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[SCSI] lpfc 8.3.30: Flush reset register write

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Used PCI configure space read to flush PCI function reset register write

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2012-03-01 22:37:18 -05:00 committed by James Bottomley
parent d4379acda2
commit 2b81f942e7
1 changed files with 3 additions and 1 deletions
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4
drivers/scsi/lpfc/lpfc_init.c
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@ -7232,6 +7232,7 @@ lpfc_pci_function_reset(struct lpfc_hba *phba)
uint32_t rdy_chk, num_resets = 0, reset_again = 0;
union lpfc_sli4_cfg_shdr *shdr;
struct lpfc_register reg_data;
uint16_t devid;
if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
switch (if_type) {
@ -7279,7 +7280,8 @@ lpfc_pci_function_reset(struct lpfc_hba *phba)
writel(reg_data.word0, phba->sli4_hba.u.if_type2.
CTRLregaddr);
/* flush */
readl(phba->sli4_hba.u.if_type2.STATUSregaddr);
pci_read_config_word(phba->pcidev,
PCI_DEVICE_ID, &devid);
/*
* Poll the Port Status Register and wait for RDY for
* up to 10 seconds. If the port doesn't respond, treat