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media: siano: use GFP_DMA only for smssdio

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Right now, the Siano's core uses GFP_DMA for both USB and
SDIO variants of the driver. There's no reason to use it
for USB. So, pass GFP_DMA as a parameter during sms core
register.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab
2018-05-06 05:21:47 -04:00
parent b2353e1dcc
commit 782b9d2011
4 changed files with 17 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/media/common/siano/smscoreapi.c
View File

@@ -649,6 +649,7 @@ smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer,
*/
int smscore_register_device(struct smsdevice_params_t *params,
struct smscore_device_t **coredev,
gfp_t gfp_buf_flags,
void *mdev)
{
struct smscore_device_t *dev;
@@ -661,6 +662,7 @@ int smscore_register_device(struct smsdevice_params_t *params,
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
dev->media_dev = mdev;
#endif
dev->gfp_buf_flags = gfp_buf_flags;
/* init list entry so it could be safe in smscore_unregister_device */
INIT_LIST_HEAD(&dev->entry);
@@ -697,7 +699,7 @@ int smscore_register_device(struct smsdevice_params_t *params,
buffer = dma_alloc_coherent(params->device,
dev->common_buffer_size,
&dev->common_buffer_phys,
GFP_KERNEL | GFP_DMA);
GFP_KERNEL | dev->gfp_buf_flags);
if (!buffer) {
smscore_unregister_device(dev);
return -ENOMEM;
@@ -792,7 +794,7 @@ static int smscore_init_ir(struct smscore_device_t *coredev)
else {
buffer = kmalloc(sizeof(struct sms_msg_data2) +
SMS_DMA_ALIGNMENT,
GFP_KERNEL | GFP_DMA);
GFP_KERNEL | coredev->gfp_buf_flags);
if (buffer) {
struct sms_msg_data2 *msg =
(struct sms_msg_data2 *)
@@ -933,7 +935,7 @@ static int smscore_load_firmware_family2(struct smscore_device_t *coredev,
}
/* PAGE_SIZE buffer shall be enough and dma aligned */
msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
msg = kmalloc(PAGE_SIZE, GFP_KERNEL | coredev->gfp_buf_flags);
if (!msg)
return -ENOMEM;
@@ -1168,7 +1170,7 @@ static int smscore_load_firmware_from_file(struct smscore_device_t *coredev,
}
pr_debug("read fw %s, buffer size=0x%zx\n", fw_filename, fw->size);
fw_buf = kmalloc(ALIGN(fw->size + sizeof(struct sms_firmware),
SMS_ALLOC_ALIGNMENT), GFP_KERNEL | GFP_DMA);
SMS_ALLOC_ALIGNMENT), GFP_KERNEL | coredev->gfp_buf_flags);
if (!fw_buf) {
pr_err("failed to allocate firmware buffer\n");
rc = -ENOMEM;
@@ -1260,7 +1262,7 @@ EXPORT_SYMBOL_GPL(smscore_unregister_device);
static int smscore_detect_mode(struct smscore_device_t *coredev)
{
void *buffer = kmalloc(sizeof(struct sms_msg_hdr) + SMS_DMA_ALIGNMENT,
GFP_KERNEL | GFP_DMA);
GFP_KERNEL | coredev->gfp_buf_flags);
struct sms_msg_hdr *msg =
(struct sms_msg_hdr *) SMS_ALIGN_ADDRESS(buffer);
int rc;
@@ -1309,7 +1311,7 @@ static int smscore_init_device(struct smscore_device_t *coredev, int mode)
int rc = 0;
buffer = kmalloc(sizeof(struct sms_msg_data) +
SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA);
SMS_DMA_ALIGNMENT, GFP_KERNEL | coredev->gfp_buf_flags);
if (!buffer)
return -ENOMEM;
@@ -1398,7 +1400,7 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
coredev->device_flags &= ~SMS_DEVICE_NOT_READY;
buffer = kmalloc(sizeof(struct sms_msg_data) +
SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA);
SMS_DMA_ALIGNMENT, GFP_KERNEL | coredev->gfp_buf_flags);
if (buffer) {
struct sms_msg_data *msg = (struct sms_msg_data *) SMS_ALIGN_ADDRESS(buffer);
@@ -1971,7 +1973,7 @@ int smscore_gpio_configure(struct smscore_device_t *coredev, u8 pin_num,
total_len = sizeof(struct sms_msg_hdr) + (sizeof(u32) * 6);
buffer = kmalloc(total_len + SMS_DMA_ALIGNMENT,
GFP_KERNEL | GFP_DMA);
GFP_KERNEL | coredev->gfp_buf_flags);
if (!buffer)
return -ENOMEM;
@@ -2043,7 +2045,7 @@ int smscore_gpio_set_level(struct smscore_device_t *coredev, u8 pin_num,
(3 * sizeof(u32)); /* keep it 3 ! */
buffer = kmalloc(total_len + SMS_DMA_ALIGNMENT,
GFP_KERNEL | GFP_DMA);
GFP_KERNEL | coredev->gfp_buf_flags);
if (!buffer)
return -ENOMEM;
@@ -2091,7 +2093,7 @@ int smscore_gpio_get_level(struct smscore_device_t *coredev, u8 pin_num,
total_len = sizeof(struct sms_msg_hdr) + (2 * sizeof(u32));
buffer = kmalloc(total_len + SMS_DMA_ALIGNMENT,
GFP_KERNEL | GFP_DMA);
GFP_KERNEL | coredev->gfp_buf_flags);
if (!buffer)
return -ENOMEM;

3
drivers/media/common/siano/smscoreapi.h
View File

@@ -190,6 +190,8 @@ struct smscore_device_t {
int mode, modes_supported;
gfp_t gfp_buf_flags;
/* host <--> device messages */
struct completion version_ex_done, data_download_done, trigger_done;
struct completion data_validity_done, device_ready_done;
@@ -1125,6 +1127,7 @@ extern void smscore_unregister_hotplug(hotplug_t hotplug);
extern int smscore_register_device(struct smsdevice_params_t *params,
struct smscore_device_t **coredev,
gfp_t gfp_buf_flags,
void *mdev);
extern void smscore_unregister_device(struct smscore_device_t *coredev);