scsi: mpt3sas: Remove volatile qualifier

Remove reduntant volatile qualifier.

Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20230829090020.5417-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: Ranjan Kumar

drivers/scsi/mpt3sas/mpi/mpi2.h

@@ -199,7 +199,7 @@
 *
 *****************************************************************************/
 
-typedef volatile struct _MPI2_SYSTEM_INTERFACE_REGS {
+typedef struct _MPI2_SYSTEM_INTERFACE_REGS {
 	U32 Doorbell;		/*0x00 */
 	U32 WriteSequence;	/*0x04 */
 	U32 HostDiagnostic;	/*0x08 */

drivers/scsi/mpt3sas/mpt3sas_base.c

@@ -139,7 +139,7 @@ static void
 _base_clear_outstanding_commands(struct MPT3SAS_ADAPTER *ioc);
 
 static u32
-_base_readl_ext_retry(const volatile void __iomem *addr);
+_base_readl_ext_retry(const void __iomem *addr);
 
 /**
  * mpt3sas_base_check_cmd_timeout - Function
@@ -204,7 +204,7 @@ module_param_call(mpt3sas_fwfault_debug, _scsih_set_fwfault_debug,
  * while reading the system interface register.
  */
 static inline u32
-_base_readl_aero(const volatile void __iomem *addr)
+_base_readl_aero(const void __iomem *addr)
 {
 	u32 i = 0, ret_val;
 
@@ -217,7 +217,7 @@ _base_readl_aero(const volatile void __iomem *addr)
 }
 
 static u32
-_base_readl_ext_retry(const volatile void __iomem *addr)
+_base_readl_ext_retry(const void __iomem *addr)
 {
 	u32 i, ret_val;
 
@@ -231,7 +231,7 @@ _base_readl_ext_retry(const volatile void __iomem *addr)
 }
 
 static inline u32
-_base_readl(const volatile void __iomem *addr)
+_base_readl(const void __iomem *addr)
 {
 	return readl(addr);
 }

drivers/scsi/mpt3sas/mpt3sas_base.h

@@ -994,7 +994,7 @@ typedef void (*NVME_BUILD_PRP)(struct MPT3SAS_ADAPTER *ioc, u16 smid,
 typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
 	u16 funcdep);
 typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
-typedef u32 (*BASE_READ_REG) (const volatile void __iomem *addr);
+typedef u32 (*BASE_READ_REG) (const void __iomem *addr);
 /*
  * To get high iops reply queue's msix index when high iops mode is enabled
  * else get the msix index of general reply queues.