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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2020-06-16 14:31:47 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2020-06-16 14:31:47 +0300 |
| commit | 4b3c1f1b15f576445c221cbc77a88540433a2ba7 (patch) | |
| tree | b88ac114c16fa1747205c9060bf00498bcb5df97 /drivers/iio/dac/vf610_dac.c | |
| parent | 11425c4519e2c974a100fc984867046d905b9380 (diff) | |
| parent | b3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff) | |
| download | linux-4b3c1f1b15f576445c221cbc77a88540433a2ba7.tar.xz | |
Merge v5.8-rc1 into drm-misc-fixes
Beginning a new release cycles for what will become v5.8. Updating
drm-misc-fixes accordingly.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/iio/dac/vf610_dac.c')
| -rw-r--r-- | drivers/iio/dac/vf610_dac.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/iio/dac/vf610_dac.c b/drivers/iio/dac/vf610_dac.c index 71f8a5c471c4..9417a4a3e22a 100644 --- a/drivers/iio/dac/vf610_dac.c +++ b/drivers/iio/dac/vf610_dac.c @@ -36,6 +36,7 @@ struct vf610_dac { struct device *dev; enum vf610_conversion_mode_sel conv_mode; void __iomem *regs; + struct mutex lock; }; static void vf610_dac_init(struct vf610_dac *info) @@ -64,7 +65,7 @@ static int vf610_set_conversion_mode(struct iio_dev *indio_dev, struct vf610_dac *info = iio_priv(indio_dev); int val; - mutex_lock(&indio_dev->mlock); + mutex_lock(&info->lock); info->conv_mode = mode; val = readl(info->regs + VF610_DACx_STATCTRL); if (mode) @@ -72,7 +73,7 @@ static int vf610_set_conversion_mode(struct iio_dev *indio_dev, else val &= ~VF610_DAC_LPEN; writel(val, info->regs + VF610_DACx_STATCTRL); - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&info->lock); return 0; } @@ -147,9 +148,9 @@ static int vf610_write_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - mutex_lock(&indio_dev->mlock); + mutex_lock(&info->lock); writel(VF610_DAC_DAT0(val), info->regs); - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&info->lock); return 0; default: @@ -205,6 +206,8 @@ static int vf610_dac_probe(struct platform_device *pdev) indio_dev->channels = vf610_dac_iio_channels; indio_dev->num_channels = ARRAY_SIZE(vf610_dac_iio_channels); + mutex_init(&info->lock); + ret = clk_prepare_enable(info->clk); if (ret) { dev_err(&pdev->dev, @@ -223,6 +226,7 @@ static int vf610_dac_probe(struct platform_device *pdev) return 0; error_iio_device_register: + vf610_dac_exit(info); clk_disable_unprepare(info->clk); return ret; |