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mfd: ti_am335x_tscadc: store physical address

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store the physical address of the device in its priv to use it
for DMA addressing in the client drivers.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Mugunthan V N 2016-10-05 14:34:40 +05:30 • committed by Jonathan Cameron
parent 1001354ca3
commit c9329d8638
2 changed files with 2 additions and 0 deletions
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1
drivers/mfd/ti_am335x_tscadc.c
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@ -183,6 +183,7 @@ static int ti_tscadc_probe(struct platform_device *pdev)
tscadc->irq = err; tscadc->irq = err;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
tscadc->tscadc_phys_base = res->start;
tscadc->tscadc_base = devm_ioremap_resource(&pdev->dev, res); tscadc->tscadc_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(tscadc->tscadc_base)) if (IS_ERR(tscadc->tscadc_base))
return PTR_ERR(tscadc->tscadc_base); return PTR_ERR(tscadc->tscadc_base);

1
include/linux/mfd/ti_am335x_tscadc.h
View file

@ -155,6 +155,7 @@ struct ti_tscadc_dev {
struct device *dev; struct device *dev;
struct regmap *regmap; struct regmap *regmap;
void __iomem *tscadc_base; void __iomem *tscadc_base;
phys_addr_t tscadc_phys_base;
int irq; int irq;
int used_cells; /* 1-2 */ int used_cells; /* 1-2 */
int tsc_wires; int tsc_wires;