regmap: mmio: convert some error returns to BUG()
Some of the error conditions detected by regmap_mmio_*() are pure internal
errors, rather than user-/client-triggerable conditions. Convert these to
BUG().
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c
index 1a7b5ee..ffa0e85 100644
--- a/drivers/base/regmap/regmap-mmio.c
+++ b/drivers/base/regmap/regmap-mmio.c
@@ -35,8 +35,8 @@
struct regmap_mmio_context *ctx = context;
u32 offset;
- if (reg_size != 4)
- return -EIO;
+ BUG_ON(reg_size != 4);
+
if (val_size % ctx->val_bytes)
return -EIO;
@@ -60,7 +60,7 @@
#endif
default:
/* Should be caught by regmap_mmio_check_config */
- return -EIO;
+ BUG();
}
val_size -= ctx->val_bytes;
val += ctx->val_bytes;
@@ -72,8 +72,8 @@
static int regmap_mmio_write(void *context, const void *data, size_t count)
{
- if (count < 4)
- return -EIO;
+ BUG_ON(count < 4);
+
return regmap_mmio_gather_write(context, data, 4, data + 4, count - 4);
}
@@ -84,8 +84,8 @@
struct regmap_mmio_context *ctx = context;
u32 offset;
- if (reg_size != 4)
- return -EIO;
+ BUG_ON(reg_size != 4);
+
if (val_size % ctx->val_bytes)
return -EIO;
@@ -109,7 +109,7 @@
#endif
default:
/* Should be caught by regmap_mmio_check_config */
- return -EIO;
+ BUG();
}
val_size -= ctx->val_bytes;
val += ctx->val_bytes;