Returning an error when a read/write is not implemented makes no
sense, especially on read where no return value makes sense.
Change the logic to directly fallback to mmio. If a platform truly
wants other read/writes that are not plain vanilla mmio, it needs to
implement its own routines.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Rander Wang <rander.wang@xxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
sound/soc/sof/ops.h | 26 ++++++++++----------------
1 file changed, 10 insertions(+), 16 deletions(-)
diff --git a/sound/soc/sof/ops.h b/sound/soc/sof/ops.h
index 55d43adb6a295..a72f8043be64d 100644
--- a/sound/soc/sof/ops.h
+++ b/sound/soc/sof/ops.h
@@ -305,23 +305,19 @@ static inline int snd_sof_debugfs_add_region_item(struct snd_sof_dev *sdev,
static inline void snd_sof_dsp_write(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u32 value)
{
- if (sof_ops(sdev)->write) {
+ if (sof_ops(sdev)->write)
sof_ops(sdev)->write(sdev, sdev->bar[bar] + offset, value);
- return;
- }
-
- dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
+ else
+ writel(value, sdev->bar[bar] + offset);
}
static inline void snd_sof_dsp_write64(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u64 value)
{
- if (sof_ops(sdev)->write64) {
+ if (sof_ops(sdev)->write64)
sof_ops(sdev)->write64(sdev, sdev->bar[bar] + offset, value);
- return;
- }
-
- dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
+ else
+ writeq(value, sdev->bar[bar] + offset);
}
static inline u32 snd_sof_dsp_read(struct snd_sof_dev *sdev, u32 bar,
@@ -329,9 +325,8 @@ static inline u32 snd_sof_dsp_read(struct snd_sof_dev *sdev, u32 bar,
{
if (sof_ops(sdev)->read)
return sof_ops(sdev)->read(sdev, sdev->bar[bar] + offset);
-
- dev_err(sdev->dev, "error: %s not defined\n", __func__);
- return -ENOTSUPP;
+ else
+ return readl(sdev->bar[bar] + offset);
}
static inline u64 snd_sof_dsp_read64(struct snd_sof_dev *sdev, u32 bar,
@@ -339,9 +334,8 @@ static inline u64 snd_sof_dsp_read64(struct snd_sof_dev *sdev, u32 bar,
{
if (sof_ops(sdev)->read64)
return sof_ops(sdev)->read64(sdev, sdev->bar[bar] + offset);
-
- dev_err(sdev->dev, "error: %s not defined\n", __func__);
- return -ENOTSUPP;
+ else
+ return readq(sdev->bar[bar] + offset);
}
/* block IO */
--
2.34.1
