Fixing 'checkpatch.pl' warnings: Trailing whitespaces

Signed-off-by: Pushkar Jambhlekar <pushkar....@gmail.com>
---
 drivers/staging/ccree/ssi_cipher.c | 110 ++++++++++++++++++-------------------
 1 file changed, 55 insertions(+), 55 deletions(-)

diff --git a/drivers/staging/ccree/ssi_cipher.c 
b/drivers/staging/ccree/ssi_cipher.c
index 664ed7e..7e85d2c 100644
--- a/drivers/staging/ccree/ssi_cipher.c
+++ b/drivers/staging/ccree/ssi_cipher.c
@@ -1,15 +1,15 @@
 /*
  * Copyright (C) 2012-2017 ARM Limited or its affiliates.
- * 
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
@@ -117,7 +117,7 @@ static int validate_data_size(struct ssi_ablkcipher_ctx 
*ctx_p, unsigned int siz
                switch (ctx_p->cipher_mode){
                case DRV_CIPHER_XTS:
                        if ((size >= SSI_MIN_AES_XTS_SIZE) &&
-                           (size <= SSI_MAX_AES_XTS_SIZE) && 
+                           (size <= SSI_MAX_AES_XTS_SIZE) &&
                            IS_ALIGNED(size, AES_BLOCK_SIZE))
                                return 0;
                        break;
@@ -189,7 +189,7 @@ static int ssi_blkcipher_init(struct crypto_tfm *tfm)
        int rc = 0;
        unsigned int max_key_buf_size = get_max_keysize(tfm);
 
-       SSI_LOG_DEBUG("Initializing context @%p for %s\n", ctx_p, 
+       SSI_LOG_DEBUG("Initializing context @%p for %s\n", ctx_p,
                                                crypto_tfm_alg_name(tfm));
 
        CHECK_AND_RETURN_UPON_FIPS_ERROR();
@@ -251,7 +251,7 @@ static void ssi_blkcipher_exit(struct crypto_tfm *tfm)
        SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx_p->user.key_dma_addr);
        dma_unmap_single(dev, ctx_p->user.key_dma_addr, max_key_buf_size,
                                                                DMA_TO_DEVICE);
-       SSI_LOG_DEBUG("Unmapped key buffer key_dma_addr=0x%llX\n", 
+       SSI_LOG_DEBUG("Unmapped key buffer key_dma_addr=0x%llX\n",
                (unsigned long long)ctx_p->user.key_dma_addr);
 
        /* Free key buffer in context */
@@ -266,9 +266,9 @@ typedef struct tdes_keys{
         u8      key3[DES_KEY_SIZE];
 }tdes_keys_t;
 
-static const u8 zero_buff[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
+static const u8 zero_buff[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+                               0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
                                0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
-                               0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
                                0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
 
 /* The function verifies that tdes keys are not weak.*/
@@ -278,7 +278,7 @@ static int ssi_fips_verify_3des_keys(const u8 *key, 
unsigned int keylen)
         tdes_keys_t *tdes_key = (tdes_keys_t*)key;
 
        /* verify key1 != key2 and key3 != key2*/
-        if (unlikely( (memcmp((u8*)tdes_key->key1, (u8*)tdes_key->key2, 
sizeof(tdes_key->key1)) == 0) || 
+        if (unlikely( (memcmp((u8*)tdes_key->key1, (u8*)tdes_key->key2, 
sizeof(tdes_key->key1)) == 0) ||
                      (memcmp((u8*)tdes_key->key3, (u8*)tdes_key->key2, 
sizeof(tdes_key->key3)) == 0) )) {
                 return -ENOEXEC;
         }
@@ -317,8 +317,8 @@ static enum HwCryptoKey hw_key_to_cc_hw_key(int slot_num)
        return END_OF_KEYS;
 }
 
-static int ssi_blkcipher_setkey(struct crypto_tfm *tfm, 
-                               const u8 *key, 
+static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
+                               const u8 *key,
                                unsigned int keylen)
 {
        struct ssi_ablkcipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
@@ -334,7 +334,7 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
        CHECK_AND_RETURN_UPON_FIPS_ERROR();
 
