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>
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@ -35,8 +35,8 @@ static int regmap_mmio_gather_write(void *context,
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struct regmap_mmio_context *ctx = context;
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u32 offset;
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if (reg_size != 4)
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return -EIO;
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BUG_ON(reg_size != 4);
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if (val_size % ctx->val_bytes)
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return -EIO;
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@ -60,7 +60,7 @@ static int regmap_mmio_gather_write(void *context,
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#endif
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default:
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/* Should be caught by regmap_mmio_check_config */
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return -EIO;
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BUG();
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}
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val_size -= ctx->val_bytes;
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val += ctx->val_bytes;
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@ -72,8 +72,8 @@ static int regmap_mmio_gather_write(void *context,
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static int regmap_mmio_write(void *context, const void *data, size_t count)
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{
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if (count < 4)
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return -EIO;
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BUG_ON(count < 4);
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return regmap_mmio_gather_write(context, data, 4, data + 4, count - 4);
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}
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@ -84,8 +84,8 @@ static int regmap_mmio_read(void *context,
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struct regmap_mmio_context *ctx = context;
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u32 offset;
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if (reg_size != 4)
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return -EIO;
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BUG_ON(reg_size != 4);
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if (val_size % ctx->val_bytes)
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return -EIO;
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@ -109,7 +109,7 @@ static int regmap_mmio_read(void *context,
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#endif
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default:
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/* Should be caught by regmap_mmio_check_config */
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return -EIO;
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BUG();
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}
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val_size -= ctx->val_bytes;
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val += ctx->val_bytes;
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