serial: stm32: Fix AARCH64 compilation warnings
When building with AARCH64 defconfig, we got warnings, fix them
by using registers base address defined as void __iomem * instead of
fdt_addr_t.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/drivers/serial/serial_stm32.c b/drivers/serial/serial_stm32.c
index 23d476f..fb03954 100644
--- a/drivers/serial/serial_stm32.c
+++ b/drivers/serial/serial_stm32.c
@@ -30,7 +30,7 @@
*/
#define ONE_BYTE_B115200_US 87
-static void _stm32_serial_setbrg(fdt_addr_t base,
+static void _stm32_serial_setbrg(void __iomem *base,
struct stm32_uart_info *uart_info,
u32 clock_rate,
int baudrate)
@@ -75,7 +75,7 @@
struct stm32x7_serial_plat *plat = dev_get_plat(dev);
bool stm32f4 = plat->uart_info->stm32f4;
u8 uart_enable_bit = plat->uart_info->uart_enable_bit;
- u32 cr1 = plat->base + CR1_OFFSET(stm32f4);
+ void __iomem *cr1 = plat->base + CR1_OFFSET(stm32f4);
u32 config = 0;
uint parity = SERIAL_GET_PARITY(serial_config);
uint bits = SERIAL_GET_BITS(serial_config);
@@ -122,7 +122,7 @@
{
struct stm32x7_serial_plat *plat = dev_get_plat(dev);
bool stm32f4 = plat->uart_info->stm32f4;
- fdt_addr_t base = plat->base;
+ void __iomem *base = plat->base;
u32 isr = readl(base + ISR_OFFSET(stm32f4));
if ((isr & USART_ISR_RXNE) == 0)
@@ -141,7 +141,7 @@
return readl(base + RDR_OFFSET(stm32f4));
}
-static int _stm32_serial_putc(fdt_addr_t base,
+static int _stm32_serial_putc(void __iomem *base,
struct stm32_uart_info *uart_info,
const char c)
{
@@ -166,7 +166,7 @@
{
struct stm32x7_serial_plat *plat = dev_get_plat(dev);
bool stm32f4 = plat->uart_info->stm32f4;
- fdt_addr_t base = plat->base;
+ void __iomem *base = plat->base;
if (input)
return readl(base + ISR_OFFSET(stm32f4)) &
@@ -176,7 +176,7 @@
USART_ISR_TXE ? 0 : 1;
}
-static void _stm32_serial_init(fdt_addr_t base,
+static void _stm32_serial_init(void __iomem *base,
struct stm32_uart_info *uart_info)
{
bool stm32f4 = uart_info->stm32f4;
@@ -250,11 +250,14 @@
static int stm32_serial_of_to_plat(struct udevice *dev)
{
struct stm32x7_serial_plat *plat = dev_get_plat(dev);
+ fdt_addr_t addr;
- plat->base = dev_read_addr(dev);
- if (plat->base == FDT_ADDR_T_NONE)
+ addr = dev_read_addr(dev);
+ if (addr == FDT_ADDR_T_NONE)
return -EINVAL;
+ plat->base = (void __iomem *)addr;
+
return 0;
}
@@ -297,7 +300,7 @@
static inline void _debug_uart_init(void)
{
- fdt_addr_t base = CONFIG_VAL(DEBUG_UART_BASE);
+ void __iomem *base = (void __iomem *)CONFIG_VAL(DEBUG_UART_BASE);
struct stm32_uart_info *uart_info = _debug_uart_info();
_stm32_serial_init(base, uart_info);
@@ -308,7 +311,7 @@
static inline void _debug_uart_putc(int c)
{
- fdt_addr_t base = CONFIG_VAL(DEBUG_UART_BASE);
+ void __iomem *base = (void __iomem *)CONFIG_VAL(DEBUG_UART_BASE);
struct stm32_uart_info *uart_info = _debug_uart_info();
while (_stm32_serial_putc(base, uart_info, c) == -EAGAIN)
diff --git a/drivers/serial/serial_stm32.h b/drivers/serial/serial_stm32.h
index b7e7a90..d2c92ba 100644
--- a/drivers/serial/serial_stm32.h
+++ b/drivers/serial/serial_stm32.h
@@ -49,7 +49,7 @@
/* Information about a serial port */
struct stm32x7_serial_plat {
- fdt_addr_t base; /* address of registers in physical memory */
+ void __iomem *base; /* address of registers in physical memory */
struct stm32_uart_info *uart_info;
unsigned long int clock_rate;
};