        SSI_LOG_DEBUG("ssi_blkcipher_setkey: after FIPS check");
-       
+
        /* STAT_PHASE_0: Init and sanity checks */
        START_CYCLE_COUNT();
 
@@ -396,13 +396,13 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
                        return -EINVAL;
                }
        }
-       if ((ctx_p->cipher_mode == DRV_CIPHER_XTS) && 
+       if ((ctx_p->cipher_mode == DRV_CIPHER_XTS) &&
            ssi_fips_verify_xts_keys(key, keylen) != 0) {
                SSI_LOG_DEBUG("ssi_blkcipher_setkey: weak XTS key");
                return -EINVAL;
        }
-       if ((ctx_p->flow_mode == S_DIN_to_DES) && 
-           (keylen == DES3_EDE_KEY_SIZE) && 
+       if ((ctx_p->flow_mode == S_DIN_to_DES) &&
+           (keylen == DES3_EDE_KEY_SIZE) &&
            ssi_fips_verify_3des_keys(key, keylen) != 0) {
                SSI_LOG_DEBUG("ssi_blkcipher_setkey: weak 3DES key");
                return -EINVAL;
@@ -414,7 +414,7 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
        /* STAT_PHASE_1: Copy key to ctx */
        START_CYCLE_COUNT();
        SSI_RESTORE_DMA_ADDR_TO_48BIT(ctx_p->user.key_dma_addr);
-       dma_sync_single_for_cpu(dev, ctx_p->user.key_dma_addr, 
+       dma_sync_single_for_cpu(dev, ctx_p->user.key_dma_addr,
                                        max_key_buf_size, DMA_TO_DEVICE);
 #if SSI_CC_HAS_MULTI2
        if (ctx_p->flow_mode == S_DIN_to_MULTI2) {
@@ -426,7 +426,7 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
                        SSI_LOG_DEBUG("ssi_blkcipher_setkey: SSI_CC_HAS_MULTI2 
einval");
                        return -EINVAL;
                }
-       } else 
+       } else
 #endif /*SSI_CC_HAS_MULTI2*/
        {
                memcpy(ctx_p->user.key, key, keylen);
@@ -447,11 +447,11 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
                        }
                }
        }
-       dma_sync_single_for_device(dev, ctx_p->user.key_dma_addr, 
+       dma_sync_single_for_device(dev, ctx_p->user.key_dma_addr,
                                        max_key_buf_size, DMA_TO_DEVICE);
        SSI_UPDATE_DMA_ADDR_TO_48BIT(ctx_p->user.key_dma_addr 
,max_key_buf_size);
        ctx_p->keylen = keylen;
-       
+
        END_CYCLE_COUNT(STAT_OP_TYPE_SETKEY, STAT_PHASE_1);
 
