From: Andrei Varvara Date: Tue, 28 May 2013 07:37:05 +0000 (+0800) Subject: crypto: caam - fix SEQ IN PTR command when RTO or PRE bit is set X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e2d4ea9444024e38217e4b7e380c6b9f39f9a5f2;p=linux-beck.git crypto: caam - fix SEQ IN PTR command when RTO or PRE bit is set SEQ IN PTR command does not require pointer if RTO or PRE bit is set Updated desc_constr.h accordingly. Signed-off-by: Andrei Varvara Reviewed-by: Phillips Kim-R1AAHA Reviewed-by: Fleming Andrew-AFLEMING Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h index f7f833be8c67..89fa3d045612 100644 --- a/drivers/crypto/caam/desc.h +++ b/drivers/crypto/caam/desc.h @@ -1294,10 +1294,10 @@ struct sec4_sg_entry { #define SQOUT_SGF 0x01000000 /* Appends to a previous pointer */ -#define SQOUT_PRE 0x00800000 +#define SQOUT_PRE SQIN_PRE /* Restore sequence with pointer/length */ -#define SQOUT_RTO 0x00200000 +#define SQOUT_RTO SQIN_RTO /* Use extended length following pointer */ #define SQOUT_EXT 0x00400000 diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h index c85c1f058401..19501b548db4 100644 --- a/drivers/crypto/caam/desc_constr.h +++ b/drivers/crypto/caam/desc_constr.h @@ -122,7 +122,8 @@ static inline void append_cmd_ptr_extlen(u32 *desc, dma_addr_t ptr, unsigned int len, u32 command) { append_cmd(desc, command); - append_ptr(desc, ptr); + if (!(command & (SQIN_RTO | SQIN_PRE))) + append_ptr(desc, ptr); append_cmd(desc, len); } @@ -186,7 +187,10 @@ static inline void append_seq_##cmd##_ptr_intlen(u32 *desc, dma_addr_t ptr, \ u32 options) \ { \ PRINT_POS; \ - append_cmd_ptr(desc, ptr, len, CMD_SEQ_##op##_PTR | options); \ + if (options & (SQIN_RTO | SQIN_PRE)) \ + append_cmd(desc, CMD_SEQ_##op##_PTR | len | options); \ + else \ + append_cmd_ptr(desc, ptr, len, CMD_SEQ_##op##_PTR | options); \ } APPEND_SEQ_PTR_INTLEN(in, IN) APPEND_SEQ_PTR_INTLEN(out, OUT)