1 files changed, 0 insertions, 72 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0056-spi-bcm2708-add-9-bit-support-using-LoSSI-mode.patch b/target/linux/brcm2708/patches-3.10/0056-spi-bcm2708-add-9-bit-support-using-LoSSI-mode.patch
deleted file mode 100644
index 36aaf2f89b..0000000000
--- a/target/linux/brcm2708/patches-3.10/0056-spi-bcm2708-add-9-bit-support-using-LoSSI-mode.patch
+++ /dev/null
@@ -1,72 +0,0 @@
-From 4b64ce34aaf88c2869c74efad7cbe5167920625b Mon Sep 17 00:00:00 2001
-From: notro <notro@tronnes.org>
-Date: Sat, 26 Jan 2013 20:38:03 +0100
-Subject: [PATCH 056/196] spi-bcm2708: add 9-bit support using LoSSI mode
-
----
- drivers/spi/spi-bcm2708.c | 30 ++++++++++++++++++++++++++++--
- 1 file changed, 28 insertions(+), 2 deletions(-)
-
-diff --git a/drivers/spi/spi-bcm2708.c b/drivers/spi/spi-bcm2708.c
-index b74aa32..abaa5a6 100644
---- a/drivers/spi/spi-bcm2708.c
-+++ b/drivers/spi/spi-bcm2708.c
-@@ -146,10 +146,31 @@ static inline void bcm2708_rd_fifo(struct bcm2708_spi *bs, int len)
- static inline void bcm2708_wr_fifo(struct bcm2708_spi *bs, int len)
- {
- 	u8 byte;
-+	u16 val;
- 
- 	if (len > bs->len)
- 		len = bs->len;
- 
-+	if (unlikely(bcm2708_rd(bs, SPI_CS) & SPI_CS_LEN)) {
-+		/* LoSSI mode */
-+		if (unlikely(len % 2)) {
-+			printk(KERN_ERR"bcm2708_wr_fifo: length must be even, skipping.\n");
-+			bs->len = 0;
-+			return;
-+		}
-+		while (len) {
-+			if (bs->tx_buf) {
-+				val = *(const u16 *)bs->tx_buf;
-+				bs->tx_buf += 2;
-+			} else
-+				val = 0;
-+			bcm2708_wr(bs, SPI_FIFO, val);
-+			bs->len -= 2;
-+			len -= 2;
-+		}
-+		return;
-+	}
-+
- 	while (len--) {
- 		byte = bs->tx_buf ? *bs->tx_buf++ : 0;
- 		bcm2708_wr(bs, SPI_FIFO, byte);
-@@ -234,8 +255,12 @@ static int bcm2708_setup_state(struct spi_master *master,
- 	switch (bpw) {
- 	case 8:
- 		break;
-+	case 9:
-+		/* Reading in LoSSI mode is a special case. See 'BCM2835 ARM Peripherals' datasheet */
-+		cs |= SPI_CS_LEN;
-+		break;
- 	default:
--		dev_dbg(dev, "setup: invalid bits_per_word %u (must be 8)\n",
-+		dev_dbg(dev, "setup: invalid bits_per_word %u (must be 8 or 9)\n",
- 			bpw);
- 		return -EINVAL;
- 	}
-@@ -283,7 +308,8 @@ static int bcm2708_process_transfer(struct bcm2708_spi *bs,
- 		ret = bcm2708_setup_state(spi->master, &spi->dev, &state,
- 			xfer->speed_hz ? xfer->speed_hz : spi->max_speed_hz,
- 			spi->chip_select, spi->mode,
--			spi->bits_per_word);
-+			xfer->bits_per_word ? xfer->bits_per_word :
-+				spi->bits_per_word);
- 		if (ret)
- 			return ret;
- 
--- 
-1.9.1
-