Merge branch 'timers/posix-cpu-timers-for-tglx' of

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into timers/core

Frederic sayed: "Most of these patches have been hanging around for
several month now, in -mmotm for a significant chunk. They already
missed a few releases."

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 11 insertions, 16 deletions

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 3937aaae5bc4..9c9d15e4cdf2 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -68,16 +68,6 @@ define_pe_printk_level(pe_err, KERN_ERR);
 define_pe_printk_level(pe_warn, KERN_WARNING);
 define_pe_printk_level(pe_info, KERN_INFO);
 
-static struct pci_dn *pnv_ioda_get_pdn(struct pci_dev *dev)
-{
-	struct device_node *np;
-
-	np = pci_device_to_OF_node(dev);
-	if (!np)
-		return NULL;
-	return PCI_DN(np);
-}
-
 static int pnv_ioda_alloc_pe(struct pnv_phb *phb)
 {
 	unsigned long pe;
@@ -110,7 +100,7 @@ static struct pnv_ioda_pe *pnv_ioda_get_pe(struct pci_dev *dev)
 {
 	struct pci_controller *hose = pci_bus_to_host(dev->bus);
 	struct pnv_phb *phb = hose->private_data;
-	struct pci_dn *pdn = pnv_ioda_get_pdn(dev);
+	struct pci_dn *pdn = pci_get_pdn(dev);
 
 	if (!pdn)
 		return NULL;
@@ -173,7 +163,7 @@ static int pnv_ioda_configure_pe(struct pnv_phb *phb, struct pnv_ioda_pe *pe)
 
 	/* Add to all parents PELT-V */
 	while (parent) {
-		struct pci_dn *pdn = pnv_ioda_get_pdn(parent);
+		struct pci_dn *pdn = pci_get_pdn(parent);
 		if (pdn && pdn->pe_number != IODA_INVALID_PE) {
 			rc = opal_pci_set_peltv(phb->opal_id, pdn->pe_number,
 						pe->pe_number, OPAL_ADD_PE_TO_DOMAIN);
@@ -252,7 +242,7 @@ static struct pnv_ioda_pe *pnv_ioda_setup_dev_PE(struct pci_dev *dev)
 {
 	struct pci_controller *hose = pci_bus_to_host(dev->bus);
 	struct pnv_phb *phb = hose->private_data;
-	struct pci_dn *pdn = pnv_ioda_get_pdn(dev);
+	struct pci_dn *pdn = pci_get_pdn(dev);
 	struct pnv_ioda_pe *pe;
 	int pe_num;
 
@@ -323,7 +313,7 @@ static void pnv_ioda_setup_same_PE(struct pci_bus *bus, struct pnv_ioda_pe *pe)
 	struct pci_dev *dev;
 
 	list_for_each_entry(dev, &bus->devices, bus_list) {
-		struct pci_dn *pdn = pnv_ioda_get_pdn(dev);
+		struct pci_dn *pdn = pci_get_pdn(dev);
 
 		if (pdn == NULL) {
 			pr_warn("%s: No device node associated with device !\n",
@@ -436,7 +426,7 @@ static void pnv_pci_ioda_setup_PEs(void)
 
 static void pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb, struct pci_dev *pdev)
 {
-	struct pci_dn *pdn = pnv_ioda_get_pdn(pdev);
+	struct pci_dn *pdn = pci_get_pdn(pdev);
 	struct pnv_ioda_pe *pe;
 
 	/*
@@ -768,6 +758,7 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev,
 				  unsigned int is_64, struct msi_msg *msg)
 {
 	struct pnv_ioda_pe *pe = pnv_ioda_get_pe(dev);
+	struct pci_dn *pdn = pci_get_pdn(dev);
 	struct irq_data *idata;
 	struct irq_chip *ichip;
 	unsigned int xive_num = hwirq - phb->msi_base;
@@ -783,6 +774,10 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev,
 	if (pe->mve_number < 0)
 		return -ENXIO;
 
+	/* Force 32-bit MSI on some broken devices */
+	if (pdn && pdn->force_32bit_msi)
+		is_64 = 0;
+
 	/* Assign XIVE to PE */
 	rc = opal_pci_set_xive_pe(phb->opal_id, pe->pe_number, xive_num);
 	if (rc) {
@@ -1035,7 +1030,7 @@ static int pnv_pci_enable_device_hook(struct pci_dev *dev)
 	if (!phb->initialized)
 		return 0;
 
-	pdn = pnv_ioda_get_pdn(dev);
+	pdn = pci_get_pdn(dev);
 	if (!pdn || pdn->pe_number == IODA_INVALID_PE)
 		return -EINVAL;