soc/intel/common/block/uart: Update the UART PCI device reference

This implementation revises the UART PCI device reference in common
UART driver. The SOC functions have been aligned to provide the UART
PCI device reference using pcidev_path_on_root.

The uart_get_device() return type is changed, and files in which
it gets used are updated.

Change-Id: Ie0fe5991f3b0b9c596c3de9472e98e4091d7dd87
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34582
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/soc/intel/common/block/include/intelblocks/uart.h b/src/soc/intel/common/block/include/intelblocks/uart.h
index 55f259db7c..1b62421d2b 100644
--- a/src/soc/intel/common/block/include/intelblocks/uart.h
+++ b/src/soc/intel/common/block/include/intelblocks/uart.h
@@ -40,7 +40,7 @@ struct uart_gpio_pad_config {
  * Common routine to initialize UART controller PCI config space, take it out of
  * reset and configure M/N dividers.
  */
-void uart_common_init(struct device *dev, uintptr_t baseaddr);
+void uart_common_init(const struct device *dev, uintptr_t baseaddr);
 
 /*
  * Check if UART debug controller is initialized
@@ -72,7 +72,7 @@ void uart_bootblock_init(void);
  * Pointer to device structure = If device has a UART debug controller.
  * NULL = otherwise
  */
-struct device *uart_get_device(void);
+const struct device *uart_get_device(void);
 
 /**************************** SoC callbacks ***********************************/
 
@@ -89,6 +89,6 @@ struct device *uart_get_device(void);
  * Pointer to device structure = If device has a UART debug controller.
  * NULL = otherwise
  */
-struct device *soc_uart_console_to_device(int uart_console);
+DEVTREE_CONST struct device *soc_uart_console_to_device(int uart_console);
 
 #endif	/* SOC_INTEL_COMMON_BLOCK_UART_H */