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Commit 5091f0c9 authored by Anton Blanchard's avatar Anton Blanchard Committed by Benjamin Herrenschmidt
Browse files

powerpc/pseries: Fix PCIE link speed endian issue 



We need to byteswap ibm,pcie-link-speed-stats.

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 9fa2984d

arch/powerpc/platforms/pseries/pci.c

+4 −4
Original line number Diff line number Diff line
@@ -113,7 +113,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge) 
{

	struct device_node *dn, *pdn;

	struct pci_bus *bus;

	const uint32_t *pcie_link_speed_stats;

	const __be32 *pcie_link_speed_stats;



	bus = bridge->bus;
@@ -122,7 +122,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge) 
		return 0;



	for (pdn = dn; pdn != NULL; pdn = of_get_next_parent(pdn)) {

		pcie_link_speed_stats = (const uint32_t *) of_get_property(pdn,

		pcie_link_speed_stats = of_get_property(pdn,

			"ibm,pcie-link-speed-stats", NULL);

		if (pcie_link_speed_stats)

			break;
@@ -135,7 +135,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge) 
		return 0;

	}



	switch (pcie_link_speed_stats[0]) {

	switch (be32_to_cpup(pcie_link_speed_stats)) {

	case 0x01:

		bus->max_bus_speed = PCIE_SPEED_2_5GT;

		break;
@@ -147,7 +147,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge) 
		break;

	}



	switch (pcie_link_speed_stats[1]) {

	switch (be32_to_cpup(pcie_link_speed_stats)) {

	case 0x01:

		bus->cur_bus_speed = PCIE_SPEED_2_5GT;

		break;