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linux_dsm_epyc7002/drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c
Greg Kroah-Hartman d0dd61a277 media: c8sectpfe: no need to check return value of debugfs_create functions 
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-media@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20191107085238.GA1285658@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-09 11:50:54 +01:00

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// SPDX-License-Identifier: GPL-2.0
/*
* c8sectpfe-debugfs.c - C8SECTPFE STi DVB driver
*
* Copyright (c) STMicroelectronics 2015
*
* Author: Peter Griffin <peter.griffin@linaro.org>
*
*/
#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/types.h>
#include "c8sectpfe-debugfs.h"
#define dump_register(nm ...) \
{ \
.name = #nm, \
.offset = nm, \
}
static const struct debugfs_reg32 fei_sys_regs[] = {
dump_register(SYS_INPUT_ERR_STATUS),
dump_register(SYS_OTHER_ERR_STATUS),
dump_register(SYS_INPUT_ERR_MASK),
dump_register(SYS_DMA_ROUTE),
dump_register(SYS_INPUT_CLKEN),
dump_register(IBENABLE_MASK),
dump_register(SYS_OTHER_CLKEN),
dump_register(SYS_CFG_NUM_IB),
dump_register(SYS_CFG_NUM_MIB),
dump_register(SYS_CFG_NUM_SWTS),
dump_register(SYS_CFG_NUM_TSOUT),
dump_register(SYS_CFG_NUM_CCSC),
dump_register(SYS_CFG_NUM_RAM),
dump_register(SYS_CFG_NUM_TP),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(0)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(0)),
dump_register(C8SECTPFE_IB_PID_SET(0)),
dump_register(C8SECTPFE_IB_PKT_LEN(0)),
dump_register(C8SECTPFE_IB_BUFF_STRT(0)),
dump_register(C8SECTPFE_IB_BUFF_END(0)),
dump_register(C8SECTPFE_IB_READ_PNT(0)),
dump_register(C8SECTPFE_IB_WRT_PNT(0)),
dump_register(C8SECTPFE_IB_PRI_THRLD(0)),
dump_register(C8SECTPFE_IB_STAT(0)),
dump_register(C8SECTPFE_IB_MASK(0)),
dump_register(C8SECTPFE_IB_SYS(0)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(1)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(1)),
dump_register(C8SECTPFE_IB_PID_SET(1)),
dump_register(C8SECTPFE_IB_PKT_LEN(1)),
dump_register(C8SECTPFE_IB_BUFF_STRT(1)),
dump_register(C8SECTPFE_IB_BUFF_END(1)),
dump_register(C8SECTPFE_IB_READ_PNT(1)),
dump_register(C8SECTPFE_IB_WRT_PNT(1)),
dump_register(C8SECTPFE_IB_PRI_THRLD(1)),
dump_register(C8SECTPFE_IB_STAT(1)),
dump_register(C8SECTPFE_IB_MASK(1)),
dump_register(C8SECTPFE_IB_SYS(1)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(2)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(2)),
dump_register(C8SECTPFE_IB_PID_SET(2)),
dump_register(C8SECTPFE_IB_PKT_LEN(2)),
dump_register(C8SECTPFE_IB_BUFF_STRT(2)),
dump_register(C8SECTPFE_IB_BUFF_END(2)),
dump_register(C8SECTPFE_IB_READ_PNT(2)),
dump_register(C8SECTPFE_IB_WRT_PNT(2)),
dump_register(C8SECTPFE_IB_PRI_THRLD(2)),
