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-rw-r--r--drivers/i2c/busses/i2c-designware-platdrv.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index f2acd4b6bf01..6283b99d2b17 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -96,6 +96,7 @@ static int dw_i2c_acpi_configure(struct platform_device *pdev)
96 struct dw_i2c_dev *dev = platform_get_drvdata(pdev); 96 struct dw_i2c_dev *dev = platform_get_drvdata(pdev);
97 acpi_handle handle = ACPI_HANDLE(&pdev->dev); 97 acpi_handle handle = ACPI_HANDLE(&pdev->dev);
98 const struct acpi_device_id *id; 98 const struct acpi_device_id *id;
99 u32 ss_ht, fp_ht, hs_ht, fs_ht;
99 struct acpi_device *adev; 100 struct acpi_device *adev;
100 const char *uid; 101 const char *uid;
101 102
@@ -107,23 +108,24 @@ static int dw_i2c_acpi_configure(struct platform_device *pdev)
107 * Try to get SDA hold time and *CNT values from an ACPI method for 108 * Try to get SDA hold time and *CNT values from an ACPI method for
108 * selected speed modes. 109 * selected speed modes.
109 */ 110 */
111 dw_i2c_acpi_params(pdev, "SSCN", &dev->ss_hcnt, &dev->ss_lcnt, &ss_ht);
112 dw_i2c_acpi_params(pdev, "FPCN", &dev->fp_hcnt, &dev->fp_lcnt, &fp_ht);
113 dw_i2c_acpi_params(pdev, "HSCN", &dev->hs_hcnt, &dev->hs_lcnt, &hs_ht);
114 dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt, &fs_ht);
115
110 switch (dev->clk_freq) { 116 switch (dev->clk_freq) {
111 case 100000: 117 case 100000:
112 dw_i2c_acpi_params(pdev, "SSCN", &dev->ss_hcnt, &dev->ss_lcnt, 118 dev->sda_hold_time = ss_ht;
113 &dev->sda_hold_time);
114 break; 119 break;
115 case 1000000: 120 case 1000000:
116 dw_i2c_acpi_params(pdev, "FPCN", &dev->fp_hcnt, &dev->fp_lcnt, 121 dev->sda_hold_time = fp_ht;
117 &dev->sda_hold_time);
118 break; 122 break;
119 case 3400000: 123 case 3400000:
120 dw_i2c_acpi_params(pdev, "HSCN", &dev->hs_hcnt, &dev->hs_lcnt, 124 dev->sda_hold_time = hs_ht;
121 &dev->sda_hold_time);
122 break; 125 break;
123 case 400000: 126 case 400000:
124 default: 127 default:
125 dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt, 128 dev->sda_hold_time = fs_ht;
126 &dev->sda_hold_time);
127 break; 129 break;
128 } 130 }
129 131