[PATCH v11 03/12] dmaengine: fsl-edma: transition from bool fields to bitmask flags in drvdata

[Frank Li]

Replace individual bool fields with bitmask flags within drvdata. This
will facilitate future extensions, making it easier to add more flags to
accommodate new versions of the edma IP.

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
---
 drivers/dma/fsl-edma-common.c | 2 +-
 drivers/dma/fsl-edma-common.h | 5 +++--
 drivers/dma/fsl-edma-main.c   | 6 +++---
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c
index 89b0d09c13ff..2549a727913f 100644
--- a/drivers/dma/fsl-edma-common.c
+++ b/drivers/dma/fsl-edma-common.c
@@ -114,7 +114,7 @@ void fsl_edma_chan_mux(struct fsl_edma_chan *fsl_chan,
 	chans_per_mux = fsl_chan->edma->n_chans / dmamux_nr;
 	ch_off = fsl_chan->vchan.chan.chan_id % chans_per_mux;
 
-	if (fsl_chan->edma->drvdata->mux_swap)
+	if (fsl_chan->edma->drvdata->flags & FSL_EDMA_DRV_MUX_SWAP)
 		ch_off += endian_diff[ch_off % 4];
 
 	muxaddr = fsl_chan->edma->muxbase[ch / chans_per_mux];
diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h
index 004ec4a6bc86..db137a8c558d 100644
--- a/drivers/dma/fsl-edma-common.h
+++ b/drivers/dma/fsl-edma-common.h
@@ -144,11 +144,12 @@ enum edma_version {
 	v3, /* 32ch, i.mx7ulp */
 };
 
+#define FSL_EDMA_DRV_HAS_DMACLK		BIT(0)
+#define FSL_EDMA_DRV_MUX_SWAP		BIT(1)
 struct fsl_edma_drvdata {
 	enum edma_version	version;
 	u32			dmamuxs;
-	bool			has_dmaclk;
-	bool			mux_swap;
+	u32			flags;
 	int			(*setup_irq)(struct platform_device *pdev,
 					     struct fsl_edma_engine *fsl_edma);
 };
diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c
index 8c9ee9fc7240..a318ad6e40c2 100644
--- a/drivers/dma/fsl-edma-main.c
+++ b/drivers/dma/fsl-edma-main.c
@@ -244,14 +244,14 @@ static struct fsl_edma_drvdata vf610_data = {
 static struct fsl_edma_drvdata ls1028a_data = {
 	.version = v1,
 	.dmamuxs = DMAMUX_NR,
-	.mux_swap = true,
+	.flags = FSL_EDMA_DRV_MUX_SWAP,
 	.setup_irq = fsl_edma_irq_init,
 };
 
 static struct fsl_edma_drvdata imx7ulp_data = {
 	.version = v3,
 	.dmamuxs = 1,
-	.has_dmaclk = true,
+	.flags = FSL_EDMA_DRV_HAS_DMACLK,
 	.setup_irq = fsl_edma2_irq_init,
 };
 
@@ -303,7 +303,7 @@ static int fsl_edma_probe(struct platform_device *pdev)
 	fsl_edma_setup_regs(fsl_edma);
 	regs = &fsl_edma->regs;
 
-	if (drvdata->has_dmaclk) {
+	if (drvdata->flags & FSL_EDMA_DRV_HAS_DMACLK) {
 		fsl_edma->dmaclk = devm_clk_get(&pdev->dev, "dma");
 		if (IS_ERR(fsl_edma->dmaclk)) {
 			dev_err(&pdev->dev, "Missing DMA block clock.\n");
-- 
2.34.1