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misc: genwqe: card_utils: Whole a plethora of documentation issues 

Including; demoting file header from kerneldoc to standard comment/
header, adding a variety of missing function argument documentation,
repairing formatting (kerneldoc does not like blank lines) and the
demotion of a kerneldoc header which shows no interest in providing
documentation for any of its arguments.

Fixes this the following W=1 issues:

 drivers/misc/genwqe/card_utils.c:37: warning: Incorrect use of kernel-doc format:  * __genwqe_writeq() - Write 64-bit register
 drivers/misc/genwqe/card_utils.c:45: warning: Function parameter or member 'cd' not described in '__genwqe_writeq'
 drivers/misc/genwqe/card_utils.c:45: warning: Function parameter or member 'byte_offs' not described in '__genwqe_writeq'
 drivers/misc/genwqe/card_utils.c:45: warning: Function parameter or member 'val' not described in '__genwqe_writeq'
 drivers/misc/genwqe/card_utils.c:136: warning: Function parameter or member 'cd' not described in 'genwqe_read_app_id'
 drivers/misc/genwqe/card_utils.c:136: warning: Function parameter or member 'app_name' not described in 'genwqe_read_app_id'
 drivers/misc/genwqe/card_utils.c:136: warning: Function parameter or member 'len' not described in 'genwqe_read_app_id'
 drivers/misc/genwqe/card_utils.c:186: warning: bad line:
 drivers/misc/genwqe/card_utils.c:290: warning: Function parameter or member 'cd' not described in 'genwqe_alloc_sync_sgl'
 drivers/misc/genwqe/card_utils.c:290: warning: Function parameter or member 'sgl' not described in 'genwqe_alloc_sync_sgl'
 drivers/misc/genwqe/card_utils.c:290: warning: Function parameter or member 'user_addr' not described in 'genwqe_alloc_sync_sgl'
 drivers/misc/genwqe/card_utils.c:290: warning: Function parameter or member 'user_size' not described in 'genwqe_alloc_sync_sgl'
 drivers/misc/genwqe/card_utils.c:290: warning: Function parameter or member 'write' not described in 'genwqe_alloc_sync_sgl'
 drivers/misc/genwqe/card_utils.c:469: warning: Function parameter or member 'cd' not described in 'genwqe_free_sync_sgl'
 drivers/misc/genwqe/card_utils.c:469: warning: Function parameter or member 'sgl' not described in 'genwqe_free_sync_sgl'
 drivers/misc/genwqe/card_utils.c:716: warning: Function parameter or member 'count' not described in 'genwqe_set_interrupt_capability'
 drivers/misc/genwqe/card_utils.c:747: warning: Function parameter or member 'idx' not described in 'set_reg_idx'
 drivers/misc/genwqe/card_utils.c:747: warning: Excess function parameter 'index' description in 'set_reg_idx'
 drivers/misc/genwqe/card_utils.c:823: warning: Function parameter or member 'cd' not described in 'genwqe_ffdc_buff_size'
 drivers/misc/genwqe/card_utils.c:823: warning: Function parameter or member 'uid' not described in 'genwqe_ffdc_buff_size'
 drivers/misc/genwqe/card_utils.c:877: warning: Function parameter or member 'cd' not described in 'genwqe_ffdc_buff_read'
 drivers/misc/genwqe/card_utils.c:877: warning: Function parameter or member 'uid' not described in 'genwqe_ffdc_buff_read'
 drivers/misc/genwqe/card_utils.c:877: warning: Function parameter or member 'regs' not described in 'genwqe_ffdc_buff_read'
 drivers/misc/genwqe/card_utils.c:877: warning: Function parameter or member 'max_regs' not described in 'genwqe_ffdc_buff_read'
 drivers/misc/genwqe/card_utils.c:964: warning: Function parameter or member 'cd' not described in 'genwqe_write_vreg'
 drivers/misc/genwqe/card_utils.c:964: warning: Function parameter or member 'reg' not described in 'genwqe_write_vreg'
 drivers/misc/genwqe/card_utils.c:964: warning: Function parameter or member 'val' not described in 'genwqe_write_vreg'
 drivers/misc/genwqe/card_utils.c:964: warning: Function parameter or member 'func' not described in 'genwqe_write_vreg'
 drivers/misc/genwqe/card_utils.c:977: warning: Function parameter or member 'cd' not described in 'genwqe_read_vreg'
 drivers/misc/genwqe/card_utils.c:977: warning: Function parameter or member 'reg' not described in 'genwqe_read_vreg'
 drivers/misc/genwqe/card_utils.c:977: warning: Function parameter or member 'func' not described in 'genwqe_read_vreg'
 drivers/misc/genwqe/card_utils.c:995: warning: Function parameter or member 'cd' not described in 'genwqe_base_clock_frequency'
 drivers/misc/genwqe/card_utils.c:1012: warning: Function parameter or member 'cd' not described in 'genwqe_stop_traps'
 drivers/misc/genwqe/card_utils.c:1022: warning: Function parameter or member 'cd' not described in 'genwqe_start_traps'

