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Commit a3323d1a authored by Geoff Levand's avatar Geoff Levand Committed by Paul Mackerras
Browse files

[POWERPC] PS3: Repository probe cleanups



Repository updates:
  - Extract ps3_repository_find_bus() from ps3_repository_find_device(), as the
    storage driver needs it.
  - Make ps3_repository_find_device() return -ENODEV if a device is not found,
    just like if a bus is not found.
  - Add ps3_repository_read_vuart_sysmgr_port() and
    ps3_repository_read_vuart_av_port() to get vuart port info.
  - Add device enumeration routines ps3_repository_find_device() and
    ps3_repository_find_devices().
  - Cleanup debug routines.

Signed-off-by: default avatarGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: default avatarGeoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 6758555d
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+20 −11
Original line number Diff line number Diff line
@@ -131,24 +131,28 @@ int ps3_repository_read_dev_reg(unsigned int bus_index,
/* repository bus enumerators */

struct ps3_repository_device {
	enum ps3_bus_type bus_type;
	unsigned int bus_index;
	unsigned int bus_id;
	enum ps3_dev_type dev_type;
	unsigned int dev_index;
	struct ps3_device_id did;
	unsigned int dev_id;
};

int ps3_repository_find_device(enum ps3_bus_type bus_type,
	enum ps3_dev_type dev_type,
	const struct ps3_repository_device *start_dev,
	struct ps3_repository_device *dev);
static inline int ps3_repository_find_first_device(
	enum ps3_bus_type bus_type, enum ps3_dev_type dev_type,
	struct ps3_repository_device *dev)
static inline struct ps3_repository_device *ps3_repository_bump_device(
	struct ps3_repository_device *repo)
{
	return ps3_repository_find_device(bus_type, dev_type, NULL, dev);
	repo->dev_index++;
	return repo;
}
int ps3_repository_find_interrupt(const struct ps3_repository_device *dev,
int ps3_repository_find_device(struct ps3_repository_device *repo);
int ps3_repository_find_devices(enum ps3_bus_type bus_type,
	int (*callback)(const struct ps3_repository_device *repo));
int ps3_repository_find_bus(enum ps3_bus_type bus_type, unsigned int from,
	unsigned int *bus_index);
int ps3_repository_find_interrupt(const struct ps3_repository_device *repo,
	enum ps3_interrupt_type intr_type, unsigned int *interrupt_id);
int ps3_repository_find_reg(const struct ps3_repository_device *dev,
int ps3_repository_find_reg(const struct ps3_repository_device *repo,
	enum ps3_reg_type reg_type, u64 *bus_addr, u64 *len);

/* repository block device info */
@@ -218,6 +222,11 @@ int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id);
int ps3_repository_read_spu_resource_id(unsigned int res_index,
	enum ps3_spu_resource_type* resource_type, unsigned int *resource_id);

/* repository vuart info */

int ps3_repository_read_vuart_av_port(unsigned int *port);
int ps3_repository_read_vuart_sysmgr_port(unsigned int *port);

/* Page table entries */
#define IOPTE_PP_W		0x8000000000000000ul /* protection: write */
#define IOPTE_PP_R		0x4000000000000000ul /* protection: read */
+317 −269
Original line number Diff line number Diff line
@@ -138,7 +138,7 @@ static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
		pr_debug("%s:%d: lv1_get_repository_node_value failed: %s\n",
			__func__, __LINE__, ps3_result(result));
		dump_node_name(lpar_id, n1, n2, n3, n4);
		return result;
		return -ENOENT;
	}

	dump_node(lpar_id, n1, n2, n3, n4, v1, v2);
@@ -155,7 +155,7 @@ static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
		pr_debug("%s:%d: warning: discarding non-zero v2: %016lx\n",
			__func__, __LINE__, v2);

	return result;
	return 0;
}

int ps3_repository_read_bus_str(unsigned int bus_index, const char *bus_str,
@@ -314,324 +314,140 @@ int ps3_repository_read_dev_reg(unsigned int bus_index,
		reg_index, bus_addr, len);
}

