netdev - Re: [PATCH] net: qcom/emac: claim the irq only when the device is opened

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Date:   Fri, 20 Jan 2017 21:44:09 +0100
From:   Lino Sanfilippo <LinoSanfilippo@....de>
To:     Timur Tabi <timur@...eaurora.org>,
        David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] net: qcom/emac: claim the irq only when the device is
 opened

Hi,

On 18.01.2017 22:42, Timur Tabi wrote:
> @@ -1029,8 +1017,6 @@ void emac_mac_down(struct emac_adapter *adpt)
>   	 */
>   	writel(DIS_INT, adpt->base + EMAC_INT_STATUS);
>   	writel(0, adpt->base + EMAC_INT_MASK);
> -	synchronize_irq(adpt->irq.irq);

There is no reason to remove the irq synchronization, is it?
Note that the desriptors are freed after that so we must be sure that
the irq handler is not running any more.

Regards,
Lino