linux-kernel - [PATCH 6/6] mfd: PASIC3: supply clock_rate to DS1WM via driver

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Date:	Thu,  5 Feb 2009 17:53:40 +0100
From:	Philipp Zabel <philipp.zabel@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Samuel Ortiz <sameo@...nedhand.com>,
	Evgeniy Polyakov <johnpol@....mipt.ru>,
	Matt Reimer <mreimer@...p.net>,
	Philipp Zabel <philipp.zabel@...il.com>
Subject: [PATCH 6/6] mfd: PASIC3: supply clock_rate to DS1WM via driver_data

Signed-off-by: Philipp Zabel <philipp.zabel@...il.com>
---
 drivers/mfd/htc-pasic3.c |   22 +++++++++++++---------
 1 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/mfd/htc-pasic3.c b/drivers/mfd/htc-pasic3.c
index 92b6837..386da15 100644
--- a/drivers/mfd/htc-pasic3.c
+++ b/drivers/mfd/htc-pasic3.c
@@ -167,15 +167,19 @@ static int __init pasic3_probe(struct platform_device *pdev)
 	/* calculate bus shift from mem resource */
 	asic->bus_shift = (resource_size(r) - 5) >> 3;
 
-	/* the first 5 PASIC3 registers control the DS1WM */
-	ds1wm_resources[0].end = (5 << asic->bus_shift) - 1;
-	ds1wm_cell.platform_data = &ds1wm_cell;
-	ds1wm_cell.data_size = sizeof(ds1wm_cell);
-	ret = mfd_add_devices(&pdev->dev, pdev->id, &ds1wm_cell, 1, r, irq);
-	if (ret < 0)
-		dev_warn(dev, "failed to register DS1WM\n");
-
-	if (pdata->led_pdata) {
+	if (pdata && pdata->clock_rate) {
+		ds1wm_pdata.clock_rate = pdata->clock_rate;
+		/* the first 5 PASIC3 registers control the DS1WM */
+		ds1wm_resources[0].end = (5 << asic->bus_shift) - 1;
+		ds1wm_cell.platform_data = &ds1wm_cell;
+		ds1wm_cell.data_size = sizeof(ds1wm_cell);
+		ret = mfd_add_devices(&pdev->dev, pdev->id,
+				&ds1wm_cell, 1, r, irq);
+		if (ret < 0)
+			dev_warn(dev, "failed to register DS1WM\n");
+	}
+
+	if (pdata && pdata->led_pdata) {
 		led_cell.driver_data = pdata->led_pdata;
 		led_cell.platform_data = &led_cell;
 		led_cell.data_size = sizeof(ds1wm_cell);
-- 
1.5.6.5

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