From 5df6dc1dd9e6812eb538ce2121807f06fed1d396 Mon Sep 17 00:00:00 2001 From: Jon Lin Date: Wed, 14 Aug 2024 11:30:25 +0800 Subject: [PATCH] spi: rockchip: Enable pm_runtime autosuspend_delay This can balance performance and power consumption. Change-Id: Ib59047632c57b6897098d16f43ba44e38e075c00 Signed-off-by: Jon Lin --- drivers/spi/spi-rockchip.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index e9b78b9ae2f9..e80f7379100f 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -173,6 +173,8 @@ #define ROCKCHIP_SPI_REGISTER_SIZE 0x1000 +#define ROCKCHIP_AUTOSUSPEND_TIMEOUT 500 + enum rockchip_spi_xfer_mode { ROCKCHIP_SPI_DMA, ROCKCHIP_SPI_IRQ, @@ -1112,13 +1114,11 @@ static int rockchip_spi_probe(struct platform_device *pdev) if (quirks_cfg) rs->max_baud_div_in_cpha = quirks_cfg->max_baud_div_in_cpha; - if (!device_property_read_u32(&pdev->dev, "rockchip,autosuspend-delay-ms", &val)) { - if (val > 0) { - pm_runtime_set_autosuspend_delay(&pdev->dev, val); - pm_runtime_use_autosuspend(&pdev->dev); - } - } - + device_property_read_u32(&pdev->dev, "rockchip,autosuspend-delay-ms", &val); + if (val <= 0) + val = ROCKCHIP_AUTOSUSPEND_TIMEOUT; + pm_runtime_set_autosuspend_delay(&pdev->dev, val); + pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev);