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

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Date: Tue, 19 Mar 2024 22:20:20 -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: [RESEND 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