| /linux-6.12.1/include/linux/ |
| D | hwspinlock.h | 63 int hwspin_lock_free(struct hwspinlock *hwlock);
65 int hwspin_lock_get_id(struct hwspinlock *hwlock);
71 int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id);
72 int devm_hwspin_lock_free(struct device *dev, struct hwspinlock *hwlock);
108 static inline int hwspin_lock_free(struct hwspinlock *hwlock) in hwspin_lock_free() argument
114 int __hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int to, in __hwspin_lock_timeout() argument
121 int __hwspin_trylock(struct hwspinlock *hwlock, int mode, unsigned long *flags) in __hwspin_trylock() argument
127 void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags) in __hwspin_unlock() argument
131 static inline int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id) in hwspin_lock_bust() argument
141 static inline int hwspin_lock_get_id(struct hwspinlock *hwlock) in hwspin_lock_get_id() argument
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| /linux-6.12.1/Documentation/devicetree/bindings/hwlock/ |
| D | hwlock.txt | 1 Generic hwlock bindings
4 Generic bindings that are common to all the hwlock platform specific driver
7 Please also look through the individual platform specific hwlock binding
11 hwlock providers:
15 - #hwlock-cells: Specifies the number of cells needed to represent a
18 hwlock users:
21 Consumers that require specific hwlock(s) should specify them using the
22 property "hwlocks", and an optional "hwlock-names" property.
25 - hwlocks: List of phandle to a hwlock provider node and an
26 associated hwlock args specifier as indicated by
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| D | ti,omap-hwspinlock.yaml | 4 $id: http://devicetree.org/schemas/hwlock/ti,omap-hwspinlock.yaml#
22 "#hwlock-cells":
25 The OMAP hwspinlock users will use a 0-indexed relative hwlock number as
29 Please look at the generic hwlock binding for usage information for
30 consumers, "Documentation/devicetree/bindings/hwlock/hwlock.txt"
35 - "#hwlock-cells"
45 #hwlock-cells = <1>;
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| D | sprd,hwspinlock-r3p0.yaml | 4 $id: http://devicetree.org/schemas/hwlock/sprd,hwspinlock-r3p0.yaml#
27 '#hwlock-cells':
35 - '#hwlock-cells'
43 hwlock@40500000 {
48 #hwlock-cells = <1>;
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| D | qcom-hwspinlock.yaml | 4 $id: http://devicetree.org/schemas/hwlock/qcom-hwspinlock.yaml#
38 '#hwlock-cells':
44 - '#hwlock-cells'
50 hwlock@1f40000 {
53 #hwlock-cells = <1>;
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| D | allwinner,sun6i-a31-hwspinlock.yaml | 4 $id: http://devicetree.org/schemas/hwlock/allwinner,sun6i-a31-hwspinlock.yaml#
29 '#hwlock-cells':
37 - "#hwlock-cells"
46 hwlock@1c18000 {
51 #hwlock-cells = <1>;
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| D | st,stm32-hwspinlock.yaml | 4 $id: http://devicetree.org/schemas/hwlock/st,stm32-hwspinlock.yaml#
13 "#hwlock-cells":
30 - "#hwlock-cells"
43 #hwlock-cells = <1>;
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| /linux-6.12.1/drivers/hwspinlock/ |
| D | hwspinlock_core.c | 62 * @hwlock: an hwspinlock which we want to trylock
92 int __hwspin_trylock(struct hwspinlock *hwlock, int mode, unsigned long *flags) in __hwspin_trylock() argument
96 if (WARN_ON(!hwlock || (!flags && mode == HWLOCK_IRQSTATE))) in __hwspin_trylock()
114 ret = spin_trylock_irqsave(&hwlock->lock, *flags); in __hwspin_trylock()
117 ret = spin_trylock_irq(&hwlock->lock); in __hwspin_trylock()
124 ret = spin_trylock(&hwlock->lock); in __hwspin_trylock()
133 ret = hwlock->bank->ops->trylock(hwlock); in __hwspin_trylock()
135 /* if hwlock is already taken, undo spin_trylock_* and exit */ in __hwspin_trylock()
139 spin_unlock_irqrestore(&hwlock->lock, *flags); in __hwspin_trylock()
142 spin_unlock_irq(&hwlock->lock); in __hwspin_trylock()
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| D | hwspinlock_internal.h | 65 static inline int hwlock_to_id(struct hwspinlock *hwlock) in hwlock_to_id() argument
