[PATCH 04/10] scsi: megaraid: megaraid_sas_fusion: Fix-up a whole myriad of kerneldoc misdemeanours

From: Lee Jones
Date: Tue Jul 07 2020 - 10:01:29 EST


Fixes the following W=1 kernel build warning(s):

drivers/scsi/megaraid/megaraid_sas_fusion.c:106: warning: Function parameter or member 'instance' not described in 'megasas_adp_reset_wait_for_ready'
drivers/scsi/megaraid/megaraid_sas_fusion.c:106: warning: Function parameter or member 'do_adp_reset' not described in 'megasas_adp_reset_wait_for_ready'
drivers/scsi/megaraid/megaraid_sas_fusion.c:106: warning: Function parameter or member 'ocr_context' not described in 'megasas_adp_reset_wait_for_ready'
drivers/scsi/megaraid/megaraid_sas_fusion.c:159: warning: Function parameter or member 'instance' not described in 'megasas_check_same_4gb_region'
drivers/scsi/megaraid/megaraid_sas_fusion.c:159: warning: Function parameter or member 'start_addr' not described in 'megasas_check_same_4gb_region'
drivers/scsi/megaraid/megaraid_sas_fusion.c:159: warning: Function parameter or member 'size' not described in 'megasas_check_same_4gb_region'
drivers/scsi/megaraid/megaraid_sas_fusion.c:181: warning: Function parameter or member 'instance' not described in 'megasas_enable_intr_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:181: warning: Excess function parameter 'regs' description in 'megasas_enable_intr_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:203: warning: Function parameter or member 'instance' not described in 'megasas_disable_intr_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:203: warning: Excess function parameter 'regs' description in 'megasas_disable_intr_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:246: warning: Function parameter or member 'blk_tag' not described in 'megasas_get_cmd_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:323: warning: Function parameter or member 'fw_boot_context' not described in 'megasas_fusion_update_can_queue'
drivers/scsi/megaraid/megaraid_sas_fusion.c:1025: warning: Function parameter or member 'seconds' not described in 'wait_and_poll'
drivers/scsi/megaraid/megaraid_sas_fusion.c:1912: warning: Function parameter or member 'work' not described in 'megasas_fault_detect_work'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2001: warning: Function parameter or member 'fusion' not described in 'map_cmd_status'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2001: warning: Function parameter or member 'scmd' not described in 'map_cmd_status'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2001: warning: Function parameter or member 'data_length' not described in 'map_cmd_status'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2001: warning: Function parameter or member 'sense' not described in 'map_cmd_status'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2001: warning: Excess function parameter 'cmd' description in 'map_cmd_status'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2245: warning: Function parameter or member 'sge_count' not described in 'megasas_make_sgl_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2356: warning: Function parameter or member 'io_request' not described in 'megasas_set_pd_lba'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2356: warning: Function parameter or member 'io_info' not described in 'megasas_set_pd_lba'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2356: warning: Function parameter or member 'scp' not described in 'megasas_set_pd_lba'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2356: warning: Function parameter or member 'local_map_ptr' not described in 'megasas_set_pd_lba'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2356: warning: Function parameter or member 'ref_tag' not described in 'megasas_set_pd_lba'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2356: warning: Excess function parameter 'cdb' description in 'megasas_set_pd_lba'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2356: warning: Excess function parameter 'start_blk' description in 'megasas_set_pd_lba'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2617: warning: Function parameter or member 'fusion' not described in 'megasas_set_raidflag_cpu_affinity'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2617: warning: Function parameter or member 'scsi_buff_len' not described in 'megasas_set_raidflag_cpu_affinity'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2950: warning: Function parameter or member 'scmd' not described in 'megasas_build_ld_nonrw_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:2950: warning: Excess function parameter 'scp' description in 'megasas_build_ld_nonrw_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3041: warning: Function parameter or member 'scmd' not described in 'megasas_build_syspd_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3041: warning: Excess function parameter 'scp' description in 'megasas_build_syspd_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3414: warning: Function parameter or member 'cmd' not described in 'megasas_complete_r1_command'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3414: warning: Excess function parameter 'cmd_fusion' description in 'megasas_complete_r1_command'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3467: warning: Function parameter or member 'MSIxIndex' not described in 'complete_cmd_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3467: warning: Function parameter or member 'irq_context' not described in 'complete_cmd_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3639: warning: Function parameter or member 'instance' not described in 'megasas_enable_irq_poll'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3656: warning: Function parameter or member 'instance_addr' not described in 'megasas_sync_irqs'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3656: warning: Excess function parameter 'instance' description in 'megasas_sync_irqs'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3715: warning: Function parameter or member 'instance_addr' not described in 'megasas_complete_cmd_dpc_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3715: warning: Excess function parameter 'instance' description in 'megasas_complete_cmd_dpc_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3734: warning: Function parameter or member 'irq' not described in 'megasas_isr_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3734: warning: Function parameter or member 'devp' not described in 'megasas_isr_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3772: warning: Function parameter or member 'mfi_cmd' not described in 'build_mpt_mfi_pass_thru'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3887: warning: Function parameter or member 'instance' not described in 'megasas_read_fw_status_reg_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3887: warning: Excess function parameter 'regs' description in 'megasas_read_fw_status_reg_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:3937: warning: Function parameter or member 'instance' not described in 'megasas_adp_reset_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:4014: warning: Function parameter or member 'instance' not described in 'megasas_check_reset_fusion'
drivers/scsi/megaraid/megaraid_sas_fusion.c:4346: warning: Function parameter or member 'instance' not described in 'megasas_tm_response_code'
drivers/scsi/megaraid/megaraid_sas_fusion.c:4346: warning: Excess function parameter 'ioc' description in 'megasas_tm_response_code'
drivers/scsi/megaraid/megaraid_sas_fusion.c:4408: warning: Function parameter or member 'mr_device_priv_data' not described in 'megasas_issue_tm'
drivers/scsi/megaraid/megaraid_sas_fusion.c:4408: warning: Excess function parameter 'm_type' description in 'megasas_issue_tm'

