1e3873444SGrant Likely /* 2e3873444SGrant Likely * Derived from arch/i386/kernel/irq.c 3e3873444SGrant Likely * Copyright (C) 1992 Linus Torvalds 4e3873444SGrant Likely * Adapted from arch/i386 by Gary Thomas 5e3873444SGrant Likely * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) 6e3873444SGrant Likely * Updated and modified by Cort Dougan <cort@fsmlabs.com> 7e3873444SGrant Likely * Copyright (C) 1996-2001 Cort Dougan 8e3873444SGrant Likely * Adapted for Power Macintosh by Paul Mackerras 9e3873444SGrant Likely * Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au) 10e3873444SGrant Likely * 11e3873444SGrant Likely * This program is free software; you can redistribute it and/or 12e3873444SGrant Likely * modify it under the terms of the GNU General Public License 13e3873444SGrant Likely * as published by the Free Software Foundation; either version 14e3873444SGrant Likely * 2 of the License, or (at your option) any later version. 15e3873444SGrant Likely * 16e3873444SGrant Likely * This file contains the code used to make IRQ descriptions in the 17e3873444SGrant Likely * device tree to actual irq numbers on an interrupt controller 18e3873444SGrant Likely * driver. 19e3873444SGrant Likely */ 20e3873444SGrant Likely 21e3873444SGrant Likely #include <linux/errno.h> 22e3873444SGrant Likely #include <linux/module.h> 23e3873444SGrant Likely #include <linux/of.h> 24e3873444SGrant Likely #include <linux/of_irq.h> 25e3873444SGrant Likely #include <linux/string.h> 26e3873444SGrant Likely 2752f6537cSAndres Salomon /* For archs that don't support NO_IRQ (such as x86), provide a dummy value */ 2852f6537cSAndres Salomon #ifndef NO_IRQ 2952f6537cSAndres Salomon #define NO_IRQ 0 3052f6537cSAndres Salomon #endif 3152f6537cSAndres Salomon 32e3873444SGrant Likely /** 33e3873444SGrant Likely * irq_of_parse_and_map - Parse and map an interrupt into linux virq space 34e3873444SGrant Likely * @device: Device node of the device whose interrupt is to be mapped 35e3873444SGrant Likely * @index: Index of the interrupt to map 36e3873444SGrant Likely * 37e3873444SGrant Likely * This function is a wrapper that chains of_irq_map_one() and 38e3873444SGrant Likely * irq_create_of_mapping() to make things easier to callers 39e3873444SGrant Likely */ 40e3873444SGrant Likely unsigned int irq_of_parse_and_map(struct device_node *dev, int index) 41e3873444SGrant Likely { 42e3873444SGrant Likely struct of_irq oirq; 43e3873444SGrant Likely 44e3873444SGrant Likely if (of_irq_map_one(dev, index, &oirq)) 45e3873444SGrant Likely return NO_IRQ; 46e3873444SGrant Likely 47e3873444SGrant Likely return irq_create_of_mapping(oirq.controller, oirq.specifier, 48e3873444SGrant Likely oirq.size); 49e3873444SGrant Likely } 50e3873444SGrant Likely EXPORT_SYMBOL_GPL(irq_of_parse_and_map); 517dc2e113SGrant Likely 527dc2e113SGrant Likely /** 537dc2e113SGrant Likely * of_irq_find_parent - Given a device node, find its interrupt parent node 547dc2e113SGrant Likely * @child: pointer to device node 557dc2e113SGrant Likely * 567dc2e113SGrant Likely * Returns a pointer to the interrupt parent node, or NULL if the interrupt 577dc2e113SGrant Likely * parent could not be determined. 