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@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com Reviewed-by: Péter Ujfalusi peter.ujfalusi@linux.intel.com --- 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 */