diff options
Diffstat (limited to 'drivers/net/ipa/ipa_mem.c')
| -rw-r--r-- | drivers/net/ipa/ipa_mem.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c index cb70f063320c..29c626c46abf 100644 --- a/drivers/net/ipa/ipa_mem.c +++ b/drivers/net/ipa/ipa_mem.c @@ -99,6 +99,36 @@ int ipa_mem_setup(struct ipa *ipa) return 0; } +/* Must the given memory region be present in the configuration? */ +static bool ipa_mem_id_required(struct ipa *ipa, enum ipa_mem_id mem_id) +{ + switch (mem_id) { + case IPA_MEM_UC_SHARED: + case IPA_MEM_UC_INFO: + case IPA_MEM_V4_FILTER_HASHED: + case IPA_MEM_V4_FILTER: + case IPA_MEM_V6_FILTER_HASHED: + case IPA_MEM_V6_FILTER: + case IPA_MEM_V4_ROUTE_HASHED: + case IPA_MEM_V4_ROUTE: + case IPA_MEM_V6_ROUTE_HASHED: + case IPA_MEM_V6_ROUTE: + case IPA_MEM_MODEM_HEADER: + case IPA_MEM_MODEM_PROC_CTX: + case IPA_MEM_AP_PROC_CTX: + case IPA_MEM_MODEM: + return true; + + case IPA_MEM_PDN_CONFIG: + case IPA_MEM_STATS_QUOTA_MODEM: + case IPA_MEM_STATS_TETHERING: + return ipa->version >= IPA_VERSION_4_0; + + default: + return false; /* Anything else is optional */ + } +} + static bool ipa_mem_valid_one(struct ipa *ipa, const struct ipa_mem *mem) { struct device *dev = &ipa->pdev->dev; @@ -149,8 +179,20 @@ static bool ipa_mem_valid(struct ipa *ipa, const struct ipa_mem_data *mem_data) if (mem->offset) dev_warn(dev, "empty region %u has non-zero offset\n", mem_id); + + if (ipa_mem_id_required(ipa, mem_id)) { + dev_err(dev, "required memory region %u missing\n", + mem_id); + return false; + } } + /* Now see if any required regions are not defined */ + while (mem_id < IPA_MEM_COUNT) + if (ipa_mem_id_required(ipa, mem_id++)) + dev_err(dev, "required memory region %u missing\n", + mem_id); + return true; } |