| /openbmc/linux/drivers/s390/cio/ |
| H A D | device_pgid.c | 78 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 D | device_ops.c | 166 * @lpm: defines the channel path to be used for a specific I/O request. A
186 * -%EACCES, if no path specified in @lpm is operational;
192 unsigned long intparm, __u8 lpm, __u8 key, in ccw_device_start_timeout_key() argument
224 if (lpm) { in ccw_device_start_timeout_key()
225 lpm &= sch->lpm; in ccw_device_start_timeout_key()
226 if (lpm == 0) in ccw_device_start_timeout_key()
229 ret = cio_start_key (sch, cpa, lpm, key); in ccw_device_start_timeout_key()
251 * @lpm: defines the channel path to be used for a specific I/O request. A
266 * -%EACCES, if no path specified in @lpm is operational;
272 unsigned long intparm, __u8 lpm, __u8 key, in ccw_device_start_key() argument
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| H A D | ccwreq.c | 24 * @lpm: path mask to adjust
27 * Shift @lpm right until @lpm and @mask have at least one bit in common or
28 * until @lpm is zero. Return the resulting lpm.
30 int lpm_adjust(int lpm, int mask) in lpm_adjust() argument
32 while (lpm && ((lpm & mask) == 0)) in lpm_adjust()
33 lpm >>= 1; in lpm_adjust()
34 return lpm; in lpm_adjust()
50 req->mask = lpm_adjust(req->mask >> 1, req->lpm); in ccwreq_next_path()
128 req->mask = req->lpm; in ccw_request_start()
131 req->mask = lpm_adjust(req->mask, req->lpm); in ccw_request_start()
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| H A D | cio.c | 99 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 D | vfio_ccw_fsm.c | 24 __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()
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| H A D | cio.h | 31 u8 lpm; /* logical path mask */ member
95 __u8 lpm; /* logical path mask */ member
130 int cio_tm_start_key(struct subchannel *sch, struct tcw *tcw, u8 lpm, u8 key);
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| /openbmc/linux/Documentation/devicetree/bindings/usb/ |
| H A D | usb-xhci.yaml | 16 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
40 usb2-lpm-disable;
41 usb3-lpm-capable;
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| H A D | hisilicon,histb-xhci.txt | 26 - 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
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| H A D | snps,dwc3.yaml | 111 snps,usb2-lpm-disable:
112 description: Indicate if we don't want to enable USB2 HW LPM for host
117 description: Determines if platform is USB3 LPM capable
120 snps,usb2-gadget-lpm-disable:
121 description: Indicate if we don't want to enable USB2 HW LPM for gadget
137 snps,has-lpm-erratum:
138 description: True when DWC3 was configured with LPM Erratum enabled
141 snps,lpm-nyet-threshold:
142 description: LPM NYET threshold
256 snps,gfladj-refclk-lpm-sel-quirk:
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| H A D | mediatek,mtk-xhci.yaml | 117 usb3-lpm-capable: true
119 usb2-lpm-disable: true
213 usb3-lpm-capable;
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| /openbmc/linux/Documentation/bpf/ |
| H A D | map_lpm_trie.rst | 18 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:
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| /openbmc/linux/drivers/regulator/ |
| H A D | mcp16502.c | 38 * controlled via GPIO lines called LPM and HPM.
43 * state by setting the GPIO lpm pin high/low.
146 * @lpm: LPM GPIO descriptor
149 struct gpio_desc *lpm; member
161 gpiod_set_value(mcp->lpm, 0); in mcp16502_gpio_set_mode()
165 gpiod_set_value(mcp->lpm, 1); in mcp16502_gpio_set_mode()
184 return MCP16502_REG_BASE(rdev_get_id(rdev), LPM); in mcp16502_get_state_reg()
530 mcp->lpm = devm_gpiod_get_optional(dev, "lpm", GPIOD_OUT_LOW); in mcp16502_probe()
531 if (IS_ERR(mcp->lpm)) { in mcp16502_probe()
532 dev_err(dev, "failed to get lpm pin: %ld\n", PTR_ERR(mcp->lpm)); in mcp16502_probe()
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| /openbmc/linux/Documentation/networking/devlink/ |
| H A D | devlink-dpipe.rst | 15 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
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| /openbmc/linux/Documentation/ABI/testing/ |
| H A D | sysfs-bus-usb | 97 If CONFIG_PM is set and a USB 2.0 lpm-capable device is plugged
98 in to a xHCI host which support link PM, it will perform a LPM
99 test; if the test is passed and host supports USB2 hardware LPM
100 (xHCI 1.0 feature), USB2 hardware LPM will be enabled for the
103 or disable) indicating whether or not USB2 hardware LPM is
113 If CONFIG_PM is set and a USB 3.0 lpm-capable device is plugged
116 the check is passed and the host supports USB3 hardware LPM,
117 USB3 hardware LPM will be enabled for the device and the USB
121 or not USB3 hardware LPM U1 or U2 is enabled for the device.
