netdev - Re: [PATCH v4 net-next 02/19] ionic: Add hardware init and device commands

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Message-Id: <20190723.141833.384334163321137202.davem@davemloft.net>
Date:   Tue, 23 Jul 2019 14:18:33 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     snelson@...sando.io
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH v4 net-next 02/19] ionic: Add hardware init and device
 commands

From: Shannon Nelson <snelson@...sando.io>
Date: Mon, 22 Jul 2019 14:40:06 -0700

> +void ionic_init_devinfo(struct ionic_dev *idev)
> +{
> +	idev->dev_info.asic_type = ioread8(&idev->dev_info_regs->asic_type);
> +	idev->dev_info.asic_rev = ioread8(&idev->dev_info_regs->asic_rev);
> +
> +	memcpy_fromio(idev->dev_info.fw_version,
> +		      idev->dev_info_regs->fw_version,
> +		      IONIC_DEVINFO_FWVERS_BUFLEN);
> +
> +	memcpy_fromio(idev->dev_info.serial_num,
> +		      idev->dev_info_regs->serial_num,
> +		      IONIC_DEVINFO_SERIAL_BUFLEN);
 ...
> +	sig = ioread32(&idev->dev_info_regs->signature);

I think if you are going to use the io{read,write}{8,16,32,64}()
interfaces then you should use io{read,write}{8,16,32,64}_rep()
instead of memcpy_{to,from}io().