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path: root/drivers/i2c/busses/i2c-designware-platdrv.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-designware-platdrv.c')
-rw-r--r--drivers/i2c/busses/i2c-designware-platdrv.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index cb846cb50512..0b42a12171f3 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -157,7 +157,7 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
struct i2c_adapter *adap;
struct resource *mem;
int irq, r;
- u32 ht = 0;
+ u32 acpi_speed, ht = 0;
irq = platform_get_irq(pdev, 0);
if (irq < 0)
@@ -192,6 +192,10 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
&dev->clk_freq);
}
+ acpi_speed = i2c_acpi_find_bus_speed(&pdev->dev);
+ if (acpi_speed)
+ dev->clk_freq = acpi_speed;
+
if (has_acpi_companion(&pdev->dev))
dw_i2c_acpi_configure(pdev);