Subject: [PATCH 2/4] spi: qup: Correct selection of FIFO/Block mode

From: [email-masked] (Ivan T. Ivanov)
Date: Mon, 19 May 2014 10:31:44 +0300

On Tue, 2014-05-13 at 16:34 -0500, Andy Gross wrote:
> This patch fixes the calculation for determining whether to use FIFO or BLOCK
> mode.

<snip>

> @@ -368,7 +368,7 @@ static int spi_qup_io_config(struct spi_device *spi, struct spi_transfer *xfer)
>  	n_words = xfer->len / w_size;
>  	controller->w_size = w_size;
>  
> -	if (n_words <= controller->in_fifo_sz) {
> +	if (n_words <= (controller->in_fifo_sz / sizeof(u32))) {

Wouldn't be better to divide by w_size? Probably will not make
too much difference, but..

>  		mode = QUP_IO_M_MODE_FIFO;

Regards,
Ivan