From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@linaro.org (Shawn Guo) Date: Sun, 18 Sep 2011 19:54:10 +0800 Subject: [PATCH 2/4] net/fec: fix fec1 check in fec_enet_mii_init() In-Reply-To: <1316346852-17090-1-git-send-email-shawn.guo@linaro.org> References: <1316346852-17090-1-git-send-email-shawn.guo@linaro.org> Message-ID: <1316346852-17090-3-git-send-email-shawn.guo@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org In function fec_enet_mii_init(), it uses non-zero pdev->id as part of the condition to check the second fec instance (fec1). This works before the driver supports device tree probe. But in case of device tree probe, pdev->id is -1 which is also non-zero, so the logic becomes broken when device tree probe gets supported. The patch change the logic to check "pdev->id > 0" as the part of the condition for identifying fec1. Signed-off-by: Shawn Guo --- drivers/net/fec.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 6a638e9..5ef0e34 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -996,7 +996,7 @@ static int fec_enet_mii_init(struct platform_device *pdev) * mdio interface in board design, and need to be configured by * fec0 mii_bus. */ - if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && pdev->id) { + if ((id_entry->driver_data & FEC_QUIRK_ENET_MAC) && pdev->id > 0) { /* fec1 uses fec0 mii_bus */ fep->mii_bus = fec0_mii_bus; return 0; -- 1.7.4.1