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Date: Wed, 30 Sep 2009 21:43:28 +0200
From: Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>
To: spi-devel-general@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org,
Sascha Hauer <s.hauer@...gutronix.de>,
David Brownell <dbrownell@...rs.sourceforge.net>,
Andrew Morton <akpm@...ux-foundation.org>,
Guennadi Liakhovetski <g.liakhovetski@....de>
Subject: [PATCH 1/7] spi-imx: rename source file to spi_imx.c
This makes the filename match the Kconfig symbol and the driver name.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Sascha Hauer <s.hauer@...gutronix.de>
Cc: David Brownell <dbrownell@...rs.sourceforge.net>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Guennadi Liakhovetski <g.liakhovetski@....de>
---
drivers/spi/Makefile | 2 +-
drivers/spi/{mxc_spi.c => spi_imx.c} | 336 +++++++++++++++++-----------------
2 files changed, 169 insertions(+), 169 deletions(-)
rename drivers/spi/{mxc_spi.c => spi_imx.c} (57%)
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 6d7a3f8..21a1182 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -17,7 +17,7 @@ obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o
obj-$(CONFIG_SPI_AU1550) += au1550_spi.o
obj-$(CONFIG_SPI_BUTTERFLY) += spi_butterfly.o
obj-$(CONFIG_SPI_GPIO) += spi_gpio.o
-obj-$(CONFIG_SPI_IMX) += mxc_spi.o
+obj-$(CONFIG_SPI_IMX) += spi_imx.o
obj-$(CONFIG_SPI_LM70_LLP) += spi_lm70llp.o
obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o
obj-$(CONFIG_SPI_OMAP_UWIRE) += omap_uwire.o
diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/spi_imx.c
similarity index 57%
rename from drivers/spi/mxc_spi.c
rename to drivers/spi/spi_imx.c
index b144723..b1f530f 100644
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/spi_imx.c
@@ -48,14 +48,14 @@
#define MXC_INT_RR (1 << 0) /* Receive data ready interrupt */
#define MXC_INT_TE (1 << 1) /* Transmit FIFO empty interrupt */
-struct mxc_spi_config {
+struct spi_imx_config {
unsigned int speed_hz;
unsigned int bpw;
unsigned int mode;
int cs;
};
-struct mxc_spi_data {
+struct spi_imx_data {
struct spi_bitbang bitbang;
struct completion xfer_done;
@@ -66,43 +66,43 @@ struct mxc_spi_data {
int *chipselect;
unsigned int count;
- void (*tx)(struct mxc_spi_data *);
- void (*rx)(struct mxc_spi_data *);
+ void (*tx)(struct spi_imx_data *);
+ void (*rx)(struct spi_imx_data *);
void *rx_buf;
const void *tx_buf;
unsigned int txfifo; /* number of words pushed in tx FIFO */
/* SoC specific functions */
- void (*intctrl)(struct mxc_spi_data *, int);
- int (*config)(struct mxc_spi_data *, struct mxc_spi_config *);
- void (*trigger)(struct mxc_spi_data *);
- int (*rx_available)(struct mxc_spi_data *);
+ void (*intctrl)(struct spi_imx_data *, int);
+ int (*config)(struct spi_imx_data *, struct spi_imx_config *);
+ void (*trigger)(struct spi_imx_data *);
+ int (*rx_available)(struct spi_imx_data *);
};
#define MXC_SPI_BUF_RX(type) \
-static void mxc_spi_buf_rx_##type(struct mxc_spi_data *mxc_spi) \
+static void spi_imx_buf_rx_##type(struct spi_imx_data *spi_imx) \
{ \
- unsigned int val = readl(mxc_spi->base + MXC_CSPIRXDATA); \
+ unsigned int val = readl(spi_imx->base + MXC_CSPIRXDATA); \
\
- if (mxc_spi->rx_buf) { \
- *(type *)mxc_spi->rx_buf = val; \
- mxc_spi->rx_buf += sizeof(type); \
+ if (spi_imx->rx_buf) { \
+ *(type *)spi_imx->rx_buf = val; \
+ spi_imx->rx_buf += sizeof(type); \
} \
}
#define MXC_SPI_BUF_TX(type) \
-static void mxc_spi_buf_tx_##type(struct mxc_spi_data *mxc_spi) \
+static void spi_imx_buf_tx_##type(struct spi_imx_data *spi_imx) \
{ \
type val = 0; \
\
- if (mxc_spi->tx_buf) { \
- val = *(type *)mxc_spi->tx_buf; \
- mxc_spi->tx_buf += sizeof(type); \
+ if (spi_imx->tx_buf) { \
+ val = *(type *)spi_imx->tx_buf; \
+ spi_imx->tx_buf += sizeof(type); \
} \
\
- mxc_spi->count -= sizeof(type); \
+ spi_imx->count -= sizeof(type); \
\
- writel(val, mxc_spi->base + MXC_CSPITXDATA); \
+ writel(val, spi_imx->base + MXC_CSPITXDATA); \
}
MXC_SPI_BUF_RX(u8)
@@ -119,7 +119,7 @@ static int mxc_clkdivs[] = {0, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192,
256, 384, 512, 768, 1024};
/* MX21, MX27 */
-static unsigned int mxc_spi_clkdiv_1(unsigned int fin,
+static unsigned int spi_imx_clkdiv_1(unsigned int fin,
unsigned int fspi)
{
int i, max;
@@ -137,7 +137,7 @@ static unsigned int mxc_spi_clkdiv_1(unsigned int fin,
}
/* MX1, MX31, MX35 */
-static unsigned int mxc_spi_clkdiv_2(unsigned int fin,
+static unsigned int spi_imx_clkdiv_2(unsigned int fin,
unsigned int fspi)
{
int i, div = 4;
@@ -174,7 +174,7 @@ static unsigned int mxc_spi_clkdiv_2(unsigned int fin,
* the i.MX35 has a slightly different register layout for bits
* we do not use here.
*/
-static void mx31_intctrl(struct mxc_spi_data *mxc_spi, int enable)
+static void mx31_intctrl(struct spi_imx_data *spi_imx, int enable)
{
unsigned int val = 0;
@@ -183,24 +183,24 @@ static void mx31_intctrl(struct mxc_spi_data *mxc_spi, int enable)
if (enable & MXC_INT_RR)
val |= MX31_INTREG_RREN;
- writel(val, mxc_spi->base + MXC_CSPIINT);
+ writel(val, spi_imx->base + MXC_CSPIINT);
}
-static void mx31_trigger(struct mxc_spi_data *mxc_spi)
+static void mx31_trigger(struct spi_imx_data *spi_imx)
{
unsigned int reg;
- reg = readl(mxc_spi->base + MXC_CSPICTRL);
+ reg = readl(spi_imx->base + MXC_CSPICTRL);
reg |= MX31_CSPICTRL_XCH;
- writel(reg, mxc_spi->base + MXC_CSPICTRL);
+ writel(reg, spi_imx->base + MXC_CSPICTRL);
}
-static int mx31_config(struct mxc_spi_data *mxc_spi,
- struct mxc_spi_config *config)
+static int mx31_config(struct spi_imx_data *spi_imx,
+ struct spi_imx_config *config)
{
unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_MASTER;
- reg |= mxc_spi_clkdiv_2(mxc_spi->spi_clk, config->speed_hz) <<
+ reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, config->speed_hz) <<
MX31_CSPICTRL_DR_SHIFT;
if (cpu_is_mx31())
@@ -223,14 +223,14 @@ static int mx31_config(struct mxc_spi_data *mxc_spi,
reg |= (config->cs + 32) << MX35_CSPICTRL_CS_SHIFT;
}
- writel(reg, mxc_spi->base + MXC_CSPICTRL);
+ writel(reg, spi_imx->base + MXC_CSPICTRL);
return 0;
}
-static int mx31_rx_available(struct mxc_spi_data *mxc_spi)
+static int mx31_rx_available(struct spi_imx_data *spi_imx)
{
- return readl(mxc_spi->base + MX31_CSPISTATUS) & MX31_STATUS_RR;
+ return readl(spi_imx->base + MX31_CSPISTATUS) & MX31_STATUS_RR;
}
#define MX27_INTREG_RR (1 << 4)
@@ -246,7 +246,7 @@ static int mx31_rx_available(struct mxc_spi_data *mxc_spi)
#define MX27_CSPICTRL_DR_SHIFT 14
#define MX27_CSPICTRL_CS_SHIFT 19
-static void mx27_intctrl(struct mxc_spi_data *mxc_spi, int enable)
+static void mx27_intctrl(struct spi_imx_data *spi_imx, int enable)
{
unsigned int val = 0;
@@ -255,24 +255,24 @@ static void mx27_intctrl(struct mxc_spi_data *mxc_spi, int enable)
if (enable & MXC_INT_RR)
val |= MX27_INTREG_RREN;
- writel(val, mxc_spi->base + MXC_CSPIINT);
+ writel(val, spi_imx->base + MXC_CSPIINT);
}
-static void mx27_trigger(struct mxc_spi_data *mxc_spi)
+static void mx27_trigger(struct spi_imx_data *spi_imx)
{
unsigned int reg;
- reg = readl(mxc_spi->base + MXC_CSPICTRL);
+ reg = readl(spi_imx->base + MXC_CSPICTRL);
reg |= MX27_CSPICTRL_XCH;
- writel(reg, mxc_spi->base + MXC_CSPICTRL);
+ writel(reg, spi_imx->base + MXC_CSPICTRL);
}
-static int mx27_config(struct mxc_spi_data *mxc_spi,
- struct mxc_spi_config *config)
+static int mx27_config(struct spi_imx_data *spi_imx,
+ struct spi_imx_config *config)
{
unsigned int reg = MX27_CSPICTRL_ENABLE | MX27_CSPICTRL_MASTER;
- reg |= mxc_spi_clkdiv_1(mxc_spi->spi_clk, config->speed_hz) <<
+ reg |= spi_imx_clkdiv_1(spi_imx->spi_clk, config->speed_hz) <<
MX27_CSPICTRL_DR_SHIFT;
reg |= config->bpw - 1;
@@ -285,14 +285,14 @@ static int mx27_config(struct mxc_spi_data *mxc_spi,
if (config->cs < 0)
reg |= (config->cs + 32) << MX27_CSPICTRL_CS_SHIFT;
- writel(reg, mxc_spi->base + MXC_CSPICTRL);
+ writel(reg, spi_imx->base + MXC_CSPICTRL);
return 0;
}
-static int mx27_rx_available(struct mxc_spi_data *mxc_spi)
+static int mx27_rx_available(struct spi_imx_data *spi_imx)
{
- return readl(mxc_spi->base + MXC_CSPIINT) & MX27_INTREG_RR;
+ return readl(spi_imx->base + MXC_CSPIINT) & MX27_INTREG_RR;
}
#define MX1_INTREG_RR (1 << 3)
@@ -306,7 +306,7 @@ static int mx27_rx_available(struct mxc_spi_data *mxc_spi)
#define MX1_CSPICTRL_MASTER (1 << 10)
#define MX1_CSPICTRL_DR_SHIFT 13
-static void mx1_intctrl(struct mxc_spi_data *mxc_spi, int enable)
+static void mx1_intctrl(struct spi_imx_data *spi_imx, int enable)
{
unsigned int val = 0;
@@ -315,24 +315,24 @@ static void mx1_intctrl(struct mxc_spi_data *mxc_spi, int enable)
if (enable & MXC_INT_RR)
val |= MX1_INTREG_RREN;
- writel(val, mxc_spi->base + MXC_CSPIINT);
+ writel(val, spi_imx->base + MXC_CSPIINT);
}
-static void mx1_trigger(struct mxc_spi_data *mxc_spi)
+static void mx1_trigger(struct spi_imx_data *spi_imx)
{
unsigned int reg;
- reg = readl(mxc_spi->base + MXC_CSPICTRL);
+ reg = readl(spi_imx->base + MXC_CSPICTRL);
reg |= MX1_CSPICTRL_XCH;
- writel(reg, mxc_spi->base + MXC_CSPICTRL);
+ writel(reg, spi_imx->base + MXC_CSPICTRL);
}
-static int mx1_config(struct mxc_spi_data *mxc_spi,
- struct mxc_spi_config *config)
+static int mx1_config(struct spi_imx_data *spi_imx,
+ struct spi_imx_config *config)
{
unsigned int reg = MX1_CSPICTRL_ENABLE | MX1_CSPICTRL_MASTER;
- reg |= mxc_spi_clkdiv_2(mxc_spi->spi_clk, config->speed_hz) <<
+ reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, config->speed_hz) <<
MX1_CSPICTRL_DR_SHIFT;
reg |= config->bpw - 1;
@@ -341,22 +341,22 @@ static int mx1_config(struct mxc_spi_data *mxc_spi,
if (config->mode & SPI_CPOL)
reg |= MX1_CSPICTRL_POL;
- writel(reg, mxc_spi->base + MXC_CSPICTRL);
+ writel(reg, spi_imx->base + MXC_CSPICTRL);
return 0;
}
-static int mx1_rx_available(struct mxc_spi_data *mxc_spi)
+static int mx1_rx_available(struct spi_imx_data *spi_imx)
{
- return readl(mxc_spi->base + MXC_CSPIINT) & MX1_INTREG_RR;
+ return readl(spi_imx->base + MXC_CSPIINT) & MX1_INTREG_RR;
}
-static void mxc_spi_chipselect(struct spi_device *spi, int is_active)
+static void spi_imx_chipselect(struct spi_device *spi, int is_active)
{
- struct mxc_spi_data *mxc_spi = spi_master_get_devdata(spi->master);
+ struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
unsigned int cs = 0;
- int gpio = mxc_spi->chipselect[spi->chip_select];
- struct mxc_spi_config config;
+ int gpio = spi_imx->chipselect[spi->chip_select];
+ struct spi_imx_config config;
if (spi->mode & SPI_CS_HIGH)
cs = 1;
@@ -370,20 +370,20 @@ static void mxc_spi_chipselect(struct spi_device *spi, int is_active)
config.bpw = spi->bits_per_word;
config.speed_hz = spi->max_speed_hz;
config.mode = spi->mode;
- config.cs = mxc_spi->chipselect[spi->chip_select];
+ config.cs = spi_imx->chipselect[spi->chip_select];
- mxc_spi->config(mxc_spi, &config);
+ spi_imx->config(spi_imx, &config);
/* Initialize the functions for transfer */
if (config.bpw <= 8) {
- mxc_spi->rx = mxc_spi_buf_rx_u8;
- mxc_spi->tx = mxc_spi_buf_tx_u8;
+ spi_imx->rx = spi_imx_buf_rx_u8;
+ spi_imx->tx = spi_imx_buf_tx_u8;
} else if (config.bpw <= 16) {
- mxc_spi->rx = mxc_spi_buf_rx_u16;
- mxc_spi->tx = mxc_spi_buf_tx_u16;
+ spi_imx->rx = spi_imx_buf_rx_u16;
+ spi_imx->tx = spi_imx_buf_tx_u16;
} else if (config.bpw <= 32) {
- mxc_spi->rx = mxc_spi_buf_rx_u32;
- mxc_spi->tx = mxc_spi_buf_tx_u32;
+ spi_imx->rx = spi_imx_buf_rx_u32;
+ spi_imx->tx = spi_imx_buf_tx_u32;
} else
BUG();
@@ -393,83 +393,83 @@ static void mxc_spi_chipselect(struct spi_device *spi, int is_active)
return;
}
-static void mxc_spi_push(struct mxc_spi_data *mxc_spi)
+static void spi_imx_push(struct spi_imx_data *spi_imx)
{
- while (mxc_spi->txfifo < 8) {
- if (!mxc_spi->count)
+ while (spi_imx->txfifo < 8) {
+ if (!spi_imx->count)
break;
- mxc_spi->tx(mxc_spi);
- mxc_spi->txfifo++;
+ spi_imx->tx(spi_imx);
+ spi_imx->txfifo++;
}
- mxc_spi->trigger(mxc_spi);
+ spi_imx->trigger(spi_imx);
}
-static irqreturn_t mxc_spi_isr(int irq, void *dev_id)
+static irqreturn_t spi_imx_isr(int irq, void *dev_id)
{
- struct mxc_spi_data *mxc_spi = dev_id;
+ struct spi_imx_data *spi_imx = dev_id;
- while (mxc_spi->rx_available(mxc_spi)) {
- mxc_spi->rx(mxc_spi);
- mxc_spi->txfifo--;
+ while (spi_imx->rx_available(spi_imx)) {
+ spi_imx->rx(spi_imx);
+ spi_imx->txfifo--;
}
- if (mxc_spi->count) {
- mxc_spi_push(mxc_spi);
+ if (spi_imx->count) {
+ spi_imx_push(spi_imx);
return IRQ_HANDLED;
}
- if (mxc_spi->txfifo) {
+ if (spi_imx->txfifo) {
/* No data left to push, but still waiting for rx data,
* enable receive data available interrupt.
*/
- mxc_spi->intctrl(mxc_spi, MXC_INT_RR);
+ spi_imx->intctrl(spi_imx, MXC_INT_RR);
return IRQ_HANDLED;
}
- mxc_spi->intctrl(mxc_spi, 0);
- complete(&mxc_spi->xfer_done);
+ spi_imx->intctrl(spi_imx, 0);
+ complete(&spi_imx->xfer_done);
return IRQ_HANDLED;
}
-static int mxc_spi_setupxfer(struct spi_device *spi,
+static int spi_imx_setupxfer(struct spi_device *spi,
struct spi_transfer *t)
{
- struct mxc_spi_data *mxc_spi = spi_master_get_devdata(spi->master);
- struct mxc_spi_config config;
+ struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
+ struct spi_imx_config config;
config.bpw = t ? t->bits_per_word : spi->bits_per_word;
config.speed_hz = t ? t->speed_hz : spi->max_speed_hz;
config.mode = spi->mode;
- mxc_spi->config(mxc_spi, &config);
+ spi_imx->config(spi_imx, &config);
return 0;
}
-static int mxc_spi_transfer(struct spi_device *spi,
+static int spi_imx_transfer(struct spi_device *spi,
struct spi_transfer *transfer)
{
- struct mxc_spi_data *mxc_spi = spi_master_get_devdata(spi->master);
+ struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
- mxc_spi->tx_buf = transfer->tx_buf;
- mxc_spi->rx_buf = transfer->rx_buf;
- mxc_spi->count = transfer->len;
- mxc_spi->txfifo = 0;
+ spi_imx->tx_buf = transfer->tx_buf;
+ spi_imx->rx_buf = transfer->rx_buf;
+ spi_imx->count = transfer->len;
+ spi_imx->txfifo = 0;
- init_completion(&mxc_spi->xfer_done);
+ init_completion(&spi_imx->xfer_done);
- mxc_spi_push(mxc_spi);
+ spi_imx_push(spi_imx);
- mxc_spi->intctrl(mxc_spi, MXC_INT_TE);
+ spi_imx->intctrl(spi_imx, MXC_INT_TE);
- wait_for_completion(&mxc_spi->xfer_done);
+ wait_for_completion(&spi_imx->xfer_done);
return transfer->len;
}
-static int mxc_spi_setup(struct spi_device *spi)
+static int spi_imx_setup(struct spi_device *spi)
{
if (!spi->bits_per_word)
spi->bits_per_word = 8;
@@ -477,20 +477,20 @@ static int mxc_spi_setup(struct spi_device *spi)
pr_debug("%s: mode %d, %u bpw, %d hz\n", __func__,
spi->mode, spi->bits_per_word, spi->max_speed_hz);
- mxc_spi_chipselect(spi, BITBANG_CS_INACTIVE);
+ spi_imx_chipselect(spi, BITBANG_CS_INACTIVE);
return 0;
}
-static void mxc_spi_cleanup(struct spi_device *spi)
+static void spi_imx_cleanup(struct spi_device *spi)
{
}
-static int __init mxc_spi_probe(struct platform_device *pdev)
+static int __init spi_imx_probe(struct platform_device *pdev)
{
struct spi_imx_master *mxc_platform_info;
struct spi_master *master;
- struct mxc_spi_data *mxc_spi;
+ struct spi_imx_data *spi_imx;
struct resource *res;
int i, ret;
@@ -500,7 +500,7 @@ static int __init mxc_spi_probe(struct platform_device *pdev)
return -EINVAL;
}
- master = spi_alloc_master(&pdev->dev, sizeof(struct mxc_spi_data));
+ master = spi_alloc_master(&pdev->dev, sizeof(struct spi_imx_data));
if (!master)
return -ENOMEM;
@@ -509,32 +509,32 @@ static int __init mxc_spi_probe(struct platform_device *pdev)
master->bus_num = pdev->id;
master->num_chipselect = mxc_platform_info->num_chipselect;
- mxc_spi = spi_master_get_devdata(master);
- mxc_spi->bitbang.master = spi_master_get(master);
- mxc_spi->chipselect = mxc_platform_info->chipselect;
+ spi_imx = spi_master_get_devdata(master);
+ spi_imx->bitbang.master = spi_master_get(master);
+ spi_imx->chipselect = mxc_platform_info->chipselect;
for (i = 0; i < master->num_chipselect; i++) {
- if (mxc_spi->chipselect[i] < 0)
+ if (spi_imx->chipselect[i] < 0)
continue;
- ret = gpio_request(mxc_spi->chipselect[i], DRIVER_NAME);
+ ret = gpio_request(spi_imx->chipselect[i], DRIVER_NAME);
if (ret) {
i--;
while (i > 0)
- if (mxc_spi->chipselect[i] >= 0)
- gpio_free(mxc_spi->chipselect[i--]);
+ if (spi_imx->chipselect[i] >= 0)
+ gpio_free(spi_imx->chipselect[i--]);
dev_err(&pdev->dev, "can't get cs gpios");
goto out_master_put;
}
- gpio_direction_output(mxc_spi->chipselect[i], 1);
+ gpio_direction_output(spi_imx->chipselect[i], 1);
}
- mxc_spi->bitbang.chipselect = mxc_spi_chipselect;
- mxc_spi->bitbang.setup_transfer = mxc_spi_setupxfer;
- mxc_spi->bitbang.txrx_bufs = mxc_spi_transfer;
- mxc_spi->bitbang.master->setup = mxc_spi_setup;
- mxc_spi->bitbang.master->cleanup = mxc_spi_cleanup;
+ spi_imx->bitbang.chipselect = spi_imx_chipselect;
+ spi_imx->bitbang.setup_transfer = spi_imx_setupxfer;
+ spi_imx->bitbang.txrx_bufs = spi_imx_transfer;
+ spi_imx->bitbang.master->setup = spi_imx_setup;
+ spi_imx->bitbang.master->cleanup = spi_imx_cleanup;
- init_completion(&mxc_spi->xfer_done);
+ init_completion(&spi_imx->xfer_done);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -549,58 +549,58 @@ static int __init mxc_spi_probe(struct platform_device *pdev)
goto out_gpio_free;
}
- mxc_spi->base = ioremap(res->start, resource_size(res));
- if (!mxc_spi->base) {
+ spi_imx->base = ioremap(res->start, resource_size(res));
+ if (!spi_imx->base) {
ret = -EINVAL;
goto out_release_mem;
}
- mxc_spi->irq = platform_get_irq(pdev, 0);
- if (!mxc_spi->irq) {
+ spi_imx->irq = platform_get_irq(pdev, 0);
+ if (!spi_imx->irq) {
ret = -EINVAL;
goto out_iounmap;
}
- ret = request_irq(mxc_spi->irq, mxc_spi_isr, 0, DRIVER_NAME, mxc_spi);
+ ret = request_irq(spi_imx->irq, spi_imx_isr, 0, DRIVER_NAME, spi_imx);
if (ret) {
- dev_err(&pdev->dev, "can't get irq%d: %d\n", mxc_spi->irq, ret);
+ dev_err(&pdev->dev, "can't get irq%d: %d\n", spi_imx->irq, ret);
goto out_iounmap;
}
if (cpu_is_mx31() || cpu_is_mx35()) {
- mxc_spi->intctrl = mx31_intctrl;
- mxc_spi->config = mx31_config;
- mxc_spi->trigger = mx31_trigger;
- mxc_spi->rx_available = mx31_rx_available;
+ spi_imx->intctrl = mx31_intctrl;
+ spi_imx->config = mx31_config;
+ spi_imx->trigger = mx31_trigger;
+ spi_imx->rx_available = mx31_rx_available;
} else if (cpu_is_mx27() || cpu_is_mx21()) {
- mxc_spi->intctrl = mx27_intctrl;
- mxc_spi->config = mx27_config;
- mxc_spi->trigger = mx27_trigger;
- mxc_spi->rx_available = mx27_rx_available;
+ spi_imx->intctrl = mx27_intctrl;
+ spi_imx->config = mx27_config;
+ spi_imx->trigger = mx27_trigger;
+ spi_imx->rx_available = mx27_rx_available;
} else if (cpu_is_mx1()) {
- mxc_spi->intctrl = mx1_intctrl;
- mxc_spi->config = mx1_config;
- mxc_spi->trigger = mx1_trigger;
- mxc_spi->rx_available = mx1_rx_available;
+ spi_imx->intctrl = mx1_intctrl;
+ spi_imx->config = mx1_config;
+ spi_imx->trigger = mx1_trigger;
+ spi_imx->rx_available = mx1_rx_available;
} else
BUG();
- mxc_spi->clk = clk_get(&pdev->dev, NULL);
- if (IS_ERR(mxc_spi->clk)) {
+ spi_imx->clk = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(spi_imx->clk)) {
dev_err(&pdev->dev, "unable to get clock\n");
- ret = PTR_ERR(mxc_spi->clk);
+ ret = PTR_ERR(spi_imx->clk);
goto out_free_irq;
}
- clk_enable(mxc_spi->clk);
- mxc_spi->spi_clk = clk_get_rate(mxc_spi->clk);
+ clk_enable(spi_imx->clk);
+ spi_imx->spi_clk = clk_get_rate(spi_imx->clk);
if (!cpu_is_mx31() || !cpu_is_mx35())
- writel(1, mxc_spi->base + MXC_RESET);
+ writel(1, spi_imx->base + MXC_RESET);
- mxc_spi->intctrl(mxc_spi, 0);
+ spi_imx->intctrl(spi_imx, 0);
- ret = spi_bitbang_start(&mxc_spi->bitbang);
+ ret = spi_bitbang_start(&spi_imx->bitbang);
if (ret) {
dev_err(&pdev->dev, "bitbang start failed with %d\n", ret);
goto out_clk_put;
@@ -611,18 +611,18 @@ static int __init mxc_spi_probe(struct platform_device *pdev)
return ret;
out_clk_put:
- clk_disable(mxc_spi->clk);
- clk_put(mxc_spi->clk);
+ clk_disable(spi_imx->clk);
+ clk_put(spi_imx->clk);
out_free_irq:
- free_irq(mxc_spi->irq, mxc_spi);
+ free_irq(spi_imx->irq, spi_imx);
out_iounmap:
- iounmap(mxc_spi->base);
+ iounmap(spi_imx->base);
out_release_mem:
release_mem_region(res->start, resource_size(res));
out_gpio_free:
for (i = 0; i < master->num_chipselect; i++)
- if (mxc_spi->chipselect[i] >= 0)
- gpio_free(mxc_spi->chipselect[i]);
+ if (spi_imx->chipselect[i] >= 0)
+ gpio_free(spi_imx->chipselect[i]);
out_master_put:
spi_master_put(master);
kfree(master);
@@ -630,24 +630,24 @@ out_master_put:
return ret;
}
-static int __exit mxc_spi_remove(struct platform_device *pdev)
+static int __exit spi_imx_remove(struct platform_device *pdev)
{
struct spi_master *master = platform_get_drvdata(pdev);
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- struct mxc_spi_data *mxc_spi = spi_master_get_devdata(master);
+ struct spi_imx_data *spi_imx = spi_master_get_devdata(master);
int i;
- spi_bitbang_stop(&mxc_spi->bitbang);
+ spi_bitbang_stop(&spi_imx->bitbang);
- writel(0, mxc_spi->base + MXC_CSPICTRL);
- clk_disable(mxc_spi->clk);
- clk_put(mxc_spi->clk);
- free_irq(mxc_spi->irq, mxc_spi);
- iounmap(mxc_spi->base);
+ writel(0, spi_imx->base + MXC_CSPICTRL);
+ clk_disable(spi_imx->clk);
+ clk_put(spi_imx->clk);
+ free_irq(spi_imx->irq, spi_imx);
+ iounmap(spi_imx->base);
for (i = 0; i < master->num_chipselect; i++)
- if (mxc_spi->chipselect[i] >= 0)
- gpio_free(mxc_spi->chipselect[i]);
+ if (spi_imx->chipselect[i] >= 0)
+ gpio_free(spi_imx->chipselect[i]);
spi_master_put(master);
@@ -658,27 +658,27 @@ static int __exit mxc_spi_remove(struct platform_device *pdev)
return 0;
}
-static struct platform_driver mxc_spi_driver = {
+static struct platform_driver spi_imx_driver = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
- .probe = mxc_spi_probe,
- .remove = __exit_p(mxc_spi_remove),
+ .probe = spi_imx_probe,
+ .remove = __exit_p(spi_imx_remove),
};
-static int __init mxc_spi_init(void)
+static int __init spi_imx_init(void)
{
- return platform_driver_register(&mxc_spi_driver);
+ return platform_driver_register(&spi_imx_driver);
}
-static void __exit mxc_spi_exit(void)
+static void __exit spi_imx_exit(void)
{
- platform_driver_unregister(&mxc_spi_driver);
+ platform_driver_unregister(&spi_imx_driver);
}
-module_init(mxc_spi_init);
-module_exit(mxc_spi_exit);
+module_init(spi_imx_init);
+module_exit(spi_imx_exit);
MODULE_DESCRIPTION("SPI Master Controller driver");
MODULE_AUTHOR("Sascha Hauer, Pengutronix");
--
1.6.4.3
--
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