[PATCH v7 16/34] i2c: tegra: Clean up variable types

Dmitry Osipenko
2020-09-08T22:44:13Z

Don't use signed types for unsigned values and use consistent types
for sibling variables.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/i2c/busses/i2c-tegra.c | 38 +++++++++++++++++-----------------
1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 5a0bb5b3876c..71e82a68c942 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -206,20 +206,20 @@ struct tegra_i2c_hw_feature {
bool has_continue_xfer_support;
bool has_per_pkt_xfer_complete_irq;
bool has_config_load_reg;
- int clk_divisor_hs_mode;
- int clk_divisor_std_mode;
- int clk_divisor_fast_mode;
- u16 clk_divisor_fast_plus_mode;
+ u32 clk_divisor_hs_mode;
+ u32 clk_divisor_std_mode;
+ u32 clk_divisor_fast_mode;
+ u32 clk_divisor_fast_plus_mode;
bool has_multi_master_mode;
bool has_slcg_override_reg;
bool has_mst_fifo;
const struct i2c_adapter_quirks *quirks;
bool supports_bus_clear;
bool has_apb_dma;
- u8 tlow_std_mode;
- u8 thigh_std_mode;
- u8 tlow_fast_fastplus_mode;
- u8 thigh_fast_fastplus_mode;
+ u32 tlow_std_mode;
+ u32 thigh_std_mode;
+ u32 tlow_fast_fastplus_mode;
+ u32 thigh_fast_fastplus_mode;
u32 setup_hold_time_std_mode;
u32 setup_hold_time_fast_fast_plus_mode;
u32 setup_hold_time_hs_mode;
@@ -267,15 +267,15 @@ struct tegra_i2c_dev {
struct reset_control *rst;
void __iomem *base;
phys_addr_t base_phys;
- int cont_id;
- int irq;
- int is_dvc;
+ unsigned int cont_id;
+ unsigned int irq;
+ bool is_dvc;
bool is_vi;
struct completion msg_complete;
int msg_err;
u8 *msg_buf;
size_t msg_buf_remaining;
- int msg_read;
+ bool msg_read;
u32 bus_clk_rate;
bool is_multimaster_mode;
struct dma_chan *tx_dma_chan;
@@ -329,13 +329,13 @@ static u32 i2c_readl(struct tegra_i2c_dev *i2c_dev, unsigned long reg)
}

static void i2c_writesl(struct tegra_i2c_dev *i2c_dev, void *data,
- unsigned long reg, int len)
+ unsigned long reg, unsigned int len)
{
writesl(i2c_dev->base + tegra_i2c_reg_addr(i2c_dev, reg), data, len);
}

static void i2c_readsl(struct tegra_i2c_dev *i2c_dev, void *data,
- unsigned long reg, int len)
+ unsigned long reg, unsigned int len)
{
readsl(i2c_dev->base + tegra_i2c_reg_addr(i2c_dev, reg), data, len);
}
@@ -712,10 +712,10 @@ static int tegra_i2c_disable_packet_mode(struct tegra_i2c_dev *i2c_dev)
static int tegra_i2c_empty_rx_fifo(struct tegra_i2c_dev *i2c_dev)
{
u32 val;
- int rx_fifo_avail;
+ unsigned int rx_fifo_avail;
u8 *buf = i2c_dev->msg_buf;
size_t buf_remaining = i2c_dev->msg_buf_remaining;
- int words_to_transfer;
+ unsigned int words_to_transfer;

/*
* Catch overflow due to message fully sent
@@ -773,10 +773,10 @@ static int tegra_i2c_empty_rx_fifo(struct tegra_i2c_dev *i2c_dev)
static int tegra_i2c_fill_tx_fifo(struct tegra_i2c_dev *i2c_dev)
{
u32 val;
- int tx_fifo_avail;
+ unsigned int tx_fifo_avail;
u8 *buf = i2c_dev->msg_buf;
size_t buf_remaining = i2c_dev->msg_buf_remaining;
- int words_to_transfer;
+ unsigned int words_to_transfer;

if (i2c_dev->hw->has_mst_fifo) {
val = i2c_readl(i2c_dev, I2C_MST_FIFO_STATUS);
@@ -1134,7 +1134,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
i2c_dev->msg_buf = msg->buf;
i2c_dev->msg_buf_remaining = msg->len;
i2c_dev->msg_err = I2C_ERR_NONE;
- i2c_dev->msg_read = (msg->flags & I2C_M_RD);
+ i2c_dev->msg_read = !!(msg->flags & I2C_M_RD);
reinit_completion(&i2c_dev->msg_complete);

if (i2c_dev->msg_read)
--
2.27.0