net: ipa: switch to version based configuration

Rename the SDM845 configuration data file so that its name is
derived from its IPA version.  I am not aware of any special IPA
behavior or handling that would be based on a specific SoC (as
opposed to a specific version of the IPA it contains).

Update a few other references to the code that talk about the SDM845
rather than just IPA v3.5.1.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ipa/Kconfig

@@ -12,8 +12,7 @@ config QCOM_IPA
 	  that is capable of generic hardware handling of IP packets,
 	  including routing, filtering, and NAT.  Currently the IPA
 	  driver supports only basic transport of network traffic
-	  between the AP and modem, on the Qualcomm SDM845 and SC7180
-	  SoCs.
+	  between the AP and modem.
 
 	  Note that if selected, the selection type must match that
 	  of QCOM_Q6V5_COMMON (Y or M).

drivers/net/ipa/Makefile

@@ -9,4 +9,4 @@ ipa-y			:=	ipa_main.o ipa_clock.o ipa_reg.o ipa_mem.o \
 				ipa_endpoint.o ipa_cmd.o ipa_modem.o \
 				ipa_resource.o ipa_qmi.o ipa_qmi_msg.o
 
-ipa-y			+=	ipa_data-sdm845.o ipa_data-sc7180.o
+ipa-y			+=	ipa_data-v3.5.1.o ipa_data-sc7180.o

drivers/net/ipa/ipa_data-sdm845.c → drivers/net/ipa/ipa_data-v3.5.1.c

@@ -11,7 +11,7 @@
 #include "ipa_endpoint.h"
 #include "ipa_mem.h"
 
-/** enum ipa_resource_type - IPA resource types */
+/** enum ipa_resource_type - IPA resource types for an SoC having IPA v3.5.1 */
 enum ipa_resource_type {
 	/* Source resource types; first must have value 0 */
 	IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS		= 0,
@@ -25,7 +25,7 @@ enum ipa_resource_type {
 	IPA_RESOURCE_TYPE_DST_DPS_DMARS,
 };
 
-/* Resource groups used for the SDM845 SoC */
+/* Resource groups used for an SoC having IPA v3.5.1 */
 enum ipa_rsrc_group_id {
 	/* Source resource group identifiers */
 	IPA_RSRC_GROUP_SRC_LWA_DL	= 0,
@@ -41,7 +41,7 @@ enum ipa_rsrc_group_id {
 	IPA_RSRC_GROUP_DST_COUNT,	/* Last; not a destination group */
 };
 
-/* QSB configuration for the SDM845 SoC. */
+/* QSB configuration data for an SoC having IPA v3.5.1 */
 static const struct ipa_qsb_data ipa_qsb_data[] = {
 	[IPA_QSB_MASTER_DDR] = {
 		.max_writes	= 8,
@@ -53,7 +53,7 @@ static const struct ipa_qsb_data ipa_qsb_data[] = {
 	},
 };
 
-/* Endpoint configuration for the SDM845 SoC. */
+/* Endpoint datdata for an SoC having IPA v3.5.1 */
 static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
 	[IPA_ENDPOINT_AP_COMMAND_TX] = {
 		.ee_id		= GSI_EE_AP,
@@ -170,7 +170,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
 	},
 };
 
-/* Source resource configuration data for the SDM845 SoC */
+/* Source resource configuration data for an SoC having IPA v3.5.1 */
 static const struct ipa_resource ipa_resource_src[] = {
 	[IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS] = {
 		.limits[IPA_RSRC_GROUP_SRC_LWA_DL] = {
@@ -232,7 +232,7 @@ static const struct ipa_resource ipa_resource_src[] = {
 	},
 };
 
-/* Destination resource configuration data for the SDM845 SoC */
+/* Destination resource configuration data for an SoC having IPA v3.5.1 */
 static const struct ipa_resource ipa_resource_dst[] = {
 	[IPA_RESOURCE_TYPE_DST_DATA_SECTORS] = {
 		.limits[IPA_RSRC_GROUP_DST_LWA_DL] = {
@@ -258,7 +258,7 @@ static const struct ipa_resource ipa_resource_dst[] = {
 	},
 };
 
-/* Resource configuration for the SDM845 SoC. */
+/* Resource configuration data for an SoC having IPA v3.5.1 */
 static const struct ipa_resource_data ipa_resource_data = {
 	.rsrc_group_src_count	= IPA_RSRC_GROUP_SRC_COUNT,
 	.rsrc_group_dst_count	= IPA_RSRC_GROUP_DST_COUNT,
@@ -268,7 +268,7 @@ static const struct ipa_resource_data ipa_resource_data = {
 	.resource_dst		= ipa_resource_dst,
 };
 
-/* IPA-resident memory region configuration for the SDM845 SoC. */
+/* IPA-resident memory region data for an SoC having IPA v3.5.1 */
 static const struct ipa_mem ipa_mem_local_data[] = {
 	[IPA_MEM_UC_SHARED] = {
 		.offset		= 0x0000,
@@ -347,6 +347,7 @@ static const struct ipa_mem ipa_mem_local_data[] = {
 	},
 };
 
+/* Memory configuration data for an SoC having IPA v3.5.1 */
 static const struct ipa_mem_data ipa_mem_data = {
 	.local_count	= ARRAY_SIZE(ipa_mem_local_data),
 	.local		= ipa_mem_local_data,
@@ -376,14 +377,15 @@ static const struct ipa_interconnect_data ipa_interconnect_data[] = {
 	},
 };
 
+/* Clock and interconnect configuration data for an SoC having IPA v3.5.1 */
 static const struct ipa_clock_data ipa_clock_data = {
 	.core_clock_rate	= 75 * 1000 * 1000,	/* Hz */
 	.interconnect_count	= ARRAY_SIZE(ipa_interconnect_data),
 	.interconnect_data	= ipa_interconnect_data,
 };
 
-/* Configuration data for the SDM845 SoC. */
-const struct ipa_data ipa_data_sdm845 = {
+/* Configuration data for an SoC having IPA v3.5.1 */
+const struct ipa_data ipa_data_v3_5_1 = {
 	.version	= IPA_VERSION_3_5_1,
 	.backward_compat = BCR_CMDQ_L_LACK_ONE_ENTRY_FMASK |
 			   BCR_TX_NOT_USING_BRESP_FMASK |

drivers/net/ipa/ipa_data.h

@@ -300,7 +300,7 @@ struct ipa_data {
 	const struct ipa_clock_data *clock_data;
 };
 
-extern const struct ipa_data ipa_data_sdm845;
+extern const struct ipa_data ipa_data_v3_5_1;
 extern const struct ipa_data ipa_data_sc7180;
 
 #endif /* _IPA_DATA_H_ */

drivers/net/ipa/ipa_main.c

@@ -578,7 +578,7 @@ static int ipa_firmware_load(struct device *dev)
 static const struct of_device_id ipa_match[] = {
 	{
 		.compatible	= "qcom,sdm845-ipa",
-		.data		= &ipa_data_sdm845,
+		.data		= &ipa_data_v3_5_1,
 	},
 	{
 		.compatible	= "qcom,sc7180-ipa",