouint(buf, 10, &fexcit); if (ret < 0) return ret; if (fexcit < AD2S1210_MIN_EXCIT || fexcit > AD2S1210_MAX_EXCIT) { @@ -282,11 +282,11 @@ static ssize_t ad2s1210_store_control(struct device *dev, const char *buf, size_t len) { struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - unsigned long udata; + unsigned char udata; unsigned char data; int ret; - ret = strict_strtoul(buf, 16, &udata); + ret = kstrtou8(buf, 16, &udata); if (ret) return -EINVAL; @@ -337,10 +337,10 @@ static ssize_t ad2s1210_store_resolution(struct device *dev, { struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); unsigned char data; - unsigned long udata; + unsigned char udata; int ret; - ret = strict_strtoul(buf, 10, &udata); + ret = kstrtou8(buf, 10, &udata); if (ret || udata < 10 || udata > 16) { pr_err("ad2s1210: resolution out of range\n"); return -EINVAL; @@ -438,11 +438,11 @@ static ssize_t ad2s1210_store_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); - unsigned long data; + unsigned char data; int ret; struct iio_dev_attr *iattr = to_iio_dev_attr(attr); - ret = strict_strtoul(buf, 10, &data); + ret = kstrtou8(buf, 10, &data); if (ret) return -EINVAL; mutex_lock(&st->lock); @@ -669,16 +669,14 @@ static int ad2s1210_probe(struct spi_device *spi) if (spi->dev.platform_data == NULL) return -EINVAL; - indio_dev = iio_device_alloc(sizeof(*st)); - if (indio_dev == NULL) { - ret = -ENOMEM; - goto error_ret; - } + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); + if (!indio_dev) + return -ENOMEM; st = iio_priv(indio_dev); st->pdata = spi->dev.platform_data; ret = ad2s1210_setup_gpios(st); if (ret < 0) - goto error_free_dev; + return ret; spi_set_drvdata(spi, indio_dev); @@ -709,9 +707,6 @@ static int ad2s1210_probe(struct spi_device *spi) error_free_gpios: ad2s1210_free_gpios(st); -error_free_dev: - iio_device_free(indio_dev); -error_ret: return ret; } @@ -721,7 +716,6 @@ static int ad2s1210_remove(struct spi_device *spi) iio_device_unregister(indio_dev); ad2s1210_free_gpios(iio_priv(indio_dev)); - iio_device_free(indio_dev); return 0; } diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c index 40b8252..e24c589 100644 --- a/drivers/staging/iio/resolver/ad2s90.c +++ b/drivers/staging/iio/resolver/ad2s90.c @@ -64,11 +64,9 @@ static int ad2s90_probe(struct spi_device *spi) struct ad2s90_state *st; int ret = 0; - indio_dev = iio_device_alloc(sizeof(*st)); - if (indio_dev == NULL) { - ret = -ENOMEM; - goto error_ret; - } + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); + if (!indio_dev) + return -ENOMEM; st = iio_priv(indio_dev); spi_set_drvdata(spi, indio_dev); @@ -83,7 +81,7 @@ static int ad2s90_probe(struct spi_device *spi) ret = iio_device_register(indio_dev); if (ret) - goto error_free_dev; + return ret; /* need 600ns between CS and the first falling edge of SCLK */ spi->max_speed_hz = 830000; @@ -91,17 +89,11 @@ static int ad2s90_probe(struct spi_device *spi) spi_setup(spi); return 0; - -error_free_dev: - iio_device_free(indio_dev); -error_ret: - return ret; } static int ad2s90_remove(struct spi_device *spi) { iio_device_unregister(spi_get_drvdata(spi)); - iio_device_free(spi_get_drvdata(spi)); return 0; } |