587dc2e113SGrant Likely */ 597dc2e113SGrant Likely static struct device_node *of_irq_find_parent(struct device_node *child) 607dc2e113SGrant Likely { 617dc2e113SGrant Likely struct device_node *p; 629a6b2e58SGrant Likely const __be32 *parp; 637dc2e113SGrant Likely 647dc2e113SGrant Likely if (!of_node_get(child)) 657dc2e113SGrant Likely return NULL; 667dc2e113SGrant Likely 677dc2e113SGrant Likely do { 687dc2e113SGrant Likely parp = of_get_property(child, "interrupt-parent", NULL); 697dc2e113SGrant Likely if (parp == NULL) 707dc2e113SGrant Likely p = of_get_parent(child); 717dc2e113SGrant Likely else { 727dc2e113SGrant Likely if (of_irq_workarounds & OF_IMAP_NO_PHANDLE) 737dc2e113SGrant Likely p = of_node_get(of_irq_dflt_pic); 747dc2e113SGrant Likely else 759a6b2e58SGrant Likely p = of_find_node_by_phandle(be32_to_cpup(parp)); 767dc2e113SGrant Likely } 777dc2e113SGrant Likely of_node_put(child); 787dc2e113SGrant Likely child = p; 797dc2e113SGrant Likely } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL); 807dc2e113SGrant Likely 817dc2e113SGrant Likely return p; 827dc2e113SGrant Likely } 837dc2e113SGrant Likely 847dc2e113SGrant Likely /** 857dc2e113SGrant Likely * of_irq_map_raw - Low level interrupt tree parsing 867dc2e113SGrant Likely * @parent: the device interrupt parent 877dc2e113SGrant Likely * @intspec: interrupt specifier ("interrupts" property of the device) 887dc2e113SGrant Likely * @ointsize: size of the passed in interrupt specifier 897dc2e113SGrant Likely * @addr: address specifier (start of "reg" property of the device) 907dc2e113SGrant Likely * @out_irq: structure of_irq filled by this function 917dc2e113SGrant Likely * 927dc2e113SGrant Likely * Returns 0 on success and a negative number on error 937dc2e113SGrant Likely * 947dc2e113SGrant Likely * This function is a low-level interrupt tree walking function. It 957dc2e113SGrant Likely * can be used to do a partial walk with synthetized reg and interrupts 967dc2e113SGrant Likely * properties, for example when resolving PCI interrupts when no device 977dc2e113SGrant Likely * node exist for the parent. 987dc2e113SGrant Likely */ 99d2f71839SGrant Likely int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, 100d2f71839SGrant Likely u32 ointsize, const __be32 *addr, struct of_irq *out_irq) 1017dc2e113SGrant Likely { 1027dc2e113SGrant Likely struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL; 103a7c194b0SRob Herring const __be32 *tmp, *imap, *imask; 1047dc2e113SGrant Likely u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0; 1057dc2e113SGrant Likely int imaplen, match, i; 1067dc2e113SGrant Likely 1077dc2e113SGrant Likely pr_debug("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n", 108d2f71839SGrant Likely parent->full_name, be32_to_cpup(intspec), 109d2f71839SGrant Likely be32_to_cpup(intspec + 1), ointsize); 1107dc2e113SGrant Likely 1117dc2e113SGrant Likely ipar = of_node_get(parent); 1127dc2e113SGrant Likely 1137dc2e113SGrant Likely /* First get the #interrupt-cells property of the current cursor 1147dc2e113SGrant Likely * that tells us how to interpret the passed-in intspec. If there 1157dc2e113SGrant Likely * is none, we are nice and just walk up the tree 1167dc2e113SGrant Likely */ 1177dc2e113SGrant Likely do { 1187dc2e113SGrant Likely tmp = of_get_property(ipar, "#interrupt-cells", NULL); 1197dc2e113SGrant Likely if (tmp != NULL) { 120a7c194b0SRob Herring intsize = be32_to_cpu(*tmp); 1217dc2e113SGrant Likely break; 1227dc2e113SGrant Likely } 1237dc2e113SGrant Likely tnode = ipar; 1247dc2e113SGrant Likely ipar = of_irq_find_parent(ipar); 1257dc2e113SGrant Likely of_node_put(tnode); 1267dc2e113SGrant Likely } while (ipar); 1277dc2e113SGrant Likely if (ipar == NULL) { 1287dc2e113SGrant Likely pr_debug(" -> no parent found !