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author | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-05-06 05:21:47 -0400 |
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committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-05-15 08:04:42 -0400 |
commit | 782b9d201112ae526a823ddba522c88c761585c7 (patch) | |
tree | 755658b67e23749b1c84e6f57b4653e591cdedf5 /drivers/media/common | |
parent | b2353e1dccceaee1703656c6fa5806ed193fced8 (diff) | |
download | linux-stable-782b9d201112ae526a823ddba522c88c761585c7.tar.gz linux-stable-782b9d201112ae526a823ddba522c88c761585c7.tar.bz2 linux-stable-782b9d201112ae526a823ddba522c88c761585c7.zip |
media: siano: use GFP_DMA only for smssdio
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>
Diffstat (limited to 'drivers/media/common')
-rw-r--r-- | drivers/media/common/siano/smscoreapi.c | 22 | ||||
-rw-r--r-- | drivers/media/common/siano/smscoreapi.h | 3 |
2 files changed, 15 insertions, 10 deletions
diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c index 1c93258a2d47..3b02cb570a6e 100644 --- a/drivers/media/common/siano/smscoreapi.c +++ b/drivers/media/common/siano/smscoreapi.c @@ -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; diff --git a/drivers/media/common/siano/smscoreapi.h b/drivers/media/common/siano/smscoreapi.h index 134c69f7ea7b..eb58853008c9 100644 --- a/drivers/media/common/siano/smscoreapi.h +++ b/drivers/media/common/siano/smscoreapi.h @@ -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); |