linux-kernel - [RFC PATCH 2/5] i2c: mv64xxx: Clean up the private data struct

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Message-ID: <e1a13da5-a40e-4afd-924c-2ddc9771f5aa@turingpi.com>
Date: Tue, 19 Mar 2024 19:41:09 -0600
From: Sam Edwards <sam@...ingpi.com>
To: Gregory CLEMENT <gregory.clement@...tlin.com>,
 Andi Shyti <andi.shyti@...nel.org>
Cc: linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH 2/5] i2c: mv64xxx: Clean up the private data struct

There are many fields in `struct mv64xxx_i2c_data` with `u32` type
despite this not being the correct type for those fields.

Change the types to accurately reflect what is being kept in each field.

Signed-off-by: Sam Edwards <sam@...ingpi.com>
---
  drivers/i2c/busses/i2c-mv64xxx.c | 26 +++++++++++++-------------
  1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mv64xxx.c 
b/drivers/i2c/busses/i2c-mv64xxx.c
index cfc16909fba3..bb048e655be7 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -83,7 +83,7 @@
  #define	MV64XXX_I2C_BRIDGE_STATUS_ERROR			BIT(0)
   /* Driver states */
-enum {
+enum mv64xxx_i2c_state {
  	MV64XXX_I2C_STATE_INVALID,
  	MV64XXX_I2C_STATE_IDLE,
  	MV64XXX_I2C_STATE_WAITING_FOR_START_COND,
@@ -95,7 +95,7 @@ enum {
  };
   /* Driver actions */
-enum {
+enum mv64xxx_i2c_action {
  	MV64XXX_I2C_ACTION_INVALID,
  	MV64XXX_I2C_ACTION_CONTINUE,
  	MV64XXX_I2C_ACTION_SEND_RESTART,
@@ -121,21 +121,21 @@ struct mv64xxx_i2c_data {
  	struct i2c_msg		*msgs;
  	int			num_msgs;
  	int			irq;
-	u32			state;
-	u32			action;
-	u32			aborting;
+	enum mv64xxx_i2c_state	state;
+	enum mv64xxx_i2c_action	action;
+	bool			aborting;
  	u32			cntl_bits;
  	void __iomem		*reg_base;
  	struct mv64xxx_i2c_regs	reg_offsets;
-	u32			addr1;
-	u32			addr2;
-	u32			bytes_left;
-	u32			byte_posn;
-	u32			send_stop;
-	u32			block;
+	u8			addr1;
+	u8			addr2;
+	size_t			bytes_left;
+	size_t			byte_posn;
+	bool			send_stop;
+	bool			block;
  	int			rc;
-	u32			freq_m;
-	u32			freq_n;
+	u8			freq_m;
+	u8			freq_n;
  	struct clk              *clk;
  	struct clk              *reg_clk;
  	wait_queue_head_t	waitq;
-- 
2.43.2