[PATCH v6 1/2] PCI: cadence: Retrain Link to work around Gen2 training defect.
Nadeem Athani
nadeem at cadence.com
Mon Dec 28 09:05:09 EST 2020
Moving the function above to remove compilation error.
No changes in function.
Signed-off-by: Nadeem Athani <nadeem at cadence.com>
---
drivers/pci/controller/cadence/pcie-cadence-host.c | 33 +++++++++++-----------
1 file changed, 16 insertions(+), 17 deletions(-)
diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
index 811c1cb2e8de..9f7aa718c8d4 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-host.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
@@ -77,6 +77,22 @@ static struct pci_ops cdns_pcie_host_ops = {
.write = pci_generic_config_write,
};
+static int cdns_pcie_host_wait_for_link(struct cdns_pcie *pcie)
+{
+ struct device *dev = pcie->dev;
+ int retries;
+
+ /* Check if the link is up or not */
+ for (retries = 0; retries < LINK_WAIT_MAX_RETRIES; retries++) {
+ if (cdns_pcie_link_up(pcie)) {
+ dev_info(dev, "Link up\n");
+ return 0;
+ }
+ usleep_range(LINK_WAIT_USLEEP_MIN, LINK_WAIT_USLEEP_MAX);
+ }
+
+ return -ETIMEDOUT;
+}
static int cdns_pcie_host_init_root_port(struct cdns_pcie_rc *rc)
{
@@ -398,23 +414,6 @@ static int cdns_pcie_host_init(struct device *dev,
return cdns_pcie_host_init_address_translation(rc);
}
-static int cdns_pcie_host_wait_for_link(struct cdns_pcie *pcie)
-{
- struct device *dev = pcie->dev;
- int retries;
-
- /* Check if the link is up or not */
- for (retries = 0; retries < LINK_WAIT_MAX_RETRIES; retries++) {
- if (cdns_pcie_link_up(pcie)) {
- dev_info(dev, "Link up\n");
- return 0;
- }
- usleep_range(LINK_WAIT_USLEEP_MIN, LINK_WAIT_USLEEP_MAX);
- }
-
- return -ETIMEDOUT;
-}
-
int cdns_pcie_host_setup(struct cdns_pcie_rc *rc)
{
struct device *dev = rc->pcie.dev;
--
2.15.0
More information about the linux-arm-kernel
mailing list