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authorVinod Koul <vkoul@kernel.org>2022-04-06 15:25:08 +0200
committerVinod Koul <vkoul@kernel.org>2022-04-13 14:24:39 +0200
commit6316572cf30283d784df0ecf3d517daf020b4507 (patch)
treebb8c3eb964b182759583f11b022ee4fe26d6f27f /drivers/dma/qcom/gpi.c
parentdt-bindings: dmaengine: qcom: gpi: add compatible for sm8350/sm8350 (diff)
downloadlinux-6316572cf30283d784df0ecf3d517daf020b4507.tar.xz
linux-6316572cf30283d784df0ecf3d517daf020b4507.zip
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 <vkoul@kernel.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220406132508.1029348-3-vkoul@kernel.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/qcom/gpi.c')
-rw-r--r--drivers/dma/qcom/gpi.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/dma/qcom/gpi.c b/drivers/dma/qcom/gpi.c
index 3429ceccd13b..0b402d923eae 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);