223 Some USB3.0 devices are not friendly to USB3 LPM. usb3_lpm_permit
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| /openbmc/linux/drivers/bluetooth/ |
| H A D | hci_intel.c | 140 bt_dev_err(hu->hdev, "LPM transaction interrupted"); in intel_wait_lpm_transaction()
145 bt_dev_err(hu->hdev, "LPM transaction timeout"); in intel_wait_lpm_transaction()
169 bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet"); in intel_lpm_suspend()
178 /* LPM flow is a priority, enqueue packet at list head */ in intel_lpm_suspend()
214 bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet"); in intel_lpm_resume()
222 /* LPM flow is a priority, enqueue packet at list head */ in intel_lpm_resume()
254 bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet"); in intel_lpm_host_wake()
261 /* LPM flow is a priority, enqueue packet at list head */ in intel_lpm_host_wake()
281 /* Host/Controller are now LPM resumed, trigger a new delayed suspend */ in intel_irq()
316 /* Provide to idev a hu reference which is used to run LPM in intel_set_power()
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| /openbmc/linux/drivers/usb/chipidea/ |
| H A D | core.c | 202 enum ci_hw_regs reg = ci->hw_bank.lpm ? OP_DEVLC : OP_PORTSC; in ci_hdrc_enter_lpm_common()
203 bool lpm = !!(hw_read(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm))); in ci_hdrc_enter_lpm_common() local
205 if (enable && !lpm) in ci_hdrc_enter_lpm_common()
206 hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm), in ci_hdrc_enter_lpm_common()
207 PORTSC_PHCD(ci->hw_bank.lpm)); in ci_hdrc_enter_lpm_common()
208 else if (!enable && lpm) in ci_hdrc_enter_lpm_common()
209 hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm), in ci_hdrc_enter_lpm_common()
232 ci->hw_bank.lpm = reg; in hw_device_init()
257 "revision: %d, lpm: %d; cap: %px op: %px\n", in hw_device_init()
258 ci->rev, ci->hw_bank.lpm, ci->hw_bank.cap, ci->hw_bank.op); in hw_device_init()
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| /openbmc/linux/drivers/ps3/ |
| H A D | ps3-lpm.c | 77 * 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 rigths 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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| /openbmc/linux/Documentation/driver-api/usb/ |
| H A D | usb3-debug-port.rst | 76 [ 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.
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| H A D | power-management.rst | 529 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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| /openbmc/linux/drivers/soc/pxa/ |
| H A D | mfp.c | 45 * 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()
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| /openbmc/linux/drivers/ufs/host/ |
| H A D | ufs-mediatek.c | 1071 static int ufs_mtk_unipro_set_lpm(struct ufs_hba *hba, bool lpm) in ufs_mtk_unipro_set_lpm() argument
1078 lpm ? 1 : 0); in ufs_mtk_unipro_set_lpm()
1079 if (!ret || !lpm) { in ufs_mtk_unipro_set_lpm()
1081 * Forcibly set as non-LPM mode if UIC commands is failed in ufs_mtk_unipro_set_lpm()
1085 host->unipro_lpm = lpm; in ufs_mtk_unipro_set_lpm()
1252 static void ufs_mtk_vccqx_set_lpm(struct ufs_hba *hba, bool lpm) in ufs_mtk_vccqx_set_lpm() argument
1262 lpm ? REGULATOR_MODE_IDLE : REGULATOR_MODE_NORMAL); in ufs_mtk_vccqx_set_lpm()
1265 static void ufs_mtk_vsx_set_lpm(struct ufs_hba *hba, bool lpm) in ufs_mtk_vsx_set_lpm() argument
1269 ufs_mtk_device_pwr_ctrl(!lpm, in ufs_mtk_vsx_set_lpm()
1274 static void ufs_mtk_dev_vreg_set_lpm(struct ufs_hba *hba, bool lpm) in ufs_mtk_dev_vreg_set_lpm() argument
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| /openbmc/linux/Documentation/devicetree/bindings/regulator/ |
| H A D | mcp16502-regulator.txt | 6 - lpm-gpios: GPIO for LPM pin. Note that this GPIO *must* remain high during
34 lpm-gpios = <&pioBU 7 GPIO_ACTIVE_HIGH>;
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| /openbmc/linux/drivers/usb/dwc2/ |
| H A D | params.c | 129 p->lpm = false; in dwc2_set_rk_params()
171 p->lpm = false; in dwc2_set_amlogic_g12a_params()
190 p->lpm = false; in dwc2_set_amlogic_a1_params()
263 p->lpm = false; in dwc2_set_stm32mp15_hsotg_params()
443 p->lpm = hsotg->hw_params.lpm_mode; in dwc2_set_param_lpm()
444 if (p->lpm) { in dwc2_set_param_lpm()
773 CHECK_BOOL(lpm, (hsotg->hw_params.snpsid >= DWC2_CORE_REV_2_80a)); in dwc2_check_params()
774 CHECK_BOOL(lpm, hw->lpm_mode); in dwc2_check_params()
775 CHECK_BOOL(lpm_clock_gating, hsotg->params.lpm); in dwc2_check_params()
776 CHECK_BOOL(besl, hsotg->params.lpm); in dwc2_check_params()
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| /openbmc/linux/arch/powerpc/platforms/ps3/ |
| H A D | device-init.c | 40 /* The current lpm driver only supports a single BE processor. */ in ps3_register_lpm_devices()
42 result = ps3_repository_read_be_node_id(0, &dev->lpm.node_id); in ps3_register_lpm_devices()
50 result = ps3_repository_read_lpm_privileges(dev->lpm.node_id, &tmp1, in ps3_register_lpm_devices()
51 &dev->lpm.rights); in ps3_register_lpm_devices()
68 if (!(dev->lpm.rights & PS3_LPM_RIGHTS_USE_LPM)) { in ps3_register_lpm_devices()
69 pr_debug("%s:%d: don't have rights to use lpm\n", in ps3_register_lpm_devices()
76 __func__, __LINE__, dev->lpm.pu_id, dev->lpm.rights, in ps3_register_lpm_devices()
77 dev->lpm.rights); in ps3_register_lpm_devices()
79 result = ps3_repository_read_pu_id(0, &dev->lpm.pu_id); in ps3_register_lpm_devices()
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| /openbmc/linux/include/linux/soc/pxa/ |
| H A D | mfp.h | 413 #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))
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