#if defined(DEBUG)
int ps3_repository_dump_resource_info(unsigned int bus_index,
	unsigned int dev_index)
{
	int result = 0;
	unsigned int res_index;

	pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
		bus_index, dev_index);

	for (res_index = 0; res_index < 10; res_index++) {
		enum ps3_interrupt_type intr_type;
		unsigned int interrupt_id;

		result = ps3_repository_read_dev_intr(bus_index, dev_index,
			res_index, &intr_type, &interrupt_id);

		if (result) {
			if (result !=  LV1_NO_ENTRY)
				pr_debug("%s:%d ps3_repository_read_dev_intr"
					" (%u:%u) failed\n", __func__, __LINE__,
					bus_index, dev_index);
			break;
		}

		pr_debug("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n",
			__func__, __LINE__, bus_index, dev_index, intr_type,
			interrupt_id);
	}
int ps3_repository_find_device(struct ps3_repository_device *repo)
{
	int result;
	struct ps3_repository_device tmp = *repo;
	unsigned int num_dev;

	for (res_index = 0; res_index < 10; res_index++) {
		enum ps3_reg_type reg_type;
		u64 bus_addr;
		u64 len;
	BUG_ON(repo->bus_index > 10);
	BUG_ON(repo->dev_index > 10);

		result = ps3_repository_read_dev_reg(bus_index, dev_index,
			res_index, &reg_type, &bus_addr, &len);
	result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev);

	if (result) {
			if (result !=  LV1_NO_ENTRY)
				pr_debug("%s:%d ps3_repository_read_dev_reg"
					" (%u:%u) failed\n", __func__, __LINE__,
					bus_index, dev_index);
			break;
		}

		pr_debug("%s:%d (%u:%u) reg_type %u, bus_addr %lxh, len %lxh\n",
			__func__, __LINE__, bus_index, dev_index, reg_type,
			bus_addr, len);
	}

	pr_debug(" <- %s:%d\n", __func__, __LINE__);
		pr_debug("%s:%d read_bus_num_dev failed\n", __func__, __LINE__);
		return result;
	}

static int dump_stor_dev_info(unsigned int bus_index, unsigned int dev_index)
{
	int result = 0;
	unsigned int num_regions, region_index;
	u64 port, blk_size, num_blocks;

	pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
		bus_index, dev_index);
	pr_debug("%s:%d: bus_type %u, bus_index %u, bus_id %u, num_dev %u\n",
		__func__, __LINE__, tmp.bus_type, tmp.bus_index, tmp.bus_id,
		num_dev);

	result = ps3_repository_read_stor_dev_info(bus_index, dev_index, &port,
		&blk_size, &num_blocks, &num_regions);
	if (result) {
		pr_debug("%s:%d ps3_repository_read_stor_dev_info"
			" (%u:%u) failed\n", __func__, __LINE__,
			bus_index, dev_index);
		goto out;
	if (tmp.dev_index >= num_dev) {
		pr_debug("%s:%d: no device found\n", __func__, __LINE__);
		return -ENODEV;
	}

	pr_debug("%s:%d  (%u:%u): port %lu, blk_size %lu, num_blocks "
		 "%lu, num_regions %u\n",
		 __func__, __LINE__, bus_index, dev_index, port,
		 blk_size, num_blocks, num_regions);
	result = ps3_repository_read_dev_type(tmp.bus_index, tmp.dev_index,
		&tmp.dev_type);

	for (region_index = 0; region_index < num_regions; region_index++) {
		unsigned int region_id;
		u64 region_start, region_size;

		result = ps3_repository_read_stor_dev_region(bus_index,
			dev_index, region_index, &region_id, &region_start,
			&region_size);
	if (result) {
			 pr_debug("%s:%d ps3_repository_read_stor_dev_region"
				  " (%u:%u) failed\n", __func__, __LINE__,
				  bus_index, dev_index);
			break;
		}

		pr_debug("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n",
			 __func__, __LINE__, bus_index, dev_index, region_id,
			 region_start, region_size);
	}

out:
	pr_debug(" <- %s:%d\n", __func__, __LINE__);
		pr_debug("%s:%d read_dev_type failed\n", __func__, __LINE__);
		return result;
	}

static int dump_device_info(unsigned int bus_index, enum ps3_bus_type bus_type,
			    unsigned int num_dev)
{
	int result = 0;
	unsigned int dev_index;

	pr_debug(" -> %s:%d: bus_%u\n", __func__, __LINE__, bus_index);

	for (dev_index = 0; dev_index < num_dev; dev_index++) {
		enum ps3_dev_type dev_type;
		unsigned int dev_id;

