提交 2b4e3ad8 编写于 作者: B Benjamin Herrenschmidt 提交者: Michael Ellerman

powerpc/mm/hash64: Don't test for machine type to detect HEA special case

Instead, check for FW_FEATURE_SPLPAR. This should be roughtly equivalent
as all pseries machiens that can have an HEA also support SPLPAR and
no other machine type does.
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
上级 5556ecf5
......@@ -527,7 +527,8 @@ static bool might_have_hea(void)
* we will never see an HEA ethernet device.
*/
#ifdef CONFIG_IBMEBUS
return !cpu_has_feature(CPU_FTR_ARCH_207S);
return !cpu_has_feature(CPU_FTR_ARCH_207S) &&
!firmware_has_feature(FW_FEATURE_SPLPAR);
#else
return false;
#endif
......@@ -593,7 +594,7 @@ static void __init htab_init_page_sizes(void)
* would stop us accessing the HEA ethernet. So if we
* have the chance of ever seeing one, stay at 4k.
*/
if (!might_have_hea() || !machine_is(pseries))
if (!might_have_hea())
mmu_io_psize = MMU_PAGE_64K;
} else
mmu_ci_restrictions = 1;
......
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