linux-kernel - [PATCH net-next 2/7] net: ipa: change an IPA v5.0 memory requirement

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Message-Id: <20221027122632.488694-3-elder@linaro.org>
Date:   Thu, 27 Oct 2022 07:26:27 -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 2/7] net: ipa: change an IPA v5.0 memory requirement

Don't require IPA v5.0 to have a STATS_TETHERING memory region.
Downstream defines its size to 0, so it apparently is unused.

Signed-off-by: Alex Elder <elder@...aro.org>
---
 drivers/net/ipa/ipa_mem.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c
index cb95402018394..9ec5af323f731 100644
--- a/drivers/net/ipa/ipa_mem.c
+++ b/drivers/net/ipa/ipa_mem.c
@@ -198,9 +198,12 @@ static bool ipa_mem_id_required(struct ipa *ipa, enum ipa_mem_id mem_id)
 
 	case IPA_MEM_PDN_CONFIG:
 	case IPA_MEM_STATS_QUOTA_MODEM:
-	case IPA_MEM_STATS_TETHERING:
 		return ipa->version >= IPA_VERSION_4_0;
 
+	case IPA_MEM_STATS_TETHERING:
+		return ipa->version >= IPA_VERSION_4_0 &&
+			ipa->version != IPA_VERSION_5_0;
+
 	default:
 		return false;		/* Anything else is optional */
 	}
-- 
2.34.1