diff options
| author | Alexey Brodkin <[email protected]> | 2015-01-13 17:10:24 +0300 |
|---|---|---|
| committer | Joe Hershberger <[email protected]> | 2015-01-30 15:55:00 -0600 |
| commit | 875143f32428b8317a2b890b34a1eeb31cbf8a53 (patch) | |
| tree | 13b69cdea9de9f38c19cc0ae1f69d44cf0bbca5e | |
| parent | b7a5b0843812b7bd4a225951ce11e7d14398395c (diff) | |
net/designware: add error message on DMA reset timeout
If for some reason DMA module fails to reset user oserves only this:
--->---
# dhcp
Trying dwmac.e0018000
FAIL
--->---
This message makes not much sense.
With proposed change error message will be more helpful:
--->---
# dhcp
Trying dwmac.e0018000
DMA reset timeout
FAIL
--->---
For example user may do power toggle to recover board functionality.
Signed-off-by: Alexey Brodkin <[email protected]>
Cc: Chin Liang See <[email protected]>
Cc: Dinh Nguyen <[email protected]>
Cc: Albert Aribaud <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Wolfgang Denk <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Joe Hershberger <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Marek Vasut <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Acked-by: Pavel Machek <[email protected]>
Acked-by: Joe Hershberger <[email protected]>
Signed-off-by: Joe Hershberger <[email protected]>
| -rw-r--r-- | drivers/net/designware.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/designware.c b/drivers/net/designware.c index 9ded8950b83..c03e935e2fb 100644 --- a/drivers/net/designware.c +++ b/drivers/net/designware.c @@ -236,8 +236,10 @@ static int dw_eth_init(struct eth_device *dev, bd_t *bis) start = get_timer(0); while (readl(&dma_p->busmode) & DMAMAC_SRST) { - if (get_timer(start) >= CONFIG_MACRESET_TIMEOUT) + if (get_timer(start) >= CONFIG_MACRESET_TIMEOUT) { + printf("DMA reset timeout\n"); return -1; + } mdelay(100); }; |