diff options
| author |   Murali Karicheri <m-karicheri2@ti.com> | 2018-04-17 17:30:40 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-04-18 21:00:57 -0400 |
| commit | 21f706bb10cf7d905d89ceb3f689b8b844520127 (patch) | |
| tree | a4ad4017c9850ab1c5c7229adc92e03ec2c33cbe /drivers | |
| parent | Revert "net: netcp: remove dead code from the driver" (diff) | |
| download | linux-dev-21f706bb10cf7d905d89ceb3f689b8b844520127.tar.xz linux-dev-21f706bb10cf7d905d89ceb3f689b8b844520127.zip | |
net: netcp: support probe deferral
The netcp driver shouldn't proceed until the knav qmss and dma
devices are ready. So return -EPROBE_DEFER if these devices are not
ready.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/ti/netcp_core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 9c51b25d7fd0..736f6f713c09 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -2158,6 +2158,10 @@ static int netcp_probe(struct platform_device *pdev) struct netcp_module *module; int ret; + if (!knav_dma_device_ready() || + !knav_qmss_device_ready()) + return -EPROBE_DEFER; + if (!node) { dev_err(dev, "could not find device info\n"); return -ENODEV; |