Use ioc->base_readl to restrict the readl retries to only
Aero controllers.
Signed-off-by: Suganath Prabu <suganath-prabu.subramani@xxxxxxxxxxxx>
---
drivers/scsi/mpt3sas/mpt3sas_base.c | 39 +++++++++++++++++++------------------
1 file changed, 20 insertions(+), 19 deletions(-)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index d371c8e..8a0851e 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -742,7 +742,7 @@ mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc)
dump_stack();
- doorbell = readl(&ioc->chip->Doorbell);
+ doorbell = ioc->base_readl(&ioc->chip->Doorbell);
if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
mpt3sas_base_fault_info(ioc , doorbell);
else {
@@ -1351,10 +1351,10 @@ _base_mask_interrupts(struct MPT3SAS_ADAPTER *ioc)
u32 him_register;
ioc->mask_interrupts = 1;
- him_register = readl(&ioc->chip->HostInterruptMask);
+ him_register = ioc->base_readl(&ioc->chip->HostInterruptMask);
him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK;
writel(him_register, &ioc->chip->HostInterruptMask);
- readl(&ioc->chip->HostInterruptMask);
+ ioc->base_readl(&ioc->chip->HostInterruptMask);
}
/**
@@ -1368,7 +1368,7 @@ _base_unmask_interrupts(struct MPT3SAS_ADAPTER *ioc)
{
u32 him_register;
- him_register = readl(&ioc->chip->HostInterruptMask);
+ him_register = ioc->base_readl(&ioc->chip->HostInterruptMask);
him_register &= ~MPI2_HIM_RIM;
writel(him_register, &ioc->chip->HostInterruptMask);
ioc->mask_interrupts = 0;
@@ -4880,7 +4880,7 @@ mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked)
{
u32 s, sc;
- s = readl(&ioc->chip->Doorbell);
+ s = ioc->base_readl(&ioc->chip->Doorbell);
sc = s & MPI2_IOC_STATE_MASK;
return cooked ? sc : s;
}
@@ -4936,7 +4936,7 @@ _base_wait_for_doorbell_int(struct MPT3SAS_ADAPTER *ioc, int timeout)
count = 0;
cntdn = 1000 * timeout;
do {
- int_status = readl(&ioc->chip->HostInterruptStatus);
+ int_status = ioc->base_readl(&ioc->chip->HostInterruptStatus);
if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
dhsprintk(ioc,
ioc_info(ioc, "%s: successful count(%d), timeout(%d)\n",
@@ -4962,7 +4962,7 @@ _base_spin_on_doorbell_int(struct MPT3SAS_ADAPTER *ioc, int timeout)
count = 0;
cntdn = 2000 * timeout;
do {
- int_status = readl(&ioc->chip->HostInterruptStatus);
+ int_status = ioc->base_readl(&ioc->chip->HostInterruptStatus);
if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
dhsprintk(ioc,
ioc_info(ioc, "%s: successful count(%d), timeout(%d)\n",
@@ -5000,14 +5000,14 @@ _base_wait_for_doorbell_ack(struct MPT3SAS_ADAPTER *ioc, int timeout)
count = 0;
cntdn = 1000 * timeout;
do {
- int_status = readl(&ioc->chip->HostInterruptStatus);
+ int_status = ioc->base_readl(&ioc->chip->HostInterruptStatus);
if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) {
dhsprintk(ioc,
ioc_info(ioc, "%s: successful count(%d), timeout(%d)\n",
__func__, count, timeout));
return 0;
} else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
- doorbell = readl(&ioc->chip->Doorbell);
+ doorbell = ioc->base_readl(&ioc->chip->Doorbell);
if ((doorbell & MPI2_IOC_STATE_MASK) ==
MPI2_IOC_STATE_FAULT) {
mpt3sas_base_fault_info(ioc , doorbell);
@@ -5042,7 +5042,7 @@ _base_wait_for_doorbell_not_used(struct MPT3SAS_ADAPTER *ioc, int timeout)
count = 0;
cntdn = 1000 * timeout;
do {
- doorbell_reg = readl(&ioc->chip->Doorbell);
+ doorbell_reg = ioc->base_readl(&ioc->chip->Doorbell);
if (!(doorbell_reg & MPI2_DOORBELL_USED)) {
dhsprintk(ioc,
ioc_info(ioc, "%s: successful count(%d), timeout(%d)\n",
@@ -5157,13 +5157,13 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
__le32 *mfp;
/* make sure doorbell is not in use */
- if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) {
+ if ((ioc->base_readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) {
ioc_err(ioc, "doorbell is in use (line=%d)\n", __LINE__);
return -EFAULT;
}
/* clear pending doorbell interrupts from previous state changes */
- if (readl(&ioc->chip->HostInterruptStatus) &
+ if (ioc->base_readl(&ioc->chip->HostInterruptStatus) &
MPI2_HIS_IOC2SYS_DB_STATUS)
writel(0, &ioc->chip->HostInterruptStatus);
@@ -5206,7 +5206,7 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
}
/* read the first two 16-bits, it gives the total length of the reply */
- reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell)
+ reply[0] = le16_to_cpu(ioc->base_readl(&ioc->chip->Doorbell)
& MPI2_DOORBELL_DATA_MASK);
writel(0, &ioc->chip->HostInterruptStatus);
if ((_base_wait_for_doorbell_int(ioc, 5))) {
@@ -5214,7 +5214,7 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
__LINE__);
return -EFAULT;
}
- reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell)
+ reply[1] = le16_to_cpu(ioc->base_readl(&ioc->chip->Doorbell)
& MPI2_DOORBELL_DATA_MASK);
writel(0, &ioc->chip->HostInterruptStatus);
@@ -5225,9 +5225,10 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
return -EFAULT;
}
if (i >= reply_bytes/2) /* overflow case */
- readl(&ioc->chip->Doorbell);
+ ioc->base_readl(&ioc->chip->Doorbell);
else
- reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell)
+ reply[i] = le16_to_cpu(
+ ioc->base_readl(&ioc->chip->Doorbell)
& MPI2_DOORBELL_DATA_MASK);
writel(0, &ioc->chip->HostInterruptStatus);
}
@@ -6053,14 +6054,14 @@ _base_diag_reset(struct MPT3SAS_ADAPTER *ioc)
if (count++ > 20)
goto out;
- host_diagnostic = readl(&ioc->chip->HostDiagnostic);
+ host_diagnostic = ioc->base_readl(&ioc->chip->HostDiagnostic);
drsprintk(ioc,
ioc_info(ioc, "wrote magic sequence: count(%d), host_diagnostic(0x%08x)\n",
count, host_diagnostic));
} while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0);
- hcb_size = readl(&ioc->chip->HCBSize);
+ hcb_size = ioc->base_readl(&ioc->chip->HCBSize);
drsprintk(ioc, ioc_info(ioc, "diag reset: issued\n"));
writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER,
@@ -6073,7 +6074,7 @@ _base_diag_reset(struct MPT3SAS_ADAPTER *ioc)
for (count = 0; count < (300000000 /
MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) {
- host_diagnostic = readl(&ioc->chip->HostDiagnostic);
+ host_diagnostic = ioc->base_readl(&ioc->chip->HostDiagnostic);
if (host_diagnostic == 0xFFFFFFFF)
goto out;
--
1.8.3.1
