diff options
| author | wangyufen <wangyufen@huawei.com> | 2015-09-29 10:36:44 +0800 |
|---|---|---|
| committer | Sherlock Wang <sherlock.wang@139.com> | 2015-11-06 15:51:15 +0800 |
| commit | 5fd48b1c8c3c31ec986d27800e3ea50c89454e6e (patch) | |
| tree | 08e3addd4d0f1c84c5e2ac4067bab5377ad08810 | |
| parent | 1276c8f2f35654aef2399ff66fd85358cfc2889c (diff) | |
pcie: add 1s delay between link and enumeration
Signed-off-by: Jukuo Zhang <zhangjukuo@huawei.com>
Signed-off-by: wangyufen <wangyufen@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
| -rw-r--r-- | drivers/pci/host/pcie-hisi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/host/pcie-hisi.c b/drivers/pci/host/pcie-hisi.c index e7a44bf95316..2f2f9fdabb8b 100644 --- a/drivers/pci/host/pcie-hisi.c +++ b/drivers/pci/host/pcie-hisi.c @@ -410,7 +410,9 @@ static int hisi_pcie_establish_link(struct pcie_port *pp) } } - mdelay(800); + /*add a 1s delay between linkup and enumeration,make sure + the EP device'sconfiguration registers are prepared well */ + mdelay(999); dev_info(pp->dev, "Link up\n"); return 0; |