67 int local_id = hwlock - &hwlock->bank->lock[0]; in hwlock_to_id()
69 return hwlock->bank->base_id + local_id; in hwlock_to_id()
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| D | u8500_hsem.c | 89 struct hwspinlock *hwlock; in u8500_hsem_probe() local
115 for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++) in u8500_hsem_probe()
116 hwlock->priv = io_base + HSEM_REGISTER_OFFSET + sizeof(u32) * i; in u8500_hsem_probe()
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| D | sun6i_hwspinlock.c | 94 struct hwspinlock *hwlock; in sun6i_hwspinlock_probe() local
165 hwlock = &priv->bank->lock[i]; in sun6i_hwspinlock_probe()
166 hwlock->priv = io_base + SPINLOCK_LOCK_REGN + sizeof(u32) * i; in sun6i_hwspinlock_probe()
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| /linux-6.12.1/Documentation/locking/ |
| D | hwspinlock.rst | 80 int hwspin_lock_free(struct hwspinlock *hwlock);
90 int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id);
101 int hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int timeout);
117 int hwspin_lock_timeout_irq(struct hwspinlock *hwlock, unsigned int timeout);
132 int hwspin_lock_timeout_irqsave(struct hwspinlock *hwlock, unsigned int to,
150 int hwspin_lock_timeout_raw(struct hwspinlock *hwlock, unsigned int timeout);
167 int hwspin_lock_timeout_in_atomic(struct hwspinlock *hwlock, unsigned int to);
183 int hwspin_trylock(struct hwspinlock *hwlock);
200 int hwspin_trylock_irq(struct hwspinlock *hwlock);
217 int hwspin_trylock_irqsave(struct hwspinlock *hwlock, unsigned long *flags);
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| /linux-6.12.1/drivers/spi/ |
| D | spi-sprd-adi.c | 149 struct hwspinlock *hwlock; member
224 if (sadi->hwlock) { in sprd_adi_read()
225 ret = hwspin_lock_timeout_irqsave(sadi->hwlock, in sprd_adi_read()
279 if (sadi->hwlock) in sprd_adi_read()
280 hwspin_unlock_irqrestore(sadi->hwlock, &flags); in sprd_adi_read()
290 if (sadi->hwlock) { in sprd_adi_write()
291 ret = hwspin_lock_timeout_irqsave(sadi->hwlock, in sprd_adi_write()
328 if (sadi->hwlock) in sprd_adi_write()
329 hwspin_unlock_irqrestore(sadi->hwlock, &flags); in sprd_adi_write()
552 sadi->hwlock = in sprd_adi_probe()
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| /linux-6.12.1/drivers/pinctrl/stm32/ |
| D | pinctrl-stm32.c | 116 struct hwspinlock *hwlock; member
433 if (pctl->hwlock) { in stm32_gpio_domain_activate()
434 ret = hwspin_lock_timeout_in_atomic(pctl->hwlock, in stm32_gpio_domain_activate()
444 if (pctl->hwlock) in stm32_gpio_domain_activate()
445 hwspin_unlock_in_atomic(pctl->hwlock); in stm32_gpio_domain_activate()
767 if (pctl->hwlock) { in stm32_pmx_set_mode()
768 err = hwspin_lock_timeout_in_atomic(pctl->hwlock, in stm32_pmx_set_mode()
786 if (pctl->hwlock) in stm32_pmx_set_mode()
787 hwspin_unlock_in_atomic(pctl->hwlock); in stm32_pmx_set_mode()
900 if (pctl->hwlock) { in stm32_pconf_set_driving()
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| /linux-6.12.1/drivers/nvmem/ |
| D | sprd-efuse.c | 66 struct hwspinlock *hwlock; member
89 ret = hwspin_lock_timeout_raw(efuse->hwlock, in sprd_efuse_lock()
102 hwspin_unlock_raw(efuse->hwlock); in sprd_efuse_unlock()
386 dev_err(&pdev->dev, "failed to get hwlock id\n"); in sprd_efuse_probe()
390 efuse->hwlock = devm_hwspin_lock_request_specific(&pdev->dev, ret); in sprd_efuse_probe()
391 if (!efuse->hwlock) { in sprd_efuse_probe()
392 dev_err(&pdev->dev, "failed to request hwlock\n"); in sprd_efuse_probe()
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| D | sc27xx-efuse.c | 64 struct hwspinlock *hwlock; member
89 ret = hwspin_lock_timeout_raw(efuse->hwlock, in sc27xx_efuse_lock()
102 hwspin_unlock_raw(efuse->hwlock); in sc27xx_efuse_unlock()
232 efuse->hwlock = devm_hwspin_lock_request_specific(&pdev->dev, ret); in sc27xx_efuse_probe()
233 if (!efuse->hwlock) { in sc27xx_efuse_probe()
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| /linux-6.12.1/drivers/isdn/hardware/mISDN/ |
| D | mISDNisar.c | 200 spin_lock_irqsave(isar->hwlock, flags); in load_firmware()
202 spin_unlock_irqrestore(isar->hwlock, flags); in load_firmware()
217 spin_lock_irqsave(isar->hwlock, flags); in load_firmware()
229 spin_unlock_irqrestore(isar->hwlock, flags); in load_firmware()
258 spin_lock_irqsave(isar->hwlock, flags); in load_firmware()
269 spin_unlock_irqrestore(isar->hwlock, flags); in load_firmware()
289 spin_lock_irqsave(isar->hwlock, flags); in load_firmware()
311 spin_unlock_irqrestore(isar->hwlock, flags); in load_firmware()
329 spin_lock_irqsave(isar->hwlock, flags); in load_firmware()
335 spin_unlock_irqrestore(isar->hwlock, flags); in load_firmware()
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| D | mISDNipac.c | 565 spin_lock_irqsave(isac->hwlock, flags); in isac_l1hw()
571 spin_unlock_irqrestore(isac->hwlock, flags); in isac_l1hw()
574 spin_unlock_irqrestore(isac->hwlock, flags); in isac_l1hw()
599 spin_lock_irqsave(isac->hwlock, flags); in isac_ctrl()
613 spin_unlock_irqrestore(isac->hwlock, flags); in isac_ctrl()
635 spin_lock_irqsave(isac->hwlock, flags); in isac_l1cmd()
637 spin_unlock_irqrestore(isac->hwlock, flags); in isac_l1cmd()
640 spin_lock_irqsave(isac->hwlock, flags); in isac_l1cmd()
642 spin_unlock_irqrestore(isac->hwlock, flags); in isac_l1cmd()
645 spin_lock_irqsave(isac->hwlock, flags); in isac_l1cmd()
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| /linux-6.12.1/drivers/irqchip/ |
| D | irq-stm32mp-exti.c | 74 struct hwspinlock *hwlock; member
372 struct hwspinlock *hwlock = chip_data->host_data->hwlock; in stm32mp_exti_set_type() local
379 if (hwlock) { in stm32mp_exti_set_type()
380 err = hwspin_lock_timeout_in_atomic(hwlock, HWSPNLCK_TIMEOUT); in stm32mp_exti_set_type()
396 if (hwlock) in stm32mp_exti_set_type()
397 hwspin_unlock_in_atomic(hwlock); in stm32mp_exti_set_type()
645 host_data->hwlock = devm_hwspin_lock_request_specific(dev, ret); in stm32mp_exti_probe()
646 if (!host_data->hwlock) { in stm32mp_exti_probe()
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| /linux-6.12.1/Documentation/devicetree/bindings/nvmem/ |
| D | sprd-efuse.txt | 8 - hwlocks: Reference to a phandle of a hwlock provider node.
20 hwlocks = <&hwlock 8>;
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| D | sc27xx-efuse.txt | 11 - hwlocks: Reference to a phandle of a hwlock provider node.
34 hwlocks = <&hwlock 12>;
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| /linux-6.12.1/arch/arm64/boot/dts/sprd/ |
| D | whale2.dtsi | 177 hwlocks = <&hwlock 0>;
178 hwlock-names = "adi";
196 hwlock: hwspinlock@40500000 { label
199 #hwlock-cells = <1>;
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| /linux-6.12.1/Documentation/devicetree/bindings/iio/adc/ |
| D | sprd,sc2720-adc.yaml | 94 hwlocks = <&hwlock 4>;
111 hwlocks = <&hwlock 4>;
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| /linux-6.12.1/drivers/soc/qcom/ |
| D | smem.c | 267 * @hwlock: reference to a hwspinlock
279 struct hwspinlock *hwlock; member
384 return hwspin_lock_bust(__smem->hwlock, SMEM_HOST_ID_TO_HWSPINLOCK_ID(host)); in qcom_smem_bust_hwspin_lock_by_host()
521 ret = hwspin_lock_timeout_irqsave(__smem->hwlock, in qcom_smem_alloc()
537 hwspin_unlock_irqrestore(__smem->hwlock, &flags); in qcom_smem_alloc()
1185 dev_err(&pdev->dev, "failed to retrieve hwlock\n"); in qcom_smem_probe()
1189 smem->hwlock = hwspin_lock_request_specific(hwlock_id); in qcom_smem_probe()
1190 if (!smem->hwlock) in qcom_smem_probe()
1193 ret = hwspin_lock_timeout_irqsave(smem->hwlock, HWSPINLOCK_TIMEOUT, &flags); in qcom_smem_probe()
1197 hwspin_unlock_irqrestore(smem->hwlock, &flags); in qcom_smem_probe()
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| /linux-6.12.1/Documentation/devicetree/bindings/spi/ |
| D | sprd,spi-adi.yaml | 61 hwlock-names:
97 hwlock-names = "adi";
|