Cc: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
Cc: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
Cc: Shivasharan S <shivasharan.srikanteshwara@xxxxxxxxxxxx>
Cc: megaraidlinux.pdl@xxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/scsi/megaraid/megaraid_sas_fusion.c | 73 ++++++++++++---------
1 file changed, 41 insertions(+), 32 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 319f241da4b66..a0cf55776361c 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -90,9 +90,9 @@ extern u32 megasas_readl(struct megasas_instance *instance,
/**
* megasas_adp_reset_wait_for_ready - initiate chip reset and wait for
* controller to come to ready state
- * @instance - adapter's soft state
- * @do_adp_reset - If true, do a chip reset
- * @ocr_context - If called from OCR context this will
+ * @instance: adapter's soft state
+ * @do_adp_reset: If true, do a chip reset
+ * @ocr_context: If called from OCR context this will
* be set to 1, else 0
*
* This function initates a chip reset followed by a wait for controller to
@@ -146,10 +146,10 @@ megasas_adp_reset_wait_for_ready(struct megasas_instance *instance,
/**
* megasas_check_same_4gb_region - check if allocation
* crosses same 4GB boundary or not
- * @instance - adapter's soft instance
- * start_addr - start address of DMA allocation
- * size - size of allocation in bytes
- * return - true : allocation does not cross same
+ * @instance: adapter's soft instance
+ * @start_addr: start address of DMA allocation
+ * @size: size of allocation in bytes
+ * @return: true : allocation does not cross same
* 4GB boundary
* false: allocation crosses same
* 4GB boundary
@@ -174,7 +174,7 @@ static inline bool megasas_check_same_4gb_region

/**
* megasas_enable_intr_fusion - Enables interrupts
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static void
megasas_enable_intr_fusion(struct megasas_instance *instance)
@@ -196,7 +196,7 @@ megasas_enable_intr_fusion(struct megasas_instance *instance)

