As the AMD64 last-level-cache ID is 16-bits and federated systems
eg using Numascale's NumaConnect/NumaChip can have more than 255 memory
controllers, use 16-bits to store the ID.

v2: Avoid change to intlv_en variable
v3: Drop unneeded change to index

Signed-off-by: Daniel J Blueman <dan...@numascale-asia.com>
---
 drivers/edac/amd64_edac.c |   17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8de8873..6e3f002 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -942,7 +942,8 @@ static u64 get_error_address(struct mce *m)
                struct amd64_pvt *pvt;
                u64 cc6_base, tmp_addr;
                u32 tmp;
-               u8 mce_nid, intlv_en;
+               u16 mce_nid;
+               u8 intlv_en;
 
                if ((addr & GENMASK(24, 47)) >> 24 != 0x00fdf7)
                        return addr;
@@ -2298,7 +2299,7 @@ out:
        return ret;
 }
 
-static int toggle_ecc_err_reporting(struct ecc_settings *s, u8 nid, bool on)
+static int toggle_ecc_err_reporting(struct ecc_settings *s, u16 nid, bool on)
 {
        cpumask_var_t cmask;
        int cpu;
@@ -2336,7 +2337,7 @@ static int toggle_ecc_err_reporting(struct ecc_settings 
*s, u8 nid, bool on)
        return 0;
 }
 
-static bool enable_ecc_error_reporting(struct ecc_settings *s, u8 nid,
+static bool enable_ecc_error_reporting(struct ecc_settings *s, u16 nid,
                                       struct pci_dev *F3)
 {
        bool ret = true;
@@ -2388,7 +2389,7 @@ static bool enable_ecc_error_reporting(struct 
ecc_settings *s, u8 nid,
        return ret;
 }
 
-static void restore_ecc_error_reporting(struct ecc_settings *s, u8 nid,
+static void restore_ecc_error_reporting(struct ecc_settings *s, u16 nid,
                                        struct pci_dev *F3)
 {
        u32 value, mask = 0x3;          /* UECC/CECC enable */
@@ -2427,7 +2428,7 @@ static const char *ecc_msg =
        "'ecc_enable_override'.\n"
        " (Note that use of the override may cause unknown side effects.)\n";
 
-static bool ecc_enabled(struct pci_dev *F3, u8 nid)
+static bool ecc_enabled(struct pci_dev *F3, u16 nid)
 {
        u32 value;
        u8 ecc_en = 0;
@@ -2548,7 +2549,7 @@ static int amd64_init_one_instance(struct pci_dev *F2)
        struct mem_ctl_info *mci = NULL;
        struct edac_mc_layer layers[2];
        int err = 0, ret;
-       u8 nid = amd_get_node_id(F2);
+       u16 nid = amd_get_node_id(F2);
 
        ret = -ENOMEM;
        pvt = kzalloc(sizeof(struct amd64_pvt), GFP_KERNEL);
@@ -2639,7 +2640,7 @@ err_ret:
 static int __devinit amd64_probe_one_instance(struct pci_dev *pdev,
                                             const struct pci_device_id 
*mc_type)
 {
-       u8 nid = amd_get_node_id(pdev);
+       u16 nid = amd_get_node_id(pdev);
        struct pci_dev *F3 = node_to_amd_nb(nid)->misc;
        struct ecc_settings *s;
        int ret = 0;
@@ -2689,7 +2690,7 @@ static void __devexit amd64_remove_one_instance(struct 
pci_dev *pdev)
 {
        struct mem_ctl_info *mci;
        struct amd64_pvt *pvt;
-       u8 nid = amd_get_node_id(pdev);
+       u16 nid = amd_get_node_id(pdev);
        struct pci_dev *F3 = node_to_amd_nb(nid)->misc;
        struct ecc_settings *s = ecc_stngs[nid];
 
-- 
1.7.10.4

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