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device: Const-ify all device driver instance pointers

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Now that device_api attribute is unmodified at runtime, as well as all
the other attributes, it is possible to switch all device driver
instance to be constant.

A coccinelle rule is used for this:

@r_const_dev_1
  disable optional_qualifier
@
@@
-struct device *
+const struct device *

@r_const_dev_2
 disable optional_qualifier
@
@@
-struct device * const
+const struct device *

Fixes #27399

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2020-04-30 20:33:38 +02:00 • committed by Carles Cufí
commit e18fcbba5a
1426 changed files with 9356 additions and 8368 deletions
Download patch file Download diff file Expand all files Collapse all files

51
drivers/serial/uart_esp32.c
View file

@ -90,7 +90,7 @@ struct uart_esp32_config {
/* driver data */
struct uart_esp32_data {
struct uart_config uart_config;
struct device *clock_dev;
const struct device *clock_dev;
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
uart_irq_callback_user_data_t irq_cb;
void *irq_cb_data;
@ -130,7 +130,7 @@ struct uart_esp32_data {
#define DPORT_UART0_CLK_EN DPORT_UART_CLK_EN
#define DPORT_UART0_RST DPORT_UART_RST
static int uart_esp32_poll_in(struct device *dev, unsigned char *p_char)
static int uart_esp32_poll_in(const struct device *dev, unsigned char *p_char)
{
if (UART_RXFIFO_COUNT(DEV_BASE(dev)->status) == 0) {
@ -141,7 +141,7 @@ static int uart_esp32_poll_in(struct device *dev, unsigned char *p_char)
return 0;
}
static void uart_esp32_poll_out(struct device *dev,
static void uart_esp32_poll_out(const struct device *dev,
unsigned char c)
{
/* Wait for space in FIFO */
@ -153,7 +153,7 @@ static void uart_esp32_poll_out(struct device *dev,
DEV_BASE(dev)->fifo = (uint32_t)c;
}
static int uart_esp32_err_check(struct device *dev)
static int uart_esp32_err_check(const struct device *dev)
{
uint32_t err = UART_GET_PARITY_ERR(DEV_BASE(dev)->int_st)
| UART_GET_FRAME_ERR(DEV_BASE(dev)->int_st);
@ -161,7 +161,8 @@ static int uart_esp32_err_check(struct device *dev)
return err;
}
static int uart_esp32_config_get(struct device *dev, struct uart_config *cfg)
static int uart_esp32_config_get(const struct device *dev,
struct uart_config *cfg)
{
struct uart_esp32_data *data = DEV_DATA(dev);
@ -186,7 +187,7 @@ static int uart_esp32_config_get(struct device *dev, struct uart_config *cfg)
return 0;
}
static int uart_esp32_set_baudrate(struct device *dev, int baudrate)
static int uart_esp32_set_baudrate(const struct device *dev, int baudrate)
{
uint32_t sys_clk_freq = 0;
@ -210,7 +211,7 @@ static int uart_esp32_set_baudrate(struct device *dev, int baudrate)
return 1;
}
static int uart_esp32_configure_pins(struct device *dev)
static int uart_esp32_configure_pins(const struct device *dev)
{
const struct uart_esp32_config *const cfg = DEV_CFG(dev);
@ -239,7 +240,7 @@ static int uart_esp32_configure_pins(struct device *dev)
return 0;
}
static int uart_esp32_configure(struct device *dev,
static int uart_esp32_configure(const struct device *dev,
const struct uart_config *cfg)
{
uint32_t conf0 = UART_TICK_REF_ALWAYS_ON;
@ -313,7 +314,7 @@ static int uart_esp32_configure(struct device *dev,
return 0;
}
static int uart_esp32_init(struct device *dev)
static int uart_esp32_init(const struct device *dev)
{
struct uart_esp32_data *data = DEV_DATA(dev);
@ -332,7 +333,7 @@ static int uart_esp32_init(struct device *dev)
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
static int uart_esp32_fifo_fill(struct device *dev,
static int uart_esp32_fifo_fill(const struct device *dev,
