linux-kernel - [PATCH v2 15/17] soc: qcom: ipa: support build of IPA code

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Date:   Thu,  5 Mar 2020 22:28:29 -0600
From:   Alex Elder <elder@...aro.org>
To:     David Miller <davem@...emloft.net>, Arnd Bergmann <arnd@...db.de>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Johannes Berg <johannes@...solutions.net>,
        Dan Williams <dcbw@...hat.com>,
        Evan Green <evgreen@...gle.com>,
        Eric Caruso <ejcaruso@...gle.com>,
        Susheel Yadav Yadagiri <syadagir@...eaurora.org>,
        Chaitanya Pratapa <cpratapa@...eaurora.org>,
        Subash Abhinov Kasiviswanathan <subashab@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Siddharth Gupta <sidgup@...eaurora.org>,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 15/17] soc: qcom: ipa: support build of IPA code

Add build and Kconfig support for the Qualcomm IPA driver.

Signed-off-by: Alex Elder <elder@...aro.org>
---
 drivers/net/Kconfig      |  2 ++
 drivers/net/Makefile     |  1 +
 drivers/net/ipa/Kconfig  | 19 +++++++++++++++++++
 drivers/net/ipa/Makefile | 12 ++++++++++++
 4 files changed, 34 insertions(+)
 create mode 100644 drivers/net/ipa/Kconfig
 create mode 100644 drivers/net/ipa/Makefile

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 66e410e58c8e..02565bc2be8a 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -444,6 +444,8 @@ source "drivers/net/fddi/Kconfig"
 
 source "drivers/net/hippi/Kconfig"
 
+source "drivers/net/ipa/Kconfig"
+
 config NET_SB1000
 	tristate "General Instruments Surfboard 1000"
 	depends on PNP
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 65967246f240..94b60800887a 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -47,6 +47,7 @@ obj-$(CONFIG_ETHERNET) += ethernet/
 obj-$(CONFIG_FDDI) += fddi/
 obj-$(CONFIG_HIPPI) += hippi/
 obj-$(CONFIG_HAMRADIO) += hamradio/
+obj-$(CONFIG_QCOM_IPA) += ipa/
 obj-$(CONFIG_PLIP) += plip/
 obj-$(CONFIG_PPP) += ppp/
 obj-$(CONFIG_PPP_ASYNC) += ppp/
diff --git a/drivers/net/ipa/Kconfig b/drivers/net/ipa/Kconfig
new file mode 100644
index 000000000000..b8cb7cadbf75
--- /dev/null
+++ b/drivers/net/ipa/Kconfig
@@ -0,0 +1,19 @@
+config QCOM_IPA
+	tristate "Qualcomm IPA support"
+	depends on ARCH_QCOM && 64BIT && NET
+	select QCOM_QMI_HELPERS
+	select QCOM_MDT_LOADER
+	default QCOM_Q6V5_COMMON
+	help
+	  Choose Y or M here to include support for the Qualcomm
+	  IP Accelerator (IPA), a hardware block present in some
+	  Qualcomm SoCs.  The IPA is a programmable protocol processor
+	  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 SoC.
+
+	  Note that if selected, the selection type must match that
+	  of QCOM_Q6V5_COMMON (Y or M).
+
+	  If unsure, say N.
diff --git a/drivers/net/ipa/Makefile b/drivers/net/ipa/Makefile
new file mode 100644
index 000000000000..afe5df1e6eee
--- /dev/null
+++ b/drivers/net/ipa/Makefile
@@ -0,0 +1,12 @@
+# Un-comment the next line if you want to validate configuration data
+#ccflags-y		+=	-DIPA_VALIDATE
+
+obj-$(CONFIG_QCOM_IPA)	+=	ipa.o
+
+ipa-y			:=	ipa_main.o ipa_clock.o ipa_reg.o ipa_mem.o \
+				ipa_table.o ipa_interrupt.o gsi.o gsi_trans.o \
+				ipa_gsi.o ipa_smp2p.o ipa_uc.o \
+				ipa_endpoint.o ipa_cmd.o ipa_modem.o \
+				ipa_qmi.o ipa_qmi_msg.o
+
+ipa-y			+=	ipa_data-sdm845.o ipa_data-sc7180.o
-- 
2.20.1