\n"); 1297dc2e113SGrant Likely goto fail; 1307dc2e113SGrant Likely } 1317dc2e113SGrant Likely 1327dc2e113SGrant Likely pr_debug("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize); 1337dc2e113SGrant Likely 1347dc2e113SGrant Likely if (ointsize != intsize) 1357dc2e113SGrant Likely return -EINVAL; 1367dc2e113SGrant Likely 1377dc2e113SGrant Likely /* Look for this #address-cells. We have to implement the old linux 1387dc2e113SGrant Likely * trick of looking for the parent here as some device-trees rely on it 1397dc2e113SGrant Likely */ 1407dc2e113SGrant Likely old = of_node_get(ipar); 1417dc2e113SGrant Likely do { 1427dc2e113SGrant Likely tmp = of_get_property(old, "#address-cells", NULL); 1437dc2e113SGrant Likely tnode = of_get_parent(old); 1447dc2e113SGrant Likely of_node_put(old); 1457dc2e113SGrant Likely old = tnode; 1467dc2e113SGrant Likely } while (old && tmp == NULL); 1477dc2e113SGrant Likely of_node_put(old); 1487dc2e113SGrant Likely old = NULL; 149a7c194b0SRob Herring addrsize = (tmp == NULL) ? 2 : be32_to_cpu(*tmp); 1507dc2e113SGrant Likely 1517dc2e113SGrant Likely pr_debug(" -> addrsize=%d\n", addrsize); 1527dc2e113SGrant Likely 1537dc2e113SGrant Likely /* Now start the actual "proper" walk of the interrupt tree */ 1547dc2e113SGrant Likely while (ipar != NULL) { 1557dc2e113SGrant Likely /* Now check if cursor is an interrupt-controller and if it is 1567dc2e113SGrant Likely * then we are done 1577dc2e113SGrant Likely */ 1587dc2e113SGrant Likely if (of_get_property(ipar, "interrupt-controller", NULL) != 1597dc2e113SGrant Likely NULL) { 1607dc2e113SGrant Likely pr_debug(" -> got it !\n"); 161a7c194b0SRob Herring for (i = 0; i < intsize; i++) 162a7c194b0SRob Herring out_irq->specifier[i] = 163a7c194b0SRob Herring of_read_number(intspec +i, 1); 1647dc2e113SGrant Likely out_irq->size = intsize; 1657dc2e113SGrant Likely out_irq->controller = ipar; 1667dc2e113SGrant Likely of_node_put(old); 1677dc2e113SGrant Likely return 0; 1687dc2e113SGrant Likely } 1697dc2e113SGrant Likely 1707dc2e113SGrant Likely /* Now look for an interrupt-map */ 1717dc2e113SGrant Likely imap = of_get_property(ipar, "interrupt-map", &imaplen); 1727dc2e113SGrant Likely /* No interrupt map, check for an interrupt parent */ 1737dc2e113SGrant Likely if (imap == NULL) { 1747dc2e113SGrant Likely pr_debug(" -> no map, getting parent\n"); 1757dc2e113SGrant Likely newpar = of_irq_find_parent(ipar); 1767dc2e113SGrant Likely goto skiplevel; 1777dc2e113SGrant Likely } 1787dc2e113SGrant Likely imaplen /= sizeof(u32); 1797dc2e113SGrant Likely 1807dc2e113SGrant Likely /* Look for a mask */ 1817dc2e113SGrant Likely imask = of_get_property(ipar, "interrupt-map-mask", NULL); 1827dc2e113SGrant Likely 1837dc2e113SGrant Likely /* If we were passed no "reg" property and we attempt to parse 1847dc2e113SGrant Likely * an interrupt-map, then #address-cells must be 0. 1857dc2e113SGrant Likely * Fail if it's not. 1867dc2e113SGrant Likely */ 1877dc2e113SGrant Likely if (addr == NULL && addrsize != 0) { 1887dc2e113SGrant Likely pr_debug(" -> no reg passed in when needed !