From: Sergey Shtylyov <s.shtylyov@omp.ru>
To: Phil Edworthy <phil.edworthy@renesas.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Biju Das <biju.das.jz@bp.renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
<netdev@vger.kernel.org>, <linux-renesas-soc@vger.kernel.org>
Subject: Re: [PATCH 5/9] ravb: Support separate Line0 (Desc), Line1 (Err) and Line2 (Mgmt) irqs
Date: Thu, 5 May 2022 22:40:48 +0300 [thread overview]
Message-ID: <80099a39-5727-85fd-1988-01cef8793cc2@omp.ru> (raw)
In-Reply-To: <20220504145454.71287-6-phil.edworthy@renesas.com>
On 5/4/22 5:54 PM, Phil Edworthy wrote:
> R-Car has a combined interrupt line, ch22 = Line0_DiA | Line1_A | Line2_A.
R-Car gen3, you mean? Because R-Car gen2 has single IRQ...
> RZ/V2M has separate interrupt lines for each of these, so add a feature
> that allows the driver to get these interrupts and call the common handler.
>
> We keep the "ch22" name for Line0_DiA and "ch24" for Line3 interrupts to
> keep the code simple.
Not sure I agree with such simplification -- at least about "ch22"...
> Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
[...]
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
> index d0b9688074ca..f12a23b9c391 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
[...]
> @@ -2167,6 +2184,10 @@ static int ravb_close(struct net_device *ndev)
> free_irq(priv->rx_irqs[RAVB_BE], ndev);
> free_irq(priv->emac_irq, ndev);
> }
> + if (info->err_mgmt_irqs) {
> + free_irq(priv->erra_irq, ndev);
> + free_irq(priv->mgmta_irq, ndev);
> + }
Shouldn't this be under:
if (info->multi_irqs) {
above?
> free_irq(ndev->irq, ndev);
>
> if (info->nc_queues)
> @@ -2665,6 +2686,22 @@ static int ravb_probe(struct platform_device *pdev)
> }
> }
>
> + if (info->err_mgmt_irqs) {
> + irq = platform_get_irq_byname(pdev, "err_a");
> + if (irq < 0) {
> + error = irq;
> + goto out_release;
> + }
> + priv->erra_irq = irq;
> +
> + irq = platform_get_irq_byname(pdev, "mgmt_a");
> + if (irq < 0) {
> + error = irq;
> + goto out_release;
> + }
> + priv->mgmta_irq = irq;
> + }
> +
Same here...
> priv->clk = devm_clk_get(&pdev->dev, NULL);
> if (IS_ERR(priv->clk)) {
> error = PTR_ERR(priv->clk);
MBR, Sergey
next prev parent reply other threads:[~2022-05-05 19:48 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-04 14:54 [PATCH 0/9] Add Renesas RZ/V2M Ethernet support Phil Edworthy
2022-05-04 14:54 ` [PATCH 2/9] dt-bindings: net: renesas,etheravb: Document RZ/V2M SoC Phil Edworthy
2022-05-07 18:21 ` Sergey Shtylyov
2022-05-09 8:15 ` Phil Edworthy
2022-05-04 14:54 ` [PATCH 3/9] ravb: Separate use of GIC reg for PTME from multi_irqs Phil Edworthy
2022-05-04 20:40 ` Sergey Shtylyov
2022-05-05 8:26 ` Phil Edworthy
2022-05-04 14:54 ` [PATCH 4/9] ravb: Separate handling of irq enable/disable regs into feature Phil Edworthy
2022-05-04 19:54 ` Sergey Shtylyov
2022-05-05 8:12 ` Phil Edworthy
2022-05-04 14:54 ` [PATCH 5/9] ravb: Support separate Line0 (Desc), Line1 (Err) and Line2 (Mgmt) irqs Phil Edworthy
2022-05-05 19:40 ` Sergey Shtylyov [this message]
2022-05-09 8:00 ` Phil Edworthy
2022-05-04 14:54 ` [PATCH 6/9] ravb: Use separate clock for gPTP Phil Edworthy
2022-05-05 18:13 ` Sergey Shtylyov
2022-05-04 14:54 ` [PATCH 7/9] ravb: Add support for RZ/V2M Phil Edworthy
2022-05-05 20:18 ` Sergey Shtylyov
2022-05-09 7:01 ` Phil Edworthy
2022-05-05 0:57 ` [PATCH 0/9] Add Renesas RZ/V2M Ethernet support Jakub Kicinski
2022-05-05 6:59 ` Geert Uytterhoeven
2022-05-05 9:14 ` Phil Edworthy
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