Automatic merge of 'next' into merge (2025-01-13 18:04)

Author: maddy-kerneldev

arch/powerpc/kernel/iommu.c

@@ -687,7 +687,7 @@ void iommu_table_clear(struct iommu_table *tbl)
 void iommu_table_reserve_pages(struct iommu_table *tbl,
 		unsigned long res_start, unsigned long res_end)
 {
-	int i;
+	unsigned long i;
 
 	WARN_ON_ONCE(res_end < res_start);
 	/*

arch/powerpc/kernel/prom_init.c

@@ -2792,7 +2792,6 @@ static void __init flatten_device_tree(void)
 		    dt_struct_start, dt_struct_end);
 }
 
-#ifdef CONFIG_PPC_CHRP
 /*
  * Pegasos and BriQ lacks the "ranges" property in the isa node
  * Pegasos needs decimal IRQ 14/15, not hexadecimal
@@ -2843,11 +2842,7 @@ static void __init fixup_device_tree_chrp(void)
 		}
 	}
 }
-#else
-#define fixup_device_tree_chrp()
-#endif
 
-#if defined(CONFIG_PPC64) && defined(CONFIG_PPC_PMAC)
 static void __init fixup_device_tree_pmac64(void)
 {
 	phandle u3, i2c, mpic;
@@ -2887,11 +2882,7 @@ static void __init fixup_device_tree_pmac64(void)
 	prom_setprop(i2c, "/u3@0,f8000000/i2c@f8001000", "interrupt-parent",
 		     &parent, sizeof(parent));
 }
-#else
-#define fixup_device_tree_pmac64()
-#endif
 
-#ifdef CONFIG_PPC_PMAC
 static void __init fixup_device_tree_pmac(void)
 {
 	__be32 val = 1;
@@ -2911,11 +2902,7 @@ static void __init fixup_device_tree_pmac(void)
 		prom_setprop(node, NULL, "#size-cells", &val, sizeof(val));
 	}
 }
-#else
-static inline void fixup_device_tree_pmac(void) { }
-#endif
 
-#ifdef CONFIG_PPC_EFIKA
 /*
  * The MPC5200 FEC driver requires an phy-handle property to tell it how
  * to talk to the phy.  If the phy-handle property is missing, then this
@@ -3047,11 +3034,7 @@ static void __init fixup_device_tree_efika(void)
 	/* Make sure ethernet phy-handle property exists */
 	fixup_device_tree_efika_add_phy();
 }
-#else
-#define fixup_device_tree_efika()
-#endif
 
-#ifdef CONFIG_PPC_PASEMI_NEMO
 /*
  * CFE supplied on Nemo is broken in several ways, biggest
  * problem is that it reassigns ISA interrupts to unused mpic ints.
@@ -3127,17 +3110,23 @@ static void __init fixup_device_tree_pasemi(void)
 
 	prom_setprop(iob, name, "device_type", "isa", sizeof("isa"));
 }
-#else	/* !CONFIG_PPC_PASEMI_NEMO */
-static inline void fixup_device_tree_pasemi(void) { }
-#endif
 
 static void __init fixup_device_tree(void)
 {
-	fixup_device_tree_chrp();
-	fixup_device_tree_pmac();
-	fixup_device_tree_pmac64();
-	fixup_device_tree_efika();
-	fixup_device_tree_pasemi();
+	if (IS_ENABLED(CONFIG_PPC_CHRP))
+		fixup_device_tree_chrp();
+
+	if (IS_ENABLED(CONFIG_PPC_PMAC))
+		fixup_device_tree_pmac();
+
+	if (IS_ENABLED(CONFIG_PPC_PMAC) && IS_ENABLED(CONFIG_PPC64))
+		fixup_device_tree_pmac64();
+
+	if (IS_ENABLED(CONFIG_PPC_EFIKA))
+		fixup_device_tree_efika();
+
+	if (IS_ENABLED(CONFIG_PPC_PASEMI_NEMO))
+		fixup_device_tree_pasemi();
 }
 
 static void __init prom_find_boot_cpu(void)

arch/powerpc/platforms/pseries/iommu.c

@@ -1650,7 +1650,8 @@ static bool enable_ddw(struct pci_dev *dev, struct device_node *pdn)
 		iommu_table_setparms_common(newtbl, pci->phb->bus->number, create.liobn,
 					    dynamic_addr, dynamic_len, page_shift, NULL,
 					    &iommu_table_lpar_multi_ops);
-		iommu_init_table(newtbl, pci->phb->node, start, end);
+		iommu_init_table(newtbl, pci->phb->node,
+				 start >> page_shift, end >> page_shift);
 
 		pci->table_group->tables[default_win_removed ? 0 : 1] = newtbl;
 
@@ -2065,7 +2066,9 @@ static long spapr_tce_create_table(struct iommu_table_group *table_group, int nu
 							    offset, 1UL << window_shift,
 							    IOMMU_PAGE_SHIFT_4K, NULL,
 							    &iommu_table_lpar_multi_ops);
-				iommu_init_table(tbl, pci->phb->node, start, end);
+				iommu_init_table(tbl, pci->phb->node,
+						 start >> IOMMU_PAGE_SHIFT_4K,
+						 end >> IOMMU_PAGE_SHIFT_4K);
 
 				table_group->tables[0] = tbl;
 
@@ -2136,7 +2139,7 @@ static long spapr_tce_create_table(struct iommu_table_group *table_group, int nu
 	/* New table for using DDW instead of the default DMA window */
 	iommu_table_setparms_common(tbl, pci->phb->bus->number, create.liobn, win_addr,
 				    1UL << len, page_shift, NULL, &iommu_table_lpar_multi_ops);
-	iommu_init_table(tbl, pci->phb->node, start, end);
+	iommu_init_table(tbl, pci->phb->node, start >> page_shift, end >> page_shift);
 
 	pci->table_group->tables[num] = tbl;
 	set_iommu_table_base(&pdev->dev, tbl);

tools/testing/selftests/powerpc/benchmarks/gettimeofday.c

@@ -20,7 +20,7 @@ static int test_gettimeofday(void)
 		gettimeofday(&tv_end, NULL);
 	}
 
-	timersub(&tv_start, &tv_end, &tv_diff);
+	timersub(&tv_end, &tv_start, &tv_diff);
 
 	printf("time = %.6f\n", tv_diff.tv_sec + (tv_diff.tv_usec) * 1e-6);