         SSI_LOG_DEBUG("ssi_blkcipher_setkey: return safely");
@@ -496,7 +496,7 @@ ssi_blkcipher_create_setup_desc(
                HW_DESC_SET_CIPHER_CONFIG0(&desc[*seq_size], direction);
                HW_DESC_SET_FLOW_MODE(&desc[*seq_size], flow_mode);
                HW_DESC_SET_CIPHER_MODE(&desc[*seq_size], cipher_mode);
-               if ((cipher_mode == DRV_CIPHER_CTR) || 
+               if ((cipher_mode == DRV_CIPHER_CTR) ||
                    (cipher_mode == DRV_CIPHER_OFB) ) {
                        HW_DESC_SET_SETUP_MODE(&desc[*seq_size],
                                               SETUP_LOAD_STATE1);
@@ -517,7 +517,7 @@ ssi_blkcipher_create_setup_desc(
                                HW_DESC_SET_HW_CRYPTO_KEY(&desc[*seq_size], 
ctx_p->hw.key1_slot);
                        } else {
                                HW_DESC_SET_DIN_TYPE(&desc[*seq_size], DMA_DLLI,
-                                                    key_dma_addr, 
+                                                    key_dma_addr,
                                                     ((key_len == 24) ? 
AES_MAX_KEY_SIZE : key_len),
                                                     NS_BIT);
                        }
@@ -559,7 +559,7 @@ ssi_blkcipher_create_setup_desc(
                if (ssi_is_hw_key(tfm)) {
                        HW_DESC_SET_HW_CRYPTO_KEY(&desc[*seq_size], 
ctx_p->hw.key2_slot);
                } else {
-                       HW_DESC_SET_DIN_TYPE(&desc[*seq_size], DMA_DLLI, 
+                       HW_DESC_SET_DIN_TYPE(&desc[*seq_size], DMA_DLLI,
                                             (key_dma_addr+key_len/2), 
key_len/2,
                                             NS_BIT);
                }
@@ -568,7 +568,7 @@ ssi_blkcipher_create_setup_desc(
                HW_DESC_SET_KEY_SIZE_AES(&desc[*seq_size], key_len/2);
                HW_DESC_SET_SETUP_MODE(&desc[*seq_size], SETUP_LOAD_XEX_KEY);
                (*seq_size)++;
-       
+
                /* Set state */
                HW_DESC_INIT(&desc[*seq_size]);
                HW_DESC_SET_SETUP_MODE(&desc[*seq_size], SETUP_LOAD_STATE1);
@@ -596,7 +596,7 @@ static inline void ssi_blkcipher_create_multi2_setup_desc(
        unsigned int *seq_size)
 {
        struct ssi_ablkcipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
-       
+
        int direction = req_ctx->gen_ctx.op_type;
        /* Load system key */
        HW_DESC_INIT(&desc[*seq_size]);
@@ -611,8 +611,8 @@ static inline void ssi_blkcipher_create_multi2_setup_desc(
 
        /* load data key */
        HW_DESC_INIT(&desc[*seq_size]);
-       HW_DESC_SET_DIN_TYPE(&desc[*seq_size], DMA_DLLI, 
-                                       (ctx_p->user.key_dma_addr + 
+       HW_DESC_SET_DIN_TYPE(&desc[*seq_size], DMA_DLLI,
+                                       (ctx_p->user.key_dma_addr +
                                                CC_MULTI2_SYSTEM_KEY_SIZE),
                                CC_MULTI2_DATA_KEY_SIZE, NS_BIT);
        HW_DESC_SET_MULTI2_NUM_ROUNDS(&desc[*seq_size],
@@ -622,8 +622,8 @@ static inline void ssi_blkcipher_create_multi2_setup_desc(
        HW_DESC_SET_CIPHER_CONFIG0(&desc[*seq_size], direction);
        HW_DESC_SET_SETUP_MODE(&desc[*seq_size], SETUP_LOAD_STATE0 );
        (*seq_size)++;
-       
-       
+
+
        /* Set state */
        HW_DESC_INIT(&desc[*seq_size]);
        HW_DESC_SET_DIN_TYPE(&desc[*seq_size], DMA_DLLI,
@@ -632,9 +632,9 @@ static inline void ssi_blkcipher_create_multi2_setup_desc(
        HW_DESC_SET_CIPHER_CONFIG0(&desc[*seq_size], direction);
        HW_DESC_SET_FLOW_MODE(&desc[*seq_size], ctx_p->flow_mode);
        HW_DESC_SET_CIPHER_MODE(&desc[*seq_size], ctx_p->cipher_mode);
-       HW_DESC_SET_SETUP_MODE(&desc[*seq_size], SETUP_LOAD_STATE1);    
+       HW_DESC_SET_SETUP_MODE(&desc[*seq_size], SETUP_LOAD_STATE1);
        (*seq_size)++;
-       
+
 }
 #endif /*SSI_CC_HAS_MULTI2*/
 
