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Message-ID: <20161003130318.12591-2-mugunthanvnm@ti.com>
Date:   Mon, 3 Oct 2016 18:33:15 +0530
From:   Mugunthan V N <mugunthanvnm@...com>
To:     <linux-iio@...r.kernel.org>
CC:     Tony Lindgren <tony@...mide.com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Lee Jones <lee.jones@...aro.org>, Vignesh R <vigneshr@...com>,
        "Andrew F . Davis" <afd@...com>, <linux-omap@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Sekhar Nori <nsekhar@...com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        John Syne <john3909@...il.com>,
        Mugunthan V N <mugunthanvnm@...com>
Subject: [PATCH v2 1/4] mfd: ti_am335x_tscadc: store physical address

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@...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;
-- 
2.10.0.372.g6fe1b14

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