We need to initializes those variables to 0 for platforms that do not
provide ACPI parameters. Otherwise, we set sda_hold_time to random
values, breaking e.g. Galileo and IOT2000 boards.

Fixes: 9d6408433019 ("i2c: designware: don't infer timings described by ACPI 
from clock rate")
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---

Affects 4.12-rc2.

 drivers/i2c/busses/i2c-designware-platdrv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c 
b/drivers/i2c/busses/i2c-designware-platdrv.c
index 6283b99d2b17..d1263b82d646 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -94,9 +94,9 @@ static void dw_i2c_acpi_params(struct platform_device *pdev, 
char method[],
 static int dw_i2c_acpi_configure(struct platform_device *pdev)
 {
        struct dw_i2c_dev *dev = platform_get_drvdata(pdev);
+       u32 ss_ht = 0, fp_ht = 0, hs_ht = 0, fs_ht = 0;
        acpi_handle handle = ACPI_HANDLE(&pdev->dev);
        const struct acpi_device_id *id;
-       u32 ss_ht, fp_ht, hs_ht, fs_ht;
        struct acpi_device *adev;
        const char *uid;
 

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