linux-kernel - Re: [PATCH v2 1/1] PCI: Add hp_mmio_size and hp_mmio_pref

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Message-ID: <20191023131758.GB2819@lahna.fi.intel.com>
Date:   Wed, 23 Oct 2019 16:17:58 +0300
From:   "mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>
To:     Nicholas Johnson <nicholas.johnson-opensource@...look.com.au>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "corbet@....net" <corbet@....net>,
        "benh@...nel.crashing.org" <benh@...nel.crashing.org>,
        "logang@...tatee.com" <logang@...tatee.com>
Subject: Re: [PATCH v2 1/1] PCI: Add hp_mmio_size and hp_mmio_pref_size
 parameters

On Wed, Oct 23, 2019 at 12:12:29PM +0000, Nicholas Johnson wrote:
> Add kernel parameter pci=hpmmiosize=nn[KMG] to set MMIO bridge window
> size for hotplug bridges.
> 
> Add kernel parameter pci=hpmmioprefsize=nn[KMG] to set MMIO_PREF bridge
> window size for hotplug bridges.
> 
> Leave pci=hpmemsize=nn[KMG] unchanged, to prevent disruptions to
> existing users. This sets both MMIO and MMIO_PREF to the same size.
> 
> The two new parameters conform to the style of pci=hpiosize=nn[KMG].
> 
> Signed-off-by: Nicholas Johnson <nicholas.johnson-opensource@...look.com.au>

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>