diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 093438b93bd9..5f3e6d8659fe 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -76,7 +76,7 @@ */ #define EEH_MAX_FAILS 2100000 -/* Time to wait for a PCI slot to retport status, in milliseconds */ +/* Time to wait for a PCI slot to report status, in milliseconds */ #define PCI_BUS_RESET_WAIT_MSEC (60*1000) /* RTAS tokens */ @@ -95,11 +95,18 @@ EXPORT_SYMBOL(eeh_subsystem_enabled); /* Lock to avoid races due to multiple reports of an error */ static DEFINE_SPINLOCK(confirm_error_lock); -/* Buffer for reporting slot-error-detail rtas calls */ +/* Buffer for reporting slot-error-detail rtas calls. Its here + * in BSS, and not dynamically alloced, so that it ends up in + * RMO where RTAS can access it. + */ static unsigned char slot_errbuf[RTAS_ERROR_LOG_MAX]; static DEFINE_SPINLOCK(slot_errbuf_lock); static int eeh_error_buf_size; +/* Buffer for reporting pci register dumps. Its here in BSS, and + * not dynamically alloced, so that it ends up in RMO where RTAS + * can access it. + */ #define EEH_PCI_REGS_LOG_LEN 4096 static unsigned char pci_regs_buf[EEH_PCI_REGS_LOG_LEN]; @@ -218,7 +225,7 @@ static size_t gather_pci_data(struct pci_dn *pdn, char * buf, size_t len) void eeh_slot_error_detail(struct pci_dn *pdn, int severity) { size_t loglen = 0; - memset(pci_regs_buf, 0, EEH_PCI_REGS_LOG_LEN); + pci_regs_buf[0] = 0; rtas_pci_enable(pdn, EEH_THAW_MMIO); loglen = gather_pci_data(pdn, pci_regs_buf, EEH_PCI_REGS_LOG_LEN); |