summaryrefslogtreecommitdiffstats
path: root/arch/powerpc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/io.h12
-rw-r--r--arch/powerpc/include/asm/iommu.h17
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h2
-rw-r--r--arch/powerpc/include/asm/pgalloc.h3
-rw-r--r--arch/powerpc/include/asm/tlb.h1
-rw-r--r--arch/powerpc/kernel/dma-iommu.c8
-rw-r--r--arch/powerpc/kernel/eeh_sysfs.c2
-rw-r--r--arch/powerpc/kernel/iommu.c16
-rw-r--r--arch/powerpc/kernel/pci_64.c10
-rw-r--r--arch/powerpc/kernel/vdso32/getcpu.S4
-rw-r--r--arch/powerpc/mm/hugetlbpage.c2
-rw-r--r--arch/powerpc/platforms/cell/iommu.c9
-rw-r--r--arch/powerpc/platforms/powernv/opal-hmi.c2
-rw-r--r--arch/powerpc/platforms/powernv/opal-sensor.c20
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c5
-rw-r--r--arch/powerpc/platforms/powernv/pci.c3
-rw-r--r--arch/powerpc/platforms/pseries/msi.c2
-rw-r--r--arch/powerpc/xmon/xmon.c6
18 files changed, 69 insertions, 55 deletions
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 97d3869991ca..9eaf301ac952 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -617,10 +617,14 @@ static inline void name at \
/*
* We don't do relaxed operations yet, at least not with this semantic
*/
-#define readb_relaxed(addr) readb(addr)
-#define readw_relaxed(addr) readw(addr)
-#define readl_relaxed(addr) readl(addr)
-#define readq_relaxed(addr) readq(addr)
+#define readb_relaxed(addr) readb(addr)
+#define readw_relaxed(addr) readw(addr)
+#define readl_relaxed(addr) readl(addr)
+#define readq_relaxed(addr) readq(addr)
+#define writeb_relaxed(v, addr) writeb(v, addr)
+#define writew_relaxed(v, addr) writew(v, addr)
+#define writel_relaxed(v, addr) writel(v, addr)
+#define writeq_relaxed(v, addr) writeq(v, addr)
#ifdef CONFIG_PPC32
#define mmiowb()
diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h
index 42632c7a2a4e..9cfa3706a1b8 100644
--- a/arch/powerpc/include/asm/iommu.h
+++ b/arch/powerpc/include/asm/iommu.h
@@ -137,13 +137,16 @@ static inline void set_iommu_table_base_and_group(struct device *dev,
iommu_add_device(dev);
}
-extern int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
- struct scatterlist *sglist, int nelems,
- unsigned long mask, enum dma_data_direction direction,
- struct dma_attrs *attrs);
-extern void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist,
- int nelems, enum dma_data_direction direction,
- struct dma_attrs *attrs);
+extern int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl,
+ struct scatterlist *sglist, int nelems,
+ unsigned long mask,
+ enum dma_data_direction direction,
+ struct dma_attrs *attrs);
+extern void ppc_iommu_unmap_sg(struct iommu_table *tbl,
+ struct scatterlist *sglist,
+ int nelems,
+ enum dma_data_direction direction,
+ struct dma_attrs *attrs);
extern void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl,
size_t size, dma_addr_t *dma_handle,
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 4ca90a39d6d0..725247beebec 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -159,8 +159,6 @@ struct pci_dn {
int pci_ext_config_space; /* for pci devices */
- bool force_32bit_msi;
-
struct pci_dev *pcidev; /* back-pointer to the pci device */
#ifdef CONFIG_EEH
struct eeh_dev *edev; /* eeh device */
diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h
index e9a9f60e596d..fc3ee06eab87 100644
--- a/arch/powerpc/include/asm/pgalloc.h
+++ b/arch/powerpc/include/asm/pgalloc.h
@@ -3,7 +3,6 @@
#ifdef __KERNEL__
#include <linux/mm.h>
-#include <asm-generic/tlb.h>
#ifdef CONFIG_PPC_BOOK3E
extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address);
@@ -14,6 +13,8 @@ static inline void tlb_flush_pgtable(struct mmu_gather *tlb,
}
#endif /* !CONFIG_PPC_BOOK3E */
+extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
+
#ifdef CONFIG_PPC64
#include <asm/pgalloc-64.h>
#else
diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h
index e2b428b0f7ba..20733fa518ae 100644
--- a/arch/powerpc/include/asm/tlb.h
+++ b/arch/powerpc/include/asm/tlb.h
@@ -27,6 +27,7 @@
#define tlb_start_vma(tlb, vma) do { } while (0)
#define tlb_end_vma(tlb, vma) do { } while (0)
+#define __tlb_remove_tlb_entry __tlb_remove_tlb_entry
extern void tlb_flush(struct mmu_gather *tlb);
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 54d0116256f7..4c68bfe4108a 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -60,16 +60,16 @@ static int dma_iommu_map_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- return iommu_map_sg(dev, get_iommu_table_base(dev), sglist, nelems,
