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/linux/drivers/s390/cio/
H A Ddevice_pgid.c78 req->lpm = lpm_adjust(req->lpm, sch->schib.pmcw.pam & sch->opm & in nop_do()
80 if (!req->lpm) in nop_do()
112 sch->vpm |= req->lpm; in nop_callback()
115 cdev->private->path_noirq_mask |= req->lpm; in nop_callback()
118 cdev->private->path_notoper_mask |= req->lpm; in nop_callback()
124 req->lpm >>= 1; in nop_callback()
139 int i = pathmask_to_pos(req->lpm); in spid_build_cp()
183 req->lpm = sch->schib.pmcw.pam; in pgid_wipeout_start()
202 req->lpm = lpm_adjust(req->lpm, cdev->private->pgid_todo_mask); in spid_do()
203 if (!req->lpm) in spid_do()
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H A Ddevice_ops.c168 * @lpm: defines the channel path to be used for a specific I/O request. A
188 * -%EACCES, if no path specified in @lpm is operational;
194 unsigned long intparm, __u8 lpm, __u8 key, in ccw_device_start_timeout_key() argument
232 if (lpm) { in ccw_device_start_timeout_key()
233 lpm &= sch->lpm; in ccw_device_start_timeout_key()
234 if (lpm == 0) in ccw_device_start_timeout_key()
237 ret = cio_start_key (sch, cpa, lpm, key); in ccw_device_start_timeout_key()
259 * @lpm: defines the channel path to be used for a specific I/O request. A
274 * -%EACCES, if no path specified in @lpm is operational;
280 unsigned long intparm, __u8 lpm, __u8 key, in ccw_device_start_key() argument
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H A Dcio.c99 cio_start_handle_notoper(struct subchannel *sch, __u8 lpm) in cio_start_handle_notoper() argument
103 if (lpm != 0) in cio_start_handle_notoper()
104 sch->lpm &= ~lpm; in cio_start_handle_notoper()
106 sch->lpm = 0; in cio_start_handle_notoper()
119 return (sch->lpm ? -EACCES : -ENODEV); in cio_start_handle_notoper()
125 __u8 lpm, /* logical path mask */ in cio_start_key() argument
143 orb->cmd.lpm = (lpm != 0) ? lpm : sch->lpm; in cio_start_key()
168 return cio_start_handle_notoper(sch, lpm); in cio_start_key()
176 cio_start (struct subchannel *sch, struct ccw1 *cpa, __u8 lpm) in cio_start() argument
178 return cio_start_key(sch, cpa, lpm, PAGE_DEFAULT_KEY); in cio_start()
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H A Dvfio_ccw_fsm.c24 __u8 lpm; in fsm_io_helper() local
59 lpm = orb->cmd.lpm; in fsm_io_helper()
60 if (lpm != 0) in fsm_io_helper()
61 sch->lpm &= ~lpm; in fsm_io_helper()
63 sch->lpm = 0; in fsm_io_helper()
68 ret = sch->lpm ? -EACCES : -ENODEV; in fsm_io_helper()
H A Dcio.h32 u8 lpm; /* logical path mask */ member
96 __u8 lpm; /* logical path mask */ member
126 int cio_tm_start_key(struct subchannel *sch, struct tcw *tcw, u8 lpm, u8 key);
H A Dio_sch.h65 * @lpm: mask of paths to use
70 * @singlepath: if set, use only one path from @lpm per start I/O
81 u8 lpm; member
/linux/Documentation/devicetree/bindings/usb/
H A Dusb-xhci.yaml16 usb2-lpm-disable:
17 description: Indicates if we don't want to enable USB2 HW LPM
20 usb3-lpm-capable:
21 description: Determines if platform is USB3 LPM capable
46 usb2-lpm-disable;
47 usb3-lpm-capable;
H A Dhisilicon,histb-xhci.txt26 - usb2-lpm-disable: indicate if we don't want to enable USB2 HW LPM
27 - usb3-lpm-capable: determines if platform is USB3 LPM capable
H A Dsnps,dwc3-common.yaml54 snps,usb2-lpm-disable:
55 description: Indicate if we don't want to enable USB2 HW LPM for host
60 description: Determines if platform is USB3 LPM capable
63 snps,usb2-gadget-lpm-disable:
64 description: Indicate if we don't want to enable USB2 HW LPM for gadget
91 snps,has-lpm-erratum:
92 description: True when DWC3 was configured with LPM Erratum enabled
95 snps,lpm-nyet-threshold:
96 description: LPM NYET threshold
210 snps,gfladj-refclk-lpm-sel-quirk:
/linux/Documentation/bpf/
H A Dmap_lpm_trie.rst18 LPM tries may be created with a maximum prefix length that is a multiple
