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authorAlex Elder <elder@linaro.org>2023-03-16 09:51:35 -0500
committerJakub Kicinski <kuba@kernel.org>2023-03-16 21:33:18 -0700
commit786bbe50e1d5777f0b6ec7b4c2de6189d6f7feb4 (patch)
treeef0c8ba58f599e0188bb5f4cb8ab5250b4d17562
parent55c49e5c94411a82a0ba06dc615ed12b6387dec5 (diff)
downloadlinux-786bbe50e1d5777f0b6ec7b4c2de6189d6f7feb4.tar.gz
linux-786bbe50e1d5777f0b6ec7b4c2de6189d6f7feb4.tar.xz
net: ipa: kill FILT_ROUT_CACHE_CFG IPA register
A recent commit defined a few IPA registers used for IPA v5.0+. One of those was a mistake. Although the filter and router caches get *flushed* using a single register, they use distinct registers (ENDP_FILTER_CACHE_CFG and ENDP_ROUTER_CACHE_CFG) for configuration. And although there *exists* a FILT_ROUT_CACHE_CFG register, it is not needed in upstream code. So get rid of definitions related to FILT_ROUT_CACHE_CFG, because they are not needed. Fixes: 8ba59716d16a ("net: ipa: define IPA v5.0+ registers") Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ipa/ipa_reg.c4
-rw-r--r--drivers/net/ipa/ipa_reg.h9
2 files changed, 2 insertions, 11 deletions
diff --git a/drivers/net/ipa/ipa_reg.c b/drivers/net/ipa/ipa_reg.c
index 735fa6591609..463a31dfa9f4 100644
--- a/drivers/net/ipa/ipa_reg.c
+++ b/drivers/net/ipa/ipa_reg.c
@@ -39,7 +39,8 @@ static bool ipa_reg_id_valid(struct ipa *ipa, enum ipa_reg_id reg_id)
return version <= IPA_VERSION_3_1;
case ENDP_FILTER_ROUTER_HSH_CFG:
- return version != IPA_VERSION_4_2;
+ return version < IPA_VERSION_5_0 &&
+ version != IPA_VERSION_4_2;
case IRQ_SUSPEND_EN:
case IRQ_SUSPEND_CLR:
@@ -52,7 +53,6 @@ static bool ipa_reg_id_valid(struct ipa *ipa, enum ipa_reg_id reg_id)
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:
diff --git a/drivers/net/ipa/ipa_reg.h b/drivers/net/ipa/ipa_reg.h
index 28aa1351dd48..ff2be8be0f68 100644
--- a/drivers/net/ipa/ipa_reg.h
+++ b/drivers/net/ipa/ipa_reg.h
@@ -61,7 +61,6 @@ enum ipa_reg_id {
QSB_MAX_WRITES,
QSB_MAX_READS,
FILT_ROUT_HASH_EN, /* Not IPA v5.0+ */
- FILT_ROUT_CACHE_CFG, /* IPA v5.0+ */
FILT_ROUT_HASH_FLUSH, /* Not IPA v5.0+ */
FILT_ROUT_CACHE_FLUSH, /* IPA v5.0+ */
STATE_AGGR_ACTIVE,
@@ -206,14 +205,6 @@ enum ipa_reg_qsb_max_reads_field_id {
GEN_QMB_1_MAX_READS_BEATS, /* IPA v4.0+ */
};
-/* FILT_ROUT_CACHE_CFG register */
-enum ipa_reg_filt_rout_cache_cfg_field_id {
- ROUTER_CACHE_EN,
- FILTER_CACHE_EN,
- LOW_PRI_HASH_HIT_DISABLE,
- LRU_EVICTION_THRESHOLD,
-};
-
/* FILT_ROUT_HASH_EN and FILT_ROUT_HASH_FLUSH registers */
enum ipa_reg_filt_rout_hash_field_id {
IPV6_ROUTER_HASH,