diff options
Diffstat (limited to 'drivers/bcma/host_soc.c')
| -rw-r--r-- | drivers/bcma/host_soc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/bcma/host_soc.c b/drivers/bcma/host_soc.c index 3475e600011a..1edd7e064621 100644 --- a/drivers/bcma/host_soc.c +++ b/drivers/bcma/host_soc.c @@ -134,12 +134,16 @@ static void bcma_host_soc_block_write(struct bcma_device *core, static u32 bcma_host_soc_aread32(struct bcma_device *core, u16 offset) { + if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n")) + return ~0; return readl(core->io_wrap + offset); } static void bcma_host_soc_awrite32(struct bcma_device *core, u16 offset, u32 value) { + if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n")) + return; writel(value, core->io_wrap + offset); } |