linux-kernel - [PATCH net-next 1/8] net: ipa: don't use u32p_replace

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Date:   Thu, 22 Sep 2022 17:20:53 -0500
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com
Cc:     mka@...omium.org, evgreen@...omium.org, andersson@...nel.org,
        quic_cpratapa@...cinc.com, quic_avuyyuru@...cinc.com,
        quic_jponduru@...cinc.com, quic_subashab@...cinc.com,
        elder@...nel.org, netdev@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 1/8] net: ipa: don't use u32p_replace_bits()

In two spots we use u32_replace_bits() to replace a set of bits in a
register while preserving the rest.  Both of those cases just zero
the bits being replaced, and this can be done more simply without
using that function.

Signed-off-by: Alex Elder <elder@...aro.org>
---
 drivers/net/ipa/ipa_table.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c
index 69efe672ca528..037cec2fd5942 100644
--- a/drivers/net/ipa/ipa_table.c
+++ b/drivers/net/ipa/ipa_table.c
@@ -524,7 +524,7 @@ static void ipa_filter_tuple_zero(struct ipa_endpoint *endpoint)
 	val = ioread32(endpoint->ipa->reg_virt + offset);
 
 	/* Zero all filter-related fields, preserving the rest */
-	u32p_replace_bits(&val, 0, IPA_REG_ENDP_FILTER_HASH_MSK_ALL);
+	val &= ~IPA_REG_ENDP_FILTER_HASH_MSK_ALL;
 
 	iowrite32(val, endpoint->ipa->reg_virt + offset);
 }
@@ -571,7 +571,7 @@ static void ipa_route_tuple_zero(struct ipa *ipa, u32 route_id)
 	val = ioread32(ipa->reg_virt + offset);
 
 	/* Zero all route-related fields, preserving the rest */
-	u32p_replace_bits(&val, 0, IPA_REG_ENDP_ROUTER_HASH_MSK_ALL);
+	val &= ~IPA_REG_ENDP_ROUTER_HASH_MSK_ALL;
 
 	iowrite32(val, ipa->reg_virt + offset);
 }
-- 
2.34.1