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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/i2c/
Di2c-arb-gpio-challenge.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-arb-gpio-challenge.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
10 - Doug Anderson <dianders@chromium.org>
11 - Peter Rosin <peda@axentia.se>
18 standard I2C multi-master rules. Using GPIOs is generally useful in the case
30 others can see. These are all active low with pull-ups enabled. We'll
47 6. Go back to 1 (until retry time has expired).
[all …]
/kernel/linux/linux-5.10/drivers/spi/
Dspi-dw-dma.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/dma-mapping.h>
14 #include <linux/platform_data/dma-dw.h>
18 #include "spi-dw.h"
29 if (s->dma_dev != chan->device->dev) in dw_spi_dma_chan_filter()
32 chan->private = s; in dw_spi_dma_chan_filter()
42 def_burst = dws->fifo_len / 2; in dw_spi_dma_maxburst_init()
44 ret = dma_get_slave_caps(dws->rxchan, &caps); in dw_spi_dma_maxburst_init()
50 dws->rxburst = min(max_burst, def_burst); in dw_spi_dma_maxburst_init()
51 dw_writel(dws, DW_SPI_DMARDLR, dws->rxburst - 1); in dw_spi_dma_maxburst_init()
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/i2c/
Di2c-arb-gpio-challenge.txt1 GPIO-based I2C Arbitration Using a Challenge & Response Mechanism
7 the standard I2C multi-master rules. Using GPIOs is generally useful in
21 others can see. These are all active low with pull-ups enabled. We'll
24 - OUR_CLAIM: output from us signaling to other hosts that we want the bus
25 - THEIR_CLAIMS: output from others signaling that they want the bus
39 6. Go back to 1 (until retry time has expired).
43 - compatible: i2c-arb-gpio-challenge
44 - our-claim-gpio: The GPIO that we use to claim the bus.
45 - their-claim-gpios: The GPIOs that the other sides use to claim the bus.
47 - I2C arbitration bus node. See i2c-arb.txt in this directory.
[all …]
/kernel/linux/linux-6.6/drivers/rtc/
Drtc-sun4v.c1 // SPDX-License-Identifier: GPL-2.0
2 /* rtc-sun4v.c: Hypervisor based RTC for SUN4V systems.
12 #include <linux/delay.h>
24 retry: in hypervisor_get_time()
29 if (--retries > 0) { in hypervisor_get_time()
31 goto retry; in hypervisor_get_time()
51 retry: in hypervisor_set_time()
56 if (--retries > 0) { in hypervisor_set_time()
58 goto retry; in hypervisor_set_time()
61 return -EAGAIN; in hypervisor_set_time()
[all …]
/kernel/linux/linux-5.10/drivers/rtc/
Drtc-sun4v.c1 // SPDX-License-Identifier: GPL-2.0
2 /* rtc-sun4v.c: Hypervisor based RTC for SUN4V systems.
12 #include <linux/delay.h>
24 retry: in hypervisor_get_time()
29 if (--retries > 0) { in hypervisor_get_time()
31 goto retry; in hypervisor_get_time()
51 retry: in hypervisor_set_time()
56 if (--retries > 0) { in hypervisor_set_time()
58 goto retry; in hypervisor_set_time()
61 return -EAGAIN; in hypervisor_set_time()
[all …]
/kernel/linux/linux-6.6/drivers/spi/
Dspi-dw-dma.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/dma-mapping.h>
15 #include <linux/platform_data/dma-dw.h>
19 #include "spi-dw.h"
30 if (s->dma_dev != chan->device->dev) in dw_spi_dma_chan_filter()
33 chan->private = s; in dw_spi_dma_chan_filter()
43 def_burst = dws->fifo_len / 2; in dw_spi_dma_maxburst_init()
45 ret = dma_get_slave_caps(dws->rxchan, &caps); in dw_spi_dma_maxburst_init()
51 dws->rxburst = min(max_burst, def_burst); in dw_spi_dma_maxburst_init()
52 dw_writel(dws, DW_SPI_DMARDLR, dws->rxburst - 1); in dw_spi_dma_maxburst_init()
[all …]
/kernel/linux/linux-6.6/drivers/input/touchscreen/
Dhynitron_cstxxx.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * are undocumented. This is essentially a cleaned-up version of the
11 * device-specific functions replated with generic functions wherever
15 #include <linux/delay.h>
37 /* Data generic to all (supported and non-supported) controllers. */
69 * Hard coded reset delay value of 20ms not IC dependent in
72 static void hyn_reset_proc(struct i2c_client *client, int delay) in hyn_reset_proc() argument
76 gpiod_set_value_cansleep(ts_data->reset_gpio, 1); in hyn_reset_proc()
78 gpiod_set_value_cansleep(ts_data->reset_gpio, 0); in hyn_reset_proc()
79 if (delay) in hyn_reset_proc()
[all …]
/kernel/linux/linux-6.6/drivers/usb/core/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
30 Documentation/driver-api/usb/persist.rst for more info.
39 to initialize and enumerate it, with lots of nested retry loops.
