at91_adc_probe_dt is now small enough to be merged back in at91_adc_probe.
Signed-off-by: Alexandre Belloni <[email protected]>
---
drivers/iio/adc/at91_adc.c | 118 +++++++++++++++----------------------
1 file changed, 49 insertions(+), 69 deletions(-)
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 83539422b704..9f05eb722f5e 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -833,70 +833,6 @@ static int at91_adc_probe_dt_ts(struct device_node *node,
}
}
-static int at91_adc_probe_dt(struct iio_dev *idev,
- struct platform_device *pdev)
-{
- struct at91_adc_state *st = iio_priv(idev);
- struct device_node *node = pdev->dev.of_node;
- int ret;
- u32 prop;
- char *s;
-
- st->caps = (struct at91_adc_caps *)
- of_match_device(at91_adc_dt_ids, &pdev->dev)->data;
-
- st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers");
-
- if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) {
- dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n");
- ret = -EINVAL;
- goto error_ret;
- }
- st->channels_mask = prop;
-
- st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode");
-
- if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) {
- dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n");
- ret = -EINVAL;
- goto error_ret;
- }
- st->startup_time = prop;
-
- prop = 0;
- of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop);
- st->sample_hold_time = prop;
-
- if (of_property_read_u32(node, "atmel,adc-vref", &prop)) {
- dev_err(&idev->dev, "Missing adc-vref property in the DT.\n");
- ret = -EINVAL;
- goto error_ret;
- }
- st->vref_mv = prop;
-
- st->res = st->caps->high_res_bits;
- if (st->caps->low_res_bits &&
- !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s)
- && !strcmp(s, "lowres"))
- st->res = st->caps->low_res_bits;
-
- dev_info(&idev->dev, "Resolution used: %u bits\n", st->res);
-
- st->registers = &st->caps->registers;
- st->num_channels = st->caps->num_channels;
-
- /* Check if touchscreen is supported. */
- if (st->caps->has_ts)
- return at91_adc_probe_dt_ts(node, st, &idev->dev);
- else
- dev_info(&idev->dev, "not support touchscreen in the adc compatible string.\n");
-
- return 0;
-
-error_ret:
- return ret;
-}
-
static const struct iio_info at91_adc_info = {
.read_raw = &at91_adc_read_raw,
};
@@ -1062,10 +998,12 @@ static void at91_ts_unregister(struct at91_adc_state *st)
static int at91_adc_probe(struct platform_device *pdev)
{
unsigned int prsc, mstrclk, ticks, adc_clk, adc_clk_khz, shtim;
+ struct device_node *node = pdev->dev.of_node;
int ret;
struct iio_dev *idev;
struct at91_adc_state *st;
- u32 reg;
+ u32 reg, prop;
+ char *s;
idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state));
if (!idev)
@@ -1073,9 +1011,52 @@ static int at91_adc_probe(struct platform_device *pdev)
st = iio_priv(idev);
- ret = at91_adc_probe_dt(idev, pdev);
- if (ret)
- return ret;
+ st->caps = (struct at91_adc_caps *)
+ of_match_device(at91_adc_dt_ids, &pdev->dev)->data;
+
+ st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers");
+
+ if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) {
+ dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n");
+ return -EINVAL;
+ }
+ st->channels_mask = prop;
+
+ st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode");
+
+ if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) {
+ dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n");
+ return -EINVAL;
+ }
+ st->startup_time = prop;
+
+ prop = 0;
+ of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop);
+ st->sample_hold_time = prop;
+
+ if (of_property_read_u32(node, "atmel,adc-vref", &prop)) {
+ dev_err(&idev->dev, "Missing adc-vref property in the DT.\n");
+ return -EINVAL;
+ }
+ st->vref_mv = prop;
+
+ st->res = st->caps->high_res_bits;
+ if (st->caps->low_res_bits &&
+ !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s)
+ && !strcmp(s, "lowres"))
+ st->res = st->caps->low_res_bits;
+
+ dev_info(&idev->dev, "Resolution used: %u bits\n", st->res);
+
+ st->registers = &st->caps->registers;
+ st->num_channels = st->caps->num_channels;
+
+ /* Check if touchscreen is supported. */
+ if (st->caps->has_ts) {
+ ret = at91_adc_probe_dt_ts(node, st, &idev->dev);
+ if (ret)
+ return ret;
+ }
platform_set_drvdata(pdev, idev);
@@ -1091,7 +1072,6 @@ static int at91_adc_probe(struct platform_device *pdev)
if (IS_ERR(st->reg_base))
return PTR_ERR(st->reg_base);
-
/*
* Disable all IRQs before setting up the handler
*/
--
2.28.0
On Fri, 13 Nov 2020 22:26:46 +0100
Alexandre Belloni <[email protected]> wrote:
> at91_adc_probe_dt is now small enough to be merged back in at91_adc_probe.
