Merge branch 'msm-fixes-4.12-rc4' of git://people.freedesktop.org/~robclark/linux...

[karo-tx-linux.git] / drivers / i2c / busses / i2c-designware-platdrv.c

diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 5a4eb6b6bd9295b0b0acfbd3ace526947d686647..d1263b82d646a1524697b38e2f63b31bd14f153d 100644 (file)
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -94,6 +94,7 @@ 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;
        struct acpi_device *adev;
@@ -107,23 +108,24 @@ static int dw_i2c_acpi_configure(struct platform_device *pdev)
         * Try to get SDA hold time and *CNT values from an ACPI method for
         * selected speed modes.
         */
+       dw_i2c_acpi_params(pdev, "SSCN", &dev->ss_hcnt, &dev->ss_lcnt, &ss_ht);
+       dw_i2c_acpi_params(pdev, "FPCN", &dev->fp_hcnt, &dev->fp_lcnt, &fp_ht);
+       dw_i2c_acpi_params(pdev, "HSCN", &dev->hs_hcnt, &dev->hs_lcnt, &hs_ht);
+       dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt, &fs_ht);
+
        switch (dev->clk_freq) {
        case 100000:
-               dw_i2c_acpi_params(pdev, "SSCN", &dev->ss_hcnt, &dev->ss_lcnt,
-                                  &dev->sda_hold_time);
+               dev->sda_hold_time = ss_ht;
                break;
        case 1000000:
-               dw_i2c_acpi_params(pdev, "FPCN", &dev->fp_hcnt, &dev->fp_lcnt,
-                                  &dev->sda_hold_time);
+               dev->sda_hold_time = fp_ht;
                break;
        case 3400000:
-               dw_i2c_acpi_params(pdev, "HSCN", &dev->hs_hcnt, &dev->hs_lcnt,
-                                  &dev->sda_hold_time);
+               dev->sda_hold_time = hs_ht;
                break;
        case 400000:
        default:
-               dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt,
-                                  &dev->sda_hold_time);
+               dev->sda_hold_time = fs_ht;
                break;
        }
 
@@ -157,6 +159,8 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = {
        { "AMDI0010", ACCESS_INTR_MASK },
        { "AMDI0510", 0 },
        { "APMC0D0F", 0 },
+       { "HISI02A1", 0 },
+       { "HISI02A2", 0 },
        { }
 };
 MODULE_DEVICE_TABLE(acpi, dw_i2c_acpi_match);