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-rw-r--r--drivers/spi/amba-pl022.c38
-rw-r--r--drivers/spi/au1550_spi.c2
-rw-r--r--drivers/spi/dw_spi.c4
-rw-r--r--drivers/spi/dw_spi.h2
-rw-r--r--drivers/spi/ep93xx_spi.c2
-rw-r--r--drivers/spi/omap2_mcspi.c6
-rw-r--r--drivers/spi/pxa2xx_spi.c6
-rw-r--r--drivers/spi/spi.c2
-rw-r--r--drivers/spi/spi_bfin5xx.c4
-rw-r--r--drivers/spi/spi_fsl_espi.c2
-rw-r--r--drivers/spi/xilinx_spi.c3
11 files changed, 45 insertions, 26 deletions
diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
index 5c2b092a915e..08de58e7f59f 100644
--- a/drivers/spi/amba-pl022.c
+++ b/drivers/spi/amba-pl022.c
@@ -324,6 +324,7 @@ struct vendor_data {
bool unidir;
bool extended_cr;
bool pl023;
+ bool loopback;
};
/**
@@ -660,7 +661,7 @@ static void readwriter(struct pl022 *pl022)
{
/*
- * The FIFO depth is different inbetween primecell variants.
+ * The FIFO depth is different between primecell variants.
* I believe filling in too much in the FIFO might cause
* errons in 8bit wide transfers on ARM variants (just 8 words
* FIFO, means only 8x8 = 64 bits in FIFO) at least.
@@ -721,7 +722,7 @@ static void readwriter(struct pl022 *pl022)
* This inner reader takes care of things appearing in the RX
* FIFO as we're transmitting. This will happen a lot since the
* clock starts running when you put things into the TX FIFO,
- * and then things are continously clocked into the RX FIFO.
+ * and then things are continuously clocked into the RX FIFO.
*/
while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RNE)
&& (pl022->rx < pl022->rx_end)) {
@@ -841,7 +842,7 @@ static void dma_callback(void *data)
unmap_free_dma_scatter(pl022);
- /* Update total bytes transfered */
+ /* Update total bytes transferred */
msg->actual_length += pl022->cur_transfer->len;
if (pl022->cur_transfer->cs_change)
pl022->cur_chip->
@@ -1223,7 +1224,7 @@ static irqreturn_t pl022_interrupt_handler(int irq, void *dev_id)
"number of bytes on a 16bit bus?)\n",
(u32) (pl022->rx - pl022->rx_end));
}
- /* Update total bytes transfered */
+ /* Update total bytes transferred */
msg->actual_length += pl022->cur_transfer->len;
if (pl022->cur_transfer->cs_change)
pl022->cur_chip->
@@ -1414,11 +1415,11 @@ static void do_polling_transfer(struct pl022 *pl022)
SSP_CR1(pl022->virtbase));
dev_dbg(&pl022->adev->dev, "polling transfer ongoing ...\n");
- /* FIXME: insert a timeout so we don't hang here indefinately */
+ /* FIXME: insert a timeout so we don't hang here indefinitely */
while (pl022->tx < pl022->tx_end || pl022->rx < pl022->rx_end)
readwriter(pl022);
- /* Update total byte transfered */
+ /* Update total byte transferred */
message->actual_length += pl022->cur_transfer->len;
if (pl022->cur_transfer->cs_change)
pl022->cur_chip->cs_control(SSP_CHIP_DESELECT);
@@ -1554,7 +1555,7 @@ static int stop_queue(struct pl022 *pl022)
* A wait_queue on the pl022->busy could be used, but then the common
* execution path (pump_messages) would be required to call wake_up or
* friends on every SPI message. Do this instead */
- while (!list_empty(&pl022->queue) && pl022->busy && limit--) {
+ while ((!list_empty(&pl022->queue) || pl022->busy) && limit--) {
spin_unlock_irqrestore(&pl022->queue_lock, flags);
msleep(10);
spin_lock_irqsave(&pl022->queue_lock, flags);
@@ -1983,7 +1984,7 @@ static int pl022_setup(struct spi_device *spi)
SSP_WRITE_BITS(chip->cr0, clk_freq.scr, SSP_CR0_MASK_SCR, 8);
/* Loopback is available on all versions except PL023 */
- if (!pl022->vendor->pl023) {
+ if (pl022->vendor->loopback) {
if (spi->mode & SPI_LOOP)
tmp = LOOPBACK_ENABLED;
else
@@ -2128,7 +2129,7 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
