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34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
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From dcc2827ed6e701a65731c05b0297745559837217 Mon Sep 17 00:00:00 2001
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From: Hal Feng <hal.feng@starfivetech.com>
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Date: Fri, 12 May 2023 17:33:20 +0800
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Subject: [PATCH 062/116] i2c: designware: Delete SMBus functionalities
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The driver didn't implement the smbus interface,
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so replace the SMBus functionalities with
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I2C_FUNC_SMBUS_EMUL.
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Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
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---
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drivers/i2c/busses/i2c-designware-core.h | 10 ++++------
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1 file changed, 4 insertions(+), 6 deletions(-)
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--- a/drivers/i2c/busses/i2c-designware-core.h
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+++ b/drivers/i2c/busses/i2c-designware-core.h
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@@ -18,12 +18,10 @@
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#include <linux/regmap.h>
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#include <linux/types.h>
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-#define DW_IC_DEFAULT_FUNCTIONALITY (I2C_FUNC_I2C | \
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- I2C_FUNC_SMBUS_BYTE | \
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- I2C_FUNC_SMBUS_BYTE_DATA | \
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- I2C_FUNC_SMBUS_WORD_DATA | \
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- I2C_FUNC_SMBUS_BLOCK_DATA | \
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- I2C_FUNC_SMBUS_I2C_BLOCK)
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+#define DW_IC_DEFAULT_FUNCTIONALITY (I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL \
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+ & ~I2C_FUNC_SMBUS_QUICK \
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+ & ~I2C_FUNC_SMBUS_PROC_CALL \
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+ & ~I2C_FUNC_SMBUS_PEC))
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#define DW_IC_CON_MASTER BIT(0)
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#define DW_IC_CON_SPEED_STD (1 << 1)
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