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SubjectRe: [PATCH] pci: brcmstb: Fix build on 32bit ARM platforms with older compilers
On Thu, 2020-02-27 at 12:51 +0100, Marek Szyprowski wrote:
> Some older compilers have no implementation for the helper for 64-bit
> unsigned division/modulo, so linking pcie-brcmstb driver causes the
> "undefined reference to `__aeabi_uldivmod'" error.
> *rc_bar2_size is always a power of two, because it is calculated as:
> "1ULL << fls64(entry->res->end - entry->res->start)", so the modulo
> operation in the subsequent check can be replaced by a simple logical
> AND with a proper mask.
> Signed-off-by: Marek Szyprowski <>

Acked-by: Nicolas Saenz Julienne <>


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