On 10/25/11 09:33, michael.hennerich@xxxxxxxxxx wrote:
> From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
>
> This patch type casts the switch control variable to 32 bits in order to
> prevent a call __ucmpdi2 generated by some versions of gcc.
>
> This fixes an undefined reference to `__ucmpdi2' when compiled for arch/blackfin
Yikes, we'll have to be careful with this one.
>
> Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxx>
> ---
> drivers/staging/iio/adc/ad7192.c | 2 +-
> drivers/staging/iio/adc/ad7280a.c | 6 +++---
> drivers/staging/iio/dds/ad9832.c | 2 +-
> drivers/staging/iio/dds/ad9834.c | 4 ++--
> drivers/staging/iio/impedance-analyzer/ad5933.c | 4 ++--
> 5 files changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
> index 31c376b..d8bf559 100644
> --- a/drivers/staging/iio/adc/ad7192.c
> +++ b/drivers/staging/iio/adc/ad7192.c
> @@ -795,7 +795,7 @@ static ssize_t ad7192_set(struct device *dev,
> return -EBUSY;
> }
>
> - switch (this_attr->address) {
> + switch ((u32) this_attr->address) {
> case AD7192_REG_GPOCON:
> if (val)
> st->gpocon |= AD7192_GPOCON_BPDSW;
> diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
> index 372d059..0c212e0 100644
> --- a/drivers/staging/iio/adc/ad7280a.c
> +++ b/drivers/staging/iio/adc/ad7280a.c
> @@ -600,7 +600,7 @@ static ssize_t ad7280_read_channel_config(struct device *dev,
> struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
> unsigned val;
>
> - switch (this_attr->address) {
> + switch ((u32) this_attr->address) {
> case AD7280A_CELL_OVERVOLTAGE:
> val = 1000 + (st->cell_threshhigh * 1568) / 100;
> break;
> @@ -636,7 +636,7 @@ static ssize_t ad7280_write_channel_config(struct device *dev,
> if (ret)
> return ret;
>
> - switch (this_attr->address) {
> + switch ((u32) this_attr->address) {
> case AD7280A_CELL_OVERVOLTAGE:
> case AD7280A_CELL_UNDERVOLTAGE:
> val = ((val - 1000) * 100) / 1568; /* LSB 15.68mV */
> @@ -652,7 +652,7 @@ static ssize_t ad7280_write_channel_config(struct device *dev,
> val = clamp(val, 0L, 0xFFL);
>
> mutex_lock(&indio_dev->mlock);
> - switch (this_attr->address) {
> + switch ((u32) this_attr->address) {
> case AD7280A_CELL_OVERVOLTAGE:
> st->cell_threshhigh = val;
> break;
> diff --git a/drivers/staging/iio/dds/ad9832.c b/drivers/staging/iio/dds/ad9832.c
> index 0db0b3a..ef0be2c 100644
> --- a/drivers/staging/iio/dds/ad9832.c
> +++ b/drivers/staging/iio/dds/ad9832.c
> @@ -88,7 +88,7 @@ static ssize_t ad9832_write(struct device *dev,
> goto error_ret;
>
> mutex_lock(&indio_dev->mlock);
> - switch (this_attr->address) {
> + switch ((u32) this_attr->address) {
> case AD9832_FREQ0HM:
> case AD9832_FREQ1HM:
> ret = ad9832_write_frequency(st, this_attr->address, val);
> diff --git a/drivers/staging/iio/dds/ad9834.c b/drivers/staging/iio/dds/ad9834.c
> index c468f69..2e29f6f 100644
> --- a/drivers/staging/iio/dds/ad9834.c
> +++ b/drivers/staging/iio/dds/ad9834.c
> @@ -77,7 +77,7 @@ static ssize_t ad9834_write(struct device *dev,
> goto error_ret;
>
> mutex_lock(&indio_dev->mlock);
> - switch (this_attr->address) {
> + switch ((u32) this_attr->address) {
> case AD9834_REG_FREQ0:
> case AD9834_REG_FREQ1:
> ret = ad9834_write_frequency(st, this_attr->address, val);
> @@ -153,7 +153,7 @@ static ssize_t ad9834_store_wavetype(struct device *dev,
>
> mutex_lock(&indio_dev->mlock);
>
> - switch (this_attr->address) {
> + switch ((u32) this_attr->address) {
> case 0:
> if (sysfs_streq(buf, "sine")) {
> st->control &= ~AD9834_MODE;
> diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
> index 1086e0b..ece7707 100644
> --- a/drivers/staging/iio/impedance-analyzer/ad5933.c
> +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
> @@ -329,7 +329,7 @@ static ssize_t ad5933_show(struct device *dev,
> int ret = 0, len = 0;
>
> mutex_lock(&indio_dev->mlock);
> - switch (this_attr->address) {
> + switch ((u32) this_attr->address) {
> case AD5933_OUT_RANGE:
> len = sprintf(buf, "%d\n",
> st->range_avail[(st->ctrl_hb >> 1) & 0x3]);
> @@ -380,7 +380,7 @@ static ssize_t ad5933_store(struct device *dev,
> }
>
> mutex_lock(&indio_dev->mlock);
> - switch (this_attr->address) {
> + switch ((u32) this_attr->address) {
> case AD5933_OUT_RANGE:
> for (i = 0; i < 4; i++)
> if (val == st->range_avail[i]) {
--
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