From: Vinod Koul Date: Wed, 6 Apr 2022 13:25:08 +0000 (+0530) Subject: dmaengine: qcom: gpi: Add support for ee_offset X-Git-Tag: v6.1-rc5~1215^2~66 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6316572cf30283d784df0ecf3d517daf020b4507;p=platform%2Fkernel%2Flinux-starfive.git dmaengine: qcom: gpi: Add support for ee_offset Controller on newer SoCs like SM8450 have registers at at offset. Add ee_offset to driver_data and add this compatible for the driver. Signed-off-by: Vinod Koul Reviewed-by: Bjorn Andersson Tested-by: Bjorn Andersson Link: https://lore.kernel.org/r/20220406132508.1029348-3-vkoul@kernel.org Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/qcom/gpi.c b/drivers/dma/qcom/gpi.c index 3429cec..0b402d9 100644 --- a/drivers/dma/qcom/gpi.c +++ b/drivers/dma/qcom/gpi.c @@ -2152,6 +2152,7 @@ static int gpi_probe(struct platform_device *pdev) { struct gpi_dev *gpi_dev; unsigned int i; + u32 ee_offset; int ret; gpi_dev = devm_kzalloc(&pdev->dev, sizeof(*gpi_dev), GFP_KERNEL); @@ -2179,6 +2180,9 @@ static int gpi_probe(struct platform_device *pdev) return ret; } + ee_offset = (uintptr_t)device_get_match_data(gpi_dev->dev); + gpi_dev->ee_base = gpi_dev->ee_base - ee_offset; + gpi_dev->ev_factor = EV_FACTOR; ret = dma_set_mask(gpi_dev->dev, DMA_BIT_MASK(64)); @@ -2282,9 +2286,10 @@ static int gpi_probe(struct platform_device *pdev) } static const struct of_device_id gpi_of_match[] = { - { .compatible = "qcom,sdm845-gpi-dma" }, - { .compatible = "qcom,sm8150-gpi-dma" }, - { .compatible = "qcom,sm8250-gpi-dma" }, + { .compatible = "qcom,sdm845-gpi-dma", .data = (void *)0x0 }, + { .compatible = "qcom,sm8150-gpi-dma", .data = (void *)0x0 }, + { .compatible = "qcom,sm8250-gpi-dma", .data = (void *)0x0 }, + { .compatible = "qcom,sm8450-gpi-dma", .data = (void *)0x10000 }, { }, }; MODULE_DEVICE_TABLE(of, gpi_of_match);