From 1c2e8811eea5f0c5da3213ea206c2864fa4614fd Mon Sep 17 00:00:00 2001 From: Lee Nipper Date: Sun, 12 Oct 2008 20:29:34 +0800 Subject: 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 Signed-off-by: Kim Phillips Signed-off-by: Herbert Xu --- drivers/crypto/talitos.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/crypto/talitos.h') diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h index c48a405abf7..e6b87770df0 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 */ -- cgit v1.2.3