From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk
---
kernel/drivers/spi/spi-rockchip-test.c | 17 ++++++++++++-----
1 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/kernel/drivers/spi/spi-rockchip-test.c b/kernel/drivers/spi/spi-rockchip-test.c
index 544d603..f60c721 100644
--- a/kernel/drivers/spi/spi-rockchip-test.c
+++ b/kernel/drivers/spi/spi-rockchip-test.c
@@ -110,8 +110,8 @@
return ret;
}
-int spi_write_then_read_slt(int id, const void *txbuf, unsigned n_tx,
- void *rxbuf, unsigned n_rx)
+int spi_write_then_read_slt(int id, const void *txbuf, unsigned int n_tx,
+ void *rxbuf, unsigned int n_rx)
{
int ret = -1;
struct spi_device *spi = NULL;
@@ -301,14 +301,21 @@
kfree(txbuf);
kfree(rxbuf);
} else if (!strcmp(cmd, "config")) {
- int width;
+ int width, mode;
- sscanf(argv[0], "%d", &width);
+ sscanf(argv[0], "%d", &id);
+ sscanf(argv[1], "%d", &width);
+ sscanf(argv[2], "mode=0x%x", &mode);
if (width == 16)
bit_per_word = 16;
else
bit_per_word = 8;
+
+ if (mode) {
+ g_spi_test_data[id]->spi->mode = mode;
+ spi_setup(g_spi_test_data[id]->spi);
+ }
} else {
printk("echo id number size > /dev/spi_misc_test\n");
printk("echo write 0 10 255 > /dev/spi_misc_test\n");
@@ -316,7 +323,7 @@
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");
- printk("echo config 8 > /dev/spi_misc_test\n");
+ printk("echo config 0 8 mode=0xb > /dev/spi_misc_test\n");
}
return n;
--
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