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| author | Ingo Molnar <mingo@kernel.org> | 2016-10-16 11:31:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-10-16 11:31:39 +0200 |
| commit | 1d33369db25eb7f37b7a8bd22d736888b4501a9c (patch) | |
| tree | 116d764339be1bca928870151decbedc53a9e1d1 /drivers/spi/spi-fsl-dspi.c | |
| parent | 23446cb66c073b827779e5eb3dec301623299b32 (diff) | |
| parent | 1001354ca34179f3db924eb66672442a173147dc (diff) | |
| download | talos-op-linux-1d33369db25eb7f37b7a8bd22d736888b4501a9c.tar.gz talos-op-linux-1d33369db25eb7f37b7a8bd22d736888b4501a9c.zip | |
Merge tag 'v4.9-rc1' into x86/urgent, to pick up updates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 9e9dadb52b3d..35c0dd945668 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -159,7 +159,7 @@ struct fsl_dspi { u8 cs; u16 void_write_data; u32 cs_change; - struct fsl_dspi_devtype_data *devtype_data; + const struct fsl_dspi_devtype_data *devtype_data; wait_queue_head_t waitq; u32 waitflags; @@ -624,10 +624,13 @@ static int dspi_resume(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct fsl_dspi *dspi = spi_master_get_devdata(master); + int ret; pinctrl_pm_select_default_state(dev); - clk_prepare_enable(dspi->clk); + ret = clk_prepare_enable(dspi->clk); + if (ret) + return ret; spi_master_resume(master); return 0; @@ -651,8 +654,6 @@ static int dspi_probe(struct platform_device *pdev) struct resource *res; void __iomem *base; int ret = 0, cs_num, bus_num; - const struct of_device_id *of_id = - of_match_device(fsl_dspi_dt_ids, &pdev->dev); master = spi_alloc_master(&pdev->dev, sizeof(struct fsl_dspi)); if (!master) @@ -686,7 +687,7 @@ static int dspi_probe(struct platform_device *pdev) } master->bus_num = bus_num; - dspi->devtype_data = (struct fsl_dspi_devtype_data *)of_id->data; + dspi->devtype_data = of_device_get_match_data(&pdev->dev); if (!dspi->devtype_data) { dev_err(&pdev->dev, "can't get devtype_data\n"); ret = -EFAULT; @@ -728,7 +729,9 @@ static int dspi_probe(struct platform_device *pdev) dev_err(&pdev->dev, "unable to get clock\n"); goto out_master_put; } - clk_prepare_enable(dspi->clk); + ret = clk_prepare_enable(dspi->clk); + if (ret) + goto out_master_put; master->max_speed_hz = clk_get_rate(dspi->clk) / dspi->devtype_data->max_clock_factor; @@ -760,7 +763,6 @@ static int dspi_remove(struct platform_device *pdev) /* Disconnect from the SPI framework */ clk_disable_unprepare(dspi->clk); spi_unregister_master(dspi->master); - spi_master_put(dspi->master); return 0; } |
