From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bert Vermeulen Subject: [PATCH] net: mdio-gpio: Allow for unspecified bus id Date: Fri, 8 May 2015 16:18:49 +0200 Message-ID: <1431094729-21775-1-git-send-email-bert@biot.com> Cc: Bert Vermeulen To: f.fainelli@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org When the bus id was supplied via a struct platform_device, the driver wasn't handling -1 to mean an unspecified id of the only instance of this driver, as the platform spec requires. Signed-off-by: Bert Vermeulen --- drivers/net/phy/mdio-gpio.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index f5cddf5..7bd90db 100644 --- a/drivers/net/phy/mdio-gpio.c +++ b/drivers/net/phy/mdio-gpio.c @@ -165,7 +165,10 @@ static struct mii_bus *mdio_gpio_bus_init(struct device *dev, if (!new_bus->irq[i]) new_bus->irq[i] = PHY_POLL; - snprintf(new_bus->id, MII_BUS_ID_SIZE, "gpio-%x", bus_id); + if (bus_id != -1) + snprintf(new_bus->id, MII_BUS_ID_SIZE, "gpio-%x", bus_id); + else + strncpy(new_bus->id, "gpio", MII_BUS_ID_SIZE); if (devm_gpio_request(dev, bitbang->mdc, "mdc")) goto out_free_bus; -- 1.9.1