26 The value type stored in the LPM trie can be any user defined type.
96 A userspace program can iterate through the entries in an LPM trie using
104 ``bpf_map_get_next_key()`` will iterate through the LPM trie elements
112 of LPM trie usage from userspace. The code snippets below demonstrate
118 The following BPF code snippet shows how to declare a new LPM trie for IPv4
157 LPM trie:
171 of an LPM trie:
/linux/Documentation/networking/devlink/
H A Ddevlink-dpipe.rst15 For example, the routing longest prefix match (LPM) algorithm used by the
31 One example is the kernel's LPM algorithm which in many cases differs
127 LPM are not supported due to the fact that this is exactly a process we wish
166 LPM section in Abstraction Example
169 The LPM algorithm can be implemented as a list of hash tables. Each hash
177 The ``meta.lpm_prefix`` field is used to connect two LPM tables.
197 In the case of local routes the LPM lookup already resolves the egress
215 In case of remote routes this table does the ECMP. The LPM lookup results in
218 and the packet's hash a local offset is generated. Multiple LPM entries can
/linux/drivers/bluetooth/
H A Dhci_intel.c139 bt_dev_err(hu->hdev, "LPM transaction interrupted"); in intel_wait_lpm_transaction()
144 bt_dev_err(hu->hdev, "LPM transaction timeout"); in intel_wait_lpm_transaction()
168 bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet"); in intel_lpm_suspend()
177 /* LPM flow is a priority, enqueue packet at list head */ in intel_lpm_suspend()
213 bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet"); in intel_lpm_resume()
221 /* LPM flow is a priority, enqueue packet at list head */ in intel_lpm_resume()
252 bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet"); in intel_lpm_host_wake()
259 /* LPM flow is a priority, enqueue packet at list head */ in intel_lpm_host_wake()
279 /* Host/Controller are now LPM resumed, trigger a new delayed suspend */ in intel_irq()
313 /* Provide to idev a hu reference which is used to run LPM in intel_set_power()
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/linux/Documentation/ABI/testing/
H A Dsysfs-bus-usb98 If CONFIG_PM is set and a USB 2.0 lpm-capable device is plugged
99 in to a xHCI host which support link PM, it will perform a LPM
100 test; if the test is passed and host supports USB2 hardware LPM
101 (xHCI 1.0 feature), USB2 hardware LPM will be enabled for the
104 or disable) indicating whether or not USB2 hardware LPM is
114 If CONFIG_PM is set and a USB 3.0 lpm-capable device is plugged
117 the check is passed and the host supports USB3 hardware LPM,
118 USB3 hardware LPM will be enabled for the device and the USB
122 or not USB3 hardware LPM U1 or U2 is enabled for the device.
