diff options
author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-19 23:01:26 +0200 |
---|---|---|
committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-19 23:37:01 +0200 |
commit | 2ae782ca839e0ee07de37122ddea362adff2e975 (patch) | |
tree | df6b1a190760f51465122ca4c13492d5ac5984c6 /drivers/media/usb/siano/smsusb.c | |
parent | 0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff) | |
parent | 0661b3d6cfd774e28a2e2ba90a3d87479e5c399b (diff) |
Merge tag 'v4.9.220' into 4.9-2.3.x-imx
This is the 4.9.220 stable release
Conflicts:
arch/arm/Kconfig.debug
arch/arm/boot/dts/imx7s.dtsi
arch/arm/mach-imx/common.h
arch/arm/mach-imx/cpuidle-imx6q.c
arch/arm/mach-imx/cpuidle-imx6sx.c
arch/arm/mach-imx/suspend-imx6.S
block/blk-core.c
drivers/crypto/caam/caamalg.c
drivers/crypto/mxs-dcp.c
drivers/dma/imx-sdma.c
drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
drivers/input/keyboard/imx_keypad.c
drivers/input/keyboard/snvs_pwrkey.c
drivers/mmc/host/sdhci.c
drivers/net/can/flexcan.c
drivers/net/ethernet/freescale/fec_main.c
drivers/net/phy/phy_device.c
drivers/net/wireless/ath/ath10k/pci.c
drivers/tty/serial/imx.c
drivers/usb/dwc3/gadget.c
drivers/usb/host/xhci.c
include/linux/blkdev.h
include/linux/cpu.h
include/linux/platform_data/dma-imx-sdma.h
kernel/cpu.c
net/wireless/util.c
sound/soc/fsl/Kconfig
sound/soc/fsl/fsl_esai.c
sound/soc/fsl/fsl_sai.c
sound/soc/fsl/imx-sgtl5000.c
Diffstat (limited to 'drivers/media/usb/siano/smsusb.c')
-rw-r--r-- | drivers/media/usb/siano/smsusb.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c index 18b41b9dc2e4..73889d6cfd50 100644 --- a/drivers/media/usb/siano/smsusb.c +++ b/drivers/media/usb/siano/smsusb.c @@ -402,6 +402,7 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) struct smsusb_device_t *dev; void *mdev; int i, rc; + int align = 0; /* create device object */ dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL); @@ -413,6 +414,24 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) dev->udev = interface_to_usbdev(intf); dev->state = SMSUSB_DISCONNECTED; + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { + struct usb_endpoint_descriptor *desc = + &intf->cur_altsetting->endpoint[i].desc; + + if (desc->bEndpointAddress & USB_DIR_IN) { + dev->in_ep = desc->bEndpointAddress; + align = usb_endpoint_maxp(desc) - sizeof(struct sms_msg_hdr); + } else { + dev->out_ep = desc->bEndpointAddress; + } + } + + pr_debug("in_ep = %02x, out_ep = %02x\n", dev->in_ep, dev->out_ep); + if (!dev->in_ep || !dev->out_ep || align < 0) { /* Missing endpoints? */ + smsusb_term_device(intf); + return -ENODEV; + } + params.device_type = sms_get_board(board_id)->type; switch (params.device_type) { @@ -427,24 +446,12 @@ static int smsusb_init_device(struct usb_interface *intf, int board_id) /* fall-thru */ default: dev->buffer_size = USB2_BUFFER_SIZE; - dev->response_alignment = - le16_to_cpu(dev->udev->ep_in[1]->desc.wMaxPacketSize) - - sizeof(struct sms_msg_hdr); + dev->response_alignment = align; params.flags |= SMS_DEVICE_FAMILY2; break; } - for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { - if (intf->cur_altsetting->endpoint[i].desc. bEndpointAddress & USB_DIR_IN) - dev->in_ep = intf->cur_altsetting->endpoint[i].desc.bEndpointAddress; - else - dev->out_ep = intf->cur_altsetting->endpoint[i].desc.bEndpointAddress; - } - - pr_debug("in_ep = %02x, out_ep = %02x\n", - dev->in_ep, dev->out_ep); - params.device = &dev->udev->dev; params.buffer_size = dev->buffer_size; params.num_buffers = MAX_BUFFERS; |