Re: [PATCH] armv8: fsl-layerscape: use previous aligned address for gic_lpi_base

[Michael Walle]

Hi,

Am 2022-02-21 11:16, schrieb Wasim Khan:

From: Wasim Khan <wasim.k...@nxp.com>

Memory after gd->arch.resv_ram is reserved for MC block.
Use ALIGN_DOWN to avoid updating MC block for unaligned
address.

I cannot really tell what you are trying to do here. But I
know Marc has offered to also take a look at the GIC/LPI
stuff. So I've put him on CC.

-michael

Signed-off-by: Wasim Khan <wasim.k...@nxp.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/soc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index d3a5cfaac1..746c93cf51 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -65,7 +65,7 @@ int ls_gic_rd_tables_init(void *blob)
        u64 gic_lpi_base;
        int ret;

-       gic_lpi_base = ALIGN(gd->arch.resv_ram - GIC_LPI_SIZE, SZ_64K);
+       gic_lpi_base = ALIGN_DOWN(gd->arch.resv_ram - GIC_LPI_SIZE, SZ_64K);

ret = fdt_add_resv_mem_gic_rd_tables(blob, gic_lpi_base, GIC_LPI_SIZE);

        if (ret)
                return ret;