tree: git://linuxtv.org/media_tree.git master
head: 427ae153c65ad7a08288d86baf99000569627d03
commit: ea2e813e8cc3492c951b9895724fd47187e04a6f [7740/7741] [media] tlg2300:
move to staging in preparation for removal
drivers/staging/media/tlg2300/pd-main.c:81 send_set_req() error: doing dma on
the stack (&data)
drivers/staging/media/tlg2300/pd-main.c:121 send_get_req() error: doing dma on
the stack (&data)
vim +81 drivers/staging/media/tlg2300/pd-main.c
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 75
upper_16 = lower_16 = 0;
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 76
} else {
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 77
/* send 32 bit param as two 16 bit param,little endian */
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 78
lower_16 = (unsigned short)(param & 0xffff);
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 79
upper_16 = (unsigned short)((param >> 16) & 0xffff);
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 80
}
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 @81
ret = usb_control_msg(pd->udev,
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 82
usb_rcvctrlpipe(pd->udev, 0),
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 83
REQ_SET_CMD | cmdid,
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 84
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 85
lower_16,
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 86
upper_16,
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 87
&data,
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 88
sizeof(*cmd_status),
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 89
USB_CTRL_GET_TIMEOUT);
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 90
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 91
if (!ret) {
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 92
return -ENXIO;
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 93
} else {
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 94
/* 1st 4 bytes into cmd_status */
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 95
memcpy((char *)cmd_status, &(data[0]), sizeof(*cmd_status));
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 96
}
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 97
return 0;
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 98 }
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 99
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 100 /*
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 101 *
send get request to Poseidon firmware.
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 102 */
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 103
s32 send_get_req(struct poseidon *pd, u8 cmdid, s32 param,
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 104
void *buf, s32 *cmd_status, s32 datalen)
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 105 {
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 106
s32 ret;
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 107
s8 data[128] = {};
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 108
u16 lower_16, upper_16;
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 109
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 110
if (pd->state & POSEIDON_STATE_DISCONNECT)
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 111
return -ENODEV;
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 112
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 113
mdelay(30);
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 114
if (param == 0) {
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 115
upper_16 = lower_16 = 0;
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 116
} else {
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 117
/*send 32 bit param as two 16 bit param, little endian */
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 118
lower_16 = (unsigned short)(param & 0xffff);
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 119
upper_16 = (unsigned short)((param >> 16) & 0xffff);
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 120
}
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 @121
ret = usb_control_msg(pd->udev,
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 122
usb_rcvctrlpipe(pd->udev, 0),
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 123
REQ_GET_CMD | cmdid,
5b3f03f0 drivers/media/video/tlg2300/pd-main.c Huang Shijie 2010-02-02 124
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
:::::: The code at line 81 was first introduced by commit
:::::: 5b3f03f044ad6dffc8cd8c9c50bc5d7769cbd89f V4L/DVB: Add driver for
Telegent tlg2300
:::::: TO: Huang Shijie <[email protected]>
:::::: CC: Mauro Carvalho Chehab <[email protected]>
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