f632a8170a
Pull driver core and debugfs updates from Greg KH:
"Here is the "big" driver core and debugfs changes for 5.3-rc1
It's a lot of different patches, all across the tree due to some api
changes and lots of debugfs cleanups.
Other than the debugfs cleanups, in this set of changes we have:
- bus iteration function cleanups
- scripts/get_abi.pl tool to display and parse Documentation/ABI
entries in a simple way
- cleanups to Documenatation/ABI/ entries to make them parse easier
due to typos and other minor things
- default_attrs use for some ktype users
- driver model documentation file conversions to .rst
- compressed firmware file loading
- deferred probe fixes
All of these have been in linux-next for a while, with a bunch of
merge issues that Stephen has been patient with me for"
* tag 'driver-core-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (102 commits)
debugfs: make error message a bit more verbose
orangefs: fix build warning from debugfs cleanup patch
ubifs: fix build warning after debugfs cleanup patch
driver: core: Allow subsystems to continue deferring probe
drivers: base: cacheinfo: Ensure cpu hotplug work is done before Intel RDT
arch_topology: Remove error messages on out-of-memory conditions
lib: notifier-error-inject: no need to check return value of debugfs_create functions
swiotlb: no need to check return value of debugfs_create functions
ceph: no need to check return value of debugfs_create functions
sunrpc: no need to check return value of debugfs_create functions
ubifs: no need to check return value of debugfs_create functions
orangefs: no need to check return value of debugfs_create functions
nfsd: no need to check return value of debugfs_create functions
lib: 842: no need to check return value of debugfs_create functions
debugfs: provide pr_fmt() macro
debugfs: log errors when something goes wrong
drivers: s390/cio: Fix compilation warning about const qualifiers
drivers: Add generic helper to match by of_node
driver_find_device: Unify the match function with class_find_device()
bus_find_device: Unify the match callback with class_find_device
...
89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Intel MIC Platform Software Stack (MPSS)
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*
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* Copyright(c) 2013 Intel Corporation.
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*
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* Disclaimer: The codes contained in these modules may be specific to
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* the Intel Software Development Platform codenamed: Knights Ferry, and
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* the Intel product codenamed: Knights Corner, and are not backward
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* compatible with other Intel products. Additionally, Intel will NOT
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* support the codes or instruction set in future products.
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*
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* Intel MIC Card driver.
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*/
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#include <linux/debugfs.h>
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#include <linux/delay.h>
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#include <linux/seq_file.h>
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#include <linux/interrupt.h>
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#include <linux/device.h>
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#include "../common/mic_dev.h"
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#include "mic_device.h"
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/* Debugfs parent dir */
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static struct dentry *mic_dbg;
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/**
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* mic_intr_show - Send interrupts to host.
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*/
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static int mic_intr_show(struct seq_file *s, void *unused)
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{
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struct mic_driver *mdrv = s->private;
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struct mic_device *mdev = &mdrv->mdev;
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mic_send_intr(mdev, 0);
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msleep(1000);
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mic_send_intr(mdev, 1);
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msleep(1000);
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mic_send_intr(mdev, 2);
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msleep(1000);
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mic_send_intr(mdev, 3);
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msleep(1000);
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(mic_intr);
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/**
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* mic_create_card_debug_dir - Initialize MIC debugfs entries.
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*/
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void __init mic_create_card_debug_dir(struct mic_driver *mdrv)
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{
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if (!mic_dbg)
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return;
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mdrv->dbg_dir = debugfs_create_dir(mdrv->name, mic_dbg);
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debugfs_create_file("intr_test", 0444, mdrv->dbg_dir, mdrv,
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&mic_intr_fops);
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}
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/**
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* mic_delete_card_debug_dir - Uninitialize MIC debugfs entries.
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*/
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void mic_delete_card_debug_dir(struct mic_driver *mdrv)
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{
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if (!mdrv->dbg_dir)
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return;
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debugfs_remove_recursive(mdrv->dbg_dir);
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}
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/**
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* mic_init_card_debugfs - Initialize global debugfs entry.
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*/
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void __init mic_init_card_debugfs(void)
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{
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mic_dbg = debugfs_create_dir(KBUILD_MODNAME, NULL);
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}
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/**
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* mic_exit_card_debugfs - Uninitialize global debugfs entry
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*/
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void mic_exit_card_debugfs(void)
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{
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debugfs_remove(mic_dbg);
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}
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