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media: gspca: Stop using GFP_DMA for buffers for USB bulk transfers

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The recent "x86 ZONE_DMA love" discussion at LSF/MM pointed out that some
gspca sub-drivvers are using GFP_DMA to allocate buffers which are used
for USB bulk transfers, there is absolutely no need for this, drop it.

Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans de Goede 2018-05-05 04:22:08 -04:00 committed by Mauro Carvalho Chehab
parent 6159e12e11
commit 5334b3426a
4 changed files with 4 additions and 4 deletions
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2
drivers/media/usb/gspca/jl2005bcd.c
View file

@ -321,7 +321,7 @@ static void jl2005c_dostream(struct work_struct *work)
int ret;
u8 *buffer;
buffer = kmalloc(JL2005C_MAX_TRANSFER, GFP_KERNEL | GFP_DMA);
buffer = kmalloc(JL2005C_MAX_TRANSFER, GFP_KERNEL);
if (!buffer) {
pr_err("Couldn't allocate USB buffer\n");
goto quit_stream;

2
drivers/media/usb/gspca/sq905.c
View file

@ -217,7 +217,7 @@ static void sq905_dostream(struct work_struct *work)
u8 *data;
u8 *buffer;
buffer = kmalloc(SQ905_MAX_TRANSFER, GFP_KERNEL | GFP_DMA);
buffer = kmalloc(SQ905_MAX_TRANSFER, GFP_KERNEL);
if (!buffer) {
pr_err("Couldn't allocate USB buffer\n");
goto quit_stream;

2
drivers/media/usb/gspca/sq905c.c
View file

@ -138,7 +138,7 @@ static void sq905c_dostream(struct work_struct *work)
int ret;
u8 *buffer;
buffer = kmalloc(SQ905C_MAX_TRANSFER, GFP_KERNEL | GFP_DMA);
buffer = kmalloc(SQ905C_MAX_TRANSFER, GFP_KERNEL);
if (!buffer) {
pr_err("Couldn't allocate USB buffer\n");
goto quit_stream;

2
drivers/media/usb/gspca/vicam.c
View file

@ -182,7 +182,7 @@ static void vicam_dostream(struct work_struct *work)
frame_sz = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].sizeimage +
HEADER_SIZE;
buffer = kmalloc(frame_sz, GFP_KERNEL | GFP_DMA);
buffer = kmalloc(frame_sz, GFP_KERNEL);
if (!buffer) {
pr_err("Couldn't allocate USB buffer\n");
goto exit;