diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-platdrv.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-platdrv.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 89ad88c54754..970c1c3b0402 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -168,6 +168,15 @@ static inline int dw_i2c_of_configure(struct platform_device *pdev) } #endif +static int txgbe_i2c_request_regs(struct dw_i2c_dev *dev) +{ + dev->map = dev_get_regmap(dev->dev->parent, NULL); + if (!dev->map) + return -ENODEV; + + return 0; +} + static void dw_i2c_plat_pm_cleanup(struct dw_i2c_dev *dev) { pm_runtime_disable(dev->dev); @@ -185,6 +194,9 @@ static int dw_i2c_plat_request_regs(struct dw_i2c_dev *dev) case MODEL_BAIKAL_BT1: ret = bt1_i2c_request_regs(dev); break; + case MODEL_WANGXUN_SP: + ret = txgbe_i2c_request_regs(dev); + break; default: dev->base = devm_platform_ioremap_resource(pdev, 0); ret = PTR_ERR_OR_ZERO(dev->base); @@ -277,6 +289,9 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) return -ENOMEM; dev->flags = (uintptr_t)device_get_match_data(&pdev->dev); + if (device_property_present(&pdev->dev, "wx,i2c-snps-model")) + dev->flags = MODEL_WANGXUN_SP; + dev->dev = &pdev->dev; dev->irq = irq; platform_set_drvdata(pdev, dev); @@ -384,7 +399,7 @@ exit_reset: return ret; } -static int dw_i2c_plat_remove(struct platform_device *pdev) +static void dw_i2c_plat_remove(struct platform_device *pdev) { struct dw_i2c_dev *dev = platform_get_drvdata(pdev); @@ -401,8 +416,6 @@ static int dw_i2c_plat_remove(struct platform_device *pdev) i2c_dw_remove_lock_support(dev); reset_control_assert(dev->rst); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -481,7 +494,7 @@ MODULE_ALIAS("platform:i2c_designware"); static struct platform_driver dw_i2c_driver = { .probe = dw_i2c_plat_probe, - .remove = dw_i2c_plat_remove, + .remove_new = dw_i2c_plat_remove, .driver = { .name = "i2c_designware", .of_match_table = of_match_ptr(dw_i2c_of_match), |