linux-kernel - Re: [PATCH 01/10] tpm, tpm_crb: fix unaligned read of the command buffer address

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Message-Id: <201510180502.55677.PeterHuewe@gmx.de>
Date:	Sun, 18 Oct 2015 05:02:55 +0200
From:	Peter Hüwe <PeterHuewe@....de>
To:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	gregkh@...uxfoundation.org, jgunthorpe@...idianresearch.com,
	dhowells@...hat.com, artem.bityutskiy@...ux.intel.com,
	Marcel Selhorst <tpmdd@...horst.net>
Subject: Re: [PATCH 01/10] tpm, tpm_crb: fix unaligned read of the command buffer address

Am Freitag, 16. Oktober 2015, 20:40:20 schrieb Jarkko Sakkinen:
> +       pa = ((u64) le32_to_cpu(ioread32(&priv->cca->cmd_pa_high)) << 32) +
> +               (u64) le32_to_cpu(ioread32(&priv->cca->cmd_pa_low));

The canonical form would be 
> +       pa = ((u64) le32_to_cpu(ioread32(&priv->cca->cmd_pa_high)) << 32) |
> +               (u64) le32_to_cpu(ioread32(&priv->cca->cmd_pa_low));
?
Or am I missing something?
Shall I fix-up?

Thanks,
Peter
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