EDAC, altera: Fix peripheral warnings for Cyclone5
authorThor Thayer <thor.thayer@linux.intel.com>
Wed, 5 Apr 2017 18:01:02 +0000 (13:01 -0500)
committerBorislav Petkov <bp@suse.de>
Thu, 6 Apr 2017 09:42:38 +0000 (11:42 +0200)
The peripherals' RAS functionality only exist on the Arria10 SoCFPGA.
The Cyclone5 initialization generates EDAC warnings when the peripherals
aren't found in the device tree. Fix by checking for Arria10 in the init
functions.

Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1491415262-5018-1-git-send-email-thor.thayer@linux.intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
drivers/edac/altera_edac.c

index c5a5b91f37f0b67499af386ed4e7031d4938ac94..7717b094fabb663ac4816d69a16fd3a9a973b4e1 100644 (file)
@@ -1023,13 +1023,23 @@ out:
        return ret;
 }
 
+static int socfpga_is_a10(void)
+{
+       return of_machine_is_compatible("altr,socfpga-arria10");
+}
+
 static int validate_parent_available(struct device_node *np);
 static const struct of_device_id altr_edac_a10_device_of_match[];
 static int __init __maybe_unused altr_init_a10_ecc_device_type(char *compat)
 {
        int irq;
-       struct device_node *child, *np = of_find_compatible_node(NULL, NULL,
-                                       "altr,socfpga-a10-ecc-manager");
+       struct device_node *child, *np;
+
+       if (!socfpga_is_a10())
+               return -ENODEV;
+
+       np = of_find_compatible_node(NULL, NULL,
+                                    "altr,socfpga-a10-ecc-manager");
        if (!np) {
                edac_printk(KERN_ERR, EDAC_DEVICE, "ECC Manager not found\n");
                return -ENODEV;
@@ -1545,8 +1555,12 @@ static const struct edac_device_prv_data a10_sdmmceccb_data = {
 static int __init socfpga_init_sdmmc_ecc(void)
 {
        int rc = -ENODEV;
-       struct device_node *child = of_find_compatible_node(NULL, NULL,
-                                               "altr,socfpga-sdmmc-ecc");
+       struct device_node *child;
+
+       if (!socfpga_is_a10())
+               return -ENODEV;
+
+       child = of_find_compatible_node(NULL, NULL, "altr,socfpga-sdmmc-ecc");
        if (!child) {
                edac_printk(KERN_WARNING, EDAC_DEVICE, "SDMMC node not found\n");
                return -ENODEV;