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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-12 18:51:14 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-12 18:51:14 -0800
commitc597b6bcd5c624534afc3df65cdc42bb05173bca (patch)
tree8fedd26c5dc0357a10db08a6bef31085e2508280 /drivers/crypto/qat/qat_common/adf_transport.c
parent60b7eca1dc2ec066916b3b7ac6ad89bea13cb9af (diff)
parent48d627648141479c8be8acd110191072e24eba25 (diff)
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu: "Algorithms: - Add RSA padding algorithm Drivers: - Add GCM mode support to atmel - Add atmel support for SAMA5D2 devices - Add cipher modes to talitos - Add rockchip driver for rk3288 - Add qat support for C3XXX and C62X" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (103 commits) crypto: hifn_795x, picoxcell - use ablkcipher_request_cast crypto: qat - fix SKU definiftion for c3xxx dev crypto: qat - Fix random config build issue crypto: ccp - use to_pci_dev and to_platform_device crypto: qat - Rename dh895xcc mmp firmware crypto: 842 - remove WARN inside printk crypto: atmel-aes - add debug facilities to monitor register accesses. crypto: atmel-aes - add support to GCM mode crypto: atmel-aes - change the DMA threshold crypto: atmel-aes - fix the counter overflow in CTR mode crypto: atmel-aes - fix atmel-ctr-aes driver for RFC 3686 crypto: atmel-aes - create sections to regroup functions by usage crypto: atmel-aes - fix typo and indentation crypto: atmel-aes - use SIZE_IN_WORDS() helper macro crypto: atmel-aes - improve performances of data transfer crypto: atmel-aes - fix atmel_aes_remove() crypto: atmel-aes - remove useless AES_FLAGS_DMA flag crypto: atmel-aes - reduce latency of DMA completion crypto: atmel-aes - remove unused 'err' member of struct atmel_aes_dev crypto: atmel-aes - rework crypto request completion ...
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_transport.c')
-rw-r--r--drivers/crypto/qat/qat_common/adf_transport.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c
index 3865ae8d96d9..57d2622728a5 100644
--- a/drivers/crypto/qat/qat_common/adf_transport.c
+++ b/drivers/crypto/qat/qat_common/adf_transport.c
@@ -122,7 +122,7 @@ int adf_send_message(struct adf_etr_ring_data *ring, uint32_t *msg)
return -EAGAIN;
}
spin_lock_bh(&ring->lock);
- memcpy(ring->base_addr + ring->tail, msg,
+ memcpy((void *)((uintptr_t)ring->base_addr + ring->tail), msg,
ADF_MSG_SIZE_TO_BYTES(ring->msg_size));
ring->tail = adf_modulo(ring->tail +
@@ -137,23 +137,22 @@ int adf_send_message(struct adf_etr_ring_data *ring, uint32_t *msg)
static int adf_handle_response(struct adf_etr_ring_data *ring)
{
uint32_t msg_counter = 0;
- uint32_t *msg = (uint32_t *)(ring->base_addr + ring->head);
+ uint32_t *msg = (uint32_t *)((uintptr_t)ring->base_addr + ring->head);
while (*msg != ADF_RING_EMPTY_SIG) {
ring->callback((uint32_t *)msg);
+ atomic_dec(ring->inflights);
*msg = ADF_RING_EMPTY_SIG;
ring->head = adf_modulo(ring->head +
ADF_MSG_SIZE_TO_BYTES(ring->msg_size),
ADF_RING_SIZE_MODULO(ring->ring_size));
msg_counter++;
- msg = (uint32_t *)(ring->base_addr + ring->head);
+ msg = (uint32_t *)((uintptr_t)ring->base_addr + ring->head);
}
- if (msg_counter > 0) {
+ if (msg_counter > 0)
WRITE_CSR_RING_HEAD(ring->bank->csr_addr,
ring->bank->bank_number,
ring->ring_number, ring->head);
- atomic_sub(msg_counter, ring->inflights);
- }
return 0;
}
@@ -342,27 +341,15 @@ static void adf_ring_response_handler(struct adf_etr_bank_data *bank)
}
}
-/**
- * adf_response_handler() - Bottom half handler response handler
- * @bank_addr: Address of a ring bank for with the BH was scheduled.
- *
- * Function is the bottom half handler for the response from acceleration
- * device. There is one handler for every ring bank. Function checks all
- * communication rings in the bank.
- * To be used by QAT device specific drivers.
- *
- * Return: void
- */
-void adf_response_handler(unsigned long bank_addr)
+void adf_response_handler(uintptr_t bank_addr)
{
struct adf_etr_bank_data *bank = (void *)bank_addr;
- /* Handle all the responses nad reenable IRQs */
+ /* Handle all the responses and reenable IRQs */
adf_ring_response_handler(bank);
WRITE_CSR_INT_FLAG_AND_COL(bank->csr_addr, bank->bank_number,
bank->irq_mask);
}
-EXPORT_SYMBOL_GPL(adf_response_handler);
static inline int adf_get_cfg_int(struct adf_accel_dev *accel_dev,
const char *section, const char *format,
@@ -447,6 +434,7 @@ static int adf_init_bank(struct adf_accel_dev *accel_dev,
goto err;
}
+ WRITE_CSR_INT_FLAG(csr_addr, bank_num, ADF_BANK_INT_FLAG_CLEAR_MASK);
WRITE_CSR_INT_SRCSEL(csr_addr, bank_num);
return 0;
err: