* [PATCH 14/21] lpfc 8.3.30: Flush reset register write
@ 2012-03-02 3:37 James Smart
0 siblings, 0 replies; only message in thread
From: James Smart @ 2012-03-02 3:37 UTC (permalink / raw)
To: linux-scsi
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>
---
lpfc_init.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -upNr a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
--- a/drivers/scsi/lpfc/lpfc_init.c 2012-03-01 17:33:47.000000000 -0500
+++ b/drivers/scsi/lpfc/lpfc_init.c 2012-03-01 17:33:50.000000000 -0500
@@ -7232,6 +7232,7 @@ lpfc_pci_function_reset(struct lpfc_hba
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
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
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