On Thu, Apr 11, 2024 at 10:44:17AM +0800, Joy Zou wrote:
> The eDMA hardware issue only exist imx8QM A0. A0 never mass production.
> So remove the workaround safely.
>
> Signed-off-by: Joy Zou <joy.zou@xxxxxxx>
> ---
> drivers/dma/fsl-edma-common.c | 16 ++++------------
> drivers/dma/fsl-edma-main.c | 8 --------
> 2 files changed, 4 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c
> index f9144b015439..ed93e01282d5 100644
> --- a/drivers/dma/fsl-edma-common.c
> +++ b/drivers/dma/fsl-edma-common.c
> @@ -75,18 +75,10 @@ static void fsl_edma3_enable_request(struct fsl_edma_chan *fsl_chan)
>
> flags = fsl_edma_drvflags(fsl_chan);
> val = edma_readl_chreg(fsl_chan, ch_sbr);
> - /* Remote/local swapped wrongly on iMX8 QM Audio edma */
> - if (flags & FSL_EDMA_DRV_QUIRK_SWAPPED) {
> - if (!fsl_chan->is_rxchan)
> - val |= EDMA_V3_CH_SBR_RD;
> - else
> - val |= EDMA_V3_CH_SBR_WR;
> - } else {
> - if (fsl_chan->is_rxchan)
> - val |= EDMA_V3_CH_SBR_RD;
> - else
> - val |= EDMA_V3_CH_SBR_WR;
> - }
> + if (fsl_chan->is_rxchan)
> + val |= EDMA_V3_CH_SBR_RD;
> + else
> + val |= EDMA_V3_CH_SBR_WR;
>
> if (fsl_chan->is_remote)
> val &= ~(EDMA_V3_CH_SBR_RD | EDMA_V3_CH_SBR_WR);
> diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c
> index 755a3dc3b0a7..b06fa147d6ba 100644
> --- a/drivers/dma/fsl-edma-main.c
> +++ b/drivers/dma/fsl-edma-main.c
> @@ -349,13 +349,6 @@ static struct fsl_edma_drvdata imx8qm_data = {
> .setup_irq = fsl_edma3_irq_init,
> };
>
> -static struct fsl_edma_drvdata imx8qm_audio_data = {
> - .flags = FSL_EDMA_DRV_QUIRK_SWAPPED | FSL_EDMA_DRV_HAS_PD | FSL_EDMA_DRV_EDMA3,
> - .chreg_space_sz = 0x10000,
> - .chreg_off = 0x10000,
> - .setup_irq = fsl_edma3_irq_init,
> -};
> -
> static struct fsl_edma_drvdata imx8ulp_data = {
> .flags = FSL_EDMA_DRV_HAS_CHMUX | FSL_EDMA_DRV_HAS_CHCLK | FSL_EDMA_DRV_HAS_DMACLK |
> FSL_EDMA_DRV_EDMA3,
> @@ -397,7 +390,6 @@ static const struct of_device_id fsl_edma_dt_ids[] = {
> { .compatible = "fsl,ls1028a-edma", .data = &ls1028a_data},
> { .compatible = "fsl,imx7ulp-edma", .data = &imx7ulp_data},
> { .compatible = "fsl,imx8qm-edma", .data = &imx8qm_data},
> - { .compatible = "fsl,imx8qm-adma", .data = &imx8qm_audio_data},
Please update binding doc also.
Frank Li
> { .compatible = "fsl,imx8ulp-edma", .data = &imx8ulp_data},
> { .compatible = "fsl,imx93-edma3", .data = &imx93_data3},
> { .compatible = "fsl,imx93-edma4", .data = &imx93_data4},
> --
> 2.37.1
>
