mwifiex: don't print an error if an optional DT property is missing

The Documentation/devicetree/bindings/net/wireless/marvell-sd8xxx.txt DT
binding document say that the "interrupts" property in the child node is
optional. So the property being missed shouldn't be treated as an error.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index c38d14f52643077c2a29fb4111c400bd3fc9ad4d..ba7a4936615e39c2796880ab45a2b5cd7264920e 100644 (file)
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -114,7 +114,7 @@ static int mwifiex_sdio_probe_of(struct device *dev, struct sdio_mmc_card *card)
        if (cfg && card->plt_of_node) {
                cfg->irq_wifi = irq_of_parse_and_map(card->plt_of_node, 0);
                if (!cfg->irq_wifi) {
-                       dev_err(dev,
+                       dev_dbg(dev,
                                "fail to parse irq_wifi from device tree\n");
                } else {
                        ret = devm_request_irq(dev, cfg->irq_wifi,