"probe - problem registering spi master\n");
goto err_spi_register;
}
- dev_dbg(dev, "probe succeded\n");
+ dev_dbg(dev, "probe succeeded\n");
/*
* Disable the silicon block pclk and any voltage domain and just
* power it up and clock it when it's needed
@@ -2183,7 +2184,7 @@ pl022_remove(struct amba_device *adev)
spi_unregister_master(pl022->master);
spi_master_put(pl022->master);
amba_set_drvdata(adev, NULL);
- dev_dbg(&adev->dev, "remove succeded\n");
+ dev_dbg(&adev->dev, "remove succeeded\n");
return 0;
}
@@ -2233,6 +2234,7 @@ static struct vendor_data vendor_arm = {
.unidir = false,
.extended_cr = false,
.pl023 = false,
+ .loopback = true,
};
@@ -2242,6 +2244,7 @@ static struct vendor_data vendor_st = {
.unidir = false,
.extended_cr = true,
.pl023 = false,
+ .loopback = true,
};
static struct vendor_data vendor_st_pl023 = {
@@ -2250,6 +2253,16 @@ static struct vendor_data vendor_st_pl023 = {
.unidir = false,
.extended_cr = true,
.pl023 = true,
+ .loopback = false,
+};
+
+static struct vendor_data vendor_db5500_pl023 = {
+ .fifodepth = 32,
+ .max_bpw = 32,
+ .unidir = false,
+ .extended_cr = true,
+ .pl023 = true,
+ .loopback = true,
};
static struct amba_id pl022_ids[] = {
@@ -2283,6 +2296,11 @@ static struct amba_id pl022_ids[] = {
.mask = 0xffffffff,
.data = &vendor_st_pl023,
},
+ {
+ .id = 0x10080023,
+ .mask = 0xffffffff,
+ .data = &vendor_db5500_pl023,
+ },
{ 0, 0 },
};
diff --git a/drivers/spi/au1550_spi.c b/drivers/spi/au1550_spi.c
index 3c9ade69643f..b50563d320e1 100644
--- a/drivers/spi/au1550_spi.c
+++ b/drivers/spi/au1550_spi.c
@@ -480,7 +480,7 @@ static irqreturn_t au1550_spi_dma_irq_callback(struct au1550_spi *hw)
au1xxx_dbdma_stop(hw->dma_rx_ch);
au1xxx_dbdma_stop(hw->dma_tx_ch);
- /* get number of transfered bytes */
+ /* get number of transferred bytes */
hw->rx_count = hw->len - au1xxx_get_dma_residue(hw->dma_rx_ch);
hw->tx_count = hw->len - au1xxx_get_dma_residue(hw->dma_tx_ch);
diff --git a/drivers/spi/dw_spi.c b/drivers/spi/dw_spi.c
index 9a6196461b27..871e337c917f 100644
--- a/drivers/spi/dw_spi.c
+++ b/drivers/spi/dw_spi.c
@@ -345,7 +345,7 @@ static void int_error_stop(struct dw_spi *dws, const char *msg)
void dw_spi_xfer_done(struct dw_spi *dws)
{
- /* Update total byte transfered return count actual bytes read */
+ /* Update total byte transferred return count actual bytes read */
dws->cur_msg->actual_length += dws->len;
/* Move to next transfer */
@@ -821,7 +821,7 @@ static int stop_queue(struct dw_spi *dws)
spin_lock_irqsave(&dws->lock, flags);
dws->run = QUEUE_STOPPED;
- while (!list_empty(&dws->queue) && dws->busy && limit--) {
+ while ((!list_empty(&dws->queue) || dws->busy) && limit--) {
spin_unlock_irqrestore(&dws->lock, flags);
msleep(10);
spin_lock_irqsave(&dws->lock, flags);
diff --git a/drivers/spi/dw_spi.h b/drivers/spi/dw_spi.h
index fb0bce564844..b23e452adaf7 100644
--- a/drivers/spi/dw_spi.h
+++ b/drivers/spi/dw_spi.h
@@ -46,7 +46,7 @@
#define SPI_INT_RXFI (1 << 4)
#define SPI_INT_MSTI (1 << 5)
-/* TX RX interrupt level threshhold, max can be 256 */
+/* TX RX interrupt level threshold, max can be 256 */
#define SPI_INT_THRESHOLD 32
enum dw_ssi_type {
diff --git a/drivers/spi/ep93xx_spi.c b/drivers/spi/ep93xx_spi.c
index 0ba35df9a6df..d3570071e98f 100644
--- a/drivers/spi/ep93xx_spi.c
+++ b/drivers/spi/ep93xx_spi.c
@@ -512,7 +512,7 @@ static int ep93xx_spi_read_write(struct ep93xx_spi *espi)
*
* This function processes one SPI transfer given in @t. Function waits until
* transfer is complete (may sleep) and updates @msg->status based on whether
- * transfer was succesfully processed or not.
+ * transfer was successfully processed or not.
