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spi: rockchip: test: remove unused code

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Change-Id: I7b44f7c3a8e32eaf2c550d915c45a3394816c925
Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
This commit is contained in:
Huibin Hong 2018-02-09 16:32:10 +08:00 committed by Tao Huang
parent 4b4a117433
commit d51654309d
1 changed files with 5 additions and 57 deletions
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62
drivers/spi/spi-rockchip-test.c
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@ -17,6 +17,7 @@
spi_test@00 {
compatible = "rockchip,spi_test_bus0_cs0";
reg = <0>; //chip select 0:cs0 1:cs1
id = <0>;
spi-max-frequency = <24000000>; //spi output clock
//spi-cpha; not support
//spi-cpol; //if the property is here it is 1:clk is high, else 0:clk is low when idle
@ -25,6 +26,7 @@
spi_test@01 {
compatible = "rockchip,spi_test_bus0_cs1";
reg = <1>;
id = <1>;
spi-max-frequency = <24000000>;
spi-cpha;
spi-cpol;
@ -36,6 +38,7 @@
* echo write 0 10 255 > /dev/spi_misc_test
* echo write 0 10 255 init.rc > /dev/spi_misc_test
* echo read 0 10 255 > /dev/spi_misc_test
* echo loop 0 10 255 > /dev/spi_misc_test
* echo setspeed 0 1000000 > /dev/spi_misc_test
*/
@ -61,7 +64,6 @@
#include <linux/platform_data/spi-rockchip.h>
#include <asm/uaccess.h>
#include <linux/syscalls.h>
#include "spi-rockchip-core.h"
#define MAX_SPI_DEV_NUM 6
#define SPI_MAX_SPEED_HZ 12000000
@ -314,9 +316,11 @@ static ssize_t spi_test_write(struct file *file,
kfree(txbuf);
kfree(rxbuf);
} else {
printk("echo id number size > /dev/spi_misc_test\n");
printk("echo write 0 10 255 > /dev/spi_misc_test\n");
printk("echo write 0 10 255 init.rc > /dev/spi_misc_test\n");
printk("echo read 0 10 255 > /dev/spi_misc_test\n");
printk("echo loop 0 10 255 > /dev/spi_misc_test\n");
printk("echo setspeed 0 1000000 > /dev/spi_misc_test\n");
}
@ -333,60 +337,10 @@ static struct miscdevice spi_test_misc = {
.fops = &spi_test_fops,
};
#ifdef CONFIG_OF
static struct dw_spi_chip *rockchip_spi_parse_dt(struct device *dev)
{
u32 temp;
struct dw_spi_chip *spi_chip_data;
spi_chip_data = devm_kzalloc(dev, sizeof(*spi_chip_data), GFP_KERNEL);
if (!spi_chip_data) {
dev_err(dev, "memory allocation for spi_chip_data failed\n");
return ERR_PTR(-ENOMEM);
}
if (of_property_read_u32(dev->of_node, "poll_mode", &temp)) {
dev_warn(dev, "fail to get poll_mode, default set 0\n");
spi_chip_data->poll_mode = 0;
} else {
spi_chip_data->poll_mode = temp;
}
if (of_property_read_u32(dev->of_node, "type", &temp)) {
dev_warn(dev, "fail to get type, default set 0\n");
spi_chip_data->type = 0;
} else {
spi_chip_data->type = temp;
}
if (of_property_read_u32(dev->of_node, "enable_dma", &temp)) {
dev_warn(dev, "fail to get enable_dma, default set 0\n");
spi_chip_data->enable_dma = 0;
} else {
spi_chip_data->enable_dma = temp;
}
#if 0
if (of_property_read_u32(dev->of_node, "slave-enable", &temp)) {
dev_warn(dev, "fail to get slave-enable, default set 0\n");
spi_chip_data->slave_enable = 0;
} else {
spi_chip_data->slave_enable = temp;
}
#endif
return spi_chip_data;
}
#else
static struct spi_board_info *rockchip_spi_parse_dt(struct device *dev)
{
return dev->platform_data;
}
#endif
static int rockchip_spi_test_probe(struct spi_device *spi)
{
int ret;
int id = 0;
struct dw_spi_chip *spi_chip_data = NULL;
struct spi_test_data *spi_test_data = NULL;
if (!spi)
@ -395,17 +349,12 @@ static int rockchip_spi_test_probe(struct spi_device *spi)
if (!spi->dev.of_node)
return -ENOMEM;
spi_chip_data = rockchip_spi_parse_dt(&spi->dev);
if (IS_ERR(spi_chip_data))
return -ENOMEM;
spi_test_data = (struct spi_test_data *)kzalloc(sizeof(struct spi_test_data), GFP_KERNEL);
if (!spi_test_data) {
dev_err(&spi->dev, "ERR: no memory for spi_test_data\n");
return -ENOMEM;
}
spi->bits_per_word = 8;
spi->controller_data = spi_chip_data;
spi_test_data->spi = spi;
spi_test_data->dev = &spi->dev;
@ -425,7 +374,6 @@ static int rockchip_spi_test_probe(struct spi_device *spi)
printk("%s:name=%s,bus_num=%d,cs=%d,mode=%d,speed=%d\n", __func__, spi->modalias, spi->master->bus_num, spi->chip_select, spi->mode, spi->max_speed_hz);
printk("%s:poll_mode=%d, type=%d, enable_dma=%d\n", __func__, spi_chip_data->poll_mode, spi_chip_data->type, spi_chip_data->enable_dma);
return ret;
}