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net: xilinx_axi_emac: Use wait_for_bit instead of while loop

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Use wait_for_bit instead while loop during init

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
This commit is contained in:
Siva Durga Prasad Paladugu 2017-01-06 16:18:50 +05:30 committed by Michal Simek
parent 70c42b4ca4
commit d02a0b1fdf
1 changed files with 5 additions and 6 deletions
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11
drivers/net/xilinx_axi_emac.c
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@ -14,6 +14,7 @@
#include <asm/io.h>
#include <phy.h>
#include <miiphy.h>
#include <wait_bit.h>
DECLARE_GLOBAL_DATA_PTR;
@ -350,7 +351,7 @@ static void axiemac_stop(struct udevice *dev)
static int axi_ethernet_init(struct axidma_priv *priv)
{
struct axi_regs *regs = priv->iobase;
u32 timeout = 200;
int err;
/*
* Check the status of the MgtRdy bit in the interrupt status
@ -359,11 +360,9 @@ static int axi_ethernet_init(struct axidma_priv *priv)
* will be valid until this bit is valid.
* The bit is always a 1 for all other PHY interfaces.
*/
while (timeout && (!(in_be32(&regs->is) & XAE_INT_MGTRDY_MASK))) {
timeout--;
udelay(1);
}
if (!timeout) {
err = wait_for_bit(__func__, (const u32 *)&regs->is,
XAE_INT_MGTRDY_MASK, true, 200, false);
if (err) {
printf("%s: Timeout\n", __func__);
return 1;
}