41 This option tells the kernel to make only a few retry attempts,
45 Say N here unless you require new-device enumeration failure to
64 "Dual-Role" device, which can act as either a device
69 Select this only if your board has Mini-AB/Micro-AB
97 Implements OTG Finite State Machine as specified in On-The-Go
109 int "Default autosuspend delay"
113 The default autosuspend delay in seconds. Can be overridden
[all …]
/kernel/linux/linux-5.10/drivers/usb/core/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
30 Documentation/driver-api/usb/persist.rst for more info.
39 to initialize and enumerate it, with lots of nested retry loops.
41 This option tells the kernel to make only a few retry attempts,
45 Say N here unless you require new-device enumeration failure to
64 "Dual-Role" device, which can act as either a device
69 Select this only if your board has Mini-AB/Micro-AB
97 Implements OTG Finite State Machine as specified in On-The-Go
109 int "Default autosuspend delay"
113 The default autosuspend delay in seconds. Can be overridden
[all …]
/kernel/linux/linux-6.6/drivers/gpu/drm/ci/
Dgitlab-ci.yml2 DRM_CI_PROJECT_PATH: &drm-ci-project-path mesa/mesa
3 DRM_CI_COMMIT_SHA: &drm-ci-commit-sha edfbf74df1d4d6ce54ffe24566108be0e1a98c3d
6 TARGET_BRANCH: drm-next
10 DEQP_RUNNER_GIT_URL: https://gitlab.freedesktop.org/anholt/deqp-runner.git
13 FDO_UPSTREAM_REPO: helen.fornazier/linux # The repo where the git-archive daily runs
14 MESA_TEMPLATES_COMMIT: &ci-templates-commit d5aa3941aa03c2f716595116354fb81eb8012acb
16 CI_PRE_CLONE_SCRIPT: |-
17 set -o xtrace
18 …-L --retry 4 -f --retry-all-errors --retry-delay 60 -s ${DRM_CI_PROJECT_URL}/-/raw/${DRM_CI_COMMIT…
19 bash download-git-cache.sh
[all …]
Dlava-submit.sh2 # SPDX-License-Identifier: MIT
4 set -e
5 set -x
9 if curl -L --retry 4 -f --retry-all-errors --retry-delay 60 -s "https://${BASE_SYSTEM_MAINLINE_HOST…
15 rm -rf results
16 mkdir -p results/job-rootfs-overlay/
18 cp artifacts/ci-common/capture-devcoredump.sh results/job-rootfs-overlay/
19 cp artifacts/ci-common/init-*.sh results/job-rootfs-overlay/
20 cp artifacts/ci-common/intel-gpu-freq.sh results/job-rootfs-overlay/
21 cp "$SCRIPTS_DIR"/setup-test-env.sh results/job-rootfs-overlay/
[all …]
Digt_runner.sh2 # SPDX-License-Identifier: MIT
4 set -ex
8 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/igt/lib/aarch64-linux-gnu/:/igt/lib/x86_64-linux-gnu:/igt/…
12 ls -l /dev/dri/
21 set -e
29 if [ -e "/install/xfails/$DRIVER_NAME-$GPU_VERSION-skips.txt" ]; then
30 IGT_SKIPS="--skips /install/xfails/$DRIVER_NAME-$GPU_VERSION-skips.txt"
33 if [ -e "/install/xfails/$DRIVER_NAME-$GPU_VERSION-flakes.txt" ]; then
34 IGT_FLAKES="--flakes /install/xfails/$DRIVER_NAME-$GPU_VERSION-flakes.txt"
37 if [ -e "/install/xfails/$DRIVER_NAME-$GPU_VERSION-fails.txt" ]; then
[all …]
/kernel/linux/linux-6.6/drivers/gpu/drm/ast/
Dast_dp501.c1 // SPDX-License-Identifier: GPL-2.0
3 #include <linux/delay.h>
15 release_firmware(ast->dp501_fw); in ast_release_firmware()
16 ast->dp501_fw = NULL; in ast_release_firmware()
24 ret = request_firmware(&ast->dp501_fw, "ast_dp501_fw.bin", dev->dev); in ast_load_dp501_microcode()
28 return devm_add_action_or_reset(dev->dev, ast_release_firmware, ast); in ast_load_dp501_microcode()
50 u32 retry = 0; in wait_ack() local
