Re: [PATCH] platform/x86: mlx-platform: fix module aliases

["Bjørn Mork" <bjorn@mork.no>]

Ivan Vecera <ivecera@redhat.com> writes:

> Missing prefix 'pn' in MODULE_ALIAS lines causes that the module is
> not loaded automatically. The patch changes them so they match
> the entries in mlxplat_dmi_table where BOARD_VENDOR and PRODUCT_NAME
> are used.
>
> Fixes: 6613d18e9038 ("platform/x86: mlx-platform: Move module from arch/x86")
> Cc: Vadim Pasternak <vadimp@mellanox.com>
> Signed-off-by: Ivan Vecera <ivecera@redhat.com>
> ---
>  drivers/platform/x86/mlx-platform.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c
> index 504256c3660d..b1a5bbe4acf0 100644
> --- a/drivers/platform/x86/mlx-platform.c
> +++ b/drivers/platform/x86/mlx-platform.c
> @@ -370,8 +370,8 @@ module_exit(mlxplat_exit);
>  MODULE_AUTHOR("Vadim Pasternak (vadimp@mellanox.com)");
>  MODULE_DESCRIPTION("Mellanox platform driver");
>  MODULE_LICENSE("Dual BSD/GPL");
> -MODULE_ALIAS("dmi:*:*Mellanox*:MSN24*:");
> -MODULE_ALIAS("dmi:*:*Mellanox*:MSN27*:");
> -MODULE_ALIAS("dmi:*:*Mellanox*:MSB*:");
> -MODULE_ALIAS("dmi:*:*Mellanox*:MSX*:");
> -MODULE_ALIAS("dmi:*:*Mellanox*:MSN21*:");
> +MODULE_ALIAS("dmi:*:pnMSN24*:*:rvnMellanoxTechnologies*:");
> +MODULE_ALIAS("dmi:*:pnMSN27*:*:rvnMellanoxTechnologies*:");
> +MODULE_ALIAS("dmi:*:pnMSB*:*:rvnMellanoxTechnologies*:");
> +MODULE_ALIAS("dmi:*:pnMSX*:*:rvnMellanoxTechnologies*:");
> +MODULE_ALIAS("dmi:*:pnMSN21*:*:rvnMellanoxTechnologies*:");

Strange.  Why do so many dmi drivers depend on such long and fragile
lists of aliases instead of simply using

 MODULE_DEVICE_TABLE(dmi, ..);

like most other drivers do?  Is there something wrong with file2alias?
If so, then I believe it would be better to fix that instead.


Bjørn