Cc: Michael Jung <mijung@gmx.net>
Cc: Michael Ruettger <michael@ibmra.de>
Cc: Frank Haverkamp <haver@linux.ibm.com>
Cc: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Frank Haverkamp <haver@linux.ibm.com>
 # Please enter the commit message for your changes. Lines starting
 # with '#' will be ignored, and an empty message aborts the commit.
 #
 # Date:      Mon Jun 29 10:30:56 2020 +0100
 #
 # On branch tb-mfd-fix-warnings
 # Changes to be committed:
 #	modified:   drivers/misc/genwqe/card_utils.c
 #
 # Untracked files:
 #	qemu-i2c-devs.txt
 #
Link: https://lore.kernel.org/r/20200701085853.164358-21-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lee Jones 2020-07-01 09:58:53 +01:00 коммит произвёл Greg Kroah-Hartman
Родитель 807062fc8b
Коммит 364b40c05d
1 изменённых файлов: 26 добавлений и 4 удалений
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30
drivers/misc/genwqe/card_utils.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/**
/*
* IBM Accelerator Family 'GenWQE'
*
* (C) Copyright IBM Corp. 2013
@ -129,6 +129,9 @@ u32 __genwqe_readl(struct genwqe_dev *cd, u64 byte_offs)
/**
* genwqe_read_app_id() - Extract app_id
* @cd: genwqe device descriptor
* @app_name: carrier used to pass-back name
* @len: length of data for name
*
* app_unitcfg need to be filled with valid data first
*/
@ -183,7 +186,7 @@ void genwqe_init_crc32(void)
* @init: initial crc (0xffffffff at start)
*
* polynomial = x^32 * + x^29 + x^18 + x^14 + x^3 + 1 (0x20044009)
*
* Example: 4 bytes 0x01 0x02 0x03 0x04 with init=0xffffffff should
* result in a crc32 of 0xf33cb7d3.
*
@ -277,7 +280,7 @@ static int genwqe_sgl_size(int num_pages)
return roundup(len, PAGE_SIZE);
}
/**
/*
* genwqe_alloc_sync_sgl() - Allocate memory for sgl and overlapping pages
*
* Allocates memory for sgl and overlapping pages. Pages which might
@ -460,6 +463,8 @@ int genwqe_setup_sgl(struct genwqe_dev *cd, struct genwqe_sgl *sgl,
/**
* genwqe_free_sync_sgl() - Free memory for sgl and overlapping pages
* @cd: genwqe device descriptor
* @sgl: scatter gather list describing user-space memory
*
* After the DMA transfer has been completed we free the memory for
* the sgl and the cached pages. Data is being transferred from cached
@ -710,6 +715,7 @@ int genwqe_read_softreset(struct genwqe_dev *cd)
/**
* genwqe_set_interrupt_capability() - Configure MSI capability structure
* @cd: pointer to the device
* @count: number of vectors to allocate
* Return: 0 if no error
*/
int genwqe_set_interrupt_capability(struct genwqe_dev *cd, int count)
@ -738,7 +744,7 @@ void genwqe_reset_interrupt_capability(struct genwqe_dev *cd)
* @i: index to desired entry
* @m: maximum possible entries
* @addr: addr which is read
* @index: index in debug array
* @idx: index in debug array
* @val: read value
*/
static int set_reg_idx(struct genwqe_dev *cd, struct genwqe_reg *r,
@ -818,6 +824,8 @@ int genwqe_read_ffdc_regs(struct genwqe_dev *cd, struct genwqe_reg *regs,
/**
* genwqe_ffdc_buff_size() - Calculates the number of dump registers
* @cd: genwqe device descriptor
* @uid: unit ID
*/
int genwqe_ffdc_buff_size(struct genwqe_dev *cd, int uid)
{
@ -871,6 +879,10 @@ int genwqe_ffdc_buff_size(struct genwqe_dev *cd, int uid)
/**
* genwqe_ffdc_buff_read() - Implements LogoutExtendedErrorRegisters procedure
* @cd: genwqe device descriptor
* @uid: unit ID
* @regs: register information
* @max_regs: number of register entries
*/
int genwqe_ffdc_buff_read(struct genwqe_dev *cd, int uid,
struct genwqe_reg *regs, unsigned int max_regs)
@ -956,6 +968,10 @@ int genwqe_ffdc_buff_read(struct genwqe_dev *cd, int uid,
/**
* genwqe_write_vreg() - Write register in virtual window
* @cd: genwqe device descriptor
* @reg: register (byte) offset within BAR
* @val: value to write
* @func: PCI virtual function
*
* Note, these registers are only accessible to the PF through the
* VF-window. It is not intended for the VF to access.
@ -969,6 +985,9 @@ int genwqe_write_vreg(struct genwqe_dev *cd, u32 reg, u64 val, int func)
/**
* genwqe_read_vreg() - Read register in virtual window
* @cd: genwqe device descriptor
* @reg: register (byte) offset within BAR
* @func: PCI virtual function
*
* Note, these registers are only accessible to the PF through the
* VF-window. It is not intended for the VF to access.
@ -981,6 +1000,7 @@ u64 genwqe_read_vreg(struct genwqe_dev *cd, u32 reg, int func)
/**
* genwqe_base_clock_frequency() - Deteremine base clock frequency of the card
* @cd: genwqe device descriptor
*
* Note: From a design perspective it turned out to be a bad idea to
* use codes here to specifiy the frequency/speed values. An old
@ -1005,6 +1025,7 @@ int genwqe_base_clock_frequency(struct genwqe_dev *cd)
/**
* genwqe_stop_traps() - Stop traps
* @cd: genwqe device descriptor
*
* Before reading out the analysis data, we need to stop the traps.
*/
@ -1015,6 +1036,7 @@ void genwqe_stop_traps(struct genwqe_dev *cd)
/**
* genwqe_start_traps() - Start traps
* @cd: genwqe device descriptor
*
* After having read the data, we can/must enable the traps again.
*/