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SubjectRe: [PATCH v2] ARM: omap2: Fix build when using split object directories
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On 04/12/2018 10:24 PM, Masahiro Yamada wrote:
> 2018-04-13 11:58 GMT+09:00 Dave Gerlach <d-gerlach@ti.com>:
>> The sleep33xx and sleep43xx files should not depend on a header file
>> generated in drivers/memory. Remove this dependency and instead allow
>> both drivers/memory and arch/arm/mach-omap2 to generate all macros
>> needed in headers local to their own paths.
>>
>> This fixes an issue where the build fail will when using O= to set a
>> split object directory and arch/arm/mach-omap2 is built before
>> drivers/memory with the following error:
>>
>> .../drivers/memory/emif-asm-offsets.c:1:0: fatal error: can't open drivers/memory/emif-asm-offsets.s for writing: No such file or directory
>> compilation terminated.
>>
>> Fixes: 41d9d44d7258 ("ARM: OMAP2+: pm33xx-core: Add platform code needed for PM")
>> Acked-by: Tony Lindgren <tony@atomide.com>
>> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
>> Tested-by: Anders Roxell <anders.roxell@linaro.org>
>> Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
>> ---
>> v1 -> v2:
>> * Removed drivers/memory/Makefile.asm-offsets and consolidated into
>> drivers/memory/Makefile.
>
>
>
> I did not mean like this.
>
> I thought this clean-up would be done in a separate patch.
>
> I think your previous patch is OK as-is.
>

Ok sorry for the confusion let's forget this version then.

Regards,
Dave

>
>
>
>
>> arch/arm/mach-omap2/Makefile | 6 +--
>> arch/arm/mach-omap2/pm-asm-offsets.c | 3 ++
>> arch/arm/mach-omap2/sleep33xx.S | 1 -
>> arch/arm/mach-omap2/sleep43xx.S | 1 -
>> drivers/memory/Makefile | 8 +++-
>> drivers/memory/Makefile.asm-offsets | 5 ---
>> drivers/memory/emif-asm-offsets.c | 72 +---------------------------------
>> include/linux/ti-emif-sram.h | 75 ++++++++++++++++++++++++++++++++++++
>> 8 files changed, 86 insertions(+), 85 deletions(-)
>> delete mode 100644 drivers/memory/Makefile.asm-offsets
>>
>> diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
>> index 4603c30fef73..0d9ce58bc464 100644
>> --- a/arch/arm/mach-omap2/Makefile
>> +++ b/arch/arm/mach-omap2/Makefile
>> @@ -243,8 +243,4 @@ arch/arm/mach-omap2/pm-asm-offsets.s: arch/arm/mach-omap2/pm-asm-offsets.c
>> include/generated/ti-pm-asm-offsets.h: arch/arm/mach-omap2/pm-asm-offsets.s FORCE
>> $(call filechk,offsets,__TI_PM_ASM_OFFSETS_H__)
>>
>> -# For rule to generate ti-emif-asm-offsets.h dependency
>> -include drivers/memory/Makefile.asm-offsets
>> -
>> -arch/arm/mach-omap2/sleep33xx.o: include/generated/ti-pm-asm-offsets.h include/generated/ti-emif-asm-offsets.h
>> -arch/arm/mach-omap2/sleep43xx.o: include/generated/ti-pm-asm-offsets.h include/generated/ti-emif-asm-offsets.h
>> +$(obj)/sleep33xx.o $(obj)/sleep43xx.o: include/generated/ti-pm-asm-offsets.h
>> diff --git a/arch/arm/mach-omap2/pm-asm-offsets.c b/arch/arm/mach-omap2/pm-asm-offsets.c
>> index 6d4392da7c11..b9846b19e5e2 100644
>> --- a/arch/arm/mach-omap2/pm-asm-offsets.c
>> +++ b/arch/arm/mach-omap2/pm-asm-offsets.c
>> @@ -7,9 +7,12 @@
>>
>> #include <linux/kbuild.h>
>> #include <linux/platform_data/pm33xx.h>
>> +#include <linux/ti-emif-sram.h>
>>
>> int main(void)