/**
* megasas_disable_intr_fusion - Disables interrupt
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static void
megasas_disable_intr_fusion(struct megasas_instance *instance)
@@ -238,6 +238,7 @@ megasas_clear_intr_fusion(struct megasas_instance *instance)
/**
* megasas_get_cmd_fusion - Get a command from the free pool
* @instance: Adapter soft state
+ * @blk_tag: Index into the command list
*
* Returns a blk_tag indexed mpt frame
*/
@@ -310,7 +311,7 @@ megasas_fire_cmd_fusion(struct megasas_instance *instance,
/**
* megasas_fusion_update_can_queue - Do all Adapter Queue depth related calculations here
* @instance: Adapter soft state
- * fw_boot_context: Whether this function called during probe or after OCR
+ * @fw_boot_context: Whether this function called during probe or after OCR
*
* This function is only for fusion controllers.
* Update host can queue, if firmware downgrade max supported firmware commands.
@@ -1016,6 +1017,7 @@ megasas_alloc_cmds_fusion(struct megasas_instance *instance)
* wait_and_poll - Issues a polling command
* @instance: Adapter soft state
* @cmd: Command packet to be issued
+ * @seconds: Total seconds to wait
*
* For polling, MFI requires the cmd_status to be set to 0xFF before posting.
*/
@@ -1906,6 +1908,7 @@ megasas_init_adapter_fusion(struct megasas_instance *instance)
/**
* megasas_fault_detect_work - Worker function of
* FW fault handling workqueue.
+ * @work: Pointer to work information
*/
static void
megasas_fault_detect_work(struct work_struct *work)
@@ -1989,9 +1992,12 @@ megasas_fusion_stop_watchdog(struct megasas_instance *instance)

/**
* map_cmd_status - Maps FW cmd status to OS cmd status
- * @cmd : Pointer to cmd
+ * @fusion : Pointer to driver data
+ * @scmd : Pointer to SCSI cmd
* @status : status of cmd returned by FW
* @ext_status : ext status of cmd returned by FW
+ * @data_length : size of reqeusted data
+ * @sense : sense data
*/

static void
@@ -2234,8 +2240,7 @@ megasas_make_prp_nvme(struct megasas_instance *instance, struct scsi_cmnd *scmd,
* @scp: SCSI command from the mid-layer
* @sgl_ptr: SGL to be filled in
* @cmd: cmd we are working on
- * @sge_count sge count
- *
+ * @sge_count: sge count
*/
static void
megasas_make_sgl_fusion(struct megasas_instance *instance,
@@ -2341,11 +2346,9 @@ int megasas_make_sgl(struct megasas_instance *instance, struct scsi_cmnd *scp,
return sge_count;
}

-/**
+/*
* megasas_set_pd_lba - Sets PD LBA
- * @cdb: CDB
* @cdb_len: cdb length
- * @start_blk: Start block of IO
*
* Used to set the PD LBA in CDB for FP IOs
*/
@@ -2603,11 +2606,12 @@ static void megasas_stream_detect(struct megasas_instance *instance,
* affinity (cpu of the controller) and raid_flags in the raid context
* based on IO type.
*
+ * @fusion : Pointer to driver data
* @praid_context: IO RAID context
* @raid: LD raid map
* @fp_possible: Is fast path possible?
* @is_read: Is read IO?
- *
+ * @scsi_buff_len: SCSI buffer length
*/
static void
megasas_set_raidflag_cpu_affinity(struct fusion_context *fusion,
@@ -2940,7 +2944,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
/**
* megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk
* @instance: Adapter soft state
- * @scp: SCSI command
+ * @scmd: SCSI command
* @cmd: Command to be prepared
*
* Prepares the io_request frame for non-rw io cmds for vd.
@@ -3028,7 +3032,7 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
/**
* megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd
* @instance: Adapter soft state
- * @scp: SCSI command
+ * @scmd: SCSI command
* @cmd: Command to be prepared
* @fp_possible: parameter to detect fast path or firmware path io.
*
@@ -3405,7 +3409,7 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance,
* megasas_complete_r1_command -
* completes R1 FP write commands which has valid peer smid
* @instance: Adapter soft state
- * @cmd_fusion: MPT command frame
+ * @cmd: MPT command frame
*
*/
static inline void
@@ -3456,7 +3460,7 @@ megasas_complete_r1_command(struct megasas_instance *instance,
}
}

