diff mbox series

[v10,03/12] dmaengine: fsl-edma: transition from bool fields to bitmask flags in drvdata

Message ID 20230707190029.476005-4-Frank.Li@nxp.com
State Superseded
Headers show
Series dmaengine: edma: add freescale edma v3 support | expand

Commit Message

Frank Li July 7, 2023, 7 p.m. UTC 
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@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
---
 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 mbox series

Patch

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 e40769666e39..1e1cf0548ac7 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,
 };
 
@@ -304,7 +304,7 @@  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");