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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_sup.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_sup.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 4bec0b4fb6b4..d54d2a99c3d3 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -126,6 +126,7 @@ qla2x00_write_nvram_word(scsi_qla_host_t *ha, uint32_t addr, uint16_t data)
/* Wait for NVRAM to become ready */
WRT_REG_WORD(&reg->nvram, NVR_SELECT);
+ RD_REG_WORD(&reg->nvram); /* PCI Posting. */
do {
NVRAM_DELAY();
word = RD_REG_WORD(&reg->nvram);
@@ -178,6 +179,7 @@ qla2x00_write_nvram_word_tmo(scsi_qla_host_t *ha, uint32_t addr, uint16_t data,
/* Wait for NVRAM to become ready */
WRT_REG_WORD(&reg->nvram, NVR_SELECT);
+ RD_REG_WORD(&reg->nvram); /* PCI Posting. */
do {
NVRAM_DELAY();
word = RD_REG_WORD(&reg->nvram);
@@ -235,6 +237,7 @@ qla2x00_nvram_request(scsi_qla_host_t *ha, uint32_t nv_cmd)
/* Read data from NVRAM. */
for (cnt = 0; cnt < 16; cnt++) {
WRT_REG_WORD(&reg->nvram, NVR_SELECT | NVR_CLOCK);
+ RD_REG_WORD(&reg->nvram); /* PCI Posting. */
NVRAM_DELAY();
data <<= 1;
reg_data = RD_REG_WORD(&reg->nvram);
@@ -337,6 +340,7 @@ qla2x00_clear_nvram_protection(scsi_qla_host_t *ha)
/* Wait for NVRAM to become ready. */
WRT_REG_WORD(&reg->nvram, NVR_SELECT);
+ RD_REG_WORD(&reg->nvram); /* PCI Posting. */
do {
NVRAM_DELAY();
word = RD_REG_WORD(&reg->nvram);
@@ -388,6 +392,7 @@ qla2x00_set_nvram_protection(scsi_qla_host_t *ha, int stat)
/* Wait for NVRAM to become ready. */
WRT_REG_WORD(&reg->nvram, NVR_SELECT);
+ RD_REG_WORD(&reg->nvram); /* PCI Posting. */
do {
NVRAM_DELAY();
word = RD_REG_WORD(&reg->nvram);
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