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ARM: uniphier: remove unused init code for CONFIG_DEBUG_UART

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debug_uart_init() is called from spl_board_init(), which is only
compiled for SPL. For U-boot proper, _debug_uart_init() is unreachable,
so dropped by the dead code elimination.

Now that 64-bit SoCs of this SoC family no longer support SPL,
debug-uart-ld20.c is never compiled.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2019-06-29 02:38:05 +09:00
parent 3b7fc3ff31
commit e3d5d3ac5b
4 changed files with 2 additions and 44 deletions
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8
arch/arm/mach-uniphier/debug-uart/debug-uart.c
View file

@ -28,6 +28,7 @@ static void _debug_uart_putc(int c)
void _debug_uart_init(void)
{
#ifdef CONFIG_SPL_BUILD
void __iomem *base = (void __iomem *)CONFIG_DEBUG_UART_BASE;
unsigned int divisor;
@ -61,12 +62,6 @@ void _debug_uart_init(void)
case UNIPHIER_LD6B_ID:
divisor = uniphier_ld6b_debug_uart_init();
break;
#endif
#if defined(CONFIG_ARCH_UNIPHIER_LD11) || defined(CONFIG_ARCH_UNIPHIER_LD20)
case UNIPHIER_LD11_ID:
case UNIPHIER_LD20_ID:
divisor = uniphier_ld20_debug_uart_init();
break;
#endif
default:
return;
@ -75,5 +70,6 @@ void _debug_uart_init(void)
writel(UART_LCR_WLEN8 << 8, base + UNIPHIER_UART_LCR_MCR);
writel(divisor, base + UNIPHIER_UART_LDR);
#endif
}
DEBUG_UART_FUNCS