\n"); 1897dc2e113SGrant Likely goto fail; 1907dc2e113SGrant Likely } 1917dc2e113SGrant Likely 1927dc2e113SGrant Likely /* Parse interrupt-map */ 1937dc2e113SGrant Likely match = 0; 1947dc2e113SGrant Likely while (imaplen > (addrsize + intsize + 1) && !match) { 1957dc2e113SGrant Likely /* Compare specifiers */ 1967dc2e113SGrant Likely match = 1; 1977dc2e113SGrant Likely for (i = 0; i < addrsize && match; ++i) { 1987dc2e113SGrant Likely u32 mask = imask ? imask[i] : 0xffffffffu; 1997dc2e113SGrant Likely match = ((addr[i] ^ imap[i]) & mask) == 0; 2007dc2e113SGrant Likely } 2017dc2e113SGrant Likely for (; i < (addrsize + intsize) && match; ++i) { 2027dc2e113SGrant Likely u32 mask = imask ? imask[i] : 0xffffffffu; 2037dc2e113SGrant Likely match = 2047dc2e113SGrant Likely ((intspec[i-addrsize] ^ imap[i]) & mask) == 0; 2057dc2e113SGrant Likely } 2067dc2e113SGrant Likely imap += addrsize + intsize; 2077dc2e113SGrant Likely imaplen -= addrsize + intsize; 2087dc2e113SGrant Likely 2097dc2e113SGrant Likely pr_debug(" -> match=%d (imaplen=%d)\n", match, imaplen); 2107dc2e113SGrant Likely 2117dc2e113SGrant Likely /* Get the interrupt parent */ 2127dc2e113SGrant Likely if (of_irq_workarounds & OF_IMAP_NO_PHANDLE) 2137dc2e113SGrant Likely newpar = of_node_get(of_irq_dflt_pic); 2147dc2e113SGrant Likely else 2159a6b2e58SGrant Likely newpar = of_find_node_by_phandle(be32_to_cpup(imap)); 2167dc2e113SGrant Likely imap++; 2177dc2e113SGrant Likely --imaplen; 2187dc2e113SGrant Likely 2197dc2e113SGrant Likely /* Check if not found */ 2207dc2e113SGrant Likely if (newpar == NULL) { 2217dc2e113SGrant Likely pr_debug(" -> imap parent not found !\n"); 2227dc2e113SGrant Likely goto fail; 2237dc2e113SGrant Likely } 2247dc2e113SGrant Likely 2257dc2e113SGrant Likely /* Get #interrupt-cells and #address-cells of new 2267dc2e113SGrant Likely * parent 2277dc2e113SGrant Likely */ 2287dc2e113SGrant Likely tmp = of_get_property(newpar, "#interrupt-cells", NULL); 2297dc2e113SGrant Likely if (tmp == NULL) { 2307dc2e113SGrant Likely pr_debug(" -> parent lacks #interrupt-cells!\n"); 2317dc2e113SGrant Likely goto fail; 2327dc2e113SGrant Likely } 233a7c194b0SRob Herring newintsize = be32_to_cpu(*tmp); 2347dc2e113SGrant Likely tmp = of_get_property(newpar, "#address-cells", NULL); 235a7c194b0SRob Herring newaddrsize = (tmp == NULL) ? 0 : be32_to_cpu(*tmp); 2367dc2e113SGrant Likely 2377dc2e113SGrant Likely pr_debug(" -> newintsize=%d, newaddrsize=%d\n", 2387dc2e113SGrant Likely newintsize, newaddrsize); 2397dc2e113SGrant Likely 2407dc2e113SGrant Likely /* Check for malformed properties */ 2417dc2e113SGrant Likely if (imaplen < (newaddrsize + newintsize)) 2427dc2e113SGrant Likely goto fail; 2437dc2e113SGrant Likely 2447dc2e113SGrant Likely imap += newaddrsize + newintsize; 2457dc2e113SGrant Likely imaplen -= newaddrsize + newintsize; 2467dc2e113SGrant Likely 2477dc2e113SGrant Likely pr_debug(" -> imaplen=%d\n", imaplen); 2487dc2e113SGrant Likely } 2497dc2e113SGrant Likely if (!match) 2507dc2e113SGrant Likely goto fail; 2517dc2e113SGrant Likely 2527dc2e113SGrant Likely of_node_put(old); 2537dc2e113SGrant Likely old = of_node_get(newpar); 2547dc2e113SGrant Likely addrsize = newaddrsize; 2557dc2e113SGrant Likely