*/
static void ep93xx_spi_process_transfer(struct ep93xx_spi *espi,
struct spi_message *msg,
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 3a5ed06d3d2f..6f86ba0175ac 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -517,7 +517,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
dev_vdbg(&spi->dev, "read-%d %02x\n",
word_len, *(rx - 1));
}
- } while (c > (word_len>>3));
+ } while (c);
} else if (word_len <= 16) {
u16 *rx;
const u16 *tx;
@@ -564,7 +564,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
dev_vdbg(&spi->dev, "read-%d %04x\n",
word_len, *(rx - 1));
}
- } while (c > (word_len>>3));
+ } while (c >= 2);
} else if (word_len <= 32) {
u32 *rx;
const u32 *tx;
@@ -611,7 +611,7 @@ omap2_mcspi_txrx_pio(struct spi_device *spi, struct spi_transfer *xfer)
dev_vdbg(&spi->dev, "read-%d %08x\n",
word_len, *(rx - 1));
}
- } while (c > (word_len>>3));
+ } while (c >= 4);
}
/* for TX_ONLY mode, be sure all words have shifted out */
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index a429b01d0285..dc25bee8d33f 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -700,7 +700,7 @@ static void int_transfer_complete(struct driver_data *drv_data)
if (!pxa25x_ssp_comp(drv_data))
write_SSTO(0, reg);
- /* Update total byte transfered return count actual bytes read */
+ /* Update total byte transferred return count actual bytes read */
drv_data->cur_msg->actual_length += drv_data->len -
(drv_data->rx_end - drv_data->rx);
@@ -759,7 +759,7 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data)
/*
* PXA25x_SSP has no timeout, set up rx threshould for the
- * remaing RX bytes.
+ * remaining RX bytes.
*/
if (pxa25x_ssp_comp(drv_data)) {
@@ -1493,7 +1493,7 @@ static int stop_queue(struct driver_data *drv_data)
* execution path (pump_messages) would be required to call wake_up or
* friends on every SPI message. Do this instead */
drv_data->run = QUEUE_STOPPED;
- while (!list_empty(&drv_data->queue) && drv_data->busy && limit--) {
+ while ((!list_empty(&drv_data->queue) || drv_data->busy) && limit--) {
spin_unlock_irqrestore(&drv_data->lock, flags);
msleep(10);
spin_lock_irqsave(&drv_data->lock, flags);
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 34bb17f03019..82b9a428c323 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -957,7 +957,7 @@ EXPORT_SYMBOL_GPL(spi_sync);
* drivers may DMA directly into and out of the message buffers.
*
* This call should be used by drivers that require exclusive access to the
- * SPI bus. It has to be preceeded by a spi_bus_lock call. The SPI bus must
+ * SPI bus. It has to be preceded by a spi_bus_lock call. The SPI bus must
* be released by a spi_bus_unlock call when the exclusive access is over.
*
* It returns zero on success, else a negative error code.
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
index a28462486df8..f706dba165cf 100644
--- a/drivers/spi/spi_bfin5xx.c
+++ b/drivers/spi/spi_bfin5xx.c
@@ -905,7 +905,7 @@ static void bfin_spi_pump_transfers(unsigned long data)
"IO write error!\n");
message->state = ERROR_STATE;
} else {
- /* Update total byte transfered */
+ /* Update total byte transferred */
message->actual_length += drv_data->len_in_bytes;
/* Move to next transfer of this msg */
message->state = bfin_spi_next_transfer(drv_data);
@@ -1284,7 +1284,7 @@ static inline int bfin_spi_stop_queue(struct bfin_spi_master_data *drv_data)
* friends on every SPI message. Do this instead
*/
drv_data->running = false;
- while (!list_empty(&drv_data->queue) && drv_data->busy && limit--) {
+ while ((!list_empty(&drv_data->queue) || drv_data->busy) && limit--) {
spin_unlock_irqrestore(&drv_data->lock, flags);
msleep(10);
spin_lock_irqsave(&drv_data->lock, flags);
diff --git a/drivers/spi/spi_fsl_espi.c b/drivers/spi/spi_fsl_espi.c
index 900e921ab80e..496f895a0024 100644
--- a/drivers/spi/spi_fsl_espi.c
+++ b/drivers/spi/spi_fsl_espi.c
@@ -474,7 +474,7 @@ static int fsl_espi_setup(struct spi_device *spi)
mpc8xxx_spi = spi_master_get_devdata(spi->master);
reg_base = mpc8xxx_spi->reg_base;
- hw_mode = cs->hw_mode; /* Save orginal settings */
+ hw_mode = cs->hw_mode; /* Save original settings */
cs->hw_mode = mpc8xxx_spi_read_reg(
&reg_base->csmode[spi->chip_select]);
/* mask out bits we are going to set */
diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c
index 4d2c75df886c..c69c6f2c2c5c 100644
--- a/drivers/spi/xilinx_spi.c
+++ b/drivers/spi/xilinx_spi.c
@@ -18,6 +18,7 @@
#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/platform_device.h>
+#include <linux/mfd/core.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
#include <linux/spi/xilinx_spi.h>
@@ -470,7 +471,7 @@ static int __devinit xilinx_spi_probe(struct platform_device *dev)
struct spi_master *master;
u8 i;
- pdata = dev->dev.platform_data;
+ pdata = mfd_get_data(dev);
if (pdata) {
num_cs = pdata->num_chipselect;
little_endian = pdata->little_endian;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 16:18:32 +0100