>
> Signed-off-by: Alexandre Belloni <[email protected]>
Minor largely unrelated suggestion inline as we are touching this code.
Thanks,
Jonathan
> ---
> drivers/iio/adc/at91_adc.c | 118 +++++++++++++++----------------------
> 1 file changed, 49 insertions(+), 69 deletions(-)
>
> diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
> index 83539422b704..9f05eb722f5e 100644
> --- a/drivers/iio/adc/at91_adc.c
> +++ b/drivers/iio/adc/at91_adc.c
> @@ -833,70 +833,6 @@ static int at91_adc_probe_dt_ts(struct device_node *node,
> }
> }
>
> -static int at91_adc_probe_dt(struct iio_dev *idev,
> - struct platform_device *pdev)
> -{
> - struct at91_adc_state *st = iio_priv(idev);
> - struct device_node *node = pdev->dev.of_node;
> - int ret;
> - u32 prop;
> - char *s;
> -
> - st->caps = (struct at91_adc_caps *)
> - of_match_device(at91_adc_dt_ids, &pdev->dev)->data;
> -
> - st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers");
> -
> - if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) {
> - dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n");
> - ret = -EINVAL;
> - goto error_ret;
> - }
> - st->channels_mask = prop;
> -
> - st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode");
> -
> - if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) {
> - dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n");
> - ret = -EINVAL;
> - goto error_ret;
> - }
> - st->startup_time = prop;
> -
> - prop = 0;
> - of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop);
> - st->sample_hold_time = prop;
> -
> - if (of_property_read_u32(node, "atmel,adc-vref", &prop)) {
> - dev_err(&idev->dev, "Missing adc-vref property in the DT.\n");
> - ret = -EINVAL;
> - goto error_ret;
> - }
> - st->vref_mv = prop;
> -
> - st->res = st->caps->high_res_bits;
> - if (st->caps->low_res_bits &&
> - !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s)
> - && !strcmp(s, "lowres"))
> - st->res = st->caps->low_res_bits;
> -
> - dev_info(&idev->dev, "Resolution used: %u bits\n", st->res);
> -
> - st->registers = &st->caps->registers;
> - st->num_channels = st->caps->num_channels;
> -
> - /* Check if touchscreen is supported. */
> - if (st->caps->has_ts)
> - return at91_adc_probe_dt_ts(node, st, &idev->dev);
> - else
> - dev_info(&idev->dev, "not support touchscreen in the adc compatible string.\n");
> -
> - return 0;
> -
> -error_ret:
> - return ret;
> -}
> -
> static const struct iio_info at91_adc_info = {
> .read_raw = &at91_adc_read_raw,
> };
> @@ -1062,10 +998,12 @@ static void at91_ts_unregister(struct at91_adc_state *st)
> static int at91_adc_probe(struct platform_device *pdev)
> {
> unsigned int prsc, mstrclk, ticks, adc_clk, adc_clk_khz, shtim;
> + struct device_node *node = pdev->dev.of_node;
> int ret;
> struct iio_dev *idev;
> struct at91_adc_state *st;
> - u32 reg;
> + u32 reg, prop;
> + char *s;
>
> idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state));
> if (!idev)
> @@ -1073,9 +1011,52 @@ static int at91_adc_probe(struct platform_device *pdev)
>
> st = iio_priv(idev);
>
> - ret = at91_adc_probe_dt(idev, pdev);
> - if (ret)
> - return ret;
> + st->caps = (struct at91_adc_caps *)
> + of_match_device(at91_adc_dt_ids, &pdev->dev)->data;
of_device_get match_data - obviously an unrelated change but trivial enough
I'd just slip it in this patch (unless you have it a later one!)
That returns a void * so no need for the cast.
