Commit b7c3d077 authored by Serge Semin's avatar Serge Semin Committed by Wolfram Sang
Browse files

i2c: designware: Move reg-space remapping into a dedicated function 



This is a preparation patch before adding a quirk with custom registers
map creation required for the Baikal-T1 System I2C support.

Signed-off-by: default avatarSerge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent fac25d7a

drivers/i2c/busses/i2c-designware-platdrv.c

+13 −5
Original line number Diff line number Diff line
@@ -108,6 +108,15 @@ static void dw_i2c_plat_pm_cleanup(struct dw_i2c_dev *dev) 
		pm_runtime_put_noidle(dev->dev);

}



static int dw_i2c_plat_request_regs(struct dw_i2c_dev *dev)

{

	struct platform_device *pdev = to_platform_device(dev->dev);



	dev->base = devm_platform_ioremap_resource(pdev, 0);



	return PTR_ERR_OR_ZERO(dev->base);

}



static int dw_i2c_plat_probe(struct platform_device *pdev)

{

	struct dw_i2c_platform_data *pdata = dev_get_platdata(&pdev->dev);
@@ -125,15 +134,14 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) 
		return -ENOMEM;



	dev->flags = (uintptr_t)device_get_match_data(&pdev->dev);



	dev->base = devm_platform_ioremap_resource(pdev, 0);

	if (IS_ERR(dev->base))

		return PTR_ERR(dev->base);



	dev->dev = &pdev->dev;

	dev->irq = irq;

	platform_set_drvdata(pdev, dev);



	ret = dw_i2c_plat_request_regs(dev);

	if (ret)

		return ret;



	dev->rst = devm_reset_control_get_optional_exclusive(&pdev->dev, NULL);

	if (IS_ERR(dev->rst))

		return PTR_ERR(dev->rst);

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