[PATCH 1/4] mfd: ti_am335x_tscadc: store physical address

[Mugunthan V N]

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 <mugunthan...@ti.com>
---
 drivers/mfd/ti_am335x_tscadc.c       | 1 +
 include/linux/mfd/ti_am335x_tscadc.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index c8f027b..0f3fab4 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -183,6 +183,7 @@ static      int ti_tscadc_probe(struct platform_device 
*pdev)
                tscadc->irq = err;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       tscadc->tscadc_phys_base = res->start;
        tscadc->tscadc_base = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(tscadc->tscadc_base))
                return PTR_ERR(tscadc->tscadc_base);
diff --git a/include/linux/mfd/ti_am335x_tscadc.h 
b/include/linux/mfd/ti_am335x_tscadc.h
index 7f55b8b..e45a208 100644
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -155,6 +155,7 @@ struct ti_tscadc_dev {
        struct device *dev;
        struct regmap *regmap;
        void __iomem *tscadc_base;
+       phys_addr_t tscadc_phys_base;
        int irq;
        int used_cells; /* 1-2 */
        int tsc_wires;
-- 
2.10.0.129.g35f6318