diff options
author | Mark Brown <broonie@kernel.org> | 2020-12-11 17:48:50 +0000 |
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committer | Mark Brown <broonie@kernel.org> | 2020-12-11 17:48:50 +0000 |
commit | 58f7553fa424fd0fd74e8b796d50c66014cebebe (patch) | |
tree | 8aecb1d047b1df2abbfa1ef323d2a724a6a61c77 /drivers/spi/spi-imx.c | |
parent | dd91c555461261fed220ae29a508f508a0afeb43 (diff) | |
parent | 9326e4f1e5dd1a4410c429638d3c412b6fc17040 (diff) |
Merge remote-tracking branch 'spi/for-5.10' into spi-linus
Diffstat (limited to 'drivers/spi/spi-imx.c')
-rw-r--r-- | drivers/spi/spi-imx.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index e38e5ad3c706..0b597905ee72 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -1503,6 +1503,8 @@ static int spi_imx_transfer(struct spi_device *spi, { struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master); + transfer->effective_speed_hz = spi_imx->spi_bus_clk; + /* flush rxfifo before transfer */ while (spi_imx->devtype_data->rx_available(spi_imx)) readl(spi_imx->base + MXC_CSPIRXDATA); @@ -1674,15 +1676,19 @@ static int spi_imx_probe(struct platform_device *pdev) goto out_master_put; } - pm_runtime_enable(spi_imx->dev); + ret = clk_prepare_enable(spi_imx->clk_per); + if (ret) + goto out_master_put; + + ret = clk_prepare_enable(spi_imx->clk_ipg); + if (ret) + goto out_put_per; + pm_runtime_set_autosuspend_delay(spi_imx->dev, MXC_RPM_TIMEOUT); pm_runtime_use_autosuspend(spi_imx->dev); - - ret = pm_runtime_get_sync(spi_imx->dev); - if (ret < 0) { - dev_err(spi_imx->dev, "failed to enable clock\n"); - goto out_runtime_pm_put; - } + pm_runtime_get_noresume(spi_imx->dev); + pm_runtime_set_active(spi_imx->dev); + pm_runtime_enable(spi_imx->dev); spi_imx->spi_clk = clk_get_rate(spi_imx->clk_per); /* @@ -1695,7 +1701,7 @@ static int spi_imx_probe(struct platform_device *pdev) goto out_runtime_pm_put; if (ret < 0) - dev_err(&pdev->dev, "dma setup error %d, use pio\n", + dev_dbg(&pdev->dev, "dma setup error %d, use pio\n", ret); } @@ -1710,8 +1716,6 @@ static int spi_imx_probe(struct platform_device *pdev) goto out_bitbang_start; } - dev_info(&pdev->dev, "probed\n"); - pm_runtime_mark_last_busy(spi_imx->dev); pm_runtime_put_autosuspend(spi_imx->dev); @@ -1722,8 +1726,12 @@ out_bitbang_start: spi_imx_sdma_exit(spi_imx); out_runtime_pm_put: pm_runtime_dont_use_autosuspend(spi_imx->dev); - pm_runtime_put_sync(spi_imx->dev); + pm_runtime_set_suspended(&pdev->dev); pm_runtime_disable(spi_imx->dev); + + clk_disable_unprepare(spi_imx->clk_ipg); +out_put_per: + clk_disable_unprepare(spi_imx->clk_per); out_master_put: spi_master_put(master); |