octeon: port missing 4.9 patches

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 47 insertions, 0 deletions

diff --git a/target/linux/octeon/patches-4.9/160-cmdline-hack.patch b/target/linux/octeon/patches-4.9/160-cmdline-hack.patch
new file mode 100644
index 0000000000..2a4ad1dc73
--- /dev/null
+++ b/target/linux/octeon/patches-4.9/160-cmdline-hack.patch
@@ -0,0 +1,47 @@
+--- a/arch/mips/cavium-octeon/setup.c
++++ b/arch/mips/cavium-octeon/setup.c
+@@ -656,6 +656,35 @@ void octeon_user_io_init(void)
+ 	write_c0_derraddr1(0);
+ }
+ 
++#ifdef CONFIG_IMAGE_CMDLINE_HACK
++extern char __image_cmdline[];
++
++static int __init octeon_use_image_cmdline(void)
++{
++       char *p = __image_cmdline;
++       int replace = 0;
++
++       if (*p == '-') {
++               replace = 1;
++               p++;
++       }
++
++       if (*p == '\0')
++               return 0;
++
++       if (replace) {
++               strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline));
++       } else {
++               strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
++               strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
++       }
++
++       return 1;
++}
++#else
++static inline int octeon_use_image_cmdline(void) { return 0; }
++#endif
++
+ /**
+  * Early entry point for arch setup
+  */
+@@ -900,6 +929,8 @@ void __init prom_init(void)
+ 		}
+ 	}
+ 
++	octeon_use_image_cmdline();
++
+ 	if (strstr(arcs_cmdline, "console=") == NULL) {
+ #ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL
+ 		strcat(arcs_cmdline, " console=ttyS0,115200");