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authorSuman Tripathi <stripathi@apm.com>2015-06-23 14:47:17 +0530
committerDavid S. Miller <davem@davemloft.net>2015-06-23 07:19:21 -0700
commitc2d33bdc66e3b7db574e6b4864225cb341bffbcd (patch)
tree2831ea538e4b73fcae941506fb3a17de24df020a /drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
parentdrivers: net: xgene: Add ACPI support for SGMII0 and XFI1 interface of 2nd H/W version of APM X-Gene SoC ethernet controller. (diff)
downloadlinux-dev-c2d33bdc66e3b7db574e6b4864225cb341bffbcd.tar.xz
linux-dev-c2d33bdc66e3b7db574e6b4864225cb341bffbcd.zip
drivers: net: xgene: Check for IS_ERR rather than NULL for clock.
This patches fixes the code to check for IS_ERR rather than NULL for clock interface. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Suman Tripathi <stripathi@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_hw.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index 8ff736d5971c..a626c4315a89 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -610,7 +610,7 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
if (!xgene_ring_mgr_init(pdata))
return -ENODEV;
- if (pdata->clk) {
+ if (!IS_ERR(pdata->clk)) {
clk_prepare_enable(pdata->clk);
clk_disable_unprepare(pdata->clk);
clk_prepare_enable(pdata->clk);
@@ -629,7 +629,8 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
static void xgene_gport_shutdown(struct xgene_enet_pdata *pdata)
{
- clk_disable_unprepare(pdata->clk);
+ if (!IS_ERR(pdata->clk))
+ clk_disable_unprepare(pdata->clk);
}
static int xgene_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)