55 } while ((!waitack) && (retry++ < 1000)); in wait_ack()
57 if (retry < 1000) in wait_ack()
66 u32 retry = 0; in wait_nack() local
[all …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/qcom/
Dpm8941.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/iio/qcom,spmi-vadc.h>
3 #include <dt-bindings/interrupt-controller/irq.h>
4 #include <dt-bindings/spmi/spmi.h>
8 thermal-zones {
9 pm8941-thermal {
10 polling-delay-passive = <100>;
11 polling-delay = <0>;
12 thermal-sensors = <&pm8941_temp>;
40 compatible = "qcom,pm8941", "qcom,spmi-pmic";
[all …]
/kernel/linux/linux-5.10/sound/soc/rockchip/
Drockchip_i2s.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * ALSA SoC Audio Layer - Rockchip I2S Controller driver
7 * Author: Jianqun <jay.xu@rock-chips.com>
12 #include <linux/delay.h>
24 #define DRV_NAME "rockchip-i2s"
58 regcache_cache_only(i2s->regmap, true); in i2s_runtime_suspend()
59 clk_disable_unprepare(i2s->mclk); in i2s_runtime_suspend()
69 ret = clk_prepare_enable(i2s->mclk); in i2s_runtime_resume()
71 dev_err(i2s->dev, "clock enable failed %d\n", ret); in i2s_runtime_resume()
75 regcache_cache_only(i2s->regmap, false); in i2s_runtime_resume()
[all …]
/kernel/linux/linux-5.10/arch/arm/boot/dts/
Dqcom-pm8941.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/iio/qcom,spmi-vadc.h>
3 #include <dt-bindings/interrupt-controller/irq.h>
4 #include <dt-bindings/spmi/spmi.h>
9 compatible = "qcom,pm8941", "qcom,spmi-pmic";
11 #address-cells = <1>;
12 #size-cells = <0>;
15 compatible = "qcom,pm8941-rtc";
18 reg-names = "rtc", "alarm";
23 compatible = "qcom,pm8941-pwrkey";
[all …]
/kernel/linux/linux-5.10/drivers/gpu/drm/ast/
Dast_dp501.c1 // SPDX-License-Identifier: GPL-2.0
3 #include <linux/delay.h>
15 release_firmware(ast->dp501_fw); in ast_release_firmware()
16 ast->dp501_fw = NULL; in ast_release_firmware()
24 ret = request_firmware(&ast->dp501_fw, "ast_dp501_fw.bin", dev->dev); in ast_load_dp501_microcode()
28 return devm_add_action_or_reset(dev->dev, ast_release_firmware, ast); in ast_load_dp501_microcode()
50 u32 retry = 0; in wait_ack() local
55 } while ((!waitack) && (retry++ < 1000)); in wait_ack()
57 if (retry < 1000) in wait_ack()
66 u32 retry = 0; in wait_nack() local
[all …]
/kernel/linux/linux-5.10/arch/mips/pci/
Dops-rc32434.c28 #include <linux/delay.h>
34 #include <asm/mach-rc32434/rc32434.h>
35 #include <asm/mach-rc32434/pci.h>
42 (rc32434_pci->pcicfga = (0x80000000 | \
54 PCI_CFG_SET(bus->number, slot, func, where); in config_access()
58 rc32434_pci->pcicfgd = *data; in config_access()
60 *data = rc32434_pci->pcicfgd; in config_access()
98 int delay = 1; in read_config_dword() local
104 if (bus->number == 0 && PCI_SLOT(devfn) > 21) in read_config_dword()
107 retry: in read_config_dword()
[all …]
/kernel/linux/linux-6.6/arch/mips/pci/
Dops-rc32434.c28 #include <linux/delay.h>
34 #include <asm/mach-rc32434/rc32434.h>
35 #include <asm/mach-rc32434/pci.h>
42 (rc32434_pci->pcicfga = (0x80000000 | \
54 PCI_CFG_SET(bus->number, slot, func, where); in config_access()
58 rc32434_pci->pcicfgd = *data; in config_access()
60 *data = rc32434_pci->pcicfgd; in config_access()
98 int delay = 1; in read_config_dword() local
104 if (bus->number == 0 && PCI_SLOT(devfn) > 21) in read_config_dword()
