linux-kernel - RE: [PATCH v1 1/1] platform/mellanox: Add bootctl driver for Mellanox BlueField Soc

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Date:   Fri, 1 Feb 2019 20:48:52 +0000
From:   Liming Sun <lsun@...lanox.com>
To:     kbuild test robot <lkp@...el.com>
CC:     "kbuild-all@...org" <kbuild-all@...org>,
        Andy Shevchenko <andy@...radead.org>,
        Darren Hart <dvhart@...radead.org>,
        Vadim Pasternak <vadimp@...lanox.com>,
        David Woods <dwoods@...lanox.com>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v1 1/1] platform/mellanox: Add bootctl driver for Mellanox
 BlueField Soc

Thanks for the information! 

Patch v4 1/1 has been posted to solve these issues.

Best regards,
Liming

> -----Original Message-----
> From: kbuild test robot <lkp@...el.com>
> Sent: Friday, February 1, 2019 12:17 AM
> To: Liming Sun <lsun@...lanox.com>
> Cc: kbuild-all@...org; Andy Shevchenko <andy@...radead.org>; Darren Hart <dvhart@...radead.org>; Vadim Pasternak
> <vadimp@...lanox.com>; David Woods <dwoods@...lanox.com>; Liming Sun <lsun@...lanox.com>; platform-driver-
> x86@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v1 1/1] platform/mellanox: Add bootctl driver for Mellanox BlueField Soc
> 
> Hi Liming,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on linus/master]
> [also build test ERROR on v5.0-rc4 next-20190131]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Liming-Sun/platform-mellanox-Add-bootctl-driver-for-Mellanox-BlueField-
> Soc/20190201-104657
> config: arm64-allmodconfig (attached as .config)
> compiler: aarch64-linux-gnu-gcc (Debian 8.2.0-11) 8.2.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         GCC_VERSION=8.2.0 make.cross ARCH=arm64
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/platform/mellanox/mlxbf-bootctl.c:260:36: error: array type has incomplete element type 'struct acpi_device_id'
>     static const struct acpi_device_id mlxbf_bootctl_acpi_ids[] = {
>                                        ^~~~~~~~~~~~~~~~~~~~~~
>    In file included from include/linux/module.h:18,
>                     from drivers/platform/mellanox/mlxbf-bootctl.c:12:
> >> drivers/platform/mellanox/mlxbf-bootctl.c:314:20: error: expected ',' or ';' before 'DRIVER_DESCRIPTION'
>     MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
>                        ^~~~~~~~~~~~~~~~~~
>    include/linux/moduleparam.h:24:26: note: in definition of macro '__MODULE_INFO'
>       = __stringify(tag) "=" info
>                              ^~~~
>    include/linux/module.h:208:42: note: in expansion of macro 'MODULE_INFO'
>     #define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
>                                              ^~~~~~~~~~~
>    drivers/platform/mellanox/mlxbf-bootctl.c:314:1: note: in expansion of macro 'MODULE_DESCRIPTION'
>     MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
>     ^~~~~~~~~~~~~~~~~~
> 
> vim +314 drivers/platform/mellanox/mlxbf-bootctl.c
> 
>    259
>  > 260	static const struct acpi_device_id mlxbf_bootctl_acpi_ids[] = {
>    261		{"MLNXBF04", 0},
>    262		{},
>    263	};
>    264
>    265	MODULE_DEVICE_TABLE(acpi, mlxbf_bootctl_acpi_ids);
>    266
>    267	static int mlxbf_bootctl_probe(struct platform_device *pdev)
>    268	{
>    269		struct arm_smccc_res res;
>    270
>    271		/*
>    272		 * Ensure we have the UUID we expect for this service.
>    273		 * Note that the functionality we want is present in the first
>    274		 * released version of this service, so we don't check the version.
>    275		 */
>    276		arm_smccc_smc(MLXBF_BOOTCTL_SIP_SVC_UID, 0, 0, 0, 0, 0, 0, 0, &res);
>    277		if (res.a0 != 0x89c036b4 || res.a1 != 0x11e6e7d7 ||
>    278		    res.a2 != 0x1a009787 || res.a3 != 0xc4bf00ca)
>    279			return -ENODEV;
>    280
>    281		/*
>    282		 * When watchdog is used, it sets boot mode to MLXBF_BOOTCTL_SWAP_EMMC
>    283		 * in case of boot failures. However it doesn't clear the state if there
>    284		 * is no failure. Restore the default boot mode here to avoid any
>    285		 * unnecessary boot partition swapping.
>    286		 */
>    287		if (mlxbf_bootctl_smc_call1(MLXBF_BOOTCTL_SET_RESET_ACTION,
>    288					    MLXBF_BOOTCTL_EMMC) < 0)
>    289			pr_err("Unable to reset the EMMC boot mode\n");
>    290
>    291		pr_info("%s (version %s)\n", MLXBF_BOOTCTL_DRIVER_DESCRIPTION,
>    292			MLXBF_BOOTCTL_DRIVER_VERSION);
>    293
>    294		return 0;
>    295	}
>    296
>    297	static int mlxbf_bootctl_remove(struct platform_device *pdev)
>    298	{
>    299		return 0;
>    300	}
>    301
>    302	static struct platform_driver mlxbf_bootctl_driver = {
>    303		.probe = mlxbf_bootctl_probe,
>    304		.remove = mlxbf_bootctl_remove,
>    305		.driver = {
>    306			.name = MLXBF_BOOTCTL_DRIVER_NAME,
>    307			.groups = mlxbf_bootctl_attr_groups,
>    308			.acpi_match_table = ACPI_PTR(mlxbf_bootctl_acpi_ids),
>    309		}
>    310	};
>    311
>    312	module_platform_driver(mlxbf_bootctl_driver);
>    313
>  > 314	MODULE_DESCRIPTION(DRIVER_DESCRIPTION);
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
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