/* SPDX-License-Identifier: GPL-2.0-or-later */ /* ------------------------------------------------------------------------- */ /* adap-pcf.h i2c driver algorithms for PCF8584 adapters */ /* ------------------------------------------------------------------------- */ /* Copyright (C) 1995-97 Simon G. Vogl 1998-99 Hans Berglund */ /* ------------------------------------------------------------------------- */ /* With some changes from Kyösti Mälkki and even Frodo Looijaard */ #ifndef _LINUX_I2C_ALGO_PCF_H #define _LINUX_I2C_ALGO_PCF_H struct i2c_algo_pcf_data { void *data; /* private data for lolevel routines */ void (*setpcf) (void *data, int ctl, int val); int (*getpcf) (void *data, int ctl); int (*getown) (void *data); int (*getclock) (void *data); void (*waitforpin) (void *data); void (*xfer_begin) (void *data); void (*xfer_end) (void *data); /* Multi-master lost arbitration back-off delay (msecs) * This should be set by the bus adapter or knowledgable client * if bus is multi-mastered, else zero */ unsigned long lab_mdelay; }; int i2c_pcf_add_bus(struct i2c_adapter *); #endif /* _LINUX_I2C_ALGO_PCF_H */ sitory.Russell King
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authorEdward Cree <ecree@solarflare.com>2020-02-17 13:43:10 +0000
committerDavid S. Miller <davem@davemloft.net>2020-02-17 14:35:23 -0800
commitb7683155517c09c7e0f9d791eaab6dab3b4b2477 (patch)
treecea3ca29b8db6619ce2b9f90695c919f0f3d1fd1 /drivers/net/ethernet/netronome/nfp/bpf
parentbd706ff8ea2b6e2d3f21f0863b2fc42f860f8ba2 (diff)
sfc: only schedule asynchronous filter work if needed
Prevent excessive CPU time spent running a workitem with nothing to do. We avoid any races by keeping the same check in efx_filter_rfs_expire(). Suggested-by: Martin Habets <mhabets@solarflare.com> Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf')