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/linux/sound/usb/line6/
H A Dmidibuf.c33 static int midibuf_is_empty(struct midi_buffer *this) in midibuf_is_empty() argument
35 return (this->pos_read == this->pos_write) && !this->full; in midibuf_is_empty()
38 static int midibuf_is_full(struct midi_buffer *this) in midibuf_is_full() argument
40 return this->full; in midibuf_is_full()
43 void line6_midibuf_reset(struct midi_buffer *this) in line6_midibuf_reset() argument
45 this->pos_read = this->pos_write = this->full = 0; in line6_midibuf_reset()
46 this->command_prev = -1; in line6_midibuf_reset()
49 int line6_midibuf_init(struct midi_buffer *this, int size, int split) in line6_midibuf_init() argument
51 this->buf = kmalloc(size, GFP_KERNEL); in line6_midibuf_init()
53 if (this->buf == NULL) in line6_midibuf_init()
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/linux/drivers/clk/mediatek/
H A DKconfig18 This driver supports MediaTek frequency hopping and
27 This driver supports MediaTek MT2701 basic clocks.
33 This driver supports MediaTek MT2701 mmsys clocks.
39 This driver supports MediaTek MT2701 imgsys clocks.
45 This driver supports MediaTek MT2701 vdecsys clocks.
51 This driver supports MediaTek MT2701 hifsys clocks.
57 This driver supports MediaTek MT2701 ethsys clocks.
63 This driver supports MediaTek MT2701 bdpsys clocks.
69 This driver supports Mediatek MT2701 audsys clocks.
75 This driver supports MediaTek MT2701 g3dsys clocks.
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/linux/drivers/media/i2c/
H A DKconfig19 If your board doesn't have an I2C IR chip, you may disable this
48 This is a Video4Linux2 sensor-level driver for the Allied Vision
51 To compile this driver as a module, choose M here: the
57 This is a Video4Linux2 sensor driver for the ON Semiconductor
60 To compile this driver as a module, choose M here: the
67 This is a Video4Linux2 sensor driver for the GalaxyCore
70 To compile this driver as a module, choose M here: the
77 This is a Video4Linux2 sensor driver for the GalaxyCore gc05a2
80 To compile this driver as a module, choose M here: the
87 This is a Video4Linux2 sensor driver for the GalaxyCore gc08a3
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/linux/drivers/mmc/host/
H A DKconfig12 This is an option for use by developers; most people should
13 say N here. This enables MMC host driver debugging. And further
30 This selects the ARM(R) AMBA(R) PrimeCell Multimedia Card
41 This selects the Qualcomm Data Mover lite/local on SD Card controller.
42 This option will enable the dma to work correctly, if you are using
43 Qcom SOCs and MMC, you would probably need this option to get DMA working.
52 This selects the STMicroelectronics STM32 SDMMC host controller.
61 This selects the Intel(R) PXA(R) Multimedia card Interface.
71 This selects the generic Secure Digital Host Controller Interface.
73 and Toshiba(R). Most controllers found in laptops are of this type.
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/linux/drivers/i2c/busses/
H A DKconfig17 need to select this one on demand.
23 If you say yes to this option, support will be included for the SMB
28 This driver can also be built as a module. If so, the module
35 If you say yes to this option, support will be included for the SMB
40 This driver can also be built as a module. If so, the module
47 If you say yes to this option, support will be included for the
50 This driver can also be built as a module. If so, the module
57 If you say yes to this option, support will be included for the AMD
62 This driver can also be built as a module. If so, the module
69 If you say yes to this option, support will be included for the
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/linux/tools/perf/pmu-events/arch/arm64/fujitsu/a64fx/
H A Dpipeline.json9 "PublicDescription": "This event counts valid cycles of EAGA pipeline.",
12 "BriefDescription": "This event counts valid cycles of EAGA pipeline."
15 "PublicDescription": "This event counts valid cycles of EAGB pipeline.",
18 "BriefDescription": "This event counts valid cycles of EAGB pipeline."
21 "PublicDescription": "This event counts valid cycles of EXA pipeline.",
24 "BriefDescription": "This event counts valid cycles of EXA pipeline."
27 "PublicDescription": "This event counts valid cycles of EXB pipeline.",
30 "BriefDescription": "This event counts valid cycles of EXB pipeline."
