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From: Florian Fainelli <f.fainelli@gmail.com>
To: Heiner Kallweit <hkallweit1@gmail.com>,
	Justin Chen <justinpopo6@gmail.com>,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org,
	bcm-kernel-feedback-list@broadcom.com
Cc: justin.chen@broadcom.com, f.fainelli@gmail.com,
	davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, opendmb@gmail.com,
	andrew@lunn.ch, linux@armlinux.org.uk, richardcochran@gmail.com,
	sumit.semwal@linaro.org, christian.koenig@amd.com
Subject: Re: [PATCH net-next 3/6] net: bcmasp: Add support for ASP2.0 Ethernet controller
Date: Wed, 19 Apr 2023 09:33:50 -0700	[thread overview]
Message-ID: <932bb2c6-71ce-525f-fbb2-a0a742ee8e12@gmail.com> (raw)
In-Reply-To: <03dadae3-3a89-cdb0-7cd1-591d62735836@gmail.com>

On 4/18/23 23:35, Heiner Kallweit wrote:
> On 19.04.2023 02:10, Justin Chen wrote:
>> Add support for the Broadcom ASP 2.0 Ethernet controller which is first
>> introduced with 72165. This controller features two distinct Ethernet
>> ports that can be independently operated.
>>
>> This patch supports:
[snip]
>> +	intf->tx_spb_index = spb_index;
>> +	intf->tx_spb_dma_valid = valid;
>> +	bcmasp_intf_tx_write(intf, intf->tx_spb_dma_valid);
>> +
>> +	if (tx_spb_ring_full(intf, MAX_SKB_FRAGS + 1))
>> +		netif_stop_queue(dev);
>> +
> 
> Here it may be better to use the new macros from include/net/netdev_queues.h.
> It seems your code (together with the related part in tx_poll) doesn't consider
> the queue restart case.
> In addition you should check whether using READ_ONCE()/WRITE_ONCE() is needed,
> e.g. in ring_full().

Thanks Heiner. Can you trim the parts you are not quoting otherwise one 
has to scroll all the way down to where you responded. Thanks!
-- 
Florian


  reply	other threads:[~2023-04-19 16:34 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-19  0:10 [PATCH net-next 0/6] Brcm ASP 2.0 " Justin Chen
2023-04-19  0:10 ` [PATCH net-next 1/6] dt-bindings: net: " Justin Chen
2023-04-19 12:20   ` Rob Herring
2023-04-21  7:29   ` Krzysztof Kozlowski
2023-04-24 18:14     ` Justin Chen
2023-04-24 18:16       ` Florian Fainelli
2023-04-19  0:10 ` [PATCH net-next 2/6] dt-bindings: net: brcm,unimac-mdio: Add asp-v2.0 Justin Chen
2023-04-21  7:30   ` Krzysztof Kozlowski
2023-04-19  0:10 ` [PATCH net-next 3/6] net: bcmasp: Add support for ASP2.0 Ethernet controller Justin Chen
2023-04-19  1:05   ` Andrew Lunn
2023-04-19  6:35   ` Heiner Kallweit
2023-04-19 16:33     ` Florian Fainelli [this message]
2023-04-24 21:18       ` Justin Chen
2023-04-19  0:10 ` [PATCH net-next 4/6] net: phy: mdio-bcm-unimac: Add asp v2.0 support Justin Chen
2023-04-19  1:05   ` Andrew Lunn
2023-04-19  0:10 ` [PATCH net-next 5/6] net: phy: bcm7xxx: Add EPHY entry for 74165 Justin Chen
2023-04-19  1:06   ` Andrew Lunn
2023-04-19  0:10 ` [PATCH net-next 6/6] MAINTAINERS: ASP 2.0 Ethernet driver maintainers Justin Chen
2023-04-19  0:19 ` [PATCH net-next 0/6] Brcm ASP 2.0 Ethernet controller Justin Chen

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