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liquidio: ddr timeout 

Adds support for ddr_timeout during device init.

Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <rvatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Raghu Vatsavayi 2016-06-21 22:53:15 -07:00 committed by David S. Miller
parent f5a20472e2
commit 4b129ae3b6
2 changed files with 9 additions and 7 deletions
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13
drivers/net/ethernet/cavium/liquidio/lio_main.c
View File

@ -3805,14 +3805,19 @@ static int octeon_device_init(struct octeon_device *octeon_dev)
dev_dbg(&octeon_dev->pci_dev->dev, "Waiting for DDR initialization...\n");
if (ddr_timeout == 0) {
dev_info(&octeon_dev->pci_dev->dev,
"WAITING. Set ddr_timeout to non-zero value to proceed with initialization.\n");
}
if (ddr_timeout == 0)
dev_info(&octeon_dev->pci_dev->dev, "WAITING. Set ddr_timeout to non-zero value to proceed with initialization.\n");
schedule_timeout_uninterruptible(HZ * LIO_RESET_SECS);
/* Wait for the octeon to initialize DDR after the soft-reset. */
while (ddr_timeout == 0) {
set_current_state(TASK_INTERRUPTIBLE);
if (schedule_timeout(HZ / 10)) {
/* user probably pressed Control-C */
return 1;
}
}
ret = octeon_wait_for_ddr_init(octeon_dev, &ddr_timeout);
if (ret) {
dev_err(&octeon_dev->pci_dev->dev,

3
drivers/net/ethernet/cavium/liquidio/octeon_device.c
View File

@ -1284,9 +1284,6 @@ int octeon_wait_for_ddr_init(struct octeon_device *oct, u32 *timeout)
if (!timeout)
return ret;
while (*timeout == 0)
schedule_timeout_uninterruptible(HZ / 10);
for (ms = 0; (ret != 0) && ((*timeout == 0) || (ms <= *timeout));
ms += HZ / 10) {
ret = octeon_mem_access_ok(oct);