const uint8_t *tx_data, int len)
{
uint8_t num_tx = 0U;
@ -345,7 +346,7 @@ static int uart_esp32_fifo_fill(struct device *dev,
return num_tx;
}
static int uart_esp32_fifo_read(struct device *dev,
static int uart_esp32_fifo_read(const struct device *dev,
uint8_t *rx_data, const int len)
{
uint8_t num_rx = 0U;
@ -358,63 +359,63 @@ static int uart_esp32_fifo_read(struct device *dev,
return num_rx;
}
static void uart_esp32_irq_tx_enable(struct device *dev)
static void uart_esp32_irq_tx_enable(const struct device *dev)
{
DEV_BASE(dev)->int_clr |= UART_TXFIFO_EMPTY_INT_ENA;
DEV_BASE(dev)->int_ena |= UART_TXFIFO_EMPTY_INT_ENA;
}
static void uart_esp32_irq_tx_disable(struct device *dev)
static void uart_esp32_irq_tx_disable(const struct device *dev)
{
DEV_BASE(dev)->int_ena &= ~(UART_TXFIFO_EMPTY_INT_ENA);
}
static int uart_esp32_irq_tx_ready(struct device *dev)
static int uart_esp32_irq_tx_ready(const struct device *dev)
{
return (UART_TXFIFO_COUNT(DEV_BASE(dev)->status) < UART_FIFO_LIMIT);
}
static void uart_esp32_irq_rx_enable(struct device *dev)
static void uart_esp32_irq_rx_enable(const struct device *dev)
{
DEV_BASE(dev)->int_clr |= UART_RXFIFO_FULL_INT_ENA;
DEV_BASE(dev)->int_ena |= UART_RXFIFO_FULL_INT_ENA;
}
static void uart_esp32_irq_rx_disable(struct device *dev)
static void uart_esp32_irq_rx_disable(const struct device *dev)
{
DEV_BASE(dev)->int_ena &= ~(UART_RXFIFO_FULL_INT_ENA);
}
static int uart_esp32_irq_tx_complete(struct device *dev)
static int uart_esp32_irq_tx_complete(const struct device *dev)
{
/* check if TX FIFO is empty */
return (UART_TXFIFO_COUNT(DEV_BASE(dev)->status) == 0 ? 1 : 0);
}
static int uart_esp32_irq_rx_ready(struct device *dev)
static int uart_esp32_irq_rx_ready(const struct device *dev)
{
return (UART_RXFIFO_COUNT(DEV_BASE(dev)->status) > 0);
}
static void uart_esp32_irq_err_enable(struct device *dev)
static void uart_esp32_irq_err_enable(const struct device *dev)
{
/* enable framing, parity */
DEV_BASE(dev)->int_ena |= UART_FRM_ERR_INT_ENA
| UART_PARITY_ERR_INT_ENA;
}
static void uart_esp32_irq_err_disable(struct device *dev)
static void uart_esp32_irq_err_disable(const struct device *dev)
{
DEV_BASE(dev)->int_ena &= ~(UART_FRM_ERR_INT_ENA);
DEV_BASE(dev)->int_ena &= ~(UART_PARITY_ERR_INT_ENA);
}
static int uart_esp32_irq_is_pending(struct device *dev)
static int uart_esp32_irq_is_pending(const struct device *dev)
{
return uart_esp32_irq_rx_ready(dev) || uart_esp32_irq_tx_ready(dev);
}
static int uart_esp32_irq_update(struct device *dev)
static int uart_esp32_irq_update(const struct device *dev)
{
DEV_BASE(dev)->int_clr |= UART_RXFIFO_FULL_INT_ENA;
DEV_BASE(dev)->int_clr |= UART_TXFIFO_EMPTY_INT_ENA;
@ -422,7 +423,7 @@ static int uart_esp32_irq_update(struct device *dev)
return 1;
}
static void uart_esp32_irq_callback_set(struct device *dev,
static void uart_esp32_irq_callback_set(const struct device *dev,
uart_irq_callback_user_data_t cb,
void *cb_data)
{
@ -432,7 +433,7 @@ static void uart_esp32_irq_callback_set(struct device *dev,
void uart_esp32_isr(void *arg)
{
struct device *dev = arg;
const struct device *dev = arg;
struct uart_esp32_data *data = DEV_DATA(dev);
/* Verify if the callback has been registered */
@ -476,7 +477,7 @@ static const struct uart_driver_api uart_esp32_api = {
.irq_config_func = uart_esp32_irq_config_func_##idx,
#define ESP32_UART_IRQ_HANDLER(idx) \
static void uart_esp32_irq_config_func_##idx(struct device *dev) \
static void uart_esp32_irq_config_func_##idx(const struct device *dev) \
{ \
esp32_rom_intr_matrix_set(0, ETS_UART##idx##_INTR_SOURCE, \
INST_##idx##_ESPRESSIF_ESP32_UART_IRQ_0); \