33 "PublicDescription": "This event counts valid cycles of FLA pipeline.",
36 "BriefDescription": "This event counts valid cycles of FLA pipeline."
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H A Dother.json3 "PublicDescription": "This event counts the occurrence count of the micro-operation split.",
6 "BriefDescription": "This event counts the occurrence count of the micro-operation split."
9 …"PublicDescription": "This event counts every cycle that no operation was committed because the ol…
12 …"BriefDescription": "This event counts every cycle that no operation was committed because the old…
15 …"PublicDescription": "This event counts every cycle that no instruction was committed because the …
18 …"BriefDescription": "This event counts every cycle that no instruction was committed because the o…
21 …"PublicDescription": "This event counts every cycle that no instruction was committed because the …
24 …"BriefDescription": "This event counts every cycle that no instruction was committed because the o…
27 …"PublicDescription": "This event counts every cycle that no instruction was committed because the …
30 …"BriefDescription": "This event counts every cycle that no instruction was committed because the o…
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/linux/drivers/regulator/
H A DKconfig8 This framework is designed to provide a generic interface to voltage
15 output in order to save power and prolong battery life. This applies
19 This framework safely compiles out if not selected so that client
36 This driver provides support for fixed voltage regulators,
43 This driver provides a virtual consumer for the voltage and
45 configuring the supplies requested. This is mainly useful
63 Enabling this option allows the kernel to broadcast regulator events using
74 This driver supports Marvell 88PG867 and 88PG868 voltage regulators.
82 This driver supports Marvell 88PM800 voltage regulator chips.
92 This driver supports 88PM8607 voltage regulator chips.
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/linux/drivers/gpu/drm/loongson/
H A Dlsdc_pixpll.c18 * This structure is same for ls7a2000, ls7a1000 and ls2k2000.
104 struct lsdc_pixpll *this = (struct lsdc_pixpll *)data; in lsdc_pixel_pll_free() local
106 iounmap(this->mmio); in lsdc_pixel_pll_free()
108 kfree(this->priv); in lsdc_pixel_pll_free()
116 * @this: point to the object where this function is called from
118 static int lsdc_pixel_pll_setup(struct lsdc_pixpll * const this) in lsdc_pixel_pll_setup() argument
122 this->mmio = ioremap(this->reg_base, this->reg_size); in lsdc_pixel_pll_setup()
123 if (!this->mmio) in lsdc_pixel_pll_setup()
128 iounmap(this->mmio); in lsdc_pixel_pll_setup()
134 this->priv = pparms; in lsdc_pixel_pll_setup()
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/linux/drivers/mtd/nand/raw/gpmi-nand/
H A Dgpmi-nand.c35 * Clear the bit and poll it cleared. This is usually called with
69 * the next hard reset. This case occurs in the NAND boot mode. When the board
72 * You will see a DMA timeout in this case. The bug has been fixed
75 * To avoid this bug, just add a new parameter `just_enable` for
120 static int __gpmi_enable_clk(struct gpmi_nand_data *this, bool v) in __gpmi_enable_clk() argument
127 clk = this->resources.clock[i]; in __gpmi_enable_clk()
143 clk_disable_unprepare(this->resources.clock[i - 1]); in __gpmi_enable_clk()
147 static int gpmi_init(struct gpmi_nand_data *this) in gpmi_init() argument
149 struct resources *r = &this->resources; in gpmi_init()
152 ret = pm_runtime_resume_and_get(this->dev); in gpmi_init()
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/linux/drivers/char/hw_random/
H A DKconfig12 To compile this driver as a module, choose M here: the
13 module will be called rng-core. This provides a device
28 This driver provides kernel-side support for a generic Random
33 To compile this driver as a module, choose M here: the
43 This driver provides kernel-side support for the Random Number
46 To compile this driver as a module, choose M here: the
57 This driver provides kernel-side support for the Random Number
60 To compile this driver as a module, choose M here: the
70 This driver provides kernel-side support for the True Random Number
73 To compile this driver as a module, choose M here: the
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/linux/drivers/mtd/nand/raw/
H A Dnand_bbt.c13 * marked good / bad blocks. This information is used to create a memory BBT.
157 * @this: NAND chip object
166 static int read_bbt(struct nand_chip *this, uint8_t *buf, int page, int num, in read_bbt() argument
169 struct mtd_info *mtd = nand_to_mtd(this); in read_bbt()
180 from = ((loff_t)page) << this->page_shift; in read_bbt()
183 len = min(totlen, (size_t)(1 << this->bbt_erase_shift)); in read_bbt()
219 this->bbt_erase_shift); in read_bbt()
220 bbt_mark_entry(this, offs + act, in read_bbt()
227 * move this message to pr_debug. in read_bbt()
231 this->bbt_erase_shift); in read_bbt()
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/linux/fs/jffs2/
H A Dnodelist.c8 * For licensing information, see the file 'LICENCE' in this directory.
24 struct jffs2_node_frag *this);
102 struct jffs2_node_frag *this) in jffs2_obsolete_node_frag() argument
104 if (this->node) { in jffs2_obsolete_node_frag()
105 this->node->frags--; in jffs2_obsolete_node_frag()
106 if (!this->node->frags) { in jffs2_obsolete_node_frag()
109 ref_offset(this->node->raw), this->node->ofs, this->node->ofs+this->node->size); in jffs2_obsolete_node_frag()
110 jffs2_mark_node_obsolete(c, this->node->raw); in jffs2_obsolete_node_frag()
111 jffs2_free_full_dnode(this->node); in jffs2_obsolete_node_frag()
114 …ref_offset(this->node->raw), this->node->ofs, this->node->ofs+this->node->size, this->node->frags); in jffs2_obsolete_node_frag()
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/linux/drivers/s390/net/
H A Dfsm.c21 fsm_instance *this; in init_fsm() local
25 this = kzalloc(sizeof(fsm_instance), order); in init_fsm()
26 if (this == NULL) { in init_fsm()
31 strscpy(this->name, name, sizeof(this->name)); in init_fsm()
32 init_waitqueue_head(&this->wait_q); in init_fsm()
38 kfree_fsm(this); in init_fsm()
45 this->f = f; in init_fsm()
51 kfree_fsm(this); in init_fsm()
63 kfree_fsm(this); in init_fsm()
69 return this; in init_fsm()
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/linux/drivers/staging/greybus/
H A DKconfig8 Select this option if you have a device that follows the
11 To compile this code as a module, chose M here: the module
18 Select this option if you have a Toshiba APB device that has I2S
19 ports and acts as a Greybus "Dummy codec". This device is a
22 To compile this code as a module, chose M here: the module
29 Select this option if you have a device that follows the
32 To compile this code as a module, chose M here: the module
39 Select this option if you have a device that follows the
42 To compile this code as a module, chose M here: the module
49 Select this option if you have a device that follows the
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/linux/drivers/ata/
H A DKconfig9 This is an internal configuration node for any machine that
47 This option adds parsing of ATA command descriptions and error bits
49 This option will enlarge the kernel by approx. 6KB. Disable it only
58 This option adds support for "libata.force=" kernel parameter for
64 This option will enlarge the kernel by approx. 3KB. Disable it if
76 This option adds support for ATA-related ACPI objects.
81 You can disable this at kernel boot time by using the
88 This option adds support for SATA Zero Power Optical Disc
91 ODD when certain condition is satisfied. This does not impact
102 This option adds support for SATA Port Multipliers
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/linux/sound/soc/sof/
H A DKconfig5 This adds support for Sound Open Firmware (SOF). SOF is free and
19 This adds support for PCI enumeration. This option is
23 Say Y if you need this option.
30 This adds support for ACPI enumeration. This option is required
34 Say Y if you need this option.
44 This adds support for Device Tree enumeration. This option is
46 Say Y if you need this option. If unsure select "N".
60 This option enables the data probing feature that can be used to
62 This option is not user-selectable but automagically handled by
69 This option is not user-selectable but automagically handled by
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/linux/include/drm/
H A Ddrm_modeset_helper_vtables.h11 * copy of this software and associated documentation files (the "Software"),
17 * The above copyright notice and this permission notice shall be included in
39 * they wish. Drivers are not forced to use this code in their
48 * To make this clear all the helper vtables are pulled together in this location here.
72 * This is used by the legacy CRTC helpers to implement DPMS
75 * This callback is also used to disable a CRTC by calling it with
78 * This callback is used by the legacy CRTC helpers. Atomic helpers
79 * also support using this hook for enabling and disabling a CRTC to
88 * This callback should prepare the CRTC for a subsequent modeset, which
90 * running. Most drivers ended up implementing this by calling their
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/linux/drivers/scsi/isci/
H A Dremote_device.h2 * This file is provided under a dual BSD/GPLv2 license. When using or
3 * redistributing this file, you may do so under either license.
