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yaml
---
r: 83492
b: refs/heads/master
c: 8bacb21
h: refs/heads/master
v: v3
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Haavard Skinnemoen authored and Linus Torvalds committed Feb 6, 2008
1 parent af679be commit 7bbf7d1
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Showing 2 changed files with 13 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 154443c72f47169ebcb3a7befbff0e934c49bff3
refs/heads/master: 8bacb219018a52e6f02a3cff6a7badf102ddfc44
20 changes: 12 additions & 8 deletions trunk/drivers/spi/atmel_spi.c
Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,11 @@ static void atmel_spi_next_xfer(struct spi_master *master,
len >>= 1;
spi_writel(as, RCR, len);
spi_writel(as, TCR, len);

dev_dbg(&msg->spi->dev,
" start xfer %p: len %u tx %p/%08x rx %p/%08x\n",
xfer, xfer->len, xfer->tx_buf, xfer->tx_dma,
xfer->rx_buf, xfer->rx_dma);
} else {
xfer = as->next_transfer;
remaining = as->next_remaining_bytes;
Expand All @@ -208,8 +213,8 @@ static void atmel_spi_next_xfer(struct spi_master *master,

if (remaining > 0)
len = remaining;
else if (!atmel_spi_xfer_is_last(msg, xfer) &&
atmel_spi_xfer_can_be_chained(xfer)) {
else if (!atmel_spi_xfer_is_last(msg, xfer)
&& atmel_spi_xfer_can_be_chained(xfer)) {
xfer = list_entry(xfer->transfer_list.next,
struct spi_transfer, transfer_list);
len = xfer->len;
Expand All @@ -230,6 +235,11 @@ static void atmel_spi_next_xfer(struct spi_master *master,
len >>= 1;
spi_writel(as, RNCR, len);
spi_writel(as, TNCR, len);

dev_dbg(&msg->spi->dev,
" next xfer %p: len %u tx %p/%08x rx %p/%08x\n",
xfer, xfer->len, xfer->tx_buf, xfer->tx_dma,
xfer->rx_buf, xfer->rx_dma);
} else {
spi_writel(as, RNCR, 0);
spi_writel(as, TNCR, 0);
Expand All @@ -246,12 +256,6 @@ static void atmel_spi_next_xfer(struct spi_master *master,
* It should be doable, though. Just not now...
*/
spi_writel(as, IER, SPI_BIT(ENDRX) | SPI_BIT(OVRES));

dev_dbg(&msg->spi->dev,
" start xfer %p: len %u tx %p/%08x rx %p/%08x imr %03x\n",
xfer, xfer->len, xfer->tx_buf, xfer->tx_dma,
xfer->rx_buf, xfer->rx_dma, spi_readl(as, IMR));

spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN));
}

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