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spi: rockchip: Enable pm_runtime autosuspend_delay
This can balance performance and power consumption. Change-Id: Ib59047632c57b6897098d16f43ba44e38e075c00 Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
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@@ -173,6 +173,8 @@
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#define ROCKCHIP_SPI_REGISTER_SIZE 0x1000
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#define ROCKCHIP_AUTOSUSPEND_TIMEOUT 500
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enum rockchip_spi_xfer_mode {
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ROCKCHIP_SPI_DMA,
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ROCKCHIP_SPI_IRQ,
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@@ -1112,13 +1114,11 @@ static int rockchip_spi_probe(struct platform_device *pdev)
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if (quirks_cfg)
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rs->max_baud_div_in_cpha = quirks_cfg->max_baud_div_in_cpha;
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if (!device_property_read_u32(&pdev->dev, "rockchip,autosuspend-delay-ms", &val)) {
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if (val > 0) {
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pm_runtime_set_autosuspend_delay(&pdev->dev, val);
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pm_runtime_use_autosuspend(&pdev->dev);
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}
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}
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device_property_read_u32(&pdev->dev, "rockchip,autosuspend-delay-ms", &val);
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if (val <= 0)
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val = ROCKCHIP_AUTOSUSPEND_TIMEOUT;
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pm_runtime_set_autosuspend_delay(&pdev->dev, val);
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pm_runtime_use_autosuspend(&pdev->dev);
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pm_runtime_set_active(&pdev->dev);
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pm_runtime_enable(&pdev->dev);
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