dump_register(C8SECTPFE_IB_STAT(2)),
dump_register(C8SECTPFE_IB_MASK(2)),
dump_register(C8SECTPFE_IB_SYS(2)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(3)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(3)),
dump_register(C8SECTPFE_IB_PID_SET(3)),
dump_register(C8SECTPFE_IB_PKT_LEN(3)),
dump_register(C8SECTPFE_IB_BUFF_STRT(3)),
dump_register(C8SECTPFE_IB_BUFF_END(3)),
dump_register(C8SECTPFE_IB_READ_PNT(3)),
dump_register(C8SECTPFE_IB_WRT_PNT(3)),
dump_register(C8SECTPFE_IB_PRI_THRLD(3)),
dump_register(C8SECTPFE_IB_STAT(3)),
dump_register(C8SECTPFE_IB_MASK(3)),
dump_register(C8SECTPFE_IB_SYS(3)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(4)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(4)),
dump_register(C8SECTPFE_IB_PID_SET(4)),
dump_register(C8SECTPFE_IB_PKT_LEN(4)),
dump_register(C8SECTPFE_IB_BUFF_STRT(4)),
dump_register(C8SECTPFE_IB_BUFF_END(4)),
dump_register(C8SECTPFE_IB_READ_PNT(4)),
dump_register(C8SECTPFE_IB_WRT_PNT(4)),
dump_register(C8SECTPFE_IB_PRI_THRLD(4)),
dump_register(C8SECTPFE_IB_STAT(4)),
dump_register(C8SECTPFE_IB_MASK(4)),
dump_register(C8SECTPFE_IB_SYS(4)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(5)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(5)),
dump_register(C8SECTPFE_IB_PID_SET(5)),
dump_register(C8SECTPFE_IB_PKT_LEN(5)),
dump_register(C8SECTPFE_IB_BUFF_STRT(5)),
dump_register(C8SECTPFE_IB_BUFF_END(5)),
dump_register(C8SECTPFE_IB_READ_PNT(5)),
dump_register(C8SECTPFE_IB_WRT_PNT(5)),
dump_register(C8SECTPFE_IB_PRI_THRLD(5)),
dump_register(C8SECTPFE_IB_STAT(5)),
dump_register(C8SECTPFE_IB_MASK(5)),
dump_register(C8SECTPFE_IB_SYS(5)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(6)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(6)),
dump_register(C8SECTPFE_IB_PID_SET(6)),
dump_register(C8SECTPFE_IB_PKT_LEN(6)),
dump_register(C8SECTPFE_IB_BUFF_STRT(6)),
dump_register(C8SECTPFE_IB_BUFF_END(6)),
dump_register(C8SECTPFE_IB_READ_PNT(6)),
dump_register(C8SECTPFE_IB_WRT_PNT(6)),
dump_register(C8SECTPFE_IB_PRI_THRLD(6)),
dump_register(C8SECTPFE_IB_STAT(6)),
dump_register(C8SECTPFE_IB_MASK(6)),
dump_register(C8SECTPFE_IB_SYS(6)),
dump_register(DMA_CPU_ID),
dump_register(DMA_CPU_VCR),
dump_register(DMA_CPU_RUN),
dump_register(DMA_CPU_PC),
dump_register(DMA_PER_TPn_DREQ_MASK),
dump_register(DMA_PER_TPn_DACK_SET),
dump_register(DMA_PER_TPn_DREQ),
dump_register(DMA_PER_TPn_DACK),
dump_register(DMA_PER_DREQ_MODE),
dump_register(DMA_PER_STBUS_SYNC),
dump_register(DMA_PER_STBUS_ACCESS),
dump_register(DMA_PER_STBUS_ADDRESS),
dump_register(DMA_PER_IDLE_INT),
dump_register(DMA_PER_PRIORITY),
dump_register(DMA_PER_MAX_OPCODE),
dump_register(DMA_PER_MAX_CHUNK),
dump_register(DMA_PER_PAGE_SIZE),
dump_register(DMA_PER_MBOX_STATUS),
dump_register(DMA_PER_MBOX_SET),
