spi: sirf: replace BUG condition by error code for unsupported transfer
return error for unsupported bits-per-word format, BUG() is not right
for this scenerios as we are not an ASSERT but an error handler.
Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <baohua.song@csr.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index f5715c9..a50ee9b 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -559,7 +559,8 @@
sspi->tx_word = spi_sirfsoc_tx_word_u32;
break;
default:
- BUG();
+ dev_err(&spi->dev, "bpw %d not supported\n", bits_per_word);
+ return -EINVAL;
}
sspi->word_width = DIV_ROUND_UP(bits_per_word, 8);