linux-kernel - Re: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling in pcie-rcar

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Message-ID: <20151217133058.GA20372@katana>
Date:	Thu, 17 Dec 2015 14:30:58 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Phil Edworthy <phil.edworthy@...esas.com>
Cc:	Simon Horman <horms@...ge.net.au>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-sh@...r.kernel.org
Subject: Re: [PATCH 2/4] PCI: rcar: Support runtime PM link state L1 handling
 in pcie-rcar

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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