9 * This program is free software; you can redistribute it and/or modify
13 * This program is distributed in the hope that it will be useful, but
19 * along with this program; if not, write to the Free Software
21 * The full GNU General Public License is included in this distribution
34 * notice, this list of conditions and the following disclaimer.
36 * notice, this list of conditions and the following disclaimer in
41 * from this software without specific prior written permission.
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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H A Dscu_remote_node_context.h2 * This file is provided under a dual BSD/GPLv2 license. When using or
3 * redistributing this file, you may do so under either license.
9 * This program is free software; you can redistribute it and/or modify
13 * This program is distributed in the hope that it will be useful, but
19 * along with this program; if not, write to the Free Software
21 * The full GNU General Public License is included in this distribution
34 * notice, this list of conditions and the following disclaimer.
36 * notice, this list of conditions and the following disclaimer in
41 * from this software without specific prior written permission.
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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/linux/Documentation/ABI/testing/
H A Dconfigfs-most19 configure the buffer size for this channel
22 configure the sub-buffer size for this channel
27 configure number of buffers used for this
32 this channel
35 configure whether this link will be an input
39 configure DBR data buffer size (this is used
45 transmitted via USB (this is used for USB
58 write '1' to this attribute to trigger the
64 write '1' to this attribute to destroy an
74 configure the buffer size for this channel
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/linux/drivers/net/usb/
H A DKconfig27 This driver makes the adapter appear as a normal Ethernet interface,
31 To compile this driver as a module, choose M here: the
59 This driver is likely to work with most 10Mbps only USB Ethernet
66 This driver makes the adapter appear as a normal Ethernet interface,
70 To compile this driver as a module, choose M here: the
85 To compile this driver as a module, choose M here: the
96 To compile this driver as a module, choose M here: the
108 This option adds support for Realtek RTL8152 based USB 2.0
112 To compile this driver as a module, choose M here: the
123 This option adds support for Microchip LAN78XX based USB 2
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/linux/net/mac80211/
H A DKconfig13 This option enables the hardware independent IEEE 802.11
29 This option enables the 'minstrel' TX rate control algorithm
36 This option selects the default rate control algorithm
37 mac80211 will use. Note that this default can still be
66 Enable this option to test mac80211 internals with kunit.
74 Select this option to enable 802.11 mesh operation in mac80211
85 This option enables a few LED triggers for different
92 Select this to see extensive information about
95 Say N unless you know you need this.
101 Select this option to have mac80211 register the
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/linux/drivers/watchdog/
H A DKconfig14 longer than 1 minute will result in rebooting the machine. This
25 <https://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon
37 This driver provides a framework for all watchdog timer drivers
46 /dev/watchdog. It's always remotely possible that this process might
79 Enable this if you want to use a hrtimer timer based pretimeout for
81 that because this pretimeout functionality uses hrtimers, it may not
120 This option selects a default watchdog pretimeout governor.
156 A software monitoring watchdog. This will fail to reboot your system
160 To compile this driver as a module, choose M here: the
167 Enable this if you want to use pretimeout governors with the software
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/linux/tools/perf/pmu-events/arch/arm64/arm/neoverse-n1/
H A Dmetrics.json5 …"BriefDescription": "This metric is the percentage of cycles that were stalled due to resource con…
12 …efDescription": "This metric measures the ratio of branches mispredicted to the total number of br…
19 …"BriefDescription": "This metric measures the number of branch mispredictions per thousand instruc…
26 …"BriefDescription": "This metric measures branch operations as a percentage of operations speculat…
33 …"BriefDescription": "This metric measures crypto operations as a percentage of operations speculat…
40 …"BriefDescription": "This metric measures the number of data TLB Walks per thousand instructions e…
47 …"BriefDescription": "This metric measures the ratio of instruction TLB Walks to the total number o…
54 …"BriefDescription": "This metric is the percentage of cycles that were stalled due to resource con…
61 …"BriefDescription": "This metric measures scalar integer operations as a percentage of operations …
68 "BriefDescription": "This metric measures the number of instructions retired per cycle.",
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