@@ -715,7 +715,7 @@ ssi_blkcipher_create_data_desc(
                                     "addr 0x%08X\n",
                        (unsigned int)ctx_p->drvdata->mlli_sram_addr,
                        (unsigned int)ctx_p->drvdata->mlli_sram_addr);
-                       HW_DESC_SET_DOUT_MLLI(&desc[*seq_size], 
+                       HW_DESC_SET_DOUT_MLLI(&desc[*seq_size],
                        ctx_p->drvdata->mlli_sram_addr,
                                              req_ctx->in_mlli_nents,
                                              NS_BIT,(areq == NULL)? 0:1);
@@ -723,13 +723,13 @@ ssi_blkcipher_create_data_desc(
                        SSI_LOG_DEBUG(" din/dout params "
                                     "addr 0x%08X addr 0x%08X\n",
                                (unsigned int)ctx_p->drvdata->mlli_sram_addr,
-                               (unsigned int)ctx_p->drvdata->mlli_sram_addr + 
-                               (uint32_t)LLI_ENTRY_BYTE_SIZE * 
+                               (unsigned int)ctx_p->drvdata->mlli_sram_addr +
+                               (uint32_t)LLI_ENTRY_BYTE_SIZE *
                                                        req_ctx->in_nents);
-                       HW_DESC_SET_DOUT_MLLI(&desc[*seq_size], 
+                       HW_DESC_SET_DOUT_MLLI(&desc[*seq_size],
                                (ctx_p->drvdata->mlli_sram_addr +
-                               LLI_ENTRY_BYTE_SIZE * 
-                                               req_ctx->in_mlli_nents), 
+                               LLI_ENTRY_BYTE_SIZE *
+                                               req_ctx->in_mlli_nents),
                                req_ctx->out_mlli_nents, NS_BIT,(areq == NULL)? 
0:1);
                }
                if (areq != NULL) {
@@ -741,7 +741,7 @@ ssi_blkcipher_create_data_desc(
 }
 
 static int ssi_blkcipher_complete(struct device *dev,
-                                  struct ssi_ablkcipher_ctx *ctx_p, 
+                                  struct ssi_ablkcipher_ctx *ctx_p,
                                   struct blkcipher_req_ctx *req_ctx,
                                   struct scatterlist *dst, struct scatterlist 
*src,
                                   void *info, //req info
@@ -779,7 +779,7 @@ static int ssi_blkcipher_process(
        unsigned int nbytes,
        void *info, //req info
        unsigned int ivsize,
-       void *areq, 
+       void *areq,
        enum drv_crypto_direction direction)
 {
        struct ssi_ablkcipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
@@ -796,7 +796,7 @@ static int ssi_blkcipher_process(
        CHECK_AND_RETURN_UPON_FIPS_ERROR();
        /* STAT_PHASE_0: Init and sanity checks */
        START_CYCLE_COUNT();
-       
+
        /* TODO: check data length according to mode */
        if (unlikely(validate_data_size(ctx_p, nbytes))) {
                SSI_LOG_ERR("Unsupported data size %d.\n", nbytes);
@@ -826,12 +826,12 @@ static int ssi_blkcipher_process(
 
        /* Setup request context */
        req_ctx->gen_ctx.op_type = direction;
-       
+
        END_CYCLE_COUNT(ssi_req.op_type, STAT_PHASE_0);
 
        /* STAT_PHASE_1: Map buffers */
        START_CYCLE_COUNT();
-       
+
        rc = ssi_buffer_mgr_map_blkcipher_request(ctx_p->drvdata, req_ctx, 
ivsize, nbytes, info, src, dst);
        if (unlikely(rc != 0)) {
                SSI_LOG_ERR("map_request() failed\n");
@@ -863,7 +863,7 @@ static int ssi_blkcipher_process(
        }
        /* Data processing */
        ssi_blkcipher_create_data_desc(tfm,
-                             req_ctx, 
+                             req_ctx,
                              dst, src,
                              nbytes,
                              areq,
@@ -880,7 +880,7 @@ static int ssi_blkcipher_process(
 
        /* STAT_PHASE_3: Lock HW and push sequence */
        START_CYCLE_COUNT();
-       
+
        rc = send_request(ctx_p->drvdata, &ssi_req, desc, seq_len, (areq == 
NULL)? 0:1);
        if(areq != NULL) {
                if (unlikely(rc != -EINPROGRESS)) {
@@ -892,17 +892,17 @@ static int ssi_blkcipher_process(
        } else {
                if (rc != 0) {
                        ssi_buffer_mgr_unmap_blkcipher_request(dev, req_ctx, 
ivsize, src, dst);
-                       END_CYCLE_COUNT(ssi_req.op_type, STAT_PHASE_3);         
   
