linux-kernel - [PATCH net-next 04/12] net: ipa: add some missing resource limits

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Message-Id: <20210326151122.3121383-5-elder@linaro.org>
Date:   Fri, 26 Mar 2021 10:11:14 -0500
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     bjorn.andersson@...aro.org, evgreen@...omium.org,
        cpratapa@...eaurora.org, subashab@...eaurora.org, elder@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 04/12] net: ipa: add some missing resource limits

Currently, the SDM845 configuration data defines resource limits for
the first two resource groups (for both source and destination
resource types).  The hardware supports additional resource groups,
and we should program the resource limits for those groups as well.

Even the "unused" destination resource group (number 2) should have
non-zero limits programmed in some cases, to ensure correct operation.

Add these missing resource group limit definitions to the SDM845
configuration data.

Signed-off-by: Alex Elder <elder@...aro.org>
---
 drivers/net/ipa/ipa_data-sdm845.c | 32 +++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/drivers/net/ipa/ipa_data-sdm845.c b/drivers/net/ipa/ipa_data-sdm845.c
index b6ea6295e7598..3bc5fcfdf960c 100644
--- a/drivers/net/ipa/ipa_data-sdm845.c
+++ b/drivers/net/ipa/ipa_data-sdm845.c
@@ -178,6 +178,10 @@ static const struct ipa_resource_src ipa_resource_src[] = {
 			.min = 1,
 			.max = 255,
 		},
+		.limits[IPA_RSRC_GROUP_SRC_UC_RX_Q] = {
+			.min = 1,
+			.max = 63,
+		},
 	},
 	{
 		.type = IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS,
@@ -189,6 +193,10 @@ static const struct ipa_resource_src ipa_resource_src[] = {
 			.min = 10,
 			.max = 10,
 		},
+		.limits[IPA_RSRC_GROUP_SRC_UC_RX_Q] = {
+			.min = 8,
+			.max = 8,
+		},
 	},
 	{
 		.type = IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF,
@@ -200,6 +208,10 @@ static const struct ipa_resource_src ipa_resource_src[] = {
 			.min = 14,
 			.max = 14,
 		},
+		.limits[IPA_RSRC_GROUP_SRC_UC_RX_Q] = {
+			.min = 8,
+			.max = 8,
+		},
 	},
 	{
 		.type = IPA_RESOURCE_TYPE_SRC_HPS_DMARS,
@@ -211,6 +223,14 @@ static const struct ipa_resource_src ipa_resource_src[] = {
 			.min = 0,
 			.max = 63,
 		},
+		.limits[IPA_RSRC_GROUP_SRC_MHI_DMA] = {
+			.min = 0,
+			.max = 63,
+		},
+		.limits[IPA_RSRC_GROUP_SRC_UC_RX_Q] = {
+			.min = 0,
+			.max = 63,
+		},
 	},
 	{
 		.type = IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES,
@@ -222,6 +242,10 @@ static const struct ipa_resource_src ipa_resource_src[] = {
 			.min = 20,
 			.max = 20,
 		},
+		.limits[IPA_RSRC_GROUP_SRC_UC_RX_Q] = {
+			.min = 14,
+			.max = 14,
+		},
 	},
 };
 
@@ -237,6 +261,10 @@ static const struct ipa_resource_dst ipa_resource_dst[] = {
 			.min = 4,
 			.max = 4,
 		},
+		.limits[IPA_RSRC_GROUP_DST_UNUSED_2] = {
+			.min = 3,
+			.max = 3,
+		}
 	},
 	{
 		.type = IPA_RESOURCE_TYPE_DST_DPS_DMARS,
@@ -248,6 +276,10 @@ static const struct ipa_resource_dst ipa_resource_dst[] = {
 			.min = 1,
 			.max = 63,
 		},
+		.limits[IPA_RSRC_GROUP_DST_UNUSED_2] = {
+			.min = 1,
+			.max = 2,
+		}
 	},
 };
 
-- 
2.27.0