224 Some USB3.0 devices are not friendly to USB3 LPM. usb3_lpm_permit
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/linux/drivers/usb/chipidea/
H A Dcore.c203 enum ci_hw_regs reg = ci->hw_bank.lpm ? OP_DEVLC : OP_PORTSC; in ci_hdrc_enter_lpm_common()
204 bool lpm = !!(hw_read(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm))); in ci_hdrc_enter_lpm_common() local
206 if (enable && !lpm) in ci_hdrc_enter_lpm_common()
207 hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm), in ci_hdrc_enter_lpm_common()
208 PORTSC_PHCD(ci->hw_bank.lpm)); in ci_hdrc_enter_lpm_common()
209 else if (!enable && lpm) in ci_hdrc_enter_lpm_common()
210 hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm), in ci_hdrc_enter_lpm_common()
233 ci->hw_bank.lpm = reg; in hw_device_init()
258 "revision: %d, lpm: %d; cap: %px op: %px\n", in hw_device_init()
259 ci->rev, ci->hw_bank.lpm, ci->hw_bank.cap, ci->hw_bank.op); in hw_device_init()
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/linux/drivers/ps3/
H A Dps3-lpm.c77 * The initial value of the shadow registers at lpm creation is
91 * struct ps3_lpm_priv - Private lpm device data.
93 * @open: An atomic variable indicating the lpm driver has been opened.
94 * @rights: The lpm rights granted by the system policy module. A logical
99 * @lpm_id: The lv1 id of this lpm instance.
100 * @outlet_id: The outlet created by lv1 for this lpm instance.
137 * lpm_priv - Static instance of the lpm data.
157 * to start/stop LPM.
384 * ps3_read_pm - Read Other LPM control registers.
436 * ps3_write_pm - Write Other LPM control registers.
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/linux/Documentation/devicetree/bindings/phy/
H A Dsophgo,cv1800b-usb2-phy.yaml26 - description: PHY lpm clock
32 - const: lpm
52 clock-names = "app", "stb", "lpm";
/linux/drivers/soc/pxa/
H A Dmfp.c45 * non-LPM pulled output, the same configuration could probably be used.
171 int pin, af, drv, lpm, edge, pull; in mfp_config() local
179 lpm = MFP_LPM_STATE(c); in mfp_config()
190 p->mfpr_run = tmp | mfpr_lpm[lpm] | mfpr_edge[edge]; in mfp_config()
193 p->mfpr_lpm = tmp | mfpr_lpm[lpm] | mfpr_edge[edge]; in mfp_config()
/linux/Documentation/driver-api/usb/
H A Dusb3-debug-port.rst76 [ 1815.999595] usb 4-3: LPM exit latency is zeroed, disabling LPM.
144 [ 79.475003] usb 2-2.1: LPM exit latency is zeroed, disabling LPM.
H A Dpower-management.rst529 enabling hardware LPM, the host can automatically put the device into
533 The user interface for controlling hardware LPM is located in the
540 When a USB2 device which support LPM is plugged to a
541 xHCI host root hub which support software LPM, the
542 host will run a software LPM test for it; if the device
544 supports USB2 hardware LPM, this file will show up and
545 driver will enable hardware LPM for the device. You
547 USB2 hardware LPM manually. This is for test purpose mainly.
552 When a USB 3.0 lpm-capable device is plugged in to a
556 supports USB3 hardware LPM, USB3 hardware LPM will be
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/linux/arch/powerpc/platforms/ps3/
H A Ddevice-init.c41 /* The current lpm driver only supports a single BE processor. */ in ps3_register_lpm_devices()
43 result = ps3_repository_read_be_node_id(0, &dev->lpm.node_id); in ps3_register_lpm_devices()
51 result = ps3_repository_read_lpm_privileges(dev->lpm.node_id, &tmp1, in ps3_register_lpm_devices()
