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-rw-r--r--arch/powerpc/sysdev/mpic.c43
1 files changed, 22 insertions, 21 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 9c3af5045495..3981ae4cb58e 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -279,28 +279,29 @@ static void _mpic_map_mmio(struct mpic *mpic, phys_addr_t phys_addr,
279} 279}
280 280
281#ifdef CONFIG_PPC_DCR 281#ifdef CONFIG_PPC_DCR
282static void _mpic_map_dcr(struct mpic *mpic, struct mpic_reg_bank *rb, 282static void _mpic_map_dcr(struct mpic *mpic, struct device_node *node,
283 struct mpic_reg_bank *rb,
283 unsigned int offset, unsigned int size) 284 unsigned int offset, unsigned int size)
284{ 285{
285 const u32 *dbasep; 286 const u32 *dbasep;
286 287
287 dbasep = of_get_property(mpic->irqhost->of_node, "dcr-reg", NULL); 288 dbasep = of_get_property(node, "dcr-reg", NULL);
288 289
289 rb->dhost = dcr_map(mpic->irqhost->of_node, *dbasep + offset, size); 290 rb->dhost = dcr_map(node, *dbasep + offset, size);
290 BUG_ON(!DCR_MAP_OK(rb->dhost)); 291 BUG_ON(!DCR_MAP_OK(rb->dhost));
291} 292}
292 293
293static inline void mpic_map(struct mpic *mpic, phys_addr_t phys_addr, 294static inline void mpic_map(struct mpic *mpic, struct device_node *node,
294 struct mpic_reg_bank *rb, unsigned int offset, 295 phys_addr_t phys_addr, struct mpic_reg_bank *rb,
295 unsigned int size) 296 unsigned int offset, unsigned int size)
296{ 297{
297 if (mpic->flags & MPIC_USES_DCR) 298 if (mpic->flags & MPIC_USES_DCR)
298 _mpic_map_dcr(mpic, rb, offset, size); 299 _mpic_map_dcr(mpic, node, rb, offset, size);
299 else 300 else
300 _mpic_map_mmio(mpic, phys_addr, rb, offset, size); 301 _mpic_map_mmio(mpic, phys_addr, rb, offset, size);
301} 302}
302#else /* CONFIG_PPC_DCR */ 303#else /* CONFIG_PPC_DCR */
303#define mpic_map(m,p,b,o,s) _mpic_map_mmio(m,p,b,o,s) 304#define mpic_map(m,n,p,b,o,s) _mpic_map_mmio(m,p,b,o,s)
304#endif /* !CONFIG_PPC_DCR */ 305#endif /* !CONFIG_PPC_DCR */
305 306
306 307
@@ -507,9 +508,8 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic)
507 printk(KERN_INFO "mpic: Setting up HT PICs workarounds for U3/U4\n"); 508 printk(KERN_INFO "mpic: Setting up HT PICs workarounds for U3/U4\n");
508 509
509 /* Allocate fixups array */ 510 /* Allocate fixups array */
510 mpic->fixups = alloc_bootmem(128 * sizeof(struct mpic_irq_fixup)); 511 mpic->fixups = kzalloc(128 * sizeof(*mpic->fixups), GFP_KERNEL);
511 BUG_ON(mpic->fixups == NULL); 512 BUG_ON(mpic->fixups == NULL);
512 memset(mpic->fixups, 0, 128 * sizeof(struct mpic_irq_fixup));
513 513
514 /* Init spinlock */ 514 /* Init spinlock */
515 spin_lock_init(&mpic->fixup_lock); 515 spin_lock_init(&mpic->fixup_lock);
@@ -1052,11 +1052,10 @@ struct mpic * __init mpic_alloc(struct device_node *node,
1052 int intvec_top; 1052 int intvec_top;
1053 u64 paddr = phys_addr; 1053 u64 paddr = phys_addr;
1054 1054
1055 mpic = alloc_bootmem(sizeof(struct mpic)); 1055 mpic = kzalloc(sizeof(struct mpic), GFP_KERNEL);
1056 if (mpic == NULL) 1056 if (mpic == NULL)
1057 return NULL; 1057 return NULL;
1058 1058
1059 memset(mpic, 0, sizeof(struct mpic));
1060 mpic->name = name; 1059 mpic->name = name;
1061 1060
1062 mpic->hc_irq = mpic_irq_chip; 1061 mpic->hc_irq = mpic_irq_chip;
@@ -1109,9 +1108,8 @@ struct mpic * __init mpic_alloc(struct device_node *node,
1109 psize /= 4; 1108 psize /= 4;
1110 bits = intvec_top + 1; 1109 bits = intvec_top + 1;
