clocksource: timer-ti-dm: Hook device platform data if not already assigned

In the case of device tree boot the device platform data is usually
NULL so hook the platform data obtained from the match.
As part of un-constify the platform_data pointer.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c
index 4496172b2927..70782a41c493 100644
--- a/drivers/clocksource/timer-ti-dm.c
+++ b/drivers/clocksource/timer-ti-dm.c
@@ -806,14 +806,16 @@ static int omap_dm_timer_probe(struct platform_device *pdev)
         struct omap_dm_timer *timer;
         struct resource *mem, *irq;
         struct device *dev = &pdev->dev;
-        const struct of_device_id *match;
         const struct dmtimer_platform_data *pdata;
         int ret;
 
-        match = of_match_device(of_match_ptr(omap_timer_match), dev);
-        pdata = match ? match->data : dev->platform_data;
+        pdata = of_device_get_match_data(dev);
+        if (!pdata)
+                pdata = dev_get_platdata(dev);
+        else
+                dev->platform_data = (void *)pdata;
 
-        if (!pdata && !dev->of_node) {
+        if (!pdata) {
                 dev_err(dev, "%s: no platform data.\n", __func__);
                 return -ENODEV;
         }