		result = ps3_repository_read_dev_type(bus_index, dev_index,
			&dev_type);
	result = ps3_repository_read_dev_id(tmp.bus_index, tmp.dev_index,
		&tmp.dev_id);

	if (result) {
			pr_debug("%s:%d ps3_repository_read_dev_type"
				" (%u:%u) failed\n", __func__, __LINE__,
				bus_index, dev_index);
			break;
		pr_debug("%s:%d ps3_repository_read_dev_id failed\n", __func__,
		__LINE__);
		return result;
	}

		result = ps3_repository_read_dev_id(bus_index, dev_index,
			&dev_id);
	pr_debug("%s:%d: found: dev_type %u, dev_index %u, dev_id %u\n",
		__func__, __LINE__, tmp.dev_type, tmp.dev_index, tmp.dev_id);

		if (result) {
			pr_debug("%s:%d ps3_repository_read_dev_id"
				" (%u:%u) failed\n", __func__, __LINE__,
				bus_index, dev_index);
			continue;
	*repo = tmp;
	return 0;
}

		pr_debug("%s:%d  (%u:%u): dev_type %u, dev_id %u\n", __func__,
			__LINE__, bus_index, dev_index, dev_type, dev_id);

		ps3_repository_dump_resource_info(bus_index, dev_index);

		if (bus_type == PS3_BUS_TYPE_STORAGE)
			dump_stor_dev_info(bus_index, dev_index);
	}

	pr_debug(" <- %s:%d\n", __func__, __LINE__);
	return result;
}

int ps3_repository_dump_bus_info(void)
int __devinit ps3_repository_find_devices(enum ps3_bus_type bus_type,
	int (*callback)(const struct ps3_repository_device *repo))
{
	int result = 0;
	unsigned int bus_index;
	struct ps3_repository_device repo;

	pr_debug(" -> %s:%d\n", __func__, __LINE__);
	pr_debug(" -> %s:%d: find bus_type %u\n", __func__, __LINE__, bus_type);

	for (bus_index = 0; bus_index < 10; bus_index++) {
		enum ps3_bus_type bus_type;
		unsigned int bus_id;
		unsigned int num_dev;
	for (repo.bus_index = 0; repo.bus_index < 10; repo.bus_index++) {

		result = ps3_repository_read_bus_type(bus_index, &bus_type);
		result = ps3_repository_read_bus_type(repo.bus_index,
			&repo.bus_type);

		if (result) {
			pr_debug("%s:%d read_bus_type(%u) failed\n",
				__func__, __LINE__, bus_index);
				__func__, __LINE__, repo.bus_index);
			break;
		}

		result = ps3_repository_read_bus_id(bus_index, &bus_id);

		if (result) {
			pr_debug("%s:%d read_bus_id(%u) failed\n",
				__func__, __LINE__, bus_index);
		if (repo.bus_type != bus_type) {
			pr_debug("%s:%d: skip, bus_type %u\n", __func__,
				__LINE__, repo.bus_type);
			continue;
		}

		if (bus_index != bus_id)
			pr_debug("%s:%d bus_index != bus_id\n",
				__func__, __LINE__);

		result = ps3_repository_read_bus_num_dev(bus_index, &num_dev);
		result = ps3_repository_read_bus_id(repo.bus_index,
			&repo.bus_id);

		if (result) {
			pr_debug("%s:%d read_bus_num_dev(%u) failed\n",
				__func__, __LINE__, bus_index);
			pr_debug("%s:%d read_bus_id(%u) failed\n",
				__func__, __LINE__, repo.bus_index);
			continue;
		}

		pr_debug("%s:%d bus_%u: bus_type %u, bus_id %u, num_dev %u\n",
			__func__, __LINE__, bus_index, bus_type, bus_id,
			num_dev);

		dump_device_info(bus_index, bus_type, num_dev);
	}

	pr_debug(" <- %s:%d\n", __func__, __LINE__);
	return result;
}
#endif /* defined(DEBUG) */
		for (repo.dev_index = 0; ; repo.dev_index++) {
			result = ps3_repository_find_device(&repo);

static int find_device(unsigned int bus_index, unsigned int num_dev,
	unsigned int start_dev_index, enum ps3_dev_type dev_type,
	struct ps3_repository_device *dev)
{
	int result = 0;
	unsigned int dev_index;