- device_to_mask(dev), direction, attrs);
+ return ppc_iommu_map_sg(dev, get_iommu_table_base(dev), sglist, nelems,
+ device_to_mask(dev), direction, attrs);
}
static void dma_iommu_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction,
struct dma_attrs *attrs)
{
- iommu_unmap_sg(get_iommu_table_base(dev), sglist, nelems, direction,
- attrs);
+ ppc_iommu_unmap_sg(get_iommu_table_base(dev), sglist, nelems,
+ direction, attrs);
}
/* We support DMA to/from any memory page via the iommu */
diff --git a/arch/powerpc/kernel/eeh_sysfs.c b/arch/powerpc/kernel/eeh_sysfs.c
index f19b1e5cb060..1ceecdda810b 100644
--- a/arch/powerpc/kernel/eeh_sysfs.c
+++ b/arch/powerpc/kernel/eeh_sysfs.c
@@ -65,7 +65,7 @@ static ssize_t eeh_pe_state_show(struct device *dev,
return -ENODEV;
state = eeh_ops->get_state(edev->pe, NULL);
- return sprintf(buf, "%0x08x %0x08x\n",
+ return sprintf(buf, "0x%08x 0x%08x\n",
state, edev->pe->state);
}
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index a10642a0d861..a83cf5ef6488 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -428,10 +428,10 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
ppc_md.tce_flush(tbl);
}
-int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
- struct scatterlist *sglist, int nelems,
- unsigned long mask, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl,
+ struct scatterlist *sglist, int nelems,
+ unsigned long mask, enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
dma_addr_t dma_next = 0, dma_addr;
struct scatterlist *s, *outs, *segstart;
@@ -539,7 +539,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
DBG("mapped %d elements:\n", outcount);
- /* For the sake of iommu_unmap_sg, we clear out the length in the
+ /* For the sake of ppc_iommu_unmap_sg, we clear out the length in the
* next entry of the sglist if we didn't fill the list completely
*/
if (outcount < incount) {
@@ -572,9 +572,9 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
}
-void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist,
- int nelems, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+void ppc_iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist,
+ int nelems, enum dma_data_direction direction,
+ struct dma_attrs *attrs)
{
struct scatterlist *sg;
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 155013da27e0..b15194e2c5fc 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -266,13 +266,3 @@ int pcibus_to_node(struct pci_bus *bus)
}
EXPORT_SYMBOL(pcibus_to_node);
#endif
-
-static void quirk_radeon_32bit_msi(struct pci_dev *dev)
-{
- struct pci_dn *pdn = pci_get_pdn(dev);
-
- if (pdn)
- pdn->force_32bit_msi = true;
-}
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x68f2, quirk_radeon_32bit_msi);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0xaa68, quirk_radeon_32bit_msi);
diff --git a/arch/powerpc/kernel/vdso32/getcpu.S b/arch/powerpc/kernel/vdso32/getcpu.S
index 23eb9a9441bd..c62be60c7274 100644
--- a/arch/powerpc/kernel/vdso32/getcpu.S
+++ b/arch/powerpc/kernel/vdso32/getcpu.S
@@ -30,8 +30,8 @@
V_FUNCTION_BEGIN(__kernel_getcpu)
.cfi_startproc
mfspr r5,SPRN_SPRG_VDSO_READ
- cmpdi cr0,r3,0
- cmpdi cr1,r4,0
+ cmpwi cr0,r3,0
+ cmpwi cr1,r4,0
clrlwi r6,r5,16
rlwinm r7,r5,16,31-15,31-0
beq cr0,1f
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 7e70ae968e5f..6a4a5fcb9730 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -517,8 +517,6 @@ static void free_hugepd_range(struct mmu_gather *tlb, hugepd_t *hpdp, int pdshif
for (i = 0; i < num_hugepd; i++, hpdp++)
hpdp->pd = 0;
- tlb->need_flush = 1;
-
#ifdef CONFIG_PPC_FSL_BOOK3E
hugepd_free(tlb, hugepte);
#else
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 2b90ff8a93be..c7c8720aa39f 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -621,8 +621,9 @@ static int dma_fixed_map_sg(struct device *dev, struct scatterlist *sg,
if (iommu_fixed_is_weak == dma_get_attr(DMA_ATTR_WEAK_ORDERING, attrs))
return dma_direct_ops.map_sg(dev, sg, nents, direction, attrs);
else
- return iommu_map_sg(dev, cell_get_iommu_table(dev), sg, nents,
- device_to_mask(dev), direction, attrs);
+ return ppc_iommu_map_sg(dev, cell_get_iommu_table(dev), sg,
+ nents, device_to_mask(dev),
+ direction, attrs);
}
static void dma_fixed_unmap_sg(struct device *dev, struct scatterlist *sg,
