Skip to content

Commit

Permalink
spi: dw: Fix typo in few registers name
Browse files Browse the repository at this point in the history
This patch will fix typo in the register name used in the source code,
to be consistent with the register name used in the databook.

Databook: DW_apb_ssi_databook.pdf version 4.01a

Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200505130618.554-2-wan.ahmad.zainie.wan.mohamad@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
  • Loading branch information
Wan Ahmad Zainie authored and Mark Brown committed May 5, 2020
1 parent e37687c commit 299cb65
Show file tree
Hide file tree
Showing 2 changed files with 13 additions and 13 deletions.
18 changes: 9 additions & 9 deletions drivers/spi/spi-dw.c
Original file line number Diff line number Diff line change
Expand Up @@ -47,19 +47,19 @@ static ssize_t dw_spi_show_regs(struct file *file, char __user *user_buf,
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
"=================================\n");
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
"CTRL0: \t\t0x%08x\n", dw_readl(dws, DW_SPI_CTRL0));
"CTRLR0: \t0x%08x\n", dw_readl(dws, DW_SPI_CTRLR0));
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
"CTRL1: \t\t0x%08x\n", dw_readl(dws, DW_SPI_CTRL1));
"CTRLR1: \t0x%08x\n", dw_readl(dws, DW_SPI_CTRLR1));
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
"SSIENR: \t0x%08x\n", dw_readl(dws, DW_SPI_SSIENR));
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
"SER: \t\t0x%08x\n", dw_readl(dws, DW_SPI_SER));
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
"BAUDR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_BAUDR));
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
"TXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_TXFLTR));
"TXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_TXFTLR));
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
"RXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_RXFLTR));
"RXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_RXFTLR));
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
"TXFLR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_TXFLR));
len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
Expand Down Expand Up @@ -304,7 +304,7 @@ static int dw_spi_transfer_one(struct spi_controller *master,
(((spi->mode & SPI_LOOP) ? 1 : 0) << SPI_SRL_OFFSET))
| (chip->tmode << SPI_TMOD_OFFSET);

dw_writel(dws, DW_SPI_CTRL0, cr0);
dw_writel(dws, DW_SPI_CTRLR0, cr0);

/* Check if current transfer is a DMA transaction */
if (master->can_dma && master->can_dma(master, spi, transfer))
Expand All @@ -325,7 +325,7 @@ static int dw_spi_transfer_one(struct spi_controller *master,
}
} else {
txlevel = min_t(u16, dws->fifo_len / 2, dws->len / dws->n_bytes);
dw_writel(dws, DW_SPI_TXFLTR, txlevel);
dw_writel(dws, DW_SPI_TXFTLR, txlevel);

/* Set the interrupt mask */
imask |= SPI_INT_TXEI | SPI_INT_TXOI |
Expand Down Expand Up @@ -397,11 +397,11 @@ static void spi_hw_init(struct device *dev, struct dw_spi *dws)
u32 fifo;

for (fifo = 1; fifo < 256; fifo++) {
dw_writel(dws, DW_SPI_TXFLTR, fifo);
if (fifo != dw_readl(dws, DW_SPI_TXFLTR))
dw_writel(dws, DW_SPI_TXFTLR, fifo);
if (fifo != dw_readl(dws, DW_SPI_TXFTLR))
break;
}
dw_writel(dws, DW_SPI_TXFLTR, 0);
dw_writel(dws, DW_SPI_TXFTLR, 0);

dws->fifo_len = (fifo == 1) ? 0 : fifo;
dev_dbg(dev, "Detected FIFO size: %u bytes\n", dws->fifo_len);
Expand Down
8 changes: 4 additions & 4 deletions drivers/spi/spi-dw.h
Original file line number Diff line number Diff line change
Expand Up @@ -6,14 +6,14 @@
#include <linux/scatterlist.h>

/* Register offsets */
#define DW_SPI_CTRL0 0x00
#define DW_SPI_CTRL1 0x04
#define DW_SPI_CTRLR0 0x00
#define DW_SPI_CTRLR1 0x04
#define DW_SPI_SSIENR 0x08
#define DW_SPI_MWCR 0x0c
#define DW_SPI_SER 0x10
#define DW_SPI_BAUDR 0x14
#define DW_SPI_TXFLTR 0x18
#define DW_SPI_RXFLTR 0x1c
#define DW_SPI_TXFTLR 0x18
#define DW_SPI_RXFTLR 0x1c
#define DW_SPI_TXFLR 0x20
#define DW_SPI_RXFLR 0x24
#define DW_SPI_SR 0x28
Expand Down

0 comments on commit 299cb65

Please sign in to comment.