[PATCH] xilinx: Use time_before_eq()

[Manuel Schölling]

To be future-proof and for better readability the time comparisons are modified
to use time_before_eq() instead of plain, error-prone math.

Signed-off-by: Manuel Schölling <manuel.schoell...@gmx.de>
---
 drivers/net/ethernet/xilinx/ll_temac_main.c       |    2 +-
 drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c |    2 +-
 drivers/net/ethernet/xilinx/xilinx_emaclite.c     |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c 
b/drivers/net/ethernet/xilinx/ll_temac_main.c
index fa193c4..4ef818a 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -75,7 +75,7 @@ int temac_indirect_busywait(struct temac_local *lp)
        long end = jiffies + 2;
 
        while (!(temac_ior(lp, XTE_RDY0_OFFSET) & XTE_RDY0_HARD_ACS_RDY_MASK)) {
-               if (end - jiffies <= 0) {
+               if (time_before_eq(end, jiffies)) {
                        WARN_ON(1);
                        return -ETIMEDOUT;
                }
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c 
b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
index 64b4639..d4abf47 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c
@@ -22,7 +22,7 @@ int axienet_mdio_wait_until_ready(struct axienet_local *lp)
        long end = jiffies + 2;
        while (!(axienet_ior(lp, XAE_MDIO_MCR_OFFSET) &
                 XAE_MDIO_MCR_READY_MASK)) {
-               if (end - jiffies <= 0) {
+               if (time_before_eq(end, jiffies)) {
                        WARN_ON(1);
                        return -ETIMEDOUT;
                }
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c 
b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 0d87c67..8c4aed3 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -702,7 +702,7 @@ static int xemaclite_mdio_wait(struct net_local *lp)
        */
        while (__raw_readl(lp->base_addr + XEL_MDIOCTRL_OFFSET) &
                        XEL_MDIOCTRL_MDIOSTS_MASK) {
-               if (end - jiffies <= 0) {
+               if (time_before_eq(end, jiffies)) {
                        WARN_ON(1);
                        return -ETIMEDOUT;
                }
-- 
1.7.10.4

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