mwifiex: check next packet length for usb tx aggregation - linux-dev - Linux kernel development work

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author	Xinming Hu <huxm@marvell.com>	2017-05-23 07:12:34 +0000
committer	Kalle Valo <kvalo@codeaurora.org>	2017-05-31 16:54:09 +0300
commit	822446d4ff2b1924f8fe16ebb60675f8c3c7b34f (patch)
tree	a6a55d1063ff4279c0c3770d62ae841e425fcfc6 /tools/perf/scripts/python/event_analyzing_sample.py
parent	mwifiex: usb: add timer to flush aggregation packets (diff)

mwifiex: check next packet length for usb tx aggregation

The next packet length will be used by interface driver, to check if the next packet still could be aggregated. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')

0 files changed, 0 insertions, 0 deletions

// SPDX-License-Identifier: GPL-2.0 // // Device driver for regulators in Hi6421V530 IC // // Copyright (c) <2017> HiSilicon Technologies Co., Ltd. // http://www.hisilicon.com // Copyright (c) <2017> Linaro Ltd. // https://www.linaro.org // // Author: Wang Xiaoyin <hw.wangxiaoyin@hisilicon.com> // Guodong Xu <guodong.xu@linaro.org> #include <linux/mfd/hi6421-pmic.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/regulator/driver.h> /* * struct hi6421v530_regulator_info - hi6421v530 regulator information * @desc: regulator description * @mode_mask: ECO mode bitmask of LDOs; for BUCKs, this masks sleep */ struct hi6421v530_regulator_info { struct regulator_desc rdesc; u8 mode_mask; }; /* HI6421v530 regulators */ enum hi6421v530_regulator_id { HI6421V530_LDO3, HI6421V530_LDO9, HI6421V530_LDO11, HI6421V530_LDO15, HI6421V530_LDO16, }; static const unsigned int ldo_3_voltages[] = { 1800000, 1825000, 1850000, 1875000, 1900000, 1925000, 1950000, 1975000, 2000000, 2025000, 2050000, 2075000, 2100000, 2125000, 2150000, 2200000, }; static const unsigned int ldo_9_11_voltages[] = { 1750000, 1800000, 1825000, 2800000, 2850000, 2950000, 3000000, 3300000, }; static const unsigned int ldo_15_16_voltages[] = { 1750000, 1800000, 2400000, 2600000, 2700000, 2850000, 2950000, 3000000, }; static const struct regulator_ops hi6421v530_ldo_ops; #define HI6421V530_LDO_ENABLE_TIME (350) /* * _id - LDO id name string * v_table - voltage table * vreg - voltage select register * vmask - voltage select mask * ereg - enable register * emask - enable mask * odelay - off/on delay time in uS * ecomask - eco mode mask */ #define HI6421V530_LDO(_ID, v_table, vreg, vmask, ereg, emask, \ odelay, ecomask) { \ .rdesc = { \ .name = #_ID, \ .of_match = of_match_ptr(#_ID), \ .regulators_node = of_match_ptr("regulators"), \ .ops = &hi6421v530_ldo_ops, \ .type = REGULATOR_VOLTAGE, \ .id = HI6421V530_##_ID, \ .owner = THIS_MODULE, \ .n_voltages = ARRAY_SIZE(v_table), \ .volt_table = v_table, \ .vsel_reg = HI6421_REG_TO_BUS_ADDR(vreg), \ .vsel_mask = vmask, \ .enable_reg = HI6421_REG_TO_BUS_ADDR(ereg), \ .enable_mask = emask, \ .enable_time = HI6421V530_LDO_ENABLE_TIME, \ .off_on_delay = odelay, \ }, \ .mode_mask = ecomask, \ } /* HI6421V530 regulator information */ static const struct hi6421v530_regulator_info hi6421v530_regulator_info[] = { HI6421V530_LDO(LDO3, ldo_3_voltages, 0x061, 0xf, 0x060, 0x2, 20000, 0x6), HI6421V530_LDO(LDO9, ldo_9_11_voltages, 0x06b, 0x7, 0x06a, 0x2, 40000, 0x6), HI6421V530_LDO(LDO11, ldo_9_11_voltages, 0x06f, 0x7, 0x06e, 0x2, 40000, 0x6), HI6421V530_LDO(LDO15, ldo_15_16_voltages, 0x077, 0x7, 0x076, 0x2, 40000, 0x6), HI6421V530_LDO(LDO16, ldo_15_16_voltages, 0x079, 0x7, 0x078, 0x2, 40000, 0x6), }; static unsigned int hi6421v530_regulator_ldo_get_mode( struct regulator_dev *rdev) { const struct hi6421v530_regulator_info *info; unsigned int reg_val; info = container_of(rdev->desc, struct hi6421v530_regulator_info, rdesc); regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val); if (reg_val & (info->mode_mask)) return REGULATOR_MODE_IDLE; return REGULATOR_MODE_NORMAL; } static int hi6421v530_regulator_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode) { const struct hi6421v530_regulator_info *info; unsigned int new_mode; info = container_of(rdev->desc, struct hi6421v530_regulator_info, rdesc); switch (mode) { case REGULATOR_MODE_NORMAL: new_mode = 0; break; case REGULATOR_MODE_IDLE: new_mode = info->mode_mask; break; default: return -EINVAL; } regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, info->mode_mask, new_mode); return 0; } static const struct regulator_ops hi6421v530_ldo_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .list_voltage = regulator_list_voltage_table, .map_voltage = regulator_map_voltage_ascend, .get_voltage_sel = regulator_get_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap, .get_mode = hi6421v530_regulator_ldo_get_mode, .set_mode = hi6421v530_regulator_ldo_set_mode, }; static int hi6421v530_regulator_probe(struct platform_device *pdev) { struct hi6421_pmic *pmic; struct regulator_dev *rdev; struct regulator_config config = { }; unsigned int i; pmic = dev_get_drvdata(pdev->dev.parent); if (!pmic) { dev_err(&pdev->dev, "no pmic in the regulator parent node\n"); return -ENODEV; } for (i = 0; i < ARRAY_SIZE(hi6421v530_regulator_info); i++) { config.dev = pdev->dev.parent; config.regmap = pmic->regmap; rdev = devm_regulator_register(&pdev->dev, &hi6421v530_regulator_info[i].rdesc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "failed to register regulator %s\n", hi6421v530_regulator_info[i].rdesc.name); return PTR_ERR(rdev); } } return 0; } static const struct platform_device_id hi6421v530_regulator_table[] = { { .name = "hi6421v530-regulator" }, {}, }; MODULE_DEVICE_TABLE(platform, hi6421v530_regulator_table); static struct platform_driver hi6421v530_regulator_driver = { .id_table = hi6421v530_regulator_table, .driver = { .name = "hi6421v530-regulator", .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = hi6421v530_regulator_probe, }; module_platform_driver(hi6421v530_regulator_driver); MODULE_AUTHOR("Wang Xiaoyin <hw.wangxiaoyin@hisilicon.com>"); MODULE_DESCRIPTION("Hi6421v530 regulator driver"); MODULE_LICENSE("GPL v2");


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