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path: root/drivers/mfd/ti_am335x_tscadc.c
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Diffstat (limited to 'drivers/mfd/ti_am335x_tscadc.c')
-rw-r--r--drivers/mfd/ti_am335x_tscadc.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index 67d0eb469a45..cb0c211fc7d8 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -53,24 +53,32 @@ static void am335x_tsc_se_update(struct ti_tscadc_dev *tsadc)
tscadc_writel(tsadc, REG_SE, tsadc->reg_se_cache);
}
-void am335x_tsc_se_set(struct ti_tscadc_dev *tsadc, u32 val)
+void am335x_tsc_se_set_cache(struct ti_tscadc_dev *tsadc, u32 val)
{
unsigned long flags;
spin_lock_irqsave(&tsadc->reg_lock, flags);
- tsadc->reg_se_cache = tscadc_readl(tsadc, REG_SE);
tsadc->reg_se_cache |= val;
am335x_tsc_se_update(tsadc);
spin_unlock_irqrestore(&tsadc->reg_lock, flags);
}
-EXPORT_SYMBOL_GPL(am335x_tsc_se_set);
+EXPORT_SYMBOL_GPL(am335x_tsc_se_set_cache);
+
+void am335x_tsc_se_set_once(struct ti_tscadc_dev *tsadc, u32 val)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&tsadc->reg_lock, flags);
+ tscadc_writel(tsadc, REG_SE, tsadc->reg_se_cache | val);
+ spin_unlock_irqrestore(&tsadc->reg_lock, flags);
+}
+EXPORT_SYMBOL_GPL(am335x_tsc_se_set_once);
void am335x_tsc_se_clr(struct ti_tscadc_dev *tsadc, u32 val)
{
unsigned long flags;
spin_lock_irqsave(&tsadc->reg_lock, flags);
- tsadc->reg_se_cache = tscadc_readl(tsadc, REG_SE);
tsadc->reg_se_cache &= ~val;
am335x_tsc_se_update(tsadc);
spin_unlock_irqrestore(&tsadc->reg_lock, flags);
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