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scsi: mpi3mr: Drop unnecessary volatile from __iomem pointers

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[ Upstream commit 6853885b21cb1d7157cc14c9d30cc17141565bae ]

The volatile qualifier is redundant for __iomem pointers.

Cleaned up usage in mpi3mr_writeq() and sysif_regs pointer as per
Upstream compliance.

Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250627194539.48851-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Stable-dep-of: c91e140c82eb ("scsi: mpi3mr: Serialize admin queue BAR writes on 32-bit systems")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ranjan Kumar
2025-08-22 10:59:41 -04:00
committed by Greg Kroah-Hartman
parent 6d53b2a134
commit c065c8d20d
2 changed files with 3 additions and 3 deletions
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2
drivers/scsi/mpi3mr/mpi3mr.h
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@@ -1055,7 +1055,7 @@ struct mpi3mr_ioc {
char name[MPI3MR_NAME_LENGTH];
char driver_name[MPI3MR_NAME_LENGTH];
volatile struct mpi3_sysif_registers __iomem *sysif_regs;
struct mpi3_sysif_registers __iomem *sysif_regs;
resource_size_t sysif_regs_phys;
int bars;
u64 dma_mask;

4
drivers/scsi/mpi3mr/mpi3mr_fw.c
View File

@@ -23,12 +23,12 @@ module_param(poll_queues, int, 0444);
MODULE_PARM_DESC(poll_queues, "Number of queues for io_uring poll mode. (Range 1 - 126)");
#if defined(writeq) && defined(CONFIG_64BIT)
static inline void mpi3mr_writeq(__u64 b, volatile void __iomem *addr)
static inline void mpi3mr_writeq(__u64 b, void __iomem *addr)
{
writeq(b, addr);
}
#else
static inline void mpi3mr_writeq(__u64 b, volatile void __iomem *addr)
static inline void mpi3mr_writeq(__u64 b, void __iomem *addr)
{
__u64 data_out = b;