From: Cyrille Pitchen <cyrille.pitchen@atmel.com> To: <herbert@gondor.apana.org.au>, <davem@davemloft.net>, <nicolas.ferre@atmel.com> Cc: <linux-crypto@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, Cyrille Pitchen <cyrille.pitchen@atmel.com> Subject: [PATCH 13/24] crypto: atmel-aes: reduce latency of DMA completion Date: Thu, 17 Dec 2015 17:48:44 +0100 [thread overview] Message-ID: <a8f43f97c34da143330a883cac79ac5f83f5b859.1450366831.git.cyrille.pitchen@atmel.com> (raw) In-Reply-To: <cover.1450366831.git.cyrille.pitchen@atmel.com> atmel_aes_dma_callback() now directly calls the 'resume' callback instead of scheduling the done task, which in turn only calls the very same 'resume' callback. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> --- drivers/crypto/atmel-aes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index 25dc7bd73532..8a2b3e81c087 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -337,8 +337,8 @@ static void atmel_aes_dma_callback(void *data) { struct atmel_aes_dev *dd = data; - /* dma_lch_out - completed */ - tasklet_schedule(&dd->done_task); + dd->is_async = true; + (void)dd->resume(dd); } static int atmel_aes_crypt_dma(struct atmel_aes_dev *dd, -- 1.8.2.2
WARNING: multiple messages have this Message-ID (diff)
From: cyrille.pitchen@atmel.com (Cyrille Pitchen) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 13/24] crypto: atmel-aes: reduce latency of DMA completion Date: Thu, 17 Dec 2015 17:48:44 +0100 [thread overview] Message-ID: <a8f43f97c34da143330a883cac79ac5f83f5b859.1450366831.git.cyrille.pitchen@atmel.com> (raw) In-Reply-To: <cover.1450366831.git.cyrille.pitchen@atmel.com> atmel_aes_dma_callback() now directly calls the 'resume' callback instead of scheduling the done task, which in turn only calls the very same 'resume' callback. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> --- drivers/crypto/atmel-aes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index 25dc7bd73532..8a2b3e81c087 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -337,8 +337,8 @@ static void atmel_aes_dma_callback(void *data) { struct atmel_aes_dev *dd = data; - /* dma_lch_out - completed */ - tasklet_schedule(&dd->done_task); + dd->is_async = true; + (void)dd->resume(dd); } static int atmel_aes_crypt_dma(struct atmel_aes_dev *dd, -- 1.8.2.2
next prev parent reply other threads:[~2015-12-17 16:48 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-12-17 16:48 [PATCH 00/24] crypto: atmel-aes: global rework of the driver Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 01/24] crypto: atmel-aes: add new version Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 02/24] crypto: atmel-aes: constify value argument of atmel_aes_write_n() Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 03/24] crypto: atmel-aes: change algorithm priorities Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 04/24] crypto: atmel-aes: fix unregistration order of crypto algorithms Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 05/24] crypto: atmel-aes: remove unused header includes Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 06/24] crypto: atmel-aes: propagate error from atmel_aes_hw_version_init() Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 07/24] crypto: atmel-aes: change atmel_aes_write_ctrl() signature Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 08/24] crypto: atmel-aes: make crypto request queue management more generic Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 09/24] crypto: atmel-aes: remove useless write in the Control Register Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 10/24] crypto: atmel-aes: simplify the configuration of the AES IP Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 11/24] crypto: atmel-aes: rework crypto request completion Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 12/24] crypto: atmel-aes: remove unused 'err' member of struct atmel_aes_dev Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen [this message] 2015-12-17 16:48 ` [PATCH 13/24] crypto: atmel-aes: reduce latency of DMA completion Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 14/24] crypