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spi: rockchip-test: Remove useless test code

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1.It's to follow the concrete spi develop guild instead of these
rough introduction.
2.Remove useless filesystem operation

Change-Id: I0c0904720cd01bc1383f4722e9febf152e7c89e0
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2021-11-04 20:01:01 +08:00
committed by Tao Huang
parent 2690841f52
commit 4c0ef01e44
1 changed files with 2 additions and 49 deletions
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51
drivers/spi/spi-rockchip-test.c
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@@ -7,33 +7,6 @@
* GNU General Public License for more details.
*/
/* dts config
&spi0 {
status = "okay";
max-freq = <48000000>; //spi internal clk, don't modify
//dma-names = "tx", "rx"; //enable dma
pinctrl-names = "default"; //pinctrl according to you board
pinctrl-0 = <&spi0_clk &spi0_tx &spi0_rx &spi0_cs0 &spi0_cs1>;
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
};
spi_test@01 {
compatible = "rockchip,spi_test_bus0_cs1";
reg = <1>;
id = <1>;
spi-max-frequency = <24000000>;
spi-cpha;
spi-cpol;
};
};
*/
/* how to test spi
* echo write 0 10 255 > /dev/spi_misc_test
* echo write 0 10 255 init.rc > /dev/spi_misc_test
@@ -50,7 +23,6 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/fs.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/platform_device.h>
@@ -225,17 +197,9 @@ static ssize_t spi_test_write(struct file *file,
}
spi->max_speed_hz = val;
} else if (!strcmp(cmd, "write")) {
char name[64];
int fd;
mm_segment_t old_fs = get_fs();
sscanf(argv[0], "%d", &id);
sscanf(argv[1], "%d", &times);
sscanf(argv[2], "%d", &size);
if (argc > 3) {
sscanf(argv[3], "%s", name);
set_fs(KERNEL_DS);
}
txbuf = kzalloc(size, GFP_KERNEL);
if (!txbuf) {
@@ -243,19 +207,8 @@ static ssize_t spi_test_write(struct file *file,
return n;
}
if (argc > 3) {
fd = ksys_open(name, O_RDONLY, 0);
if (fd < 0) {
printk("open %s fail\n", name);
} else {
ksys_read(fd, (char __user *)txbuf, size);
ksys_close(fd);
}
set_fs(old_fs);
} else {
for (i = 0; i < size; i++)
txbuf[i] = i % 256;
}
for (i = 0; i < size; i++)
txbuf[i] = i % 256;
start_time = ktime_get();
for (i = 0; i < times; i++)