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Subject[PATCH 131/141] V4L/DVB (3403): Workaround to fix initialization for Nexus CA
Date
From: Marco Schluessler <marco@lordzodiac.de>
Date: 1140817980 -0300

Workaround for Nexus CA: Debi test fails unless first debi write is repeated.

Signed-off-by: Marco Schluessler <marco@lordzodiac.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/dvb/ttpci/av7110_hw.c b/drivers/media/dvb/ttpci/av7110_hw.c
diff --git a/drivers/media/dvb/ttpci/av7110_hw.c b/drivers/media/dvb/ttpci/av7110_hw.c
index 3c5366d..75736f2 100644
--- a/drivers/media/dvb/ttpci/av7110_hw.c
+++ b/drivers/media/dvb/ttpci/av7110_hw.c
@@ -245,6 +245,9 @@ int av7110_bootarm(struct av7110 *av7110

/* test DEBI */
iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
+ /* FIXME: Why does Nexus CA require 2x iwdebi for first init? */
+ iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
+
if ((ret=irdebi(av7110, DEBINOSWAP, DPRAM_BASE, 0, 4)) != 0x10325476) {
printk(KERN_ERR "dvb-ttpci: debi test in av7110_bootarm() failed: "
"%08x != %08x (check your BIOS 'Plug&Play OS' settings)\n",
-
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