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The commit "stmmac: intel: Adding ref clock 1us tic for LPI cntr"
introduced a regression which leads to the kernel panic duing loading
of the dwmac_intel module.
Move the code block after pci resources is obtained.
Fixes: b4c5f83ae3f3 ("stmmac: intel: Adding ref clock 1us tic for LPI cntr")
Cc: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@intel.com>
Link: https://lore.kernel.org/r/20201029093228.1741-1-vee.khee.wong@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Rejecting non-native endian BTF overlapped with the addition
of support for it.
The rest were more simple overlapping changes, except the
renesas ravb binding update, which had to follow a file
move as well as a YAML conversion.
Signed-off-by: David S. Miller <davem@davemloft.net>
Adding reference clock (1us tic) for all LPI timer on Intel platforms.
The reference clock is derived from ptp clk. This also enables all LPI
counter.
Signed-off-by: Rusaimi Amira Ruslan <rusaimi.amira.rusaimi@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While unloading the dwmac-intel driver, clk_disable_unprepare() is
being called twice in stmmac_dvr_remove() and
intel_eth_pci_remove(). This causes kernel panic on the second call.
Removing the second call of clk_disable_unprepare() in
intel_eth_pci_remove().
Fixes: 09f012e64e4b ("stmmac: intel: Fix clock handling on error and remove paths")
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add option in plat_stmmacenet_data struct to enable VLAN Filter Fail
Queuing. This option allows packets that fail VLAN filter to be routed
to a specific Rx queue when Receive All is also set.
When this option is enabled:
- Enable VFFQ only when entering promiscuous mode, because Receive All
will pass up all rx packets that failed address filtering (similar to
promiscuous mode).
- VLAN-promiscuous mode is never entered to allow rx packet to fail VLAN
filters and get routed to selected VFFQ Rx queue.
Reviewed-by: Voon Weifeng <weifeng.voon@intel.com>
Reviewed-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Chuah, Kim Tatt <kim.tatt.chuah@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is no competition to get more LOCs into the kernel, and driver can look
better and have improved readability without those additional line breaks.
While at it, shorten info structures that they are all PCI, at the end it's
a PCI driver for Intel hardware.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are useless conditions like
func()
{
...
int ret;
...
ret = foo();
if (ret)
return ret;
return 0;
}
which may be replaced with direct return statement, what we have done here.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
pci_enable_msi() is deprecated API, thus, switch to modern
pci_alloc_irq_vectors().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Copy'n'paste without thinking is not a good idea and in this case it brought
unnecessary loop over PCI BAR resources which was needed to workaround one of
STMicro RVP boards. Remove unnecessary loops from Intel driver.
Fixes: 58da0cfa6cf1 ("net: stmmac: create dwmac-intel.c to contain all Intel platform")
Cc: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
clk_prepare_enable() might fail, we have to check its returned value.
Besides that we have to call clk_disable_unprepare() on the error and
remove paths. Do above in the dwmac-intel driver.
While at it, remove leftover in stmmac_pci and remove unneeded condition
for NULL-aware clk_unregister_fixed_rate() call.
Fixes: 58da0cfa6cf1 ("net: stmmac: create dwmac-intel.c to contain all Intel platform")
Cc: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is to enable Intel SERDES power up/down sequence. The SERDES
converts 8/10 bits data to SGMII signal. Below is an example of
HW configuration for SGMII mode. The SERDES is located in the PHY IF
in the diagram below.
<-----------------GBE Controller---------->|<--External PHY chip-->
+----------+ +----+ +---+ +----------+
| EQoS | <-GMII->| DW | < ------ > |PHY| <-SGMII-> | External |
| MAC | |xPCS| |IF | | PHY |
+----------+ +----+ +---+ +----------+
^ ^ ^ ^
| | | |
+---------------------MDIO-------------------------+
PHY IF configuration and status registers are accessible through
mdio address 0x15 which is defined as mdio_adhoc_addr. During D0,
The driver will need to power up PHY IF by changing the power state
to P0. Likewise, for D3, the driver sets PHY IF power state to P3.
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add EHL PSE0/1 RGMII & SGMII 1Gbps PCI info and PCI ID
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As stmmac_pci.c file is getting bigger and more complex, it is reasonable
to separate all the Intel specific dwmac pci device to a different file.
This move includes Intel Quark, TGL and EHL. A new kernel config
CONFIG_DWMAC_INTEL is introduced and depends on X86. For this initial
patch, all the necessary function such as probe() and exit() are identical
besides the function name.
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
