debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/spi/spi-rockchip-test.c
..
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@@ -110,8 +110,8 @@
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 	return ret;
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 }
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-int spi_write_then_read_slt(int id, const void *txbuf, unsigned n_tx,
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-		void *rxbuf, unsigned n_rx)
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+int spi_write_then_read_slt(int id, const void *txbuf, unsigned int n_tx,
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+		void *rxbuf, unsigned int n_rx)
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 {
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 	int ret = -1;
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 	struct spi_device *spi = NULL;
..
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@@ -301,14 +301,21 @@
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 		kfree(txbuf);
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 		kfree(rxbuf);
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 	} else if (!strcmp(cmd, "config")) {
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-		int width;
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+		int width, mode;
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-		sscanf(argv[0], "%d", &width);
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+		sscanf(argv[0], "%d", &id);
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+		sscanf(argv[1], "%d", &width);
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+		sscanf(argv[2], "mode=0x%x", &mode);
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 		if (width == 16)
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 			bit_per_word = 16;
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 		else
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 			bit_per_word = 8;
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+
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+		if (mode) {
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+			g_spi_test_data[id]->spi->mode = mode;
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+			spi_setup(g_spi_test_data[id]->spi);
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+		}
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 	} else {
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 		printk("echo id number size > /dev/spi_misc_test\n");
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 		printk("echo write 0 10 255 > /dev/spi_misc_test\n");
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@@ -316,7 +323,7 @@
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 		printk("echo read 0 10 255 > /dev/spi_misc_test\n");
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 		printk("echo loop 0 10 255 > /dev/spi_misc_test\n");
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 		printk("echo setspeed 0 1000000 > /dev/spi_misc_test\n");
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-		printk("echo config 8 > /dev/spi_misc_test\n");
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+		printk("echo config 0 8 mode=0xb > /dev/spi_misc_test\n");
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 	}
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 	return n;