crypto: cavium/zip - drop obsolete 'comp' implementation

The 'comp' API is obsolete and will be removed, so remove this comp
implementation.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ard Biesheuvel 2025-03-16 09:21:22 +08:00 committed by Herbert Xu
parent 8beb40458c
commit bd40bf1ad2
3 changed files with 1 additions and 100 deletions

View File

@ -195,46 +195,6 @@ static int zip_decompress(const u8 *src, unsigned int slen,
return ret;
}
/* Legacy Compress framework start */
int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm)
{
struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
return zip_ctx_init(zip_ctx, 0);
}
int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm)
{
struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
return zip_ctx_init(zip_ctx, 1);
}
void zip_free_comp_ctx(struct crypto_tfm *tfm)
{
struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
zip_ctx_exit(zip_ctx);
}
int zip_comp_compress(struct crypto_tfm *tfm,
const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen)
{
struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
return zip_compress(src, slen, dst, dlen, zip_ctx);
}
int zip_comp_decompress(struct crypto_tfm *tfm,
const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen)
{
struct zip_kernel_ctx *zip_ctx = crypto_tfm_ctx(tfm);
return zip_decompress(src, slen, dst, dlen, zip_ctx);
} /* Legacy compress framework end */
/* SCOMP framework start */
void *zip_alloc_scomp_ctx_deflate(void)
{

View File

@ -46,7 +46,6 @@
#ifndef __ZIP_CRYPTO_H__
#define __ZIP_CRYPTO_H__
#include <linux/crypto.h>
#include <crypto/internal/scompress.h>
#include "common.h"
#include "zip_deflate.h"
@ -57,16 +56,6 @@ struct zip_kernel_ctx {
struct zip_operation zip_decomp;
};
int zip_alloc_comp_ctx_deflate(struct crypto_tfm *tfm);
int zip_alloc_comp_ctx_lzs(struct crypto_tfm *tfm);
void zip_free_comp_ctx(struct crypto_tfm *tfm);
int zip_comp_compress(struct crypto_tfm *tfm,
const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen);
int zip_comp_decompress(struct crypto_tfm *tfm,
const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen);
void *zip_alloc_scomp_ctx_deflate(void);
void *zip_alloc_scomp_ctx_lzs(void);
void zip_free_scomp_ctx(void *zip_ctx);

View File

@ -371,36 +371,6 @@ static struct pci_driver zip_driver = {
/* Kernel Crypto Subsystem Interface */
static struct crypto_alg zip_comp_deflate = {
.cra_name = "deflate",
.cra_driver_name = "deflate-cavium",
.cra_flags = CRYPTO_ALG_TYPE_COMPRESS,
.cra_ctxsize = sizeof(struct zip_kernel_ctx),
.cra_priority = 300,
.cra_module = THIS_MODULE,
.cra_init = zip_alloc_comp_ctx_deflate,
.cra_exit = zip_free_comp_ctx,
.cra_u = { .compress = {
.coa_compress = zip_comp_compress,
.coa_decompress = zip_comp_decompress
} }
};
static struct crypto_alg zip_comp_lzs = {
.cra_name = "lzs",
.cra_driver_name = "lzs-cavium",
.cra_flags = CRYPTO_ALG_TYPE_COMPRESS,
.cra_ctxsize = sizeof(struct zip_kernel_ctx),
.cra_priority = 300,
.cra_module = THIS_MODULE,
.cra_init = zip_alloc_comp_ctx_lzs,
.cra_exit = zip_free_comp_ctx,
.cra_u = { .compress = {
.coa_compress = zip_comp_compress,
.coa_decompress = zip_comp_decompress
} }
};
static struct scomp_alg zip_scomp_deflate = {
.alloc_ctx = zip_alloc_scomp_ctx_deflate,
.free_ctx = zip_free_scomp_ctx,
@ -431,22 +401,10 @@ static int zip_register_compression_device(void)
{
int ret;
ret = crypto_register_alg(&zip_comp_deflate);
if (ret < 0) {
zip_err("Deflate algorithm registration failed\n");
return ret;
}
ret = crypto_register_alg(&zip_comp_lzs);
if (ret < 0) {
zip_err("LZS algorithm registration failed\n");
goto err_unregister_alg_deflate;
}
ret = crypto_register_scomp(&zip_scomp_deflate);
if (ret < 0) {
zip_err("Deflate scomp algorithm registration failed\n");
goto err_unregister_alg_lzs;
return ret;
}
ret = crypto_register_scomp(&zip_scomp_lzs);
@ -459,18 +417,12 @@ static int zip_register_compression_device(void)
err_unregister_scomp_deflate:
crypto_unregister_scomp(&zip_scomp_deflate);
err_unregister_alg_lzs:
crypto_unregister_alg(&zip_comp_lzs);
err_unregister_alg_deflate:
crypto_unregister_alg(&zip_comp_deflate);
return ret;
}
static void zip_unregister_compression_device(void)
{
crypto_unregister_alg(&zip_comp_deflate);
crypto_unregister_alg(&zip_comp_lzs);
crypto_unregister_scomp(&zip_scomp_deflate);
crypto_unregister_scomp(&zip_scomp_lzs);
}