1111 mapsize = BITS_TO_LONGS(bits) * sizeof(unsigned long); 1110 mapsize = BITS_TO_LONGS(bits) * sizeof(unsigned long);
1112 mpic->protected = alloc_bootmem(mapsize); 1111 mpic->protected = kzalloc(mapsize, GFP_KERNEL);
1113 BUG_ON(mpic->protected == NULL); 1112 BUG_ON(mpic->protected == NULL);
1114 memset(mpic->protected, 0, mapsize);
1115 for (i = 0; i < psize; i++) { 1113 for (i = 0; i < psize; i++) {
1116 if (psrc[i] > intvec_top) 1114 if (psrc[i] > intvec_top)
1117 continue; 1115 continue;
@@ -1152,8 +1150,8 @@ struct mpic * __init mpic_alloc(struct device_node *node,
1152 } 1150 }
1153 1151
1154 /* Map the global registers */ 1152 /* Map the global registers */
1155 mpic_map(mpic, paddr, &mpic->gregs, MPIC_INFO(GREG_BASE), 0x1000); 1153 mpic_map(mpic, node, paddr, &mpic->gregs, MPIC_INFO(GREG_BASE), 0x1000);
1156 mpic_map(mpic, paddr, &mpic->tmregs, MPIC_INFO(TIMER_BASE), 0x1000); 1154 mpic_map(mpic, node, paddr, &mpic->tmregs, MPIC_INFO(TIMER_BASE), 0x1000);
1157 1155
1158 /* Reset */ 1156 /* Reset */
1159 if (flags & MPIC_WANTS_RESET) { 1157 if (flags & MPIC_WANTS_RESET) {
@@ -1194,7 +1192,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
1194 1192
1195 /* Map the per-CPU registers */ 1193 /* Map the per-CPU registers */
1196 for (i = 0; i < mpic->num_cpus; i++) { 1194 for (i = 0; i < mpic->num_cpus; i++) {
1197 mpic_map(mpic, paddr, &mpic->cpuregs[i], 1195 mpic_map(mpic, node, paddr, &mpic->cpuregs[i],
1198 MPIC_INFO(CPU_BASE) + i * MPIC_INFO(CPU_STRIDE), 1196 MPIC_INFO(CPU_BASE) + i * MPIC_INFO(CPU_STRIDE),
1199 0x1000); 1197 0x1000);
1200 } 1198 }
@@ -1202,7 +1200,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
1202 /* Initialize main ISU if none provided */ 1200 /* Initialize main ISU if none provided */
1203 if (mpic->isu_size == 0) { 1201 if (mpic->isu_size == 0) {
1204 mpic->isu_size = mpic->num_sources; 1202 mpic->isu_size = mpic->num_sources;
1205 mpic_map(mpic, paddr, &mpic->isus[0], 1203 mpic_map(mpic, node, paddr, &mpic->isus[0],
1206 MPIC_INFO(IRQ_BASE), MPIC_INFO(IRQ_STRIDE) * mpic->isu_size); 1204 MPIC_INFO(IRQ_BASE), MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
1207 } 1205 }
1208 mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1); 1206 mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1);
@@ -1256,8 +1254,10 @@ void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
1256 1254
1257 BUG_ON(isu_num >= MPIC_MAX_ISU); 1255 BUG_ON(isu_num >= MPIC_MAX_ISU);
1258 1256
1259 mpic_map(mpic, paddr, &mpic->isus[isu_num], 0, 1257 mpic_map(mpic, mpic->irqhost->of_node,
1258 paddr, &mpic->isus[isu_num], 0,
1260 MPIC_INFO(IRQ_STRIDE) * mpic->isu_size); 1259 MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
1260
1261 if ((isu_first + mpic->isu_size) > mpic->num_sources) 1261 if ((isu_first + mpic->isu_size) > mpic->num_sources)
1262 mpic->num_sources = isu_first + mpic->isu_size; 1262 mpic->num_sources = isu_first + mpic->isu_size;
1263} 1263}
@@ -1351,7 +1351,8 @@ void __init mpic_init(struct mpic *mpic)
1351 1351
1352#ifdef CONFIG_PM 1352#ifdef CONFIG_PM
1353 /* allocate memory to save mpic state */ 1353 /* allocate memory to save mpic state */
1354 mpic->save_data = alloc_bootmem(mpic->num_sources * sizeof(struct mpic_irq_save)); 1354 mpic->save_data = kmalloc(mpic->num_sources * sizeof(*mpic->save_data),
1355 GFP_KERNEL);
1355 BUG_ON(mpic->save_data == NULL); 1356 BUG_ON(mpic->save_data == NULL);
1356#endif 1357#endif
1357} 1358}