diff options
| author | Mark Brown <broonie@kernel.org> | 2020-12-11 17:48:50 +0000 | 
|---|---|---|
| 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); | 
