[net-next,4/9] net: ipa: tighten up IPA register validity checking
Commit Message
When checking the validity of an IPA register ID, compare it against
all possible ipa_reg_id values.
Rename the function ipa_reg_id_valid() to be specific about what's
being checked.
Signed-off-by: Alex Elder <elder@linaro.org>
---
drivers/net/ipa/ipa_reg.c | 49 +++++++++++++++++++++++++++++++++++----
1 file changed, 45 insertions(+), 4 deletions(-)
@@ -9,8 +9,8 @@
#include "ipa.h"
#include "ipa_reg.h"
-/* Is this register valid and defined for the current IPA version? */
-static bool ipa_reg_valid(struct ipa *ipa, enum ipa_reg_id reg_id)
+/* Is this register ID valid for the current IPA version? */
+static bool ipa_reg_id_valid(struct ipa *ipa, enum ipa_reg_id reg_id)
{
enum ipa_version version = ipa->version;
bool valid;
@@ -57,8 +57,49 @@ static bool ipa_reg_valid(struct ipa *ipa, enum ipa_reg_id reg_id)
valid = version >= IPA_VERSION_3_1;
break;
+ case COMP_CFG:
+ case CLKON_CFG:
+ case ROUTE:
+ case SHARED_MEM_SIZE:
+ case QSB_MAX_WRITES:
+ case QSB_MAX_READS:
+ case FILT_ROUT_HASH_EN:
+ case FILT_ROUT_CACHE_CFG:
+ case FILT_ROUT_HASH_FLUSH:
+ case FILT_ROUT_CACHE_FLUSH:
+ case STATE_AGGR_ACTIVE:
+ case LOCAL_PKT_PROC_CNTXT:
+ case AGGR_FORCE_CLOSE:
+ case SRC_RSRC_GRP_01_RSRC_TYPE:
+ case SRC_RSRC_GRP_23_RSRC_TYPE:
+ case DST_RSRC_GRP_01_RSRC_TYPE:
+ case DST_RSRC_GRP_23_RSRC_TYPE:
+ case ENDP_INIT_CTRL:
+ case ENDP_INIT_CFG:
+ case ENDP_INIT_NAT:
+ case ENDP_INIT_HDR:
+ case ENDP_INIT_HDR_EXT:
+ case ENDP_INIT_HDR_METADATA_MASK:
+ case ENDP_INIT_MODE:
+ case ENDP_INIT_AGGR:
+ case ENDP_INIT_HOL_BLOCK_EN:
+ case ENDP_INIT_HOL_BLOCK_TIMER:
+ case ENDP_INIT_DEAGGR:
+ case ENDP_INIT_RSRC_GRP:
+ case ENDP_INIT_SEQ:
+ case ENDP_STATUS:
+ case ENDP_FILTER_CACHE_CFG:
+ case ENDP_ROUTER_CACHE_CFG:
+ case IPA_IRQ_STTS:
+ case IPA_IRQ_EN:
+ case IPA_IRQ_CLR:
+ case IPA_IRQ_UC:
+ case IRQ_SUSPEND_INFO:
+ valid = true; /* These should be defined for all versions */
+ break;
+
default:
- valid = true; /* Others should be defined for all versions */
+ valid = false;
break;
}
@@ -69,7 +110,7 @@ static bool ipa_reg_valid(struct ipa *ipa, enum ipa_reg_id reg_id)
const struct ipa_reg *ipa_reg(struct ipa *ipa, enum ipa_reg_id reg_id)
{
- if (WARN_ON(!ipa_reg_valid(ipa, reg_id)))
+ if (WARN_ON(!ipa_reg_id_valid(ipa, reg_id)))
return NULL;
return ipa->regs->reg[reg_id];