From 58e5585625d06530cf52ffc2b7b9a188dc46bffe Mon Sep 17 00:00:00 2001 From: Francois Retief Date: Mon, 23 Nov 2015 09:49:57 +0200 Subject: [PATCH] sparc: leon3: Clear GD_FLAG_SERIAL_READY flag on AMBA failure Clear the GD_FLG_SERIAL_READY flag on AMBA P&P lookup failure so that the panic function can use DEBUG_UART driver. drivers/serial/serial.c set this flag before calling this function, preventing DEBUG_UART code from running. Signed-off-by: Francois Retief --- arch/sparc/cpu/leon3/serial.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/cpu/leon3/serial.c b/arch/sparc/cpu/leon3/serial.c index 66b3773027..15d022673d 100644 --- a/arch/sparc/cpu/leon3/serial.c +++ b/arch/sparc/cpu/leon3/serial.c @@ -29,6 +29,7 @@ static int leon3_serial_init(void) /* find UART */ if (ambapp_apb_find(&ambapp_plb, VENDOR_GAISLER, GAISLER_APBUART, CONFIG_SYS_GRLIB_APBUART_INDEX, &apbdev) != 1) { + gd->flags &= ~GD_FLG_SERIAL_READY; panic("%s: apbuart not found!\n", __func__); return -1; /* didn't find hardware */ } -- 2.39.2