summaryrefslogtreecommitdiff
path: root/drivers/spi/spi-imx.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2020-12-11 17:48:50 +0000
committerMark Brown <broonie@kernel.org>2020-12-11 17:48:50 +0000
commit58f7553fa424fd0fd74e8b796d50c66014cebebe (patch)
tree8aecb1d047b1df2abbfa1ef323d2a724a6a61c77 /drivers/spi/spi-imx.c
parentdd91c555461261fed220ae29a508f508a0afeb43 (diff)
parent9326e4f1e5dd1a4410c429638d3c412b6fc17040 (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.c30
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);