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SubjectRe: [PATCH] soc: qcom: QCOM_RPMH fix build with modular QCOM_RPMH
On Wed, Oct 28 2020 at 03:43 -0600, Anders Roxell wrote:
>On Tue, 27 Oct 2020 at 22:15, Lina Iyer <ilina@codeaurora.org> wrote:
>>
>> Hi Anders,
>>
>> On Tue, Oct 27 2020 at 05:14 -0600, Anders Roxell wrote:
>> >When building allmodconfig leading to the following link error with
>> >CONFIG_QCOM_RPMH=y and CONFIG_QCOM_COMMAND_DB=m:
>> >
>> >aarch64-linux-gnu-ld: drivers/clk/qcom/clk-rpmh.o: in function `clk_rpmh_probe':
>> > drivers/clk/qcom/clk-rpmh.c:474: undefined reference to `cmd_db_read_addr'
>> > drivers/clk/qcom/clk-rpmh.c:474:(.text+0x254): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `cmd_db_read_addr'
>> >
>> >Fix this by adding a Kconfig depenency and forcing QCOM_RPMH to be a
>> >module when QCOM_COMMAND_DB is a module. Also removing the dependency on
>> >'ARCH_QCOM || COMPILE_TEST' since that is already a dependency for
>> >QCOM_COMMAND_DB.
>> >
>> >Fixes: 778279f4f5e4 ("soc: qcom: cmd-db: allow loading as a module")
>> >Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
>> >---
>> > drivers/soc/qcom/Kconfig | 2 +-
>> > 1 file changed, 1 insertion(+), 1 deletion(-)
>> >
>> >diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
>> >index 9b4ae9c16ba7..3bdd1604f78f 100644
>> >--- a/drivers/soc/qcom/Kconfig
>> >+++ b/drivers/soc/qcom/Kconfig
>> >@@ -109,7 +109,7 @@ config QCOM_RMTFS_MEM
>> >
>> > config QCOM_RPMH
>> > tristate "Qualcomm RPM-Hardened (RPMH) Communication"
>> >- depends on ARCH_QCOM || COMPILE_TEST
>> >+ depends on QCOM_COMMAND_DB
>> A solution was posted in the mailing list alredy -
>> https://lore.kernel.org/linux-arm-msm/20201008040907.7036-1-ilina@codeaurora.org/
>
>I missed that one, thanks.
>
>>
>> If you get a chance, please give that a shot to see if that works for
>> you.
>
>That will work too, but the "depends on ARCH_QCOM || COMPILE_TEST"
>isn't needed since that is already the dependency for QCOM_COMMAND_DB.
>So that should be met here too or am I missing something?
>
Sure, if you want to post an update to the patch, that would be fine
too.
Bjorn: Have you picked up this patch yet? If he hasn't please feel free
to update the patch. Or, I can do that as well.

--Lina

>Cheers,
>Anders
>
>>
>> Thanks,
>> Lina
>>
>> > help
>> > Support for communication with the hardened-RPM blocks in
>> > Qualcomm Technologies Inc (QTI) SoCs. RPMH communication uses an
>> >--
>> >2.28.0
>> >

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