[PATCH] dvb: flexcop: woraround irq stop problem
The flexcop chip often stops generating interrupts after some hours of
operation. Apparently this can be fixed by resetting register block 0x300 at
each channel change (this is not detailed in the flexcop data books).
This patch also restructures DMA handling and adds a bit of debug code for the
irq problem in case it still happens for someone.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/media/dvb/b2c2/flexcop-misc.c b/drivers/media/dvb/b2c2/flexcop-misc.c
index 2308254..3a08d38 100644
--- a/drivers/media/dvb/b2c2/flexcop-misc.c
+++ b/drivers/media/dvb/b2c2/flexcop-misc.c
@@ -65,3 +65,15 @@
flexcop_device_names[fc->dev_type],flexcop_bus_names[fc->bus_type],
flexcop_revision_names[fc->rev],suffix);
}
+
+void flexcop_dump_reg(struct flexcop_device *fc, flexcop_ibi_register reg, int num)
+{
+ flexcop_ibi_value v;
+ int i;
+ for (i = 0; i < num; i++) {
+ v = fc->read_ibi_reg(fc,reg+4*i);
+ deb_rdump("0x%03x: %08x, ",reg+4*i, v.raw);
+ }
+ deb_rdump("\n");
+}
+EXPORT_SYMBOL(flexcop_dump_reg);