> -----Original Message-----
> From: Sami Mujawar [mailto:sami.muja...@arm.com]
> Sent: 09 November 2020 12:30
> To: david.e....@linux.intel.com; Shameerali Kolothum Thodi
> <shameerali.kolothum.th...@huawei.com>;
> linux-arm-ker...@lists.infradead.org; linux-a...@vger.kernel.org;
> iommu@lists.linux-foundation.org; de...@acpica.org
> Cc: Linuxarm <linux...@huawei.com>; Lorenzo Pieralisi
> <lorenzo.pieral...@arm.com>; j...@8bytes.org; Robin Murphy
> <robin.mur...@arm.com>; wanghuiqiang <wanghuiqi...@huawei.com>;
> Jonathan Cameron <jonathan.came...@huawei.com>; nd <n...@arm.com>
> Subject: RE: [Devel] Re: [RFC PATCH 2/4] ACPI/IORT: Add support for RMR node
> parsing
>
> Hi,
>
> -----Original Message-----
> From: David E. Box <david.e....@linux.intel.com>
> Sent: 28 October 2020 06:44 PM
> To: Shameer Kolothum <shameerali.kolothum.th...@huawei.com>;
> linux-arm-ker...@lists.infradead.org; linux-a...@vger.kernel.org;
> iommu@lists.linux-foundation.org; de...@acpica.org
> Cc: linux...@huawei.com; Lorenzo Pieralisi <lorenzo.pieral...@arm.com>;
> j...@8bytes.org; Robin Murphy <robin.mur...@arm.com>;
> wanghuiqi...@huawei.com; jonathan.came...@huawei.com
> Subject: [Devel] Re: [RFC PATCH 2/4] ACPI/IORT: Add support for RMR node
> parsing
>
> Hi,
>
> On Tue, 2020-10-27 at 11:26 +0000, Shameer Kolothum wrote:
>
> ...
>
> > @@ -1647,6 +1667,100 @@ static void __init iort_enable_acs(struct
> > acpi_iort_node *iort_node)
> > #else
> > static inline void iort_enable_acs(struct acpi_iort_node *iort_node)
> > { }
> > #endif
> > +static int iort_rmr_desc_valid(struct acpi_iort_rmr_desc *desc)
> > +{
> > + struct iort_rmr_entry *e;
> > + u64 end, start = desc->base_address, length = desc->length;
> > +
> > + if ((!IS_ALIGNED(start, SZ_64K)) || (length % SZ_64K != 0))
>
> You could just do:
>
> if ((!IS_ALIGNED(start, SZ_64K)) || (length % SZ_64K))
>
> [SAMI] In my opinion, the following may be better:
> if (!IS_ALIGNED(start, SZ_64K) || !IS_ALIGNED(length, SZ_64K))
> [/SAMI]
Thanks for your suggestions. I don't have a strong opinion on either
of those, but will change it with the latter one for now.
Thanks,
Shameer
> Regards,
>
> Sami Mujawar
>
> David
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