Skip to content

S
Simple PCIe FMC carrier SPEC - Software
Commit 51cc96ed authored by Alessandro Rubini's avatar Alessandro Rubini
Browse files
Options

kernel/wr_nic: warn on endpoint access, LM32 does it 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent 6a294767
Hide whitespace changes
Inline Side-by-side
Showing with 21 additions and 0 deletions
kernel/wr_nic/endpoint.c
View file @ 51cc96ed
......@@ -27,6 +27,11 @@ int wrn_phy_read(struct net_device *dev, int phy_id, int location)
struct wrn_ep *ep = netdev_priv(dev);
u32 val;
if (1) {
WARN_ON(1); /* SPEC: no access */
return -1;
}
wrn_ep_write(ep, MDIO_CR, EP_MDIO_CR_ADDR_W(location));
while( (wrn_ep_read(ep, MDIO_ASR) & EP_MDIO_ASR_READY) == 0)
;
......@@ -39,6 +44,12 @@ void wrn_phy_write(struct net_device *dev, int phy_id, int location,
int value)
{
struct wrn_ep *ep = netdev_priv(dev);
if (1) {
WARN_ON(1); /* SPEC: no access */
return;
}
wrn_ep_write(ep, MDIO_CR,
EP_MDIO_CR_ADDR_W(location)
| EP_MDIO_CR_DATA_W(value)
......@@ -128,6 +139,9 @@ int wrn_ep_open(struct net_device *dev)
struct wrn_ep *ep = netdev_priv(dev);
unsigned long timerarg = (unsigned long)dev;
if (1)
return 0; /* No access to EP registers in the SPEC */
/* Prepare hardware registers: first config, then bring up */
writel(0
| EP_VCR0_QMODE_W(0x3) /* unqualified port */
......@@ -173,6 +187,13 @@ int wrn_ep_close(struct net_device *dev)
{
struct wrn_ep *ep = netdev_priv(dev);
if (1)
return 0; /* No access to EP registers in the SPEC */
/*
* Beware: the system loops in the del_timer_sync below if timer_setup
* had not been called either (see "if (1)" in ep_open above)
*/
writel(0, &ep->ep_regs->ECR);
del_timer_sync(&ep->ep_link_timer);
return 0;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment