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Date: Wed, 8 Nov 2017 15:52:22 +0800 From: Lipeng <lipeng321@...wei.com> To: <davem@...emloft.net> CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>, <yisen.zhuang@...wei.com>, <salil.mehta@...wei.com>, <lipeng321@...wei.com> Subject: [PATCH net-next 1/2] net: hns3: fix a bug when getting phy address from NCL_config file From: Fuyun Liang <liangfuyun1@...wei.com> Driver gets phy address from NCL_config file and uses the phy address to initialize phydev. There are 5 bits for phy address. And C22 phy address has 5 bits. So 0-31 are all valid address for phy. If there is no phy, it will crash. Because driver always get a valid phy address. This patch fixes the phy address to 8 bits, and use 0xff to indicate invalid phy address. Fixes: 46a3df9f9718 (net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support) Signed-off-by: Fuyun Liang <liangfuyun1@...wei.com> Signed-off-by: Lipeng <lipeng321@...wei.com> --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 844c83e..ce5ed88 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -390,7 +390,7 @@ struct hclge_pf_res_cmd { #define HCLGE_CFG_TQP_DESC_N_S 16 #define HCLGE_CFG_TQP_DESC_N_M GENMASK(31, 16) #define HCLGE_CFG_PHY_ADDR_S 0 -#define HCLGE_CFG_PHY_ADDR_M GENMASK(4, 0) +#define HCLGE_CFG_PHY_ADDR_M GENMASK(7, 0) #define HCLGE_CFG_MEDIA_TP_S 8 #define HCLGE_CFG_MEDIA_TP_M GENMASK(15, 8) #define HCLGE_CFG_RX_BUF_LEN_S 16 -- 1.9.1
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