[2/6] backports: Add mhi bus driver

Commit Message

Jiaxun Yang Feb. 6, 2022, 10:26 p.m. UTC

Add it to copylist and wire up in Makefile and Kconfig.
Also set minimal depdency to 4.19 as it requires ida_alloc
and xarray which is too messy to be backported to earlier
versions.

Signed-off-by: Jiaxun Yang <[e-mail]>
---
 backport/Kconfig.sources | 1 +
 backport/Makefile.kernel | 1 +
 copy-list                | 3 +++
 dependencies             | 3 +++
 4 files changed, 8 insertions(+)

Patch

diff --git a/backport/Kconfig.sources b/backport/Kconfig.sources
index 5fb44780..8f430965 100644
--- a/backport/Kconfig.sources
+++ b/backport/Kconfig.sources
@@ -4,6 +4,7 @@  source "$BACKPORT_DIR/compat/Kconfig"
 # these are copied from the kernel
 source "$BACKPORT_DIR/net/wireless/Kconfig"
 source "$BACKPORT_DIR/net/mac80211/Kconfig"
+source "$BACKPORT_DIR/drivers/bus/mhi/Kconfig"
 source "$BACKPORT_DIR/drivers/net/wireless/Kconfig"
 source "$BACKPORT_DIR/drivers/net/usb/Kconfig"
 
diff --git a/backport/Makefile.kernel b/backport/Makefile.kernel
index 62baa945..e2a1a263 100644
--- a/backport/Makefile.kernel
+++ b/backport/Makefile.kernel
@@ -39,6 +39,7 @@  obj-y += compat/
 
 obj-$(CPTCFG_CFG80211) += net/wireless/
 obj-$(CPTCFG_MAC80211) += net/mac80211/
+obj-$(CPTCFG_MHI_BUS) += drivers/bus/mhi/
 obj-$(CPTCFG_WLAN) += drivers/net/wireless/
 obj-$(CPTCFG_SSB) += drivers/ssb/
 obj-$(CPTCFG_BCMA) += drivers/bcma/
diff --git a/copy-list b/copy-list
index be8539d4..1be2285e 100644
--- a/copy-list
+++ b/copy-list
@@ -91,6 +91,9 @@  net/mac80211/
 include/linux/mpls.h
 include/uapi/linux/mpls.h
 
+drivers/bus/mhi/
+include/linux/mhi.h
+
 drivers/net/wireless/ath/
 drivers/ssb/
 include/linux/ssb/
diff --git a/dependencies b/dependencies
index d8c3f106..623763a2 100644
--- a/dependencies
+++ b/dependencies
@@ -37,3 +37,6 @@  NL80211_TESTMODE 4.18
 
 # Needs aes_expandkey() and aes_encrypt()
 RTL8723BS 5.4
+
+# ida_alloc(), xarray
+MHI_BUS 4.19