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mmrm: Enable mmrm driver dlkm compilation

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Add makefile, kbuild, and android.mk to compile
mmrm driver as an external kernel module.
Modify debugfs with new return type.

Change-Id: I370fac4d985bbe491be7fdab846eb3b60d6a3c4d
This commit is contained in:
Sebastian Dang
2020-12-03 12:24:18 -08:00
parent 7657a22ccf
commit 53cf3e9ecb
5 changed files with 60 additions and 31 deletions
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36
Android.mk Normal file
View File

@@ -0,0 +1,36 @@
MMRM_BLD_DIR := $(shell pwd)/vendor/qcom/opensource/mmrm
# Build msm-mmrm.ko
###########################################################
# This is set once per LOCAL_PATH, not per (kernel) module
KBUILD_OPTIONS := MMRM_ROOT=$(MMRM_BLD_DIR)
KBUILD_OPTIONS += BOARD_PLATFORM=$(TARGET_BOARD_PLATFORM)
###########################################################
DLKM_DIR := device/qcom/common/dlkm
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
# For incremental compilation
LOCAL_SRC_FILES := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
LOCAL_MODULE := msm-mmrm.ko
LOCAL_MODULE_KBUILD_NAME := driver/msm-mmrm.ko
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_DEBUG_ENABLE := true
LOCAL_MODULE_PATH := $(KERNEL_MODULES_OUT)
# Include kp_module.ko in the /vendor/lib/modules (vendor.img)
# BOARD_VENDOR_KERNEL_MODULES += $(LOCAL_MODULE_PATH)/$(LOCAL_MODULE)
include $(DLKM_DIR)/Build_external_kernelmodule.mk
include $(CLEAR_VARS)
# For incremental compilation
LOCAL_SRC_FILES := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
LOCAL_MODULE := mmrm_test_module.ko
LOCAL_MODULE_KBUILD_NAME := test/mmrm_test_module.ko
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_DEBUG_ENABLE := true
LOCAL_MODULE_PATH := $(KERNEL_MODULES_OUT)
# Include kp_module.ko in the /vendor/lib/modules (vendor.img)
# BOARD_VENDOR_KERNEL_MODULES += $(LOCAL_MODULE_PATH)/$(LOCAL_MODULE)
include $(DLKM_DIR)/Build_external_kernelmodule.mk

5
Kbuild Normal file
View File

@@ -0,0 +1,5 @@
include $(MMRM_ROOT)/config/waipiommrm.conf
LINUXINCLUDE += -include $(MMRM_ROOT)/config/waipiommrmconf.h
obj-m += driver/
obj-m += test/

22
Makefile
View File

@@ -1,10 +1,16 @@
# auto-detect subdirs
ifeq ($(CONFIG_ARCH_WAIPIO), y)
include $(srctree)/techpack/mmrm/config/waipiommrm.conf
endif
KBUILD_OPTIONS+= MMRM_ROOT=$(KERNEL_SRC)/$(M)
ifeq ($(CONFIG_ARCH_WAIPIO), y)
LINUXINCLUDE += -include $(srctree)/techpack/mmrm/config/waipiommrmconf.h
endif
all: modules
obj-y +=driver/
modules:
$(MAKE) -C $(KERNEL_SRC) M=$(M) modules $(KBUILD_OPTIONS)
modules_install:
$(MAKE) INSTALL_MOD_STRIP=1 -C $(KERNEL_SRC) M=$(M) modules_install
%:
$(MAKE) -C $(KERNEL_SRC) M=$(M) $@ $(KBUILD_OPTIONS)
clean:
rm -f *.o *.ko *.mod.c *.mod.o *~ .*.cmd Module.symvers
rm -rf .tmp_versions

7
driver/Makefile → driver/Kbuild
View File

@@ -1,10 +1,11 @@
ccflags-y += -I$(srctree)/techpack/mmrm/driver/src/
ifdef CONFIG_MSM_MMRM
LINUXINCLUDE += -I$(MMRM_ROOT)/driver/src
obj-m += msm-mmrm.o
msm-mmrm-objs := src/msm_mmrm.o \
src/mmrm_internal.o \
src/mmrm_res_parse.o \
src/mmrm_debug.o \
src/mmrm_clk_rsrc_mgr_sw.o \
src/mmrm_clk_rsrc_mgr.o
obj-$(CONFIG_MSM_MMRM) := msm-mmrm.o
endif

21
driver/src/mmrm_debug.c
View File

@@ -41,7 +41,6 @@ struct dentry *msm_mmrm_debugfs_init(void)
{
struct dentry *dir;
int file_val;
bool ok = false;
d_mpr_h("%s: entering\n", __func__);
@@ -58,26 +57,8 @@ struct dentry *msm_mmrm_debugfs_init(void)
goto failed_create_dir;
}
#define __debugfs_create(__type, __name, __value) \
({ \
struct dentry *f = debugfs_create_##__type(__name, 0644, dir, __value); \
if (IS_ERR_OR_NULL(f)) { \
d_mpr_e("%s: Failed creating debugfs file '%pd/%s'\n", \
__func__, \
dir, \
__name); \
f = NULL; \
} \
f; \
})
/* add other params here */
ok = __debugfs_create(u32, "debug_level", &msm_mmrm_debug);
#undef __debugfs_create
if (!ok)
goto failed_create_dir;
debugfs_create_u32("debug_level", 0644, dir, &msm_mmrm_debug);
d_mpr_h("%s: exiting\n", __func__);
return dir;