ARM: ixp4xx: Remove unused debug iomap

If we don't provide the .map_io() callback, the LL debug
defines will kick in anyway, so delete the UART debug map
as well.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20221121221015.1454948-1-linus.walleij@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/mach-ixp4xx/ixp4xx-of.c b/arch/arm/mach-ixp4xx/ixp4xx-of.c
index 9f1557f..1b4d84a 100644 (file)
--- a/arch/arm/mach-ixp4xx/ixp4xx-of.c
+++ b/arch/arm/mach-ixp4xx/ixp4xx-of.c
@@ -2,31 +2,7 @@
 /*
  * IXP4xx Device Tree boot support
  */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/io.h>
-
 #include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#ifdef CONFIG_DEBUG_UART_8250
-static struct map_desc ixp4xx_of_io_desc[] __initdata = {
-       /* This is needed for LL-debug/earlyprintk/debug-macro.S */
-       {
-               .virtual = CONFIG_DEBUG_UART_VIRT,
-               .pfn = __phys_to_pfn(CONFIG_DEBUG_UART_PHYS),
-               .length = SZ_4K,
-               .type = MT_DEVICE,
-       },
-};
-
-static void __init ixp4xx_of_map_io(void)
-{
-       iotable_init(ixp4xx_of_io_desc, ARRAY_SIZE(ixp4xx_of_io_desc));
-}
-#else
-#define ixp4xx_of_map_io NULL
-#endif
 
 /*
  * We handle 4 different SoC families. These compatible strings are enough
@@ -42,6 +18,5 @@ static const char *ixp4xx_of_board_compat[] = {
 };
 
 DT_MACHINE_START(IXP4XX_DT, "IXP4xx (Device Tree)")
-       .map_io         = ixp4xx_of_map_io,
        .dt_compat      = ixp4xx_of_board_compat,
 MACHINE_END