	pr_debug("%s:%d: find dev_type %u\n", __func__, __LINE__, dev_type);

	dev->dev_index = UINT_MAX;

	for (dev_index = start_dev_index; dev_index < num_dev; dev_index++) {
		enum ps3_dev_type x;
			if (result == -ENODEV) {
				result = 0;
				break;
			} else if (result)
				break;

		result = ps3_repository_read_dev_type(bus_index, dev_index,
			&x);
			result = callback(&repo);

			if (result) {
			pr_debug("%s:%d read_dev_type failed\n",
				__func__, __LINE__);
			return result;
		}

		if (x == dev_type)
				pr_debug("%s:%d: abort at callback\n", __func__,
					__LINE__);
				break;
			}

	if (dev_index == num_dev)
		return -1;

	pr_debug("%s:%d: found dev_type %u at dev_index %u\n",
		__func__, __LINE__, dev_type, dev_index);

	result = ps3_repository_read_dev_id(bus_index, dev_index,
		&dev->did.dev_id);

	if (result) {
		pr_debug("%s:%d read_dev_id failed\n",
			__func__, __LINE__);
		return result;
		}
		break;
	}

	dev->dev_index = dev_index;

	pr_debug("%s:%d found: dev_id %u\n", __func__, __LINE__,
		dev->did.dev_id);

	pr_debug(" <- %s:%d\n", __func__, __LINE__);
	return result;
}

int ps3_repository_find_device (enum ps3_bus_type bus_type,
	enum ps3_dev_type dev_type,
	const struct ps3_repository_device *start_dev,
	struct ps3_repository_device *dev)
int ps3_repository_find_bus(enum ps3_bus_type bus_type, unsigned int from,
	unsigned int *bus_index)
{
	int result = 0;
	unsigned int bus_index;
	unsigned int num_dev;

	pr_debug("%s:%d: find bus_type %u, dev_type %u\n", __func__, __LINE__,
		bus_type, dev_type);

	BUG_ON(start_dev && start_dev->bus_index > 10);

	for (bus_index = start_dev ? start_dev->bus_index : 0; bus_index < 10;
		bus_index++) {
		enum ps3_bus_type x;

		result = ps3_repository_read_bus_type(bus_index, &x);
	unsigned int i;
	enum ps3_bus_type type;
	int error;

		if (result) {
	for (i = from; i < 10; i++) {
		error = ps3_repository_read_bus_type(i, &type);
		if (error) {
			pr_debug("%s:%d read_bus_type failed\n",
				__func__, __LINE__);
			dev->bus_index = UINT_MAX;
			return result;
		}
		if (x == bus_type)
			break;
	}

	if (bus_index >= 10)
		return -ENODEV;

	pr_debug("%s:%d: found bus_type %u at bus_index %u\n",
		__func__, __LINE__, bus_type, bus_index);

	result = ps3_repository_read_bus_num_dev(bus_index, &num_dev);

	if (result) {
		pr_debug("%s:%d read_bus_num_dev failed\n",
			__func__, __LINE__);
		return result;
			*bus_index = UINT_MAX;
			return error;
		}

	result = find_device(bus_index, num_dev, start_dev
		? start_dev->dev_index + 1 : 0, dev_type, dev);

	if (result) {
		pr_debug("%s:%d get_did failed\n", __func__, __LINE__);
		return result;
		if (type == bus_type) {
			*bus_index = i;
			return 0;
		}

	result = ps3_repository_read_bus_id(bus_index, &dev->did.bus_id);

	if (result) {
		pr_debug("%s:%d read_bus_id failed\n",
			__func__, __LINE__);
		return result;
	}

	dev->bus_index = bus_index;

	pr_debug("%s:%d found: bus_id %u, dev_id %u\n",
		__func__, __LINE__, dev->did.bus_id, dev->did.dev_id);

	return result;
	*bus_index = UINT_MAX;
	return -ENODEV;
}

int ps3_repository_find_interrupt(const struct ps3_repository_device *dev,
int ps3_repository_find_interrupt(const struct ps3_repository_device *repo,
	enum ps3_interrupt_type intr_type, unsigned int *interrupt_id)
{
	int result = 0;
@@ -645,8 +461,8 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *dev,
		enum ps3_interrupt_type t;
		unsigned int id;

