linux-kernel - Re: [PATCH 4/5] soc: qcom: Add LLCC support for multi channel DDR

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Date:   Mon, 13 Mar 2023 11:01:19 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     kernel test robot <lkp@...el.com>,
        Komal Bajaj <quic_kbajaj@...cinc.com>,
        Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Abel Vesa <abel.vesa@...aro.org>,
        Rishabh Bhatnagar <rishabhb@...eaurora.org>,
        Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Andy Gross <agross@...nel.org>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 4/5] soc: qcom: Add LLCC support for multi channel DDR


[...]
>    include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
>            __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
>                                                          ~~~~~~~~~~ ^
>    include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
>            __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
>                                                          ~~~~~~~~~~ ^
>>> drivers/soc/qcom/llcc-qcom.c:20:10: fatal error: 'linux/qcom_scm.h' file not found
>    #include <linux/qcom_scm.h>
This moved over a month ago. Please send patches against fresh -next
and not some ancient tree.

Konrad
>             ^~~~~~~~~~~~~~~~~~
>    6 warnings and 1 error generated.
> 
> 
> vim +20 drivers/soc/qcom/llcc-qcom.c
> 
>   > 20	#include <linux/qcom_scm.h>
>     21	#include <linux/soc/qcom/llcc-qcom.h>
>     22	
>