dump_register(DMA_PER_MBOX_CLEAR),
dump_register(DMA_PER_MBOX_MASK),
dump_register(DMA_PER_INJECT_PKT_SRC),
dump_register(DMA_PER_INJECT_PKT_DEST),
dump_register(DMA_PER_INJECT_PKT_ADDR),
dump_register(DMA_PER_INJECT_PKT),
dump_register(DMA_PER_PAT_PTR_INIT),
dump_register(DMA_PER_PAT_PTR),
dump_register(DMA_PER_SLEEP_MASK),
dump_register(DMA_PER_SLEEP_COUNTER),
dump_register(DMA_FIRMWARE_VERSION),
dump_register(DMA_PTRREC_BASE),
dump_register(DMA_PTRREC_INPUT_OFFSET),
dump_register(DMA_ERRREC_BASE),
dump_register(DMA_ERROR_RECORD(0)),
dump_register(DMA_ERROR_RECORD(1)),
dump_register(DMA_ERROR_RECORD(2)),
dump_register(DMA_ERROR_RECORD(3)),
dump_register(DMA_ERROR_RECORD(4)),
dump_register(DMA_ERROR_RECORD(5)),
dump_register(DMA_ERROR_RECORD(6)),
dump_register(DMA_ERROR_RECORD(7)),
dump_register(DMA_ERROR_RECORD(8)),
dump_register(DMA_ERROR_RECORD(9)),
dump_register(DMA_ERROR_RECORD(10)),
dump_register(DMA_ERROR_RECORD(11)),
dump_register(DMA_ERROR_RECORD(12)),
dump_register(DMA_ERROR_RECORD(13)),
dump_register(DMA_ERROR_RECORD(14)),
dump_register(DMA_ERROR_RECORD(15)),
dump_register(DMA_ERROR_RECORD(16)),
dump_register(DMA_ERROR_RECORD(17)),
dump_register(DMA_ERROR_RECORD(18)),
dump_register(DMA_ERROR_RECORD(19)),
dump_register(DMA_ERROR_RECORD(20)),
dump_register(DMA_ERROR_RECORD(21)),
dump_register(DMA_ERROR_RECORD(22)),
dump_register(DMA_IDLE_REQ),
dump_register(DMA_FIRMWARE_CONFIG),
dump_register(PIDF_BASE(0)),
dump_register(PIDF_BASE(1)),
dump_register(PIDF_BASE(2)),
dump_register(PIDF_BASE(3)),
dump_register(PIDF_BASE(4)),
dump_register(PIDF_BASE(5)),
dump_register(PIDF_BASE(6)),
dump_register(PIDF_BASE(7)),
dump_register(PIDF_BASE(8)),
dump_register(PIDF_BASE(9)),
dump_register(PIDF_BASE(10)),
dump_register(PIDF_BASE(11)),
dump_register(PIDF_BASE(12)),
dump_register(PIDF_BASE(13)),
dump_register(PIDF_BASE(14)),
dump_register(PIDF_BASE(15)),
dump_register(PIDF_BASE(16)),
dump_register(PIDF_BASE(17)),
dump_register(PIDF_BASE(18)),
dump_register(PIDF_BASE(19)),
dump_register(PIDF_BASE(20)),
dump_register(PIDF_BASE(21)),
dump_register(PIDF_BASE(22)),
dump_register(PIDF_LEAK_ENABLE),
dump_register(PIDF_LEAK_STATUS),
dump_register(PIDF_LEAK_COUNT_RESET),
dump_register(PIDF_LEAK_COUNTER),
};
void c8sectpfe_debugfs_init(struct c8sectpfei *fei)
{
fei->regset = devm_kzalloc(fei->dev, sizeof(*fei->regset), GFP_KERNEL);
if (!fei->regset)
return;
fei->regset->regs = fei_sys_regs;
fei->regset->nregs = ARRAY_SIZE(fei_sys_regs);
fei->regset->base = fei->io;
fei->root = debugfs_create_dir("c8sectpfe", NULL);
debugfs_create_regset32("registers", S_IRUGO, fei->root, fei->regset);
}
void c8sectpfe_debugfs_exit(struct c8sectpfei *fei)
{
debugfs_remove_recursive(fei->root);
fei->root = NULL;
}
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