[PATCH] mfd: sun6i-prcm: fix build warning for non-OF configurations

[Arnd Bergmann]

When CONFIG_OF is disabled, we get a harmless warning about an
unused variable:

drivers/mfd/sun6i-prcm.c: In function 'sun6i_prcm_probe':
drivers/mfd/sun6i-prcm.c:151:22: error: unused variable 'np' 
[-Werror=unused-variable]

Remove the variable and open-code the value in the only place
it is used, so it can get left out as well without CONFIG_OF.

Fixes: a05a2e7998ab ("mfd: sun6i-prcm: Allow to compile with COMPILE_TEST")
Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
 drivers/mfd/sun6i-prcm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mfd/sun6i-prcm.c b/drivers/mfd/sun6i-prcm.c
index 2b658bed47db..2f12a415b807 100644
--- a/drivers/mfd/sun6i-prcm.c
+++ b/drivers/mfd/sun6i-prcm.c
@@ -148,13 +148,12 @@ static const struct of_device_id sun6i_prcm_dt_ids[] = {
 
 static int sun6i_prcm_probe(struct platform_device *pdev)
 {
-       struct device_node *np = pdev->dev.of_node;
        const struct of_device_id *match;
        const struct prcm_data *data;
        struct resource *res;
        int ret;
 
-       match = of_match_node(sun6i_prcm_dt_ids, np);
+       match = of_match_node(sun6i_prcm_dt_ids, pdev->dev.of_node);
        if (!match)
                return -EINVAL;
 
-- 
2.20.0