diff options
Diffstat (limited to 'drivers/bcma')
| -rw-r--r-- | drivers/bcma/scan.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c index cd6b20fce680..37768401d113 100644 --- a/drivers/bcma/scan.c +++ b/drivers/bcma/scan.c @@ -269,6 +269,8 @@ static struct bcma_device *bcma_find_core_reverse(struct bcma_bus *bus, u16 core return NULL; } +#define IS_ERR_VALUE_U32(x) ((x) >= (u32)-MAX_ERRNO) + static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, struct bcma_device_id *match, int core_num, struct bcma_device *core) @@ -351,11 +353,11 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, * the main register space for the core */ tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, 0); - if (tmp == 0 || IS_ERR_VALUE(tmp)) { + if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) { /* Try again to see if it is a bridge */ tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_BRIDGE, 0); - if (tmp == 0 || IS_ERR_VALUE(tmp)) { + if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) { return -EILSEQ; } else { bcma_info(bus, "Bridge found\n"); @@ -369,7 +371,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, for (j = 0; ; j++) { tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, i); - if (IS_ERR_VALUE(tmp)) { + if (IS_ERR_VALUE_U32(tmp)) { /* no more entries for port _i_ */ /* pr_debug("erom: slave port %d " * "has %d descriptors\n", i, j); */ @@ -386,7 +388,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, for (j = 0; ; j++) { tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_MWRAP, i); - if (IS_ERR_VALUE(tmp)) { + if (IS_ERR_VALUE_U32(tmp)) { /* no more entries for port _i_ */ /* pr_debug("erom: master wrapper %d " * "has %d descriptors\n", i, j); */ @@ -404,7 +406,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, for (j = 0; ; j++) { tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SWRAP, i + hack); - if (IS_ERR_VALUE(tmp)) { + if (IS_ERR_VALUE_U32(tmp)) { /* no more entries for port _i_ */ /* pr_debug("erom: master wrapper %d " * has %d descriptors\n", i, j); */ |