intsize = newintsize; 2567dc2e113SGrant Likely intspec = imap - intsize; 2577dc2e113SGrant Likely addr = intspec - addrsize; 2587dc2e113SGrant Likely 2597dc2e113SGrant Likely skiplevel: 2607dc2e113SGrant Likely /* Iterate again with new parent */ 2617dc2e113SGrant Likely pr_debug(" -> new parent: %s\n", newpar ? newpar->full_name : "<>"); 2627dc2e113SGrant Likely of_node_put(ipar); 2637dc2e113SGrant Likely ipar = newpar; 2647dc2e113SGrant Likely newpar = NULL; 2657dc2e113SGrant Likely } 2667dc2e113SGrant Likely fail: 2677dc2e113SGrant Likely of_node_put(ipar); 2687dc2e113SGrant Likely of_node_put(old); 2697dc2e113SGrant Likely of_node_put(newpar); 2707dc2e113SGrant Likely 2717dc2e113SGrant Likely return -EINVAL; 2727dc2e113SGrant Likely } 2737dc2e113SGrant Likely EXPORT_SYMBOL_GPL(of_irq_map_raw); 2747dc2e113SGrant Likely 2757dc2e113SGrant Likely /** 2767dc2e113SGrant Likely * of_irq_map_one - Resolve an interrupt for a device 2777dc2e113SGrant Likely * @device: the device whose interrupt is to be resolved 2787dc2e113SGrant Likely * @index: index of the interrupt to resolve 2797dc2e113SGrant Likely * @out_irq: structure of_irq filled by this function 2807dc2e113SGrant Likely * 2817dc2e113SGrant Likely * This function resolves an interrupt, walking the tree, for a given 2827dc2e113SGrant Likely * device-tree node. It's the high level pendant to of_irq_map_raw(). 2837dc2e113SGrant Likely */ 2847dc2e113SGrant Likely int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq) 2857dc2e113SGrant Likely { 2867dc2e113SGrant Likely struct device_node *p; 287d2f71839SGrant Likely const __be32 *intspec, *tmp, *addr; 2887dc2e113SGrant Likely u32 intsize, intlen; 2897dc2e113SGrant Likely int res = -EINVAL; 2907dc2e113SGrant Likely 2917dc2e113SGrant Likely pr_debug("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index); 2927dc2e113SGrant Likely 2937dc2e113SGrant Likely /* OldWorld mac stuff is "special", handle out of line */ 2947dc2e113SGrant Likely if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC) 2957dc2e113SGrant Likely return of_irq_map_oldworld(device, index, out_irq); 2967dc2e113SGrant Likely 2977dc2e113SGrant Likely /* Get the interrupts property */ 2987dc2e113SGrant Likely intspec = of_get_property(device, "interrupts", &intlen); 2997dc2e113SGrant Likely if (intspec == NULL) 3007dc2e113SGrant Likely return -EINVAL; 301d2f71839SGrant Likely intlen /= sizeof(*intspec); 3027dc2e113SGrant Likely 303d2f71839SGrant Likely pr_debug(" intspec=%d intlen=%d\n", be32_to_cpup(intspec), intlen); 3047dc2e113SGrant Likely 3057dc2e113SGrant Likely /* Get the reg property (if any) */ 3067dc2e113SGrant Likely addr = of_get_property(device, "reg", NULL); 3077dc2e113SGrant Likely 3087dc2e113SGrant Likely /* Look for the interrupt parent. */ 3097dc2e113SGrant Likely p = of_irq_find_parent(device); 3107dc2e113SGrant Likely if (p == NULL) 3117dc2e113SGrant Likely return -EINVAL; 3127dc2e113SGrant Likely 3137dc2e113SGrant Likely /* Get size of interrupt specifier */ 3147dc2e113SGrant Likely tmp = of_get_property(p, "#interrupt-cells", NULL); 3157dc2e113SGrant Likely if (tmp == NULL) 3167dc2e113SGrant Likely goto out; 317a7c194b0SRob Herring intsize = be32_to_cpu(*tmp); 3187dc2e113SGrant Likely 3197dc2e113SGrant Likely pr_debug(" intsize=%d intlen=%d\n", intsize, intlen); 