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OpenCloudOS-Kernel
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staging: csr: remove CsrMemAllocDma() 

It's just a call to kmalloc(, GFP_KERNEL | GFP_DMA);

But, all memory allocated by kmalloc can be DMAed, and that's not what
GFP_DMA means, so remove that flag, and just call kmalloc(, GFP_KERNEL);

Cc: Mikko Virkkilä <mikko.virkkila@bluegiga.com>
Cc: Lauri Hintsala <Lauri.Hintsala@bluegiga.com>
Cc: Riku Mettälä <riku.mettala@bluegiga.com>
Cc: Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2012-07-20 15:47:35 -07:00
parent 7de2c5b6ae
commit 4becf12de1
5 changed files with 4 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/staging/csr/csr_framework_ext.c
View File

@ -146,21 +146,3 @@ void CsrThreadSleep(u16 sleepTimeInMs)
schedule_timeout_uninterruptible(t);
}
EXPORT_SYMBOL_GPL(CsrThreadSleep);
/*----------------------------------------------------------------------------*
* NAME
* CsrMemAllocDma
*
* DESCRIPTION
* Allocate DMA capable dynamic memory of a given size.
*
* RETURNS
* Pointer to allocated memory, or NULL in case of failure.
* Allocated memory is not initialised.
*
*----------------------------------------------------------------------------*/
void *CsrMemAllocDma(size_t size)
{
return kmalloc(size, GFP_KERNEL | GFP_DMA);
}
EXPORT_SYMBOL_GPL(CsrMemAllocDma);

31
drivers/staging/csr/csr_framework_ext.h
View File

@ -241,37 +241,6 @@ CsrResult CsrThreadEqual(CsrThreadHandle *threadHandle1, CsrThreadHandle *thread
*----------------------------------------------------------------------------*/
void CsrThreadSleep(u16 sleepTimeInMs);
#ifndef CSR_PMEM_DEBUG_ENABLE
/*----------------------------------------------------------------------------*
* NAME
* CsrMemAllocDma
*
* DESCRIPTION
* Allocate dynamic memory suitable for DMA transfers.
*
* RETURNS
* Pointer to allocated memory, or NULL in case of failure.
* Allocated memory is not initialised.
*
*----------------------------------------------------------------------------*/
#ifdef CSR_MEM_DEBUG
void *CsrMemAllocDmaDebug(size_t size,
const char *file, u32 line);
#define CsrMemAllocDma(sz) CsrMemAllocDmaDebug((sz), __FILE__, __LINE__)
#else
void *CsrMemAllocDma(size_t size);
#endif
#else
#include "csr_pmem.h"
#define CsrMemAllocDma(size) CsrPmemDebugAlloc(size, CSR_PMEM_DEBUG_TYPE_MEM_ALLOC_DMA, __FILE__, __LINE__)
#endif
#ifdef __cplusplus
}
#endif

4
drivers/staging/csr/csr_wifi_hip_card_sdio.c
View File

@ -1630,7 +1630,7 @@ static CsrResult card_allocate_memory_resources(card_t *card)
/*
* Allocate memory for the from-host and to-host signal buffers.
*/
card->fh_buffer.buf = CsrMemAllocDma(UNIFI_FH_BUF_SIZE);
card->fh_buffer.buf = kmalloc(UNIFI_FH_BUF_SIZE, GFP_KERNEL);
if (card->fh_buffer.buf == NULL)
{
unifi_error(card->ospriv, "Failed to allocate memory for F-H signals\n");
@ -1641,7 +1641,7 @@ static CsrResult card_allocate_memory_resources(card_t *card)
card->fh_buffer.ptr = card->fh_buffer.buf;
card->fh_buffer.count = 0;
card->th_buffer.buf = CsrMemAllocDma(UNIFI_FH_BUF_SIZE);
card->th_buffer.buf = kmalloc(UNIFI_FH_BUF_SIZE, GFP_KERNEL);
if (card->th_buffer.buf == NULL)
{
unifi_error(card->ospriv, "Failed to allocate memory for T-H signals\n");

2
drivers/staging/csr/csr_wifi_hip_card_sdio_intr.c
View File

@ -1758,7 +1758,7 @@ static CsrResult process_bulk_data_command(card_t *card, const u8 *cmdptr,
if (len != 0 && (dir == UNIFI_SDIO_WRITE) && (((ptrdiff_t)bdslot->os_data_ptr + offset) & 3))
{
host_bulk_data_slot = CsrMemAllocDma(len);
host_bulk_data_slot = kmalloc(len, GFP_KERNEL);
if (!host_bulk_data_slot)
{

2
drivers/staging/csr/csr_wifi_hip_download.c
View File

@ -675,7 +675,7 @@ static CsrResult send_ptdl_to_unifi(card_t *card, void *dlpriv,
return CSR_WIFI_HIP_RESULT_INVALID_VALUE;
}
buf = CsrMemAllocDma(buf_size);
buf = kmalloc(buf_size, GFP_KERNEL);
if (buf == NULL)
{
unifi_error(card->ospriv, "Failed to allocate transfer buffer for firmware download\n");