>> {
>> + ti_emif_asm_offsets();
>> +
>> DEFINE(AMX3_PM_WFI_FLAGS_OFFSET,
>> offsetof(struct am33xx_pm_sram_data, wfi_flags));
>> DEFINE(AMX3_PM_L2_AUX_CTRL_VAL_OFFSET,
>> diff --git a/arch/arm/mach-omap2/sleep33xx.S b/arch/arm/mach-omap2/sleep33xx.S
>> index 218d79930b04..322b3bb868b4 100644
>> --- a/arch/arm/mach-omap2/sleep33xx.S
>> +++ b/arch/arm/mach-omap2/sleep33xx.S
>> @@ -6,7 +6,6 @@
>> * Dave Gerlach, Vaibhav Bedia
>> */
>>
>> -#include <generated/ti-emif-asm-offsets.h>
>> #include <generated/ti-pm-asm-offsets.h>
>> #include <linux/linkage.h>
>> #include <linux/ti-emif-sram.h>
>> diff --git a/arch/arm/mach-omap2/sleep43xx.S b/arch/arm/mach-omap2/sleep43xx.S
>> index b24be624e8b9..8903814a6677 100644
>> --- a/arch/arm/mach-omap2/sleep43xx.S
>> +++ b/arch/arm/mach-omap2/sleep43xx.S
>> @@ -6,7 +6,6 @@
>> * Dave Gerlach, Vaibhav Bedia
>> */
>>
>> -#include <generated/ti-emif-asm-offsets.h>
>> #include <generated/ti-pm-asm-offsets.h>
>> #include <linux/linkage.h>
>> #include <linux/ti-emif-sram.h>
>> diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile
>> index 66f55240830e..b3b95380346f 100644
>> --- a/drivers/memory/Makefile
>> +++ b/drivers/memory/Makefile
>> @@ -28,6 +28,10 @@ ti-emif-sram-objs := ti-emif-pm.o ti-emif-sram-pm.o
>>
>> AFLAGS_ti-emif-sram-pm.o :=-Wa,-march=armv7-a
>>
>> -include drivers/memory/Makefile.asm-offsets
>> +drivers/memory/emif-asm-offsets.s: drivers/memory/emif-asm-offsets.c
>> + $(call if_changed_dep,cc_s_c)
>>
>> -drivers/memory/ti-emif-sram-pm.o: include/generated/ti-emif-asm-offsets.h
>> +include/generated/ti-emif-asm-offsets.h: drivers/memory/emif-asm-offsets.s FORCE
>> + $(call filechk,offsets,__TI_EMIF_ASM_OFFSETS_H__)
>> +
>> +$(obj)/ti-emif-sram-pm.o: include/generated/ti-emif-asm-offsets.h
>> diff --git a/drivers/memory/Makefile.asm-offsets b/drivers/memory/Makefile.asm-offsets
>> deleted file mode 100644
>> index 843ff60ccb5a..000000000000
>> --- a/drivers/memory/Makefile.asm-offsets
>> +++ /dev/null
>> @@ -1,5 +0,0 @@
>> -drivers/memory/emif-asm-offsets.s: drivers/memory/emif-asm-offsets.c
>> - $(call if_changed_dep,cc_s_c)
>> -
>> -include/generated/ti-emif-asm-offsets.h: drivers/memory/emif-asm-offsets.s FORCE
>> - $(call filechk,offsets,__TI_EMIF_ASM_OFFSETS_H__)
>> diff --git a/drivers/memory/emif-asm-offsets.c b/drivers/memory/emif-asm-offsets.c
>> index 71a89d5d3efd..db8043019ec6 100644
>> --- a/drivers/memory/emif-asm-offsets.c
>> +++ b/drivers/memory/emif-asm-offsets.c
>> @@ -16,77 +16,7 @@
>>
>> int main(void)
>> {
>> - DEFINE(EMIF_SDCFG_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_sdcfg_val));
>> - DEFINE(EMIF_TIMING1_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_timing1_val));
>> - DEFINE(EMIF_TIMING2_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_timing2_val));
>> - DEFINE(EMIF_TIMING3_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_timing3_val));
>> - DEFINE(EMIF_REF_CTRL_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_ref_ctrl_val));
>> - DEFINE(EMIF_ZQCFG_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_zqcfg_val));
>> - DEFINE(EMIF_PMCR_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_pmcr_val));
>> - DEFINE(EMIF_PMCR_SHDW_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_pmcr_shdw_val));
