diff options
Diffstat (limited to 'drivers/soc/tegra/fuse/tegra-apbmisc.c')
| -rw-r--r-- | drivers/soc/tegra/fuse/tegra-apbmisc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c index bfc1d54ac4ad..3bf5aba4caaa 100644 --- a/drivers/soc/tegra/fuse/tegra-apbmisc.c +++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c @@ -38,9 +38,12 @@ u32 tegra_read_chipid(void) u8 tegra_get_chip_id(void) { - u32 id = tegra_read_chipid(); + if (!apbmisc_base) { + WARN(1, "Tegra Chip ID not yet available\n"); + return 0; + } - return (id >> 8) & 0xff; + return (tegra_read_chipid() >> 8) & 0xff; } u32 tegra_read_straps(void) |