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Date:   Mon, 27 Jul 2020 14:32:05 +0200
From:   Jiri Pirko <jiri@resnulli.us>
To:     Vadym Kochan <vadym.kochan@plvision.eu>
Cc:     "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Jiri Pirko <jiri@mellanox.com>,
        Ido Schimmel <idosch@mellanox.com>,
        Andrew Lunn <andrew@lunn.ch>,
        Oleksandr Mazur <oleksandr.mazur@plvision.eu>,
        Serhiy Boiko <serhiy.boiko@plvision.eu>,
        Serhiy Pshyk <serhiy.pshyk@plvision.eu>,
        Volodymyr Mytnyk <volodymyr.mytnyk@plvision.eu>,
        Taras Chornyi <taras.chornyi@plvision.eu>,
        Andrii Savka <andrii.savka@plvision.eu>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        Mickey Rachamim <mickeyr@marvell.com>
Subject: Re: [net-next v4 2/6] net: marvell: prestera: Add PCI interface
 support
Message-ID: <20200727123205.GJ2216@nanopsycho>
References: <20200727122242.32337-1-vadym.kochan@plvision.eu>
 <20200727122242.32337-3-vadym.kochan@plvision.eu>
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Mon, Jul 27, 2020 at 02:22:38PM CEST, vadym.kochan@plvision.eu wrote:
>Add PCI interface driver for Prestera Switch ASICs family devices, which
>provides:
>
>    - Firmware loading mechanism
>    - Requests & events handling to/from the firmware
>    - Access to the firmware on the bus level
>
>The firmware has to be loaded each time the device is reset. The driver
>is loading it from:
>
>    /lib/firmware/marvell/prestera_fw-v{MAJOR}.{MINOR}.img
>
>The full firmware image version is located within the internal header
>and consists of 3 numbers - MAJOR.MINOR.PATCH. Additionally, driver has
>hard-coded minimum supported firmware version which it can work with:
>
>    MAJOR - reflects the support on ABI level between driver and loaded
>            firmware, this number should be the same for driver and loaded
>            firmware.
>
>    MINOR - this is the minimum supported version between driver and the
>            firmware.
>
>    PATCH - indicates only fixes, firmware ABI is not changed.
>
>Firmware image file name contains only MAJOR and MINOR numbers to make
>driver be compatible with any PATCH version.
>
>Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu>
>Signed-off-by: Vadym Kochan <vadym.kochan@plvision.eu>
>Acked-by: Jiri Pirko <jiri@mellanox.com>

You have to remove the tag if you change the patch from last tagged
version...


>---
>PATCH v4:
>    1) Get rid of "packed" attribute for the fw image header, it is
>       already aligned.
>
>    2) Cleanup not needed initialization of variables which are used in
>       readl_poll_timeout() helpers.
>
>    3) Replace #define's of prestera_{fw,ldr}_{read,write} to static funcs.
>
>    4) Use pcim_ helpers for resource allocation
>
>    5) Use devm_zalloc() for struct prestera_fw instance allocation.
>
>    6) Use module_pci_driver(prestera_pci_driver) instead of module_{init,exit}.
>
>    7) Use _MS prefix for timeout #define's.
>
>    8) Use snprintf for firmware image path generation instead of using
>       macrosses.
>
>    9) Use memcpy_xxxio helpers for IO memory copying.
>
>   10) By default use same build type ('m' or 'y') for
>       CONFIG_PRESTERA_PCI which is used by CONFIG_PRESTERA.
>

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