From d82e68483b81768c8d19bc7529635dad741607ce Mon Sep 17 00:00:00 2001
From: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Date: Fri, 16 Sep 2022 22:01:11 +0900
Subject: [PATCH] scsi: mpt3sas: Revert "scsi: mpt3sas: Fix ioc->base_readl()
use"
This reverts commit 7ab4d2441b952977556672c2fe3f4c2a698cbb37 as it is
breaking the mpt3sas driver on big-endian machines.
Link: https://lore.kernel.org/r/20220916130111.168195-3-damien.lemoal@opensource.wdc.com
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/mpt3sas/mpt3sas_base.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 38e0c0fddbd84..8b22df8c1792d 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -7082,16 +7082,16 @@ _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] = ioc->base_readl(&ioc->chip->Doorbell)
- & MPI2_DOORBELL_DATA_MASK;
+ 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))) {
ioc_err(ioc, "doorbell handshake int failed (line=%d)\n",
__LINE__);
return -EFAULT;
}
- reply[1] = ioc->base_readl(&ioc->chip->Doorbell)
- & MPI2_DOORBELL_DATA_MASK;
+ reply[1] = le16_to_cpu(ioc->base_readl(&ioc->chip->Doorbell)
+ & MPI2_DOORBELL_DATA_MASK);
writel(0, &ioc->chip->HostInterruptStatus);
for (i = 2; i < default_reply->MsgLength * 2; i++) {
@@ -7103,8 +7103,9 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
if (i >= reply_bytes/2) /* overflow case */
ioc->base_readl(&ioc->chip->Doorbell);
else
- reply[i] = ioc->base_readl(&ioc->chip->Doorbell)
- & MPI2_DOORBELL_DATA_MASK;
+ reply[i] = le16_to_cpu(
+ ioc->base_readl(&ioc->chip->Doorbell)
+ & MPI2_DOORBELL_DATA_MASK);
writel(0, &ioc->chip->HostInterruptStatus);
}
--
2.30.2