staging: greybus: simplify getting .drvdata

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c
index 83254a72a7bbbd34ea12167ae480e8620d37130a..8fe8b6e3543210b4fcdb88c9036b3377d1dba8cf 100644 (file)
--- a/drivers/staging/greybus/arche-platform.c
+++ b/drivers/staging/greybus/arche-platform.c
@@ -315,8 +315,7 @@ static ssize_t state_store(struct device *dev,
                           struct device_attribute *attr,
                           const char *buf, size_t count)
 {
-       struct platform_device *pdev = to_platform_device(dev);
-       struct arche_platform_drvdata *arche_pdata = platform_get_drvdata(pdev);
+       struct arche_platform_drvdata *arche_pdata = dev_get_drvdata(dev);
        int ret = 0;
 
        mutex_lock(&arche_pdata->platform_state_mutex);