diff options
| author | Steven Toth <stoth@hauppauge.com> | 2007-09-04 21:50:49 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-09 22:08:26 -0300 |
| commit | 2df9a4c2d81ed255c9e027ee5df676a65f4ab578 (patch) | |
| tree | d282f7a01483ec95be7e18b7bf57b54dbd31f5b8 /drivers | |
| parent | 86184e06da4b71fc24ae9505ec60ce95c098d0de (diff) | |
V4L/DVB (6173): cx23885: Minor cleanup and important NMI comment placed in code
I wanted to document the NMI assert issue inside the code, even though
it's already documented in the patch history. If/when the next cx23887
revision appears, is may need to be enabled on that also.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-core.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index fa5f6488b99..13dc7c8642c 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -331,8 +331,8 @@ static int cx23885_risc_decode(u32 risc) [ RISC_WRITECR >> 28 ] = "writecr", }; static int incr[16] = { - [ RISC_WRITE >> 28 ] = 3, // 2 - [ RISC_JUMP >> 28 ] = 3, // 2 + [ RISC_WRITE >> 28 ] = 3, + [ RISC_JUMP >> 28 ] = 3, [ RISC_SKIP >> 28 ] = 1, [ RISC_SYNC >> 28 ] = 1, [ RISC_WRITERM >> 28 ] = 3, @@ -629,6 +629,10 @@ static int cx23885_pci_quirks(struct cx23885_dev *dev) { dprintk(1, "%s()\n", __FUNCTION__); + /* The cx23885 bridge has a weird bug which causes NMI to be asserted + * when DMA begins if RDR_TLCTL0 bit4 is not cleared. It does not + * occur on the cx23887 bridge. + */ if(dev->bridge == CX23885_BRIDGE_885) cx_clear(RDR_TLCTL0, 1 << 4); |