52 &dev->lpm.rights); in ps3_register_lpm_devices()
69 if (!(dev->lpm.rights & PS3_LPM_RIGHTS_USE_LPM)) { in ps3_register_lpm_devices()
70 pr_debug("%s:%d: don't have rights to use lpm\n", in ps3_register_lpm_devices()
77 __func__, __LINE__, dev->lpm.pu_id, dev->lpm.rights, in ps3_register_lpm_devices()
78 dev->lpm.rights); in ps3_register_lpm_devices()
80 result = ps3_repository_read_pu_id(0, &dev->lpm.pu_id); in ps3_register_lpm_devices()
/linux/drivers/ufs/host/
H A Dufs-mediatek.c1554 static int ufs_mtk_unipro_set_lpm(struct ufs_hba *hba, bool lpm) in ufs_mtk_unipro_set_lpm()
1561 lpm ? 1 : 0); in ufs_mtk_unipro_set_lpm()
1562 if (!ret || !lpm) { in ufs_mtk_unipro_set_lpm()
1564 * Forcibly set as non-LPM mode if UIC commands is failed in ufs_mtk_unipro_set_lpm()
1568 host->unipro_lpm = lpm; in ufs_mtk_pre_link()
1755 static void ufs_mtk_vccqx_set_lpm(struct ufs_hba *hba, bool lpm) in ufs_mtk_vccqx_set_lpm()
1768 lpm ? REGULATOR_MODE_IDLE : REGULATOR_MODE_NORMAL); in ufs_mtk_vsx_set_lpm()
1771 static void ufs_mtk_vsx_set_lpm(struct ufs_hba *hba, bool lpm)
1775 ufs_mtk_device_pwr_ctrl(!lpm, in ufs_mtk_dev_vreg_set_lpm()
1780 static void ufs_mtk_dev_vreg_set_lpm(struct ufs_hba *hba, bool lpm) in ufs_mtk_dev_vreg_set_lpm()
1546 ufs_mtk_unipro_set_lpm(struct ufs_hba * hba,bool lpm) ufs_mtk_unipro_set_lpm() argument
1747 ufs_mtk_vccqx_set_lpm(struct ufs_hba * hba,bool lpm) ufs_mtk_vccqx_set_lpm() argument
1763 ufs_mtk_vsx_set_lpm(struct ufs_hba * hba,bool lpm) ufs_mtk_vsx_set_lpm() argument
1772 ufs_mtk_dev_vreg_set_lpm(struct ufs_hba * hba,bool lpm) ufs_mtk_dev_vreg_set_lpm() argument
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/linux/include/linux/soc/pxa/
H A Dmfp.h413 #define MFP_CFG_LPM(pin, af, lpm) \ argument
415 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm))
417 #define MFP_CFG_X(pin, af, drv, lpm) \ argument
419 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm))
/linux/arch/arm64/boot/dts/ti/
H A Dk3-am62p-main.dtsi30 snps,usb2-gadget-lpm-disable;
31 snps,usb2-lpm-disable;
/linux/drivers/s390/block/
H A Ddasd_eckd.c851 __u8 lpm) in dasd_eckd_fill_rcd_cqr() argument
874 cqr->lpm = lpm; in dasd_eckd_fill_rcd_cqr()
908 __u8 lpm) in dasd_eckd_read_conf_immediately() argument
920 dasd_eckd_fill_rcd_cqr(device, cqr, rcd_buffer, lpm); in dasd_eckd_read_conf_immediately()
931 int *rcd_buffer_size, __u8 lpm) in dasd_eckd_read_conf_lpm() argument
961 dasd_eckd_fill_rcd_cqr(device, cqr, rcd_buf, lpm); in dasd_eckd_read_conf_lpm()
1117 void *conf_data, __u8 lpm) in dasd_eckd_check_cabling() argument
1133 lpm, print_path_uid, print_device_uid); in dasd_eckd_check_cabling()
1145 __u8 lpm, opm; in dasd_eckd_read_conf() local
1153 for (lpm = 0x80; lpm; lpm>>= 1) { in dasd_eckd_read_conf()
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/linux/drivers/usb/cdns3/
H A Dcdns3-gadget.h158 /* L1 LPM state entry enable (used in HS/FS mode). */
160 /* L1 LPM state entry disable (used in HS/FS mode). */
166 /* L0 LPM state entry request (used in HS/FS mode). */
291 * L1 LPM state enable status (used in HS/FS mode).
292 * 0 - Entering to L1 LPM state disabled.
293 * 1 - Entering to L1 LPM state enabled.
305 * HS/FS LPM state (used in FS/HS mode).
461 /* LPM L2 state enter interrupt enable.*/
463 /* LPM L2 state exit interrupt enable.*/
465 /* LPM L1 state enter interrupt enable.*/
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