> +
> + st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers");
> +
> + if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) {
> + dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n");
> + return -EINVAL;
> + }
> + st->channels_mask = prop;
> +
> + st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode");
> +
> + if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) {
> + dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n");
> + return -EINVAL;
> + }
> + st->startup_time = prop;
> +
> + prop = 0;
> + of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop);
> + st->sample_hold_time = prop;
> +
> + if (of_property_read_u32(node, "atmel,adc-vref", &prop)) {
> + dev_err(&idev->dev, "Missing adc-vref property in the DT.\n");
> + return -EINVAL;
> + }
> + st->vref_mv = prop;
> +
> + st->res = st->caps->high_res_bits;
> + if (st->caps->low_res_bits &&
> + !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s)
> + && !strcmp(s, "lowres"))
> + st->res = st->caps->low_res_bits;
> +
> + dev_info(&idev->dev, "Resolution used: %u bits\n", st->res);
> +
> + st->registers = &st->caps->registers;
> + st->num_channels = st->caps->num_channels;
> +
> + /* Check if touchscreen is supported. */
> + if (st->caps->has_ts) {
> + ret = at91_adc_probe_dt_ts(node, st, &idev->dev);
> + if (ret)
> + return ret;
> + }
>
> platform_set_drvdata(pdev, idev);
>
> @@ -1091,7 +1072,6 @@ static int at91_adc_probe(struct platform_device *pdev)
> if (IS_ERR(st->reg_base))
> return PTR_ERR(st->reg_base);
>
> -
Stray change that shouldn't be in this patch ideally but not that important.
> /*
> * Disable all IRQs before setting up the handler
> */
On Sat, 14 Nov 2020 17:08:04 +0000
Jonathan Cameron <[email protected]> wrote:
> On Fri, 13 Nov 2020 22:26:46 +0100
> Alexandre Belloni <[email protected]> wrote:
>
> > at91_adc_probe_dt is now small enough to be merged back in at91_adc_probe.
> >
> > Signed-off-by: Alexandre Belloni <[email protected]>
> Minor largely unrelated suggestion inline as we are touching this code.
>
Ignore that, you do it in the next patch which is better anyway :)
Jonathan
> Thanks,
>
> Jonathan
>
> > ---
> > drivers/iio/adc/at91_adc.c | 118 +++++++++++++++----------------------
> > 1 file changed, 49 insertions(+), 69 deletions(-)
> >
> > diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
> > index 83539422b704..9f05eb722f5e 100644
> > --- a/drivers/iio/adc/at91_adc.c
> > +++ b/drivers/iio/adc/at91_adc.c
> > @@ -833,70 +833,6 @@ static int at91_adc_probe_dt_ts(struct device_node *node,
> > }
> > }
> >
> > -static int at91_adc_probe_dt(struct iio_dev *idev,
> > - struct platform_device *pdev)
> > -{
> > - struct at91_adc_state *st = iio_priv(idev);
> > - struct device_node *node = pdev->dev.of_node;
> > - int ret;
> > - u32 prop;
> > - char *s;
> > -
> > - st->caps = (struct at91_adc_caps *)
> > - of_match_device(at91_adc_dt_ids, &pdev->dev)->data;
> > -
> > - st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers");
> > -
> > - if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) {
> > - dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n");
> > - ret = -EINVAL;
> > - goto error_ret;
> > - }
> > - st->channels_mask = prop;
> > -
> > - st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode");
> > -
> > - if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) {
> > - dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n");
> > - ret = -EINVAL;
> > - goto error_ret;
> > - }
> > - st->startup_time = prop;
> > -
> > - prop = 0;
> > - of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop);
> > - st->sample_hold_time = prop;
> > -
> > - if (of_property_read_u32(node, "atmel,adc-vref", &prop)) {
> > - dev_err(&idev->dev, "Missing adc-vref property in the DT.\n");
> > - ret = -EINVAL;
> > - goto error_ret;
> > - }
> > - st->vref_mv = prop;
> > -
> > - st->res = st->caps->high_res_bits;
> > - if (st->caps->low_res_bits &&
> > - !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s)
> > - && !strcmp(s, "lowres"))
> > - st->res = st->caps->low_res_bits;
> > -
> > - dev_info(&idev->dev, "Resolution used: %u bits\n", st->res);
> > -
> > - st->registers = &st->caps->registers;
> > - st->num_channels = st->caps->num_channels;
> > -
> > - /* Check if touchscreen is supported. */
> > - if (st->caps->has_ts)
> > - return at91_adc_probe_dt_ts(node, st, &idev->dev);
> > - else
> > - dev_info(&idev->dev, "not support touchscreen in the adc compatible string.\n");
> > -
> > - return 0;
> > -
> > -error_ret:
> > - return ret;
> > -}
> > -
> > static const struct iio_info at91_adc_info = {
> > .read_raw = &at91_adc_read_raw,
> > };
> > @@ -1062,10 +998,12 @@ static void at91_ts_unregister(struct at91_adc_state *st)
> > static int at91_adc_probe(struct platform_device *pdev)
> > {
> > unsigned int prsc, mstrclk, ticks, adc_clk, adc_clk_khz, shtim;
> > + struct device_node *node = pdev->dev.of_node;
> > int ret;
> > struct iio_dev *idev;
> > struct at91_adc_state *st;
> > - u32 reg;
> > + u32 reg, prop;
> > + char *s;
> >
> > idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state));
> > if (!idev)
> > @@ -1073,9 +1011,52 @@ static int at91_adc_probe(struct platform_device *pdev)
> >
> > st = iio_priv(idev);
> >
> > - ret = at91_adc_probe_dt(idev, pdev);
> > - if (ret)
> > - return ret;
> > + st->caps = (struct at91_adc_caps *)
> > + of_match_device(at91_adc_dt_ids, &pdev->dev)->data;
>
> of_device_get match_data - obviously an unrelated change but trivial enough
> I'd just slip it in this patch (unless you have it a later one!)
>
> That returns a void * so no need for the cast.
>
> > +
> > + st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers");
> > +
> > + if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) {
> > + dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n");
> > + return -EINVAL;
> > + }
> > + st->channels_mask = prop;
> > +
> > + st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode");
> > +
> > + if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) {
> > + dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n");
> > + return -EINVAL;
> > + }
> > + st->startup_time = prop;
> > +
> > + prop = 0;
> > + of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop);
> > + st->sample_hold_time = prop;
> > +
> > + if (of_property_read_u32(node, "atmel,adc-vref", &prop)) {
> > + dev_err(&idev->dev, "Missing adc-vref property in the DT.\n");
> > + return -EINVAL;
> > + }
> > + st->vref_mv = prop;
> > +
> > + st->res = st->caps->high_res_bits;
> > + if (st->caps->low_res_bits &&
> > + !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s)
> > + && !strcmp(s, "lowres"))
> > + st->res = st->caps->low_res_bits;
> > +
> > + dev_info(&idev->dev, "Resolution used: %u bits\n", st->res);
> > +
> > + st->registers = &st->caps->registers;
> > + st->num_channels = st->caps->num_channels;
> > +
> > + /* Check if touchscreen is supported. */
> > + if (st->caps->has_ts) {
> > + ret = at91_adc_probe_dt_ts(node, st, &idev->dev);
> > + if (ret)
> > + return ret;
> > + }
> >
> > platform_set_drvdata(pdev, idev);
> >
> > @@ -1091,7 +1072,6 @@ static int at91_adc_probe(struct platform_device *pdev)
> > if (IS_ERR(st->reg_base))
> > return PTR_ERR(st->reg_base);
> >
> > -
> Stray change that shouldn't be in this patch ideally but not that important.
>
> > /*
> > * Disable all IRQs before setting up the handler
> > */
>
On 14/11/2020 17:08:04+0000, Jonathan Cameron wrote:
> > - ret = at91_adc_probe_dt(idev, pdev);
> > - if (ret)
> > - return ret;
> > + st->caps = (struct at91_adc_caps *)
> > + of_match_device(at91_adc_dt_ids, &pdev->dev)->data;
>
> of_device_get match_data - obviously an unrelated change but trivial enough
> I'd just slip it in this patch (unless you have it a later one!)
>
> That returns a void * so no need for the cast.
>
I guess I will change the next patch to use of_device_get_match_data as
Andy doesn't like it when the fo_ and device_ APIs are mixed.
> > + st->registers = &st->caps->registers;
> > + st->num_channels = st->caps->num_channels;
> > +
> > + /* Check if touchscreen is supported. */
> > + if (st->caps->has_ts) {
> > + ret = at91_adc_probe_dt_ts(node, st, &idev->dev);
> > + if (ret)
> > + return ret;
> > + }
> >
> > platform_set_drvdata(pdev, idev);
> >
> > @@ -1091,7 +1072,6 @@ static int at91_adc_probe(struct platform_device *pdev)
> > if (IS_ERR(st->reg_base))
> > return PTR_ERR(st->reg_base);
> >
> > -
> Stray change that shouldn't be in this patch ideally but not that important.
>
I know I sneaked this one in but I didn't want to have that as a separate
patch ;). I'll drop it.