early_uart_init macro is only used if CONFIG_EARLY_UART_INIT is set.
This config option depends on EARLY_UART_PL011, so there is no point
in defining it for MESON, especially if it is empty. Remove it and adapt
the existing comment.

Signed-off-by: Michal Orzel <michal.orzel@amd.com>
---
 xen/arch/arm/arm64/debug-meson.inc | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/xen/arch/arm/arm64/debug-meson.inc b/xen/arch/arm/arm64/debug-meson.inc
index e1a8fa8ab9c4..e65e1ccde482 100644
--- a/xen/arch/arm/arm64/debug-meson.inc
+++ b/xen/arch/arm/arm64/debug-meson.inc
@@ -23,9 +23,10 @@
 
 #define AML_UART_TX_FIFO_FULL   21
 
-.macro early_uart_init xb, c
-/* Uart has already been initialized by Firmware, for instance by TF-A */
-.endm
+/*
+ * No need for early_uart_init, as UART has already been initialized
+ * by Firmware, for instance by TF-A.
+ */
 
 /*
  * MESON UART wait UART to be ready to transmit
-- 
2.25.1

Hi Michal,

On 18/11/2022 11:46, Michal Orzel wrote:
> early_uart_init macro is only used if CONFIG_EARLY_UART_INIT is set.
> This config option depends on EARLY_UART_PL011, so there is no point
> in defining it for MESON, especially if it is empty. Remove it and adapt
> the existing comment.
> 
> Signed-off-by: Michal Orzel <michal.orzel@amd.com>

Acked-by: Julien Grall <julien@xen.org>

Cheers,

-- 
Julien Grall