openwrt/target/linux/omap24xx/patches-3.3/830-omap2-serial-fixes.patch

24 lines
601 B
Diff

--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -258,6 +258,8 @@ char *cmdline_find_option(char *str)
return strstr(saved_command_line, str);
}
+static struct omap_uart_state statebuf[4];
+
static int __init omap_serial_early_init(void)
{
do {
@@ -272,9 +274,9 @@ static int __init omap_serial_early_init
if (!oh)
break;
- uart = kzalloc(sizeof(struct omap_uart_state), GFP_KERNEL);
- if (WARN_ON(!uart))
+ if (WARN_ON(num_uarts >= ARRAY_SIZE(statebuf)))
return -ENODEV;
+ uart = &statebuf[num_uarts];
uart->oh = oh;
uart->num = num_uarts++;