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Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-dw-mid.c10
-rw-r--r--drivers/spi/spi-dw.c24
-rw-r--r--drivers/spi/spi-dw.h10
3 files changed, 17 insertions, 27 deletions
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index d4109f6dd3c0..bb1052e748f2 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -98,12 +98,12 @@ static void mid_spi_dma_exit(struct dw_spi *dws)
static irqreturn_t dma_transfer(struct dw_spi *dws)
{
- u16 irq_status = dw_readw(dws, DW_SPI_ISR);
+ u16 irq_status = dw_readl(dws, DW_SPI_ISR);
if (!irq_status)
return IRQ_NONE;
- dw_readw(dws, DW_SPI_ICR);
+ dw_readl(dws, DW_SPI_ICR);
spi_reset_chip(dws);
dev_err(&dws->master->dev, "%s: FIFO overrun/underrun\n", __func__);
@@ -228,14 +228,14 @@ static int mid_spi_dma_setup(struct dw_spi *dws, struct spi_transfer *xfer)
{
u16 dma_ctrl = 0;
- dw_writew(dws, DW_SPI_DMARDLR, 0xf);
- dw_writew(dws, DW_SPI_DMATDLR, 0x10);
+ dw_writel(dws, DW_SPI_DMARDLR, 0xf);
+ dw_writel(dws, DW_SPI_DMATDLR, 0x10);
if (xfer->tx_buf)
dma_ctrl |= SPI_DMA_TDMAE;
if (xfer->rx_buf)
dma_ctrl |= SPI_DMA_RDMAE;
- dw_writew(dws, DW_SPI_DMACR, dma_ctrl);
+ dw_writel(dws, DW_SPI_DMACR, dma_ctrl);
/* Set the interrupt mask */
spi_umask_intr(dws, SPI_INT_TXOI | SPI_INT_RXUI | SPI_INT_RXOI);
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 0f0106933b52..cafac221fbf6 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -157,7 +157,7 @@ static inline u32 tx_max(struct dw_spi *dws)
u32 tx_left, tx_room, rxtx_gap;
tx_left = (dws->tx_end - dws->tx) / dws->n_bytes;
- tx_room = dws->fifo_len - dw_readw(dws, DW_SPI_TXFLR);
+ tx_room = dws->fifo_len - dw_readl(dws, DW_SPI_TXFLR);
/*
* Another concern is about the tx/rx mismatch, we
@@ -178,7 +178,7 @@ static inline u32 rx_max(struct dw_spi *dws)
{
u32 rx_left = (dws->rx_end - dws->rx) / dws->n_bytes;
- return min_t(u32, rx_left, dw_readw(dws, DW_SPI_RXFLR));
+ return min_t(u32, rx_left, dw_readl(dws, DW_SPI_RXFLR));
}
static void dw_writer(struct dw_spi *dws)
@@ -194,7 +194,7 @@ static void dw_writer(struct dw_spi *dws)
else
txw = *(u16 *)(dws->tx);
}
- dw_writew(dws, DW_SPI_DR, txw);
+ dw_writel(dws, DW_SPI_DR, txw);
dws->tx += dws->n_bytes;
}
}
@@ -205,7 +205,7 @@ static void dw_reader(struct dw_spi *dws)
u16 rxw;
while (max--) {
- rxw = dw_readw(dws, DW_SPI_DR);
+ rxw = dw_readl(dws, DW_SPI_DR);
/* Care rx only if the transfer's original "rx" is not null */
if (dws->rx_end - dws->len) {
if (dws->n_bytes == 1)
@@ -228,11 +228,11 @@ static void int_error_stop(struct dw_spi *dws, const char *msg)
static irqreturn_t interrupt_transfer(struct dw_spi *dws)
{
- u16 irq_status = dw_readw(dws, DW_SPI_ISR);
+ u16 irq_status = dw_readl(dws, DW_SPI_ISR);
/* Error handling */
if (irq_status & (SPI_INT_TXOI | SPI_INT_RXOI | SPI_INT_RXUI)) {
- dw_readw(dws, DW_SPI_ICR);
+ dw_readl(dws, DW_SPI_ICR);
int_error_stop(dws, "interrupt_transfer: fifo overrun/underrun");
return IRQ_HANDLED;
}
@@ -257,7 +257,7 @@ static irqreturn_t dw_spi_irq(int irq, void *dev_id)
{
struct spi_master *master = dev_id;
struct dw_spi *dws = spi_master_get_devdata(master);
- u16 irq_status = dw_readw(dws, DW_SPI_ISR) & 0x3f;
+ u16 irq_status = dw_readl(dws, DW_SPI_ISR) & 0x3f;
if (!irq_status)
return IRQ_NONE;
@@ -354,7 +354,7 @@ static int dw_spi_transfer_one(struct spi_master *master,
cr0 |= (chip->tmode << SPI_TMOD_OFFSET);
}
- dw_writew(dws, DW_SPI_CTRL0, cr0);
+ dw_writel(dws, DW_SPI_CTRL0, cr0);
/* Check if current transfer is a DMA transaction */
if (master->can_dma && master->can_dma(master, spi, transfer))
@@ -375,7 +375,7 @@ static int dw_spi_transfer_one(struct spi_master *master,
}
} else if (!chip->poll_mode) {
txlevel = min_t(u16, dws->fifo_len / 2, dws->len / dws->n_bytes);
- dw_writew(dws, DW_SPI_TXFLTR, txlevel);
+ dw_writel(dws, DW_SPI_TXFLTR, txlevel);
/* Set the interrupt mask */
imask |= SPI_INT_TXEI | SPI_INT_TXOI |
@@ -499,11 +499,11 @@ static void spi_hw_init(struct device *dev, struct dw_spi *dws)
u32 fifo;
for (fifo = 1; fifo < 256; fifo++) {
- dw_writew(dws, DW_SPI_TXFLTR, fifo);
- if (fifo != dw_readw(dws, DW_SPI_TXFLTR))
+ dw_writel(dws, DW_SPI_TXFLTR, fifo);
+ if (fifo != dw_readl(dws, DW_SPI_TXFLTR))
break;
}
- dw_writew(dws, DW_SPI_TXFLTR, 0);
+ dw_writel(dws, DW_SPI_TXFLTR, 0);
dws->fifo_len = (fifo == 1) ? 0 : fifo;
dev_dbg(dev, "Detected FIFO size: %u bytes\n", dws->fifo_len);
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index 41f77e2ccf63..6c91391c1a4f 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -150,16 +150,6 @@ static inline void dw_writel(struct dw_spi *dws, u32 offset, u32 val)
__raw_writel(val, dws->regs + offset);
}
-static inline u16 dw_readw(struct dw_spi *dws, u32 offset)
-{
- return __raw_readw(dws->regs + offset);
-}
-
-static inline void dw_writew(struct dw_spi *dws, u32 offset, u16 val)
-{
- __raw_writew(val, dws->regs + offset);
-}
-
static inline void spi_enable_chip(struct dw_spi *dws, int enable)
{
dw_writel(dws, DW_SPI_SSIENR, (enable ? 1 : 0));