dw_spi: Fix missing final read in some polling situations
[linux-2.6.git] / drivers / spi / dw_spi.c
index 9043931..0838c79 100644 (file)
@@ -413,6 +413,11 @@ static void poll_transfer(struct dw_spi *dws)
 {
        while (dws->write(dws))
                dws->read(dws);
+       /*
+        * There is a possibility that the last word of a transaction
+        * will be lost if data is not ready. Re-read to solve this issue.
+        */
+       dws->read(dws);
 
        transfer_complete(dws);
 }