board: lx2160a: Add check in GIC RD tables init

Program the GIC redistributor tables only when succeeded to reserve memory
for them, otherwise kernel will lose the chance to program them using
allocated memory.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Wasim Khan <wasim.khan@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>

diff --git a/board/freescale/lx2160a/lx2160a.c b/board/freescale/lx2160a/lx2160a.c
index 23ea1b6f16aa31cb84708421c9db25da3152bf27..eafd53076344300ce4a8109ad2155fad818cd379 100644 (file)
--- a/board/freescale/lx2160a/lx2160a.c
+++ b/board/freescale/lx2160a/lx2160a.c
@@ -645,7 +645,7 @@ void board_quiesce_devices(void)
 #endif
 
 #ifdef CONFIG_GIC_V3_ITS
-void fdt_fixup_gic_lpi_memory(void *blob, u64 gic_lpi_base)
+int fdt_fixup_gic_lpi_memory(void *blob, u64 gic_lpi_base)
 {
        u32 phandle;
        int err;
@@ -656,6 +656,8 @@ void fdt_fixup_gic_lpi_memory(void *blob, u64 gic_lpi_base)
        err = fdtdec_add_reserved_memory(blob, "gic-lpi", &gic_lpi, &phandle);
        if (err < 0)
                debug("failed to add reserved memory: %d\n", err);
+
+       return err;
 }
 #endif
 
@@ -671,6 +673,7 @@ int ft_board_setup(void *blob, bd_t *bd)
        u64 mc_memory_size = 0;
        u16 total_memory_banks;
        u64 __maybe_unused gic_lpi_base;
+       int ret;
 
        ft_cpu_setup(blob, bd);
 
@@ -692,8 +695,9 @@ int ft_board_setup(void *blob, bd_t *bd)
 
 #ifdef CONFIG_GIC_V3_ITS
        gic_lpi_base = gd->arch.resv_ram - GIC_LPI_SIZE;
-       gic_lpi_tables_init(gic_lpi_base, cpu_numcores());
-       fdt_fixup_gic_lpi_memory(blob, gic_lpi_base);
+       ret = fdt_fixup_gic_lpi_memory(blob, gic_lpi_base);
+       if (!ret && gic_lpi_tables_init(gic_lpi_base, cpu_numcores()))
+               debug("%s: failed to init gic-lpi-tables\n", __func__);
 #endif
 
 #ifdef CONFIG_RESV_RAM