netdev - Re: [PATCH v2 6/8] net: sh-eth: Add irq configureation flags in sh_eth_cpu

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Message-id: <51886D88.3000307@renesas.com>
Date:	Tue, 07 May 2013 11:57:12 +0900
From:	Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@...esas.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:	netdev@...r.kernel.org, yoshihiro.shimoda.uh@...esas.com
Subject: Re: [PATCH v2 6/8] net: sh-eth: Add irq configureation flags in
 sh_eth_cpu_data

Hi,

(2013/04/18 23:57), Sergei Shtylyov wrote:
> Hello.
>
> On 18-04-2013 14:11, Nobuhiro Iwamatsu wrote:
>
>> sh-eth is supporting some SH and shmobile CPU. CPU with two or more networked
>> devices is in these, these specify IRQF_SHARED as IRQ configureation flags.
>> This changes to set IRQ configureation flags using in sh_eth_cpu_data.
>
>> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@...esas.com>
> [...]
>
>> diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
>> index af8c225..a4e337f 100644
>> --- a/drivers/net/ethernet/renesas/sh_eth.c
>> +++ b/drivers/net/ethernet/renesas/sh_eth.c
> [...]
>> @@ -1920,14 +1923,7 @@ static int sh_eth_open(struct net_device *ndev)
>> pm_runtime_get_sync(&mdp->pdev->dev);
>>
>> ret = request_irq(ndev->irq, sh_eth_interrupt,
>> -#if defined(CONFIG_CPU_SUBTYPE_SH7763) || \
>> - defined(CONFIG_CPU_SUBTYPE_SH7764) || \
>> - defined(CONFIG_CPU_SUBTYPE_SH7757)
>> - IRQF_SHARED,
>> -#else
>> - 0,
>> -#endif
>
> Isn't it simpler to always pass IRQF_SHARED?
>

I think there is a mechanism to separate the setting par CPU,
split is good.

>> - ndev->name, ndev);
>> + mdp->cd->irq_flags, ndev->name, ndev);
>> if (ret) {
>> dev_err(&ndev->dev, "Can not assign IRQ number\n");
>> return ret;
>> diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
>> index f86ea96..0772ec1 100644
>> --- a/drivers/net/ethernet/renesas/sh_eth.h
>> +++ b/drivers/net/ethernet/renesas/sh_eth.h
>> @@ -463,6 +463,7 @@ struct sh_eth_cpu_data {
>> unsigned long tx_error_check;
>>
>> /* hardware features */
>> + unsigned long irq_flags; /* IRQ configuration flags */
>
> Comment should have been indented with tabs like the others.
>

OK, I will fix.

>> unsigned no_psr:1; /* EtherC DO NOT have PSR */
>> unsigned apr:1; /* EtherC have APR */
>> unsigned mpr:1; /* EtherC have MPR */
>> @@ -508,6 +509,7 @@ struct sh_eth_private {
>> int duplex;
>> int port; /* for TSU */
>> int vlan_num_ids; /* for VLAN tag filter */
>> + unsigned long irq_flags; /* IRQ configuration flags */
>
> You don't seem to use this...

Oh, I will remove. thank you.

Best regards,
   Nobuhiro
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