@@ -632,8 +633,8 @@ static void dma_fixed_unmap_sg(struct device *dev, struct scatterlist *sg,
if (iommu_fixed_is_weak == dma_get_attr(DMA_ATTR_WEAK_ORDERING, attrs))
dma_direct_ops.unmap_sg(dev, sg, nents, direction, attrs);
else
- iommu_unmap_sg(cell_get_iommu_table(dev), sg, nents, direction,
- attrs);
+ ppc_iommu_unmap_sg(cell_get_iommu_table(dev), sg, nents,
+ direction, attrs);
}
static int dma_fixed_dma_supported(struct device *dev, u64 mask)
diff --git a/arch/powerpc/platforms/powernv/opal-hmi.c b/arch/powerpc/platforms/powernv/opal-hmi.c
index 5e1ed1575aab..b322bfb51343 100644
--- a/arch/powerpc/platforms/powernv/opal-hmi.c
+++ b/arch/powerpc/platforms/powernv/opal-hmi.c
@@ -57,7 +57,7 @@ static void print_hmi_event_info(struct OpalHMIEvent *hmi_evt)
};
/* Print things out */
- if (hmi_evt->version != OpalHMIEvt_V1) {
+ if (hmi_evt->version < OpalHMIEvt_V1) {
pr_err("HMI Interrupt, Unknown event version %d !\n",
hmi_evt->version);
return;
diff --git a/arch/powerpc/platforms/powernv/opal-sensor.c b/arch/powerpc/platforms/powernv/opal-sensor.c
index 10271ad1fac4..4ab67ef7abc9 100644
--- a/arch/powerpc/platforms/powernv/opal-sensor.c
+++ b/arch/powerpc/platforms/powernv/opal-sensor.c
@@ -20,7 +20,9 @@
#include <linux/delay.h>
#include <linux/mutex.h>
+#include <linux/of_platform.h>
#include <asm/opal.h>
+#include <asm/machdep.h>
static DEFINE_MUTEX(opal_sensor_mutex);
@@ -64,3 +66,21 @@ out:
return ret;
}
EXPORT_SYMBOL_GPL(opal_get_sensor_data);
+
+static __init int opal_sensor_init(void)
+{
+ struct platform_device *pdev;
+ struct device_node *sensor;
+
+ sensor = of_find_node_by_path("/ibm,opal/sensors");
+ if (!sensor) {
+ pr_err("Opal node 'sensors' not found\n");
+ return -ENODEV;
+ }
+
+ pdev = of_platform_device_create(sensor, "opal-sensor", NULL);
+ of_node_put(sensor);
+
+ return PTR_ERR_OR_ZERO(pdev);
+}
+machine_subsys_initcall(powernv, opal_sensor_init);
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 468a0f23c7f2..3ba435ec3dcd 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1509,7 +1509,6 @@ 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);
unsigned int xive_num = hwirq - phb->msi_base;
__be32 data;
int rc;
@@ -1523,7 +1522,7 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev,
return -ENXIO;
/* Force 32-bit MSI on some broken devices */
- if (pdn && pdn->force_32bit_msi)
+ if (dev->no_64bit_msi)
is_64 = 0;
/* Assign XIVE to PE */
@@ -1997,7 +1996,7 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
if (is_kdump_kernel()) {
pr_info(" Issue PHB reset ...\n");
ioda_eeh_phb_reset(hose, EEH_RESET_FUNDAMENTAL);
- ioda_eeh_phb_reset(hose, OPAL_DEASSERT_RESET);
+ ioda_eeh_phb_reset(hose, EEH_RESET_DEACTIVATE);
}
/* Configure M64 window */
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index b2187d0068b8..4b20f2c6b3b2 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -50,7 +50,6 @@ static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
{
struct pci_controller *hose = pci_bus_to_host(pdev->bus);
struct pnv_phb *phb = hose->private_data;
- struct pci_dn *pdn = pci_get_pdn(pdev);
struct msi_desc *entry;
struct msi_msg msg;
int hwirq;
@@ -60,7 +59,7 @@ static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
if (WARN_ON(!phb) || !phb->msi_bmp.bitmap)
return -ENODEV;
- if (pdn && pdn->force_32bit_msi && !phb->msi32_support)
+ if (pdev->no_64bit_msi && !phb->msi32_support)
return -ENODEV;
list_for_each_entry(entry, &pdev->msi_list, list) {
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 8ab5add4ac82..8b909e94fd9a 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -420,7 +420,7 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec_in, int type)
*/
again:
if (type == PCI_CAP_ID_MSI) {
- if (pdn->force_32bit_msi) {
+ if (pdev->no_64bit_msi) {
rc = rtas_change_msi(pdn, RTAS_CHANGE_32MSI_FN, nvec);
if (rc < 0) {
/*
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index b988b5addf86..c8efbb37d6e0 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -293,10 +293,10 @@ static inline void disable_surveillance(void)
args.token = rtas_token("set-indicator");
if (args.token == RTAS_UNKNOWN_SERVICE)
return;
- args.nargs = 3;
- args.nret = 1;
+ args.nargs = cpu_to_be32(3);
+ args.nret = cpu_to_be32(1);
args.rets = &args.args[3];
- args.args[0] = SURVEILLANCE_TOKEN;
+ args.args[0] = cpu_to_be32(SURVEILLANCE_TOKEN);
args.args[1] = 0;
args.args[2] = 0;
enter_rtas(__pa(&args));
OpenPOWER on IntegriCloud