From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfram Sang <wsa@the-dreams.de>
Date: Thu, 17 Dec 2015 13:30:58 +0000
Subject: Re: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar
Message-Id: <20151217133058.GA20372@katana>
MIME-Version: 1
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List-Id: <linux-sh.vger.kernel.org>
References: <1450358557-28376-1-git-send-email-phil.edworthy@renesas.com>
 <1450358557-28376-3-git-send-email-phil.edworthy@renesas.com>
In-Reply-To: <1450358557-28376-3-git-send-email-phil.edworthy@renesas.com>
To: Phil Edworthy <phil.edworthy@renesas.com>
Cc: Simon Horman <horms@verge.net.au>, Bjorn Helgaas <bhelgaas@google.com>, Geert Uytterhoeven <geert@linux-m68k.org>, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-sh@vger.kernel.org


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Hi Phil,

> +		/* Wait until we are in L1 */
> +		while (!(val & L1FAEG))
> +			val = rcar_pci_read_reg(pcie, PMSR);

No timeout?

Regards,

   Wolfram


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