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Subject[PATCH net-next 6/8] net: ipa: encapsulate setting the FILT_ROUT_HASH_EN register
Date
Create a new function that encapsulates setting the register flag
that disables filter and routing table hashing for IPA v4.2.

Signed-off-by: Alex Elder <elder@linaro.org>
---
drivers/net/ipa/ipa_main.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 9dfa7f58a207f..cca270d2d9a68 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -306,6 +306,18 @@ static void ipa_qtime_config(struct ipa *ipa)
iowrite32(val, ipa->reg_virt + IPA_REG_TIMERS_XO_CLK_DIV_CFG_OFFSET);
}

+static void ipa_hardware_config_hashing(struct ipa *ipa)
+{
+ u32 offset;
+
+ if (ipa->version != IPA_VERSION_4_2)
+ return;
+
+ /* IPA v4.2 does not support hashed tables, so disable them */
+ offset = ipa_reg_filt_rout_hash_en_offset(IPA_VERSION_4_2);
+ iowrite32(0, ipa->reg_virt + offset);
+}
+
static void ipa_idle_indication_cfg(struct ipa *ipa,
u32 enter_idle_debounce_thresh,
bool const_non_idle_enable)
@@ -390,14 +402,7 @@ static void ipa_hardware_config(struct ipa *ipa, const struct ipa_data *data)
ipa_qtime_config(ipa);
}

- /* IPA v4.2 does not support hashed tables, so disable them */
- if (version == IPA_VERSION_4_2) {
- u32 offset = ipa_reg_filt_rout_hash_en_offset(version);
-
- iowrite32(0, ipa->reg_virt + offset);
- }
-
- /* Enable dynamic clock division */
+ ipa_hardware_config_hashing(ipa);
ipa_hardware_dcd_config(ipa);
}

--
2.34.1
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