From: Mauro Carvalho Chehab Date: Sun, 6 May 2018 09:21:47 +0000 (-0400) Subject: media: siano: use GFP_DMA only for smssdio X-Git-Tag: v5.15~8685^2~126 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=782b9d201112ae526a823ddba522c88c761585c7;p=platform%2Fkernel%2Flinux-starfive.git 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 --- diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c index 1c93258..3b02cb5 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 134c69f..eb58853 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); diff --git a/drivers/media/mmc/siano/smssdio.c b/drivers/media/mmc/siano/smssdio.c index fee2d71..b9e40d4 100644 --- a/drivers/media/mmc/siano/smssdio.c +++ b/drivers/media/mmc/siano/smssdio.c @@ -279,7 +279,7 @@ static int smssdio_probe(struct sdio_func *func, goto free; } - ret = smscore_register_device(¶ms, &smsdev->coredev, NULL); + ret = smscore_register_device(¶ms, &smsdev->coredev, GFP_DMA, NULL); if (ret < 0) goto free; diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c index 6d436e9..be36344 100644 --- a/drivers/media/usb/siano/smsusb.c +++ b/drivers/media/usb/siano/smsusb.c @@ -455,7 +455,7 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) mdev = siano_media_device_register(dev, board_id); /* register in smscore */ - rc = smscore_register_device(¶ms, &dev->coredev, mdev); + rc = smscore_register_device(¶ms, &dev->coredev, 0, mdev); if (rc < 0) { pr_err("smscore_register_device(...) failed, rc %d\n", rc); smsusb_term_device(intf);