>> - DEFINE(EMIF_RD_WR_LEVEL_RAMP_CTRL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_rd_wr_level_ramp_ctrl));
>> - DEFINE(EMIF_RD_WR_EXEC_THRESH_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_rd_wr_exec_thresh));
>> - DEFINE(EMIF_COS_CONFIG_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_cos_config));
>> - DEFINE(EMIF_PRIORITY_TO_COS_MAPPING_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_priority_to_cos_mapping));
>> - DEFINE(EMIF_CONNECT_ID_SERV_1_MAP_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_connect_id_serv_1_map));
>> - DEFINE(EMIF_CONNECT_ID_SERV_2_MAP_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_connect_id_serv_2_map));
>> - DEFINE(EMIF_OCP_CONFIG_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_ocp_config_val));
>> - DEFINE(EMIF_LPDDR2_NVM_TIM_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim));
>> - DEFINE(EMIF_LPDDR2_NVM_TIM_SHDW_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim_shdw));
>> - DEFINE(EMIF_DLL_CALIB_CTRL_VAL_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val));
>> - DEFINE(EMIF_DLL_CALIB_CTRL_VAL_SHDW_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val_shdw));
>> - DEFINE(EMIF_DDR_PHY_CTLR_1_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_ddr_phy_ctlr_1));
>> - DEFINE(EMIF_EXT_PHY_CTRL_VALS_OFFSET,
>> - offsetof(struct emif_regs_amx3, emif_ext_phy_ctrl_vals));
>> - DEFINE(EMIF_REGS_AMX3_SIZE, sizeof(struct emif_regs_amx3));
>> -
>> - BLANK();
>> -
>> - DEFINE(EMIF_PM_BASE_ADDR_VIRT_OFFSET,
>> - offsetof(struct ti_emif_pm_data, ti_emif_base_addr_virt));
>> - DEFINE(EMIF_PM_BASE_ADDR_PHYS_OFFSET,
>> - offsetof(struct ti_emif_pm_data, ti_emif_base_addr_phys));
>> - DEFINE(EMIF_PM_CONFIG_OFFSET,
>> - offsetof(struct ti_emif_pm_data, ti_emif_sram_config));
>> - DEFINE(EMIF_PM_REGS_VIRT_OFFSET,
>> - offsetof(struct ti_emif_pm_data, regs_virt));
>> - DEFINE(EMIF_PM_REGS_PHYS_OFFSET,
>> - offsetof(struct ti_emif_pm_data, regs_phys));
>> - DEFINE(EMIF_PM_DATA_SIZE, sizeof(struct ti_emif_pm_data));
>> -
>> - BLANK();
>> -
>> - DEFINE(EMIF_PM_SAVE_CONTEXT_OFFSET,
>> - offsetof(struct ti_emif_pm_functions, save_context));
>> - DEFINE(EMIF_PM_RESTORE_CONTEXT_OFFSET,
>> - offsetof(struct ti_emif_pm_functions, restore_context));
>> - DEFINE(EMIF_PM_ENTER_SR_OFFSET,
>> - offsetof(struct ti_emif_pm_functions, enter_sr));
>> - DEFINE(EMIF_PM_EXIT_SR_OFFSET,
>> - offsetof(struct ti_emif_pm_functions, exit_sr));
>> - DEFINE(EMIF_PM_ABORT_SR_OFFSET,
>> - offsetof(struct ti_emif_pm_functions, abort_sr));
>> - DEFINE(EMIF_PM_FUNCTIONS_SIZE, sizeof(struct ti_emif_pm_functions));
>> + ti_emif_asm_offsets();
>>
>> return 0;
>> }
>> diff --git a/include/linux/ti-emif-sram.h b/include/linux/ti-emif-sram.h
>> index 45bc6b376492..53604b087f2c 100644
>> --- a/include/linux/ti-emif-sram.h
>> +++ b/include/linux/ti-emif-sram.h
>> @@ -60,6 +60,81 @@ struct ti_emif_pm_functions {
>> u32 abort_sr;
>> } __packed __aligned(8);
>>
>> +static inline void ti_emif_asm_offsets(void)
>> +{
>> + DEFINE(EMIF_SDCFG_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_sdcfg_val));
>> + DEFINE(EMIF_TIMING1_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_timing1_val));
>> + DEFINE(EMIF_TIMING2_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_timing2_val));
>> + DEFINE(EMIF_TIMING3_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_timing3_val));
>> + DEFINE(EMIF_REF_CTRL_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_ref_ctrl_val));
>> + DEFINE(EMIF_ZQCFG_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_zqcfg_val));
>> + DEFINE(EMIF_PMCR_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_pmcr_val));
>> + DEFINE(EMIF_PMCR_SHDW_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_pmcr_shdw_val));
>> + DEFINE(EMIF_RD_WR_LEVEL_RAMP_CTRL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_rd_wr_level_ramp_ctrl));
>> + DEFINE(EMIF_RD_WR_EXEC_THRESH_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_rd_wr_exec_thresh));
>> + DEFINE(EMIF_COS_CONFIG_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_cos_config));
>> + DEFINE(EMIF_PRIORITY_TO_COS_MAPPING_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_priority_to_cos_mapping));
>> + DEFINE(EMIF_CONNECT_ID_SERV_1_MAP_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_connect_id_serv_1_map));
>> + DEFINE(EMIF_CONNECT_ID_SERV_2_MAP_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_connect_id_serv_2_map));
>> + DEFINE(EMIF_OCP_CONFIG_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_ocp_config_val));
>> + DEFINE(EMIF_LPDDR2_NVM_TIM_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim));
>> + DEFINE(EMIF_LPDDR2_NVM_TIM_SHDW_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim_shdw));
>> + DEFINE(EMIF_DLL_CALIB_CTRL_VAL_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val));
>> + DEFINE(EMIF_DLL_CALIB_CTRL_VAL_SHDW_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val_shdw));
>> + DEFINE(EMIF_DDR_PHY_CTLR_1_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_ddr_phy_ctlr_1));
>> + DEFINE(EMIF_EXT_PHY_CTRL_VALS_OFFSET,
>> + offsetof(struct emif_regs_amx3, emif_ext_phy_ctrl_vals));
>> + DEFINE(EMIF_REGS_AMX3_SIZE, sizeof(struct emif_regs_amx3));
>> +
>> + BLANK();
>> +
>> + DEFINE(EMIF_PM_BASE_ADDR_VIRT_OFFSET,
>> + offsetof(struct ti_emif_pm_data, ti_emif_base_addr_virt));
>> + DEFINE(EMIF_PM_BASE_ADDR_PHYS_OFFSET,
>> + offsetof(struct ti_emif_pm_data, ti_emif_base_addr_phys));
>> + DEFINE(EMIF_PM_CONFIG_OFFSET,
>> + offsetof(struct ti_emif_pm_data, ti_emif_sram_config));
>> + DEFINE(EMIF_PM_REGS_VIRT_OFFSET,
>> + offsetof(struct ti_emif_pm_data, regs_virt));
>> + DEFINE(EMIF_PM_REGS_PHYS_OFFSET,
>> + offsetof(struct ti_emif_pm_data, regs_phys));
>> + DEFINE(EMIF_PM_DATA_SIZE, sizeof(struct ti_emif_pm_data));
>> +
>> + BLANK();
>> +
>> + DEFINE(EMIF_PM_SAVE_CONTEXT_OFFSET,
>> + offsetof(struct ti_emif_pm_functions, save_context));
>> + DEFINE(EMIF_PM_RESTORE_CONTEXT_OFFSET,
>> + offsetof(struct ti_emif_pm_functions, restore_context));
>> + DEFINE(EMIF_PM_ENTER_SR_OFFSET,
>> + offsetof(struct ti_emif_pm_functions, enter_sr));
>> + DEFINE(EMIF_PM_EXIT_SR_OFFSET,
>> + offsetof(struct ti_emif_pm_functions, exit_sr));
>> + DEFINE(EMIF_PM_ABORT_SR_OFFSET,
>> + offsetof(struct ti_emif_pm_functions, abort_sr));
>> + DEFINE(EMIF_PM_FUNCTIONS_SIZE, sizeof(struct ti_emif_pm_functions));
>> +}
>> +
>> struct gen_pool;
>>
>> int ti_emif_copy_pm_function_table(struct gen_pool *sram_pool, void *dst);
>> --
>> 2.16.1
>>
>> --
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>
>
>

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