		result = ps3_repository_read_dev_intr(dev->bus_index,
			dev->dev_index, res_index, &t, &id);
		result = ps3_repository_read_dev_intr(repo->bus_index,
			repo->dev_index, res_index, &t, &id);

		if (result) {
			pr_debug("%s:%d read_dev_intr failed\n",
@@ -669,7 +485,7 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *dev,
	return result;
}

int ps3_repository_find_reg(const struct ps3_repository_device *dev,
int ps3_repository_find_reg(const struct ps3_repository_device *repo,
	enum ps3_reg_type reg_type, u64 *bus_addr, u64 *len)
{
	int result = 0;
@@ -684,8 +500,8 @@ int ps3_repository_find_reg(const struct ps3_repository_device *dev,
		u64 a;
		u64 l;

		result = ps3_repository_read_dev_reg(dev->bus_index,
			dev->dev_index, res_index, &t, &a, &l);
		result = ps3_repository_read_dev_reg(repo->bus_index,
			repo->dev_index, res_index, &t, &a, &l);

		if (result) {
			pr_debug("%s:%d read_dev_reg failed\n",
@@ -965,6 +781,36 @@ int ps3_repository_read_boot_dat_size(unsigned int *size)
	return result;
}

int ps3_repository_read_vuart_av_port(unsigned int *port)
{
	int result;
	u64 v1;

	result = read_node(PS3_LPAR_ID_CURRENT,
		make_first_field("bi", 0),
		make_field("vir_uart", 0),
		make_field("port", 0),
		make_field("avset", 0),
		&v1, 0);
	*port = v1;
	return result;
}

int ps3_repository_read_vuart_sysmgr_port(unsigned int *port)
{
	int result;
	u64 v1;

	result = read_node(PS3_LPAR_ID_CURRENT,
		make_first_field("bi", 0),
		make_field("vir_uart", 0),
		make_field("port", 0),
		make_field("sysmgr", 0),
		&v1, 0);
	*port = v1;
	return result;
}

/**
  * ps3_repository_read_boot_dat_info - Get address and size of cell_ext_os_area.
  * address: lpar address of cell_ext_os_area
@@ -1026,3 +872,205 @@ int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq)
	return result ? result
		: ps3_repository_read_tb_freq(node_id, tb_freq);
}

#if defined(DEBUG)

int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)
{
	int result = 0;
	unsigned int res_index;

	pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
		repo->bus_index, repo->dev_index);

	for (res_index = 0; res_index < 10; res_index++) {
		enum ps3_interrupt_type intr_type;
		unsigned int interrupt_id;

		result = ps3_repository_read_dev_intr(repo->bus_index,
			repo->dev_index, res_index, &intr_type, &interrupt_id);

		if (result) {
			if (result !=  LV1_NO_ENTRY)
				pr_debug("%s:%d ps3_repository_read_dev_intr"
					" (%u:%u) failed\n", __func__, __LINE__,
					repo->bus_index, repo->dev_index);
			break;
		}

		pr_debug("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n",
			__func__, __LINE__, repo->bus_index, repo->dev_index,
			intr_type, interrupt_id);
	}

	for (res_index = 0; res_index < 10; res_index++) {
		enum ps3_reg_type reg_type;
		u64 bus_addr;
		u64 len;

		result = ps3_repository_read_dev_reg(repo->bus_index,
			repo->dev_index, res_index, &reg_type, &bus_addr, &len);

		if (result) {
			if (result !=  LV1_NO_ENTRY)
				pr_debug("%s:%d ps3_repository_read_dev_reg"
					" (%u:%u) failed\n", __func__, __LINE__,
					repo->bus_index, repo->dev_index);
			break;
		}

		pr_debug("%s:%d (%u:%u) reg_type %u, bus_addr %lxh, len %lxh\n",
			__func__, __LINE__, repo->bus_index, repo->dev_index,
			reg_type, bus_addr, len);
	}

	pr_debug(" <- %s:%d\n", __func__, __LINE__);
	return result;
}

static int dump_stor_dev_info(struct ps3_repository_device *repo)
{
	int result = 0;
	unsigned int num_regions, region_index;
	u64 port, blk_size, num_blocks;

	pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
		repo->bus_index, repo->dev_index);