+                       END_CYCLE_COUNT(ssi_req.op_type, STAT_PHASE_3);
                } else {
                        END_CYCLE_COUNT(ssi_req.op_type, STAT_PHASE_3);
                        rc = ssi_blkcipher_complete(dev, ctx_p, req_ctx, dst, 
src, info, ivsize, NULL, ctx_p->drvdata->cc_base);
-               } 
+               }
        }
 
 exit_process:
        if (cts_restore_flag != 0)
                ctx_p->cipher_mode = DRV_CIPHER_CBC_CTS;
-       
+
        return rc;
 }
 
@@ -941,7 +941,7 @@ static int ssi_sblkcipher_init(struct crypto_tfm *tfm)
 static void ssi_sblkcipher_exit(struct crypto_tfm *tfm)
 {
        struct ssi_ablkcipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
-       
+
        kfree(ctx_p->sync_ctx);
        SSI_LOG_DEBUG("Free sync ctx buffer in context ctx_p->sync_ctx=@%p\n", 
ctx_p->sync_ctx);
 
@@ -987,15 +987,15 @@ static int ssi_sblkcipher_decrypt(struct blkcipher_desc 
*desc,
 static int ssi_ablkcipher_init(struct crypto_tfm *tfm)
 {
        struct ablkcipher_tfm *ablktfm = &tfm->crt_ablkcipher;
-       
+
        ablktfm->reqsize = sizeof(struct blkcipher_req_ctx);
 
        return ssi_blkcipher_init(tfm);
 }
 
 
-static int ssi_ablkcipher_setkey(struct crypto_ablkcipher *tfm, 
-                               const u8 *key, 
+static int ssi_ablkcipher_setkey(struct crypto_ablkcipher *tfm,
+                               const u8 *key,
                                unsigned int keylen)
 {
        return ssi_blkcipher_setkey(crypto_ablkcipher_tfm(tfm), key, keylen);
@@ -1383,7 +1383,7 @@ static struct ssi_alg_template blkcipher_algs[] = {
 #endif /*SSI_CC_HAS_MULTI2*/
 };
 
-static 
+static
 struct ssi_crypto_alg *ssi_ablkcipher_create_alg(struct ssi_alg_template 
*template)
 {
        struct ssi_crypto_alg *t_alg;
@@ -1405,7 +1405,7 @@ struct ssi_crypto_alg *ssi_ablkcipher_create_alg(struct 
ssi_alg_template *templa
        alg->cra_blocksize = template->blocksize;
        alg->cra_alignmask = 0;
        alg->cra_ctxsize = sizeof(struct ssi_ablkcipher_ctx);
-       
+
        alg->cra_init = template->synchronous? 
ssi_sblkcipher_init:ssi_ablkcipher_init;
        alg->cra_exit = template->synchronous? 
ssi_sblkcipher_exit:ssi_blkcipher_exit;
        alg->cra_type = template->synchronous? 
&crypto_blkcipher_type:&crypto_ablkcipher_type;
@@ -1428,7 +1428,7 @@ struct ssi_crypto_alg *ssi_ablkcipher_create_alg(struct 
ssi_alg_template *templa
 int ssi_ablkcipher_free(struct ssi_drvdata *drvdata)
 {
        struct ssi_crypto_alg *t_alg, *n;
-       struct ssi_blkcipher_handle *blkcipher_handle = 
+       struct ssi_blkcipher_handle *blkcipher_handle =
                                                drvdata->blkcipher_handle;
        struct device *dev;
        dev = &drvdata->plat_dev->dev;
@@ -1489,9 +1489,9 @@ int ssi_ablkcipher_alloc(struct ssi_drvdata *drvdata)
                        kfree(t_alg);
                        goto fail0;
                } else {
-                       list_add_tail(&t_alg->entry, 
+                       list_add_tail(&t_alg->entry,
                                      &ablkcipher_handle->blkcipher_alg_list);
-                       SSI_LOG_DEBUG("Registered %s\n", 
+                       SSI_LOG_DEBUG("Registered %s\n",
                                        t_alg->crypto_alg.cra_driver_name);
                }
        }
-- 
2.7.4

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