107 retry: in read_config_dword()
[all …]
/kernel/linux/linux-5.10/drivers/scsi/lpfc/
Dlpfc_els.c4 * Copyright (C) 2017-2020 Broadcom. All Rights Reserved. The term *
6 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
9 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
17 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
23 /* See Fibre Channel protocol T11 FC-LS for details */
55 struct lpfc_nodelist *ndlp, uint8_t retry);
62 * lpfc_els_chk_latt - Check host link attention event for a vport
80 * 0 - no host link attention event happened
81 * 1 - host link attention event happened
87 struct lpfc_hba *phba = vport->phba; in lpfc_els_chk_latt()
[all …]
/kernel/linux/linux-6.6/drivers/net/ethernet/stmicro/stmmac/
Ddwmac-qcom-ethqos.c1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2018-19, Linaro Limited
126 return readl(ethqos->rgmii_base + offset); in rgmii_readl()
132 writel(value, ethqos->rgmii_base + offset); in rgmii_writel()
148 struct device *dev = &ethqos->pdev->dev; in rgmii_dump()
181 ethqos->link_clk_rate = RGMII_1000_NOM_CLK_FREQ; in ethqos_update_link_clk()
185 ethqos->link_clk_rate = RGMII_ID_MODE_100_LOW_SVS_CLK_FREQ; in ethqos_update_link_clk()
189 ethqos->link_clk_rate = RGMII_ID_MODE_10_LOW_SVS_CLK_FREQ; in ethqos_update_link_clk()
193 clk_set_rate(ethqos->link_clk, ethqos->link_clk_rate); in ethqos_update_link_clk()
199 if (!ethqos->needs_sgmii_loopback || in qcom_ethqos_set_sgmii_loopback()
[all …]
/kernel/linux/linux-6.6/arch/sparc/kernel/
Ditlb_miss.S1 /* SPDX-License-Identifier: GPL-2.0 */
8 srlx %g6, 22, %g6 ! Delay slot
18 nop ! Delay slot, fill me
20 retry ! Trap done
/kernel/linux/linux-5.10/arch/sparc/kernel/
Ditlb_miss.S1 /* SPDX-License-Identifier: GPL-2.0 */
8 srlx %g6, 22, %g6 ! Delay slot
18 nop ! Delay slot, fill me
20 retry ! Trap done
/kernel/linux/linux-6.6/drivers/net/wireless/intel/iwlwifi/mvm/
Dtdls.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
5 * Copyright (C) 2018-2020, 2022 Intel Corporation
9 #include "time-event.h"
10 #include "iwl-io.h"
11 #include "iwl-prph.h"
22 lockdep_assert_held(&mvm->mutex); in iwl_mvm_teardown_tdls_peers()
24 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { in iwl_mvm_teardown_tdls_peers()
25 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], in iwl_mvm_teardown_tdls_peers()
26 lockdep_is_held(&mvm->mutex)); in iwl_mvm_teardown_tdls_peers()
27 if (!sta || IS_ERR(sta) || !sta->tdls) in iwl_mvm_teardown_tdls_peers()
[all …]
/kernel/linux/linux-6.6/drivers/gpu/drm/
Ddrm_self_refresh_helper.c1 // SPDX-License-Identifier: MIT
31 * &drm_connector_state.self_refresh_aware to true at runtime if it is SR-aware
38 * that tells you to disable/enable SR on the panel instead of power-cycling it.
72 struct drm_crtc *crtc = sr_data->crtc; in drm_self_refresh_helper_entry_work()
73 struct drm_device *dev = crtc->dev; in drm_self_refresh_helper_entry_work()
85 ret = -ENOMEM; in drm_self_refresh_helper_entry_work()
89 retry: in drm_self_refresh_helper_entry_work()
90 state->acquire_ctx = &ctx; in drm_self_refresh_helper_entry_work()
98 if (!crtc_state->enable) in drm_self_refresh_helper_entry_work()
106 if (!conn_state->self_refresh_aware) in drm_self_refresh_helper_entry_work()
[all …]

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