MIPS/EDAC: Improve OCTEON EDAC support.
Some initialization errors are reported with the existing OCTEON EDAC
support patch. Also some parts have more than one memory controller.
Fix the errors and add multiple controllers if present.
Signed-off-by: David Daney <david.daney@cavium.com>
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 7c2b7aa..d7e0a09 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -1112,18 +1112,30 @@
unflatten_device_tree();
}
+static int __initdata disable_octeon_edac_p;
+
+static int __init disable_octeon_edac(char *str)
+{
+ disable_octeon_edac_p = 1;
+ return 0;
+}
+early_param("disable_octeon_edac", disable_octeon_edac);
+
static char *edac_device_names[] = {
- "co_l2c_edac",
- "co_lmc_edac",
- "co_pc_edac",
+ "octeon_l2c_edac",
+ "octeon_pc_edac",
};
static int __init edac_devinit(void)
{
struct platform_device *dev;
int i, err = 0;
+ int num_lmc;
char *name;
+ if (disable_octeon_edac_p)
+ return 0;
+
for (i = 0; i < ARRAY_SIZE(edac_device_names); i++) {
name = edac_device_names[i];
dev = platform_device_register_simple(name, -1, NULL, 0);
@@ -1133,7 +1145,17 @@
}
}
+ num_lmc = OCTEON_IS_MODEL(OCTEON_CN68XX) ? 4 :
+ (OCTEON_IS_MODEL(OCTEON_CN56XX) ? 2 : 1);
+ for (i = 0; i < num_lmc; i++) {
+ dev = platform_device_register_simple("octeon_lmc_edac",
+ i, NULL, 0);
+ if (IS_ERR(dev)) {
+ pr_err("Registation of octeon_lmc_edac %d failed!\n", i);
+ err = PTR_ERR(dev);
+ }
+ }
+
return err;
}
-
device_initcall(edac_devinit);