3207dc2e113SGrant Likely 3217dc2e113SGrant Likely /* Check index */ 3227dc2e113SGrant Likely if ((index + 1) * intsize > intlen) 3237dc2e113SGrant Likely goto out; 3247dc2e113SGrant Likely 3257dc2e113SGrant Likely /* Get new specifier and map it */ 3267dc2e113SGrant Likely res = of_irq_map_raw(p, intspec + index * intsize, intsize, 3277dc2e113SGrant Likely addr, out_irq); 3287dc2e113SGrant Likely out: 3297dc2e113SGrant Likely of_node_put(p); 3307dc2e113SGrant Likely return res; 3317dc2e113SGrant Likely } 3327dc2e113SGrant Likely EXPORT_SYMBOL_GPL(of_irq_map_one); 3337dc2e113SGrant Likely 3347dc2e113SGrant Likely /** 3357dc2e113SGrant Likely * of_irq_to_resource - Decode a node's IRQ and return it as a resource 3367dc2e113SGrant Likely * @dev: pointer to device tree node 3377dc2e113SGrant Likely * @index: zero-based index of the irq 3387dc2e113SGrant Likely * @r: pointer to resource structure to return result into. 3397dc2e113SGrant Likely */ 3407dc2e113SGrant Likely int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) 3417dc2e113SGrant Likely { 3427dc2e113SGrant Likely int irq = irq_of_parse_and_map(dev, index); 3437dc2e113SGrant Likely 3447dc2e113SGrant Likely /* Only dereference the resource if both the 3457dc2e113SGrant Likely * resource and the irq are valid. */ 3467dc2e113SGrant Likely if (r && irq != NO_IRQ) { 3477dc2e113SGrant Likely r->start = r->end = irq; 3487dc2e113SGrant Likely r->flags = IORESOURCE_IRQ; 349d3571c3aSGrant Likely r->name = dev->full_name; 3507dc2e113SGrant Likely } 3517dc2e113SGrant Likely 3527dc2e113SGrant Likely return irq; 3537dc2e113SGrant Likely } 3547dc2e113SGrant Likely EXPORT_SYMBOL_GPL(of_irq_to_resource); 35552f6537cSAndres Salomon 35652f6537cSAndres Salomon /** 35752f6537cSAndres Salomon * of_irq_count - Count the number of IRQs a node uses 35852f6537cSAndres Salomon * @dev: pointer to device tree node 35952f6537cSAndres Salomon */ 36052f6537cSAndres Salomon int of_irq_count(struct device_node *dev) 36152f6537cSAndres Salomon { 36252f6537cSAndres Salomon int nr = 0; 36352f6537cSAndres Salomon 36452f6537cSAndres Salomon while (of_irq_to_resource(dev, nr, NULL) != NO_IRQ) 36552f6537cSAndres Salomon nr++; 36652f6537cSAndres Salomon 36752f6537cSAndres Salomon return nr; 36852f6537cSAndres Salomon } 36952f6537cSAndres Salomon 37052f6537cSAndres Salomon /** 37152f6537cSAndres Salomon * of_irq_to_resource_table - Fill in resource table with node's IRQ info 37252f6537cSAndres Salomon * @dev: pointer to device tree node 37352f6537cSAndres Salomon * @res: array of resources to fill in 37452f6537cSAndres Salomon * @nr_irqs: the number of IRQs (and upper bound for num of @res elements) 37552f6537cSAndres Salomon * 37652f6537cSAndres Salomon * Returns the size of the filled in table (up to @nr_irqs). 37752f6537cSAndres Salomon */ 37852f6537cSAndres Salomon int of_irq_to_resource_table(struct device_node *dev, struct resource *res, 37952f6537cSAndres Salomon int nr_irqs) 38052f6537cSAndres Salomon { 38152f6537cSAndres Salomon int i; 38252f6537cSAndres Salomon 38352f6537cSAndres Salomon for (i = 0; i < nr_irqs; i++, res++) 38452f6537cSAndres Salomon if (of_irq_to_resource(dev, i, res) == NO_IRQ) 38552f6537cSAndres Salomon break; 38652f6537cSAndres Salomon 38752f6537cSAndres Salomon return i; 38852f6537cSAndres Salomon } 389