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From:   Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date:   Wed, 26 Apr 2023 18:18:08 +0100
Message-ID: <CADVatmOVqyQE7LDDu7xgfbsOFnQJEzBRqxeL5-i8W-_drR8OYw@mail.gmail.com>
Subject: Re: mainline build failure due to cf21f328fcaf ("media: nxp: Add
 i.MX8 ISI driver")
To:     Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>
Cc:     NXP Linux Team <linux-imx@nxp.com>, linux-media@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>
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On Wed, 26 Apr 2023 at 18:07, Sudip Mukherjee (Codethink)
<sudipm.mukherjee@gmail.com> wrote:
>
> Hi All,
>
> The latest mainline kernel branch fails to build xtensa, mips, arm allmodconfig
> with the error:
>
> drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c: In function 'mxc_isi_channel_set_inbuf':
> drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c:33:5: error: "CONFIG_ARCH_DMA_ADDR_T_64BIT" is not defined, evaluates to 0 [-Werror=undef]
>    33 | #if CONFIG_ARCH_DMA_ADDR_T_64BIT
>       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c: In function 'mxc_isi_channel_set_outbuf':
> drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c:51:5: error: "CONFIG_ARCH_DMA_ADDR_T_64BIT" is not defined, evaluates to 0 [-Werror=undef]
>    51 | #if CONFIG_ARCH_DMA_ADDR_T_64BIT
>       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c:66:5: error: "CONFIG_ARCH_DMA_ADDR_T_64BIT" is not defined, evaluates to 0 [-Werror=undef]
>    66 | #if CONFIG_ARCH_DMA_ADDR_T_64BIT
>       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> git bisect pointed to cf21f328fcaf ("media: nxp: Add i.MX8 ISI driver")

Also, riscv allmodconfig with the error:

drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c:328:12: error:
'mxc_isi_pm_resume' defined but not used [-Werror=unused-function]
  328 | static int mxc_isi_pm_resume(struct device *dev)
      |            ^~~~~~~~~~~~~~~~~
drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c:314:12: error:
'mxc_isi_pm_suspend' defined but not used [-Werror=unused-function]
  314 | static int mxc_isi_pm_suspend(struct device *dev)
      |            ^~~~~~~~~~~~~~~~~~


-- 
Regards
Sudip