struct platform_device *pdev;
struct spi_transfer *current_transfer;
- unsigned long current_remaining_bytes;
+ int current_remaining_bytes;
int done_status;
struct completion xfer_completion;
spi_readl(as, RDR);
}
if (xfer->bits_per_word > 8) {
- as->current_remaining_bytes -= 2;
- if (as->current_remaining_bytes < 0)
+ if (as->current_remaining_bytes > 2)
+ as->current_remaining_bytes -= 2;
+ else
as->current_remaining_bytes = 0;
} else {
as->current_remaining_bytes--;
atmel_spi_next_xfer_pio(master, xfer);
} else {
as->current_remaining_bytes -= len;
+ if (as->current_remaining_bytes < 0)
+ as->current_remaining_bytes = 0;
}
} else {
atmel_spi_next_xfer_pio(master, xfer);