/* * Thunderbolt Cactus Ridge driver - control channel and configuration commands * * Copyright (c) 2014 Andreas Noever */ #ifndef _TB_CFG #define _TB_CFG #include "nhi.h" /* control channel */ struct tb_ctl; typedef void (*hotplug_cb)(void *data, u64 route, u8 port, bool unplug); struct tb_ctl *tb_ctl_alloc(struct tb_nhi *nhi, hotplug_cb cb, void *cb_data); void tb_ctl_start(struct tb_ctl *ctl); void tb_ctl_stop(struct tb_ctl *ctl); void tb_ctl_free(struct tb_ctl *ctl); /* configuration commands */ #define TB_CFG_DEFAULT_TIMEOUT 5000 /* msec */ enum tb_cfg_space { TB_CFG_HOPS = 0, TB_CFG_PORT = 1, TB_CFG_SWITCH = 2, TB_CFG_COUNTERS = 3, }; enum tb_cfg_error { TB_CFG_ERROR_PORT_NOT_CONNECTED = 0, TB_CFG_ERROR_INVALID_CONFIG_SPACE = 2, TB_CFG_ERROR_NO_SUCH_PORT = 4, TB_CFG_ERROR_ACK_PLUG_EVENT = 7, /* send as reply to TB_CFG_PKG_EVENT */ TB_CFG_ERROR_LOOP = 8, }; struct tb_cfg_result { u64 response_route; u32 response_port; /* * If err = 1 then this is the port that send the * error. * If err = 0 and if this was a cfg_read/write then * this is the the upstream port of the responding * switch. * Otherwise the field is set to zero. */ int err; /* negative errors, 0 for success, 1 for tb errors */ enum tb_cfg_error tb_error; /* valid if err == 1 */ }; int tb_cfg_error(struct tb_ctl *ctl, u64 route, u32 port, enum tb_cfg_error error); struct tb_cfg_result tb_cfg_reset(struct tb_ctl *ctl, u64 route, int timeout_msec); struct tb_cfg_result tb_cfg_read_raw(struct tb_ctl *ctl, void *buffer, u64 route, u32 port, enum tb_cfg_space space, u32 offset, u32 length, int timeout_msec); struct tb_cfg_result tb_cfg_write_raw(struct tb_ctl *ctl, void *buffer, u64 route, u32 port, enum tb_cfg_space space, u32 offset, u32 length, int timeout_msec); int tb_cfg_read(struct tb_ctl *ctl, void *buffer, u64 route, u32 port, enum tb_cfg_space space, u32 offset, u32 length); int tb_cfg_write(struct tb_ctl *ctl, void *buffer, u64 route, u32 port, enum tb_cfg_space space, u32 offset, u32 length); int tb_cfg_get_upstream_port(struct tb_ctl *ctl, u64 route); #endif tion>
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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2017-01-07 23:03:40 +0200
committerLuca Coelho <luciano.coelho@intel.com>2017-02-08 17:54:20 +0200
commit6eac0e817aee2518a96b5ce9d02b904e0667f370 (patch)
treee53897a589015ff16ccd15b03a9f49306b434fbf
parent04fa3e680b4dd2fdd11d0152fb9b6067e7aac140 (diff)
iwlwifi: make RTPM depend on EXPERT
Enabling the RTPM Kconfig option can be fairly risky. Runtime PM must be validated against a specific platform before it can be safely enabled. Hence, it makes no sense for distros and other big OS vendors to enable it since they ship code to various systems and unknown platform. Make sure that this is hinted properly by making the IWLWIFI_PCIE_RTPM Kconfig option depend on EXPERT. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=172411 Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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