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amd64_edac: Fix node id signedness 

A node id can never be negative since we use it as an index into
the DRAM ranges array. This also makes one of the BUG_ON conditions
redundant.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
This commit is contained in:
Borislav Petkov 2011-02-21 18:55:00 +01:00
parent d88977a9c4
commit b487c33e55
2 changed files with 11 additions and 9 deletions
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16
drivers/edac/amd64_edac.c
View File

@ -226,7 +226,8 @@ static int amd64_get_scrub_rate(struct mem_ctl_info *mci)
* returns true if the SysAddr given by sys_addr matches the
* DRAM base/limit associated with node_id
*/
static bool amd64_base_limit_match(struct amd64_pvt *pvt, u64 sys_addr, int nid)
static bool amd64_base_limit_match(struct amd64_pvt *pvt, u64 sys_addr,
unsigned nid)
{
u64 addr;
@ -252,7 +253,7 @@ static struct mem_ctl_info *find_mc_by_sys_addr(struct mem_ctl_info *mci,
u64 sys_addr)
{
struct amd64_pvt *pvt;
int node_id;
unsigned node_id;
u32 intlv_en, bits;
/*
@ -302,7 +303,7 @@ static struct mem_ctl_info *find_mc_by_sys_addr(struct mem_ctl_info *mci,
}
found:
return edac_mc_find(node_id);
return edac_mc_find((int)node_id);
err_no_match:
debugf2("sys_addr 0x%lx doesn't match any node\n",
@ -602,7 +603,7 @@ static u64 sys_addr_to_input_addr(struct mem_ctl_info *mci, u64 sys_addr)
static u64 input_addr_to_dram_addr(struct mem_ctl_info *mci, u64 input_addr)
{
struct amd64_pvt *pvt;
int node_id, intlv_shift;
unsigned node_id, intlv_shift;
u64 bits, dram_addr;
u32 intlv_sel;
@ -616,7 +617,8 @@ static u64 input_addr_to_dram_addr(struct mem_ctl_info *mci, u64 input_addr)
*/
pvt = mci->pvt_info;
node_id = pvt->mc_node_id;
BUG_ON((node_id < 0) || (node_id > 7));
BUG_ON(node_id > 7);
intlv_shift = num_node_interleave_bits(dram_intlv_en(pvt, 0));
@ -2147,7 +2149,7 @@ static int init_csrows(struct mem_ctl_info *mci)
}
/* get all cores on this DCT */
static void get_cpus_on_this_dct_cpumask(struct cpumask *mask, int nid)
static void get_cpus_on_this_dct_cpumask(struct cpumask *mask, unsigned nid)
{
int cpu;
@ -2157,7 +2159,7 @@ static void get_cpus_on_this_dct_cpumask(struct cpumask *mask, int nid)
}
/* check MCG_CTL on all the cpus on this node */
static bool amd64_nb_mce_bank_enabled_on_node(int nid)
static bool amd64_nb_mce_bank_enabled_on_node(unsigned nid)
{
cpumask_var_t mask;
int cpu, nbe;

4
drivers/edac/amd64_edac.h
View File

@ -288,7 +288,7 @@
#define MSR_MCGCTL_NBE BIT(4)
/* AMD sets the first MC device at device ID 0x18. */
static inline int get_node_id(struct pci_dev *pdev)
static inline u8 get_node_id(struct pci_dev *pdev)
{
return PCI_SLOT(pdev->devfn) - 0x18;
}
@ -335,7 +335,7 @@ struct amd64_pvt {
/* pci_device handles which we utilize */
struct pci_dev *F1, *F2, *F3;
int mc_node_id; /* MC index of this MC node */
unsigned mc_node_id; /* MC index of this MC node */
int ext_model; /* extended model value of this node */
int channel_count;