-/**
+/*
* complete_cmd_fusion - Completes command
* @instance: Adapter soft state
* Completes all commands that is in reply descriptor queue
@@ -3634,6 +3638,7 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex,

/**
* megasas_enable_irq_poll() - enable irqpoll
+ * @instance: Adapter soft state
*/
static void megasas_enable_irq_poll(struct megasas_instance *instance)
{
@@ -3650,7 +3655,7 @@ static void megasas_enable_irq_poll(struct megasas_instance *instance)

/**
* megasas_sync_irqs - Synchronizes all IRQs owned by adapter
- * @instance: Adapter soft state
+ * @instance_addr: Adapter soft state
*/
static void megasas_sync_irqs(unsigned long instance_addr)
{
@@ -3706,7 +3711,7 @@ int megasas_irqpoll(struct irq_poll *irqpoll, int budget)

/**
* megasas_complete_cmd_dpc_fusion - Completes command
- * @instance: Adapter soft state
+ * @instance_addr: Adapter soft state
*
* Tasklet to complete cmds
*/
@@ -3729,6 +3734,8 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)

/**
* megasas_isr_fusion - isr entry point
+ * @irq: Interrupt number
+ * @devp: Interrupt contect
*/
static irqreturn_t megasas_isr_fusion(int irq, void *devp)
{
@@ -3763,7 +3770,7 @@ static irqreturn_t megasas_isr_fusion(int irq, void *devp)
/**
* build_mpt_mfi_pass_thru - builds a cmd fo MFI Pass thru
* @instance: Adapter soft state
- * mfi_cmd: megasas_cmd pointer
+ * @mfi_cmd: megasas_cmd pointer
*
*/
static void
@@ -3880,7 +3887,7 @@ megasas_release_fusion(struct megasas_instance *instance)

/**
* megasas_read_fw_status_reg_fusion - returns the current FW status value
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static u32
megasas_read_fw_status_reg_fusion(struct megasas_instance *instance)
@@ -3929,7 +3936,8 @@ megasas_free_host_crash_buffer(struct megasas_instance *instance)

/**
* megasas_adp_reset_fusion - For controller reset
- * @regs: MFI register set
+ * @instance: Adapter soft state
+ * @regs: MFI register set
*/
static int
megasas_adp_reset_fusion(struct megasas_instance *instance,
@@ -4006,7 +4014,8 @@ megasas_adp_reset_fusion(struct megasas_instance *instance,

/**
* megasas_check_reset_fusion - For controller reset check
- * @regs: MFI register set
+ * @instance: Adapter soft state
+ * @regs: MFI register set
*/
static int
megasas_check_reset_fusion(struct megasas_instance *instance,
@@ -4168,7 +4177,7 @@ void megasas_reset_reply_desc(struct megasas_instance *instance)
}
}

-/*
+/**
* megasas_refire_mgmt_cmd : Re-fire management commands
* @instance: Controller's soft instance
*/
@@ -4267,7 +4276,7 @@ static void megasas_refire_mgmt_cmd(struct megasas_instance *instance,
}
}

-/*
+/**
* megasas_return_polled_cmds: Return polled mode commands back to the pool
* before initiating an OCR.
* @instance: Controller's soft instance
@@ -4298,7 +4307,7 @@ megasas_return_polled_cmds(struct megasas_instance *instance)
}
}

-/*
+/**
* megasas_track_scsiio : Track SCSI IOs outstanding to a SCSI device
* @instance: per adapter struct
* @channel: the channel assigned by the OS
@@ -4335,7 +4344,7 @@ static int megasas_track_scsiio(struct megasas_instance *instance,

/**
* megasas_tm_response_code - translation of device response code
- * @ioc: per adapter object
+ * @instance: Controller's soft instance
* @mpi_reply: MPI reply returned by firmware
*
* Return nothing.
@@ -4393,7 +4402,7 @@ megasas_tm_response_code(struct megasas_instance *instance,
* @id: the id assigned by the OS
* @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c)
* @smid_task: smid assigned to the task
- * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
+ * @mr_device_priv_data: Private device data
* Context: user
*
* MegaRaid use MPT interface for Task Magement request.
--
2.25.1