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authorLee Nipper <lee.nipper@freescale.com>2008-10-12 16:29:34 +0400
committerHerbert Xu <herbert@gondor.apana.org.au>2008-12-25 03:01:10 +0300
commit1c2e8811eea5f0c5da3213ea206c2864fa4614fd (patch)
tree1d1a227e268bef3bd7ce1df189dacee29cbf1937 /drivers/crypto/talitos.h
parent40405f10b853ef404b395c6febca71b0de185490 (diff)
downloadlinux-1c2e8811eea5f0c5da3213ea206c2864fa4614fd.tar.xz
crypto: talitos - Implement done interrupt mitigation
In talitos_interrupt, upon one done interrupt, mask further done interrupts, and ack only any error interrupt. In talitos_done, unmask done interrupts after completing processing. In flush_channel, ack each done channel processed. Keep done overflow interrupts masked because even though each pkt is ack'ed, a few done overflows still occur. Signed-off-by: Lee Nipper <lee.nipper@freescale.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/talitos.h')
-rw-r--r--drivers/crypto/talitos.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h
index c48a405abf70..e6b87770df03 100644
--- a/drivers/crypto/talitos.h
+++ b/drivers/crypto/talitos.h
@@ -37,7 +37,8 @@
#define TALITOS_MCR_LO 0x1038
#define TALITOS_MCR_SWR 0x1 /* s/w reset */
#define TALITOS_IMR 0x1008 /* interrupt mask register */
-#define TALITOS_IMR_INIT 0x10fff /* enable channel IRQs */
+#define TALITOS_IMR_INIT 0x100ff /* enable channel IRQs */
+#define TALITOS_IMR_DONE 0x00055 /* done IRQs */
#define TALITOS_IMR_LO 0x100C
#define TALITOS_IMR_LO_INIT 0x20000 /* allow RNGU error IRQs */
#define TALITOS_ISR 0x1010 /* interrupt status register */