diff options
Diffstat (limited to 'drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c')
-rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c index a18a9d1f1..05edb847c 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c @@ -122,7 +122,6 @@ static bool xgene_enet_rd_indirect(void __iomem *addr, void __iomem *rd, return true; } - static void xgene_enet_rd_mac(struct xgene_enet_pdata *pdata, u32 rd_addr, u32 *rd_data) { @@ -257,9 +256,11 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata) if (!xgene_ring_mgr_init(pdata)) return -ENODEV; - clk_prepare_enable(pdata->clk); - clk_disable_unprepare(pdata->clk); - clk_prepare_enable(pdata->clk); + if (!IS_ERR(pdata->clk)) { + clk_prepare_enable(pdata->clk); + clk_disable_unprepare(pdata->clk); + clk_prepare_enable(pdata->clk); + } xgene_enet_ecc_init(pdata); xgene_enet_config_ring_if_assoc(pdata); @@ -286,7 +287,8 @@ static void xgene_enet_xgcle_bypass(struct xgene_enet_pdata *pdata, static void xgene_enet_shutdown(struct xgene_enet_pdata *pdata) { - clk_disable_unprepare(pdata->clk); + if (!IS_ERR(pdata->clk)) + clk_disable_unprepare(pdata->clk); } static void xgene_enet_link_state(struct work_struct *work) |