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net: emaclite: Use indirect register access for TX reset 

Move to use indirect register access when timeout expires for resetting
TX buffers.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Michal Simek 2015-12-10 15:32:11 +01:00
parent 3af709092c
commit 5a4baa33e4
1 changed files with 3 additions and 3 deletions
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6
drivers/net/xilinx_emaclite.c
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@ -408,6 +408,7 @@ static int emaclite_send(struct eth_device *dev, void *ptr, int len)
u32 reg;
u32 baseaddress;
struct xemaclite *emaclite = dev->priv;
struct emaclite_regs *regs = emaclite->regs;
u32 maxtry = 1000;
@ -422,10 +423,9 @@ static int emaclite_send(struct eth_device *dev, void *ptr, int len)
if (!maxtry) {
printf("Error: Timeout waiting for ethernet TX buffer\n");
/* Restart PING TX */
out_be32 (dev->iobase + XEL_TSR_OFFSET, 0);
out_be32(&regs->tx_ping_tsr, 0);
if (emaclite->txpp) {
out_be32 (dev->iobase + XEL_TSR_OFFSET +
XEL_BUFFER_OFFSET, 0);
out_be32(&regs->tx_pong_tsr, 0);
}
return -1;
}