[PATCH v3 1/5] dmaengine: fsl-edma: remove 'slave_id' from fsl_edma_chan

From: Frank Li
Date: Sat Mar 23 2024 - 11:35:41 EST


The 'slave_id' field is redundant as it duplicates the functionality of
'srcid'. Remove 'slave_id' from fsl_edma_chan to eliminate redundancy.

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
drivers/dma/fsl-edma-common.h | 1 -
drivers/dma/fsl-edma-main.c | 10 +++++-----
drivers/dma/mcf-edma-main.c | 4 ++--
3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h
index 7bf0aba471a8c..4cf1de9f0e512 100644
--- a/drivers/dma/fsl-edma-common.h
+++ b/drivers/dma/fsl-edma-common.h
@@ -151,7 +151,6 @@ struct fsl_edma_chan {
enum dma_status status;
enum fsl_edma_pm_state pm_state;
bool idle;
- u32 slave_id;
struct fsl_edma_engine *edma;
struct fsl_edma_desc *edesc;
struct dma_slave_config cfg;
diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c
index 402f0058a180c..0a6e0c4040274 100644
--- a/drivers/dma/fsl-edma-main.c
+++ b/drivers/dma/fsl-edma-main.c
@@ -114,8 +114,8 @@ static struct dma_chan *fsl_edma_xlate(struct of_phandle_args *dma_spec,
if (chan) {
chan->device->privatecnt++;
fsl_chan = to_fsl_edma_chan(chan);
- fsl_chan->slave_id = dma_spec->args[1];
- fsl_edma_chan_mux(fsl_chan, fsl_chan->slave_id,
+ fsl_chan->srcid = dma_spec->args[1];
+ fsl_edma_chan_mux(fsl_chan, fsl_chan->srcid,
true);
mutex_unlock(&fsl_edma->fsl_edma_mutex);
return chan;
@@ -540,7 +540,7 @@ static int fsl_edma_probe(struct platform_device *pdev)

fsl_chan->edma = fsl_edma;
fsl_chan->pm_state = RUNNING;
- fsl_chan->slave_id = 0;
+ fsl_chan->srcid = 0;
fsl_chan->idle = true;
fsl_chan->dma_dir = DMA_NONE;
fsl_chan->vchan.desc_free = fsl_edma_free_desc;
@@ -682,8 +682,8 @@ static int fsl_edma_resume_early(struct device *dev)
continue;
fsl_chan->pm_state = RUNNING;
edma_write_tcdreg(fsl_chan, 0, csr);
- if (fsl_chan->slave_id != 0)
- fsl_edma_chan_mux(fsl_chan, fsl_chan->slave_id, true);
+ if (fsl_chan->srcid != 0)
+ fsl_edma_chan_mux(fsl_chan, fsl_chan->srcid, true);
}

if (!(fsl_edma->drvdata->flags & FSL_EDMA_DRV_SPLIT_REG))
diff --git a/drivers/dma/mcf-edma-main.c b/drivers/dma/mcf-edma-main.c
index dba6317838767..78c606f6d0026 100644
--- a/drivers/dma/mcf-edma-main.c
+++ b/drivers/dma/mcf-edma-main.c
@@ -195,7 +195,7 @@ static int mcf_edma_probe(struct platform_device *pdev)
struct fsl_edma_chan *mcf_chan = &mcf_edma->chans[i];

mcf_chan->edma = mcf_edma;
- mcf_chan->slave_id = i;
+ mcf_chan->srcid = i;
mcf_chan->idle = true;
mcf_chan->dma_dir = DMA_NONE;
mcf_chan->vchan.desc_free = fsl_edma_free_desc;
@@ -277,7 +277,7 @@ bool mcf_edma_filter_fn(struct dma_chan *chan, void *param)
if (chan->device->dev->driver == &mcf_edma_driver.driver) {
struct fsl_edma_chan *mcf_chan = to_fsl_edma_chan(chan);

- return (mcf_chan->slave_id == (uintptr_t)param);
+ return (mcf_chan->srcid == (uintptr_t)param);
}

return false;

--
2.34.1