	result = ps3_repository_read_stor_dev_info(repo->bus_index,
		repo->dev_index, &port, &blk_size, &num_blocks, &num_regions);
	if (result) {
		pr_debug("%s:%d ps3_repository_read_stor_dev_info"
			" (%u:%u) failed\n", __func__, __LINE__,
			repo->bus_index, repo->dev_index);
		goto out;
	}

	pr_debug("%s:%d  (%u:%u): port %lu, blk_size %lu, num_blocks "
		 "%lu, num_regions %u\n",
		 __func__, __LINE__, repo->bus_index, repo->dev_index, port,
		 blk_size, num_blocks, num_regions);

	for (region_index = 0; region_index < num_regions; region_index++) {
		unsigned int region_id;
		u64 region_start, region_size;

		result = ps3_repository_read_stor_dev_region(repo->bus_index,
			repo->dev_index, region_index, &region_id,
			&region_start, &region_size);
		if (result) {
			 pr_debug("%s:%d ps3_repository_read_stor_dev_region"
				  " (%u:%u) failed\n", __func__, __LINE__,
				  repo->bus_index, repo->dev_index);
			break;
		}

		pr_debug("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n",
			__func__, __LINE__, repo->bus_index, repo->dev_index,
			region_id, region_start, region_size);
	}

out:
	pr_debug(" <- %s:%d\n", __func__, __LINE__);
	return result;
}

static int dump_device_info(struct ps3_repository_device *repo,
	unsigned int num_dev)
{
	int result = 0;

	pr_debug(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index);

	for (repo->dev_index = 0; repo->dev_index < num_dev;
		repo->dev_index++) {

		result = ps3_repository_read_dev_type(repo->bus_index,
			repo->dev_index, &repo->dev_type);

		if (result) {
			pr_debug("%s:%d ps3_repository_read_dev_type"
				" (%u:%u) failed\n", __func__, __LINE__,
				repo->bus_index, repo->dev_index);
			break;
		}

		result = ps3_repository_read_dev_id(repo->bus_index,
			repo->dev_index, &repo->dev_id);

		if (result) {
			pr_debug("%s:%d ps3_repository_read_dev_id"
				" (%u:%u) failed\n", __func__, __LINE__,
				repo->bus_index, repo->dev_index);
			continue;
		}

		pr_debug("%s:%d  (%u:%u): dev_type %u, dev_id %u\n", __func__,
			__LINE__, repo->bus_index, repo->dev_index,
			repo->dev_type, repo->dev_id);

		ps3_repository_dump_resource_info(repo);

		if (repo->bus_type == PS3_BUS_TYPE_STORAGE)
			dump_stor_dev_info(repo);
	}

	pr_debug(" <- %s:%d\n", __func__, __LINE__);
	return result;
}

int ps3_repository_dump_bus_info(void)
{
	int result = 0;
	struct ps3_repository_device repo;

	pr_debug(" -> %s:%d\n", __func__, __LINE__);

	memset(&repo, 0, sizeof(repo));

	for (repo.bus_index = 0; repo.bus_index < 10; repo.bus_index++) {
		unsigned int num_dev;

		result = ps3_repository_read_bus_type(repo.bus_index,
			&repo.bus_type);

		if (result) {
			pr_debug("%s:%d read_bus_type(%u) failed\n",
				__func__, __LINE__, repo.bus_index);
			break;
		}

		result = ps3_repository_read_bus_id(repo.bus_index,
			&repo.bus_id);

		if (result) {
			pr_debug("%s:%d read_bus_id(%u) failed\n",
				__func__, __LINE__, repo.bus_index);
			continue;
		}

		if (repo.bus_index != repo.bus_id)
			pr_debug("%s:%d bus_index != bus_id\n",
				__func__, __LINE__);

		result = ps3_repository_read_bus_num_dev(repo.bus_index,
			&num_dev);

		if (result) {
			pr_debug("%s:%d read_bus_num_dev(%u) failed\n",
				__func__, __LINE__, repo.bus_index);
			continue;
		}

		pr_debug("%s:%d bus_%u: bus_type %u, bus_id %u, num_dev %u\n",
			__func__, __LINE__, repo.bus_index, repo.bus_type,
			repo.bus_id, num_dev);

		dump_device_info(&repo, num_dev);
	}

	pr_debug(" <- %s:%d\n", __func__, __LINE__);
	return result;
}

#endif /* defined(DEBUG) */