/****************************************************************************** AudioScience HPI driver Copyright (C) 1997-2012 AudioScience Inc. This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation; This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA HPI Operating System function implementation for Linux (C) Copyright AudioScience Inc. 1997-2003 ******************************************************************************/ #define SOURCEFILE_NAME "hpios.c" #include "hpi_internal.h" #include "hpidebug.h" #include #include void hpios_delay_micro_seconds(u32 num_micro_sec) { if ((usecs_to_jiffies(num_micro_sec) > 1) && !in_interrupt()) { /* MUST NOT SCHEDULE IN INTERRUPT CONTEXT! */ schedule_timeout_uninterruptible(usecs_to_jiffies (num_micro_sec)); } else if (num_micro_sec <= 2000) udelay(num_micro_sec); else mdelay(num_micro_sec / 1000); } /** Allocate an area of locked memory for bus master DMA operations. If allocation fails, return 1, and *pMemArea.size = 0 */ u16 hpios_locked_mem_alloc(struct consistent_dma_area *p_mem_area, u32 size, struct pci_dev *pdev) { /*?? any benefit in using managed dmam_alloc_coherent? */ p_mem_area->vaddr = dma_alloc_coherent(&pdev->dev, size, &p_mem_area->dma_handle, GFP_DMA32 | GFP_KERNEL); if (p_mem_area->vaddr) { HPI_DEBUG_LOG(DEBUG, "allocated %d bytes, dma 0x%x vma %p\n", size, (unsigned int)p_mem_area->dma_handle, p_mem_area->vaddr); p_mem_area->pdev = &pdev->dev; p_mem_area->size = size; return 0; } else { HPI_DEBUG_LOG(WARNING, "failed to allocate %d bytes locked memory\n", size); p_mem_area->size = 0; return 1; } } u16 hpios_locked_mem_free(struct consistent_dma_area *p_mem_area) { if (p_mem_area->size) { dma_free_coherent(p_mem_area->pdev, p_mem_area->size, p_mem_area->vaddr, p_mem_area->dma_handle); HPI_DEBUG_LOG(DEBUG, "freed %lu bytes, dma 0x%x vma %p\n", (unsigned long)p_mem_area->size, (unsigned int)p_mem_area->dma_handle, p_mem_area->vaddr); p_mem_area->size = 0; return 0; } else { return 1; } } it/commit/?id=1bae6c99decf9137069646b593d3439171a8a8e2'>root/net/wireless/mlme.c
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authorDavid S. Miller <davem@davemloft.net>2017-01-30 22:05:52 -0500
committerDavid S. Miller <davem@davemloft.net>2017-01-30 22:05:52 -0500
commit1bae6c99decf9137069646b593d3439171a8a8e2 (patch)
tree431604a568cd2303973470de326bd9731370a025 /net/wireless/mlme.c
parent63c190429020a9701b42887ac22c28f287f1762f (diff)
parent2b2d3eb41c920b47df2fcedd1489cf748bd09466 (diff)
Merge branch 'sh_eth-E-DMAC-interrupt-mask-cleanups'
Sergei Shtylyov says: ==================== sh_eth: E-DMAC interrupt mask cleanups Here's a set of 3 patches against DaveM's 'net-next.git' repo. The main goal of this set is to stop using the bare numbers for the E-DMAC interrupt masks. [1/3] sh_eth: rename EESIPR bits [2/3] sh_eth: add missing EESIPR bits [3/3] sh_eth: stop using bare numbers for EESIPR values ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/wireless/mlme.c')