[media] media: video: mx2_camera.c: Remove unneeded dev_dbg

[firefly-linux-kernel-4.4.55.git] / drivers / media / video / cx231xx / cx231xx-core.c

diff --git a/drivers/media/video/cx231xx/cx231xx-core.c b/drivers/media/video/cx231xx/cx231xx-core.c
index d4457f9488eee6c6e06feb1dd7c7ef727d6b91b8..08dd930f882a60bf566774480f2bb7950f8df4a6 100644 (file)
--- a/drivers/media/video/cx231xx/cx231xx-core.c
+++ b/drivers/media/video/cx231xx/cx231xx-core.c
@@ -166,6 +166,9 @@ int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
        u8 _i2c_nostop = 0;
        u8 _i2c_reserve = 0;
 
+       if (dev->state & DEV_DISCONNECTED)
+               return -ENODEV;
+
        /* Get the I2C period, nostop and reserve parameters */
        _i2c_period = i2c_bus->i2c_period;
        _i2c_nostop = i2c_bus->i2c_nostop;
@@ -1071,7 +1074,7 @@ int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
                                 sb_size, cx231xx_isoc_irq_callback, dma_q, 1);
 
                urb->number_of_packets = max_packets;
-               urb->transfer_flags = URB_ISO_ASAP;
+               urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
 
                k = 0;
                for (j = 0; j < max_packets; j++) {
@@ -1182,7 +1185,7 @@ int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
                        return -ENOMEM;
                }
                dev->video_mode.bulk_ctl.urb[i] = urb;
-               urb->transfer_flags = 0;
+               urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
 
                dev->video_mode.bulk_ctl.transfer_buffer[i] =
                    usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL,