[PATCH v3 4/4] w1: ds1wm: add messages to make incorporation in mfd-drivers easier

From: Johannes Poehlmann
Date: Tue Jul 18 2017 - 07:27:34 EST


Signed-off-by: Johannes Poehlmann <johannes.poehlmann@xxxxxxxxxxx>
Acked-by: Evgeniy Polyakov <zbr@xxxxxxxxxxx>
---
drivers/w1/masters/ds1wm.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
index 7cb4460..76b4573 100644
--- a/drivers/w1/masters/ds1wm.c
+++ b/drivers/w1/masters/ds1wm.c
@@ -580,8 +580,14 @@ static int ds1wm_probe(struct platform_device *pdev)

ret = devm_request_irq(&pdev->dev, ds1wm_data->irq, ds1wm_isr,
IRQF_SHARED, "ds1wm", ds1wm_data);
- if (ret)
+ if (ret) {
+ dev_err(&ds1wm_data->pdev->dev,
+ "devm_request_irq %d failed with errno %d\n",
+ ds1wm_data->irq,
+ ret);
+
return ret;
+ }

ds1wm_up(ds1wm_data);

@@ -591,6 +597,13 @@ static int ds1wm_probe(struct platform_device *pdev)
if (ret)
goto err;

+ dev_info(&ds1wm_data->pdev->dev,
+ "ds1wm: probe successful, IAS: %d, rec.delay: %d, clockrate: %d, bus-shift: %d, is Hw Big Endian: %d\n",
+ plat->active_high,
+ plat->reset_recover_delay,
+ plat->clock_rate,
+ ds1wm_data->bus_shift,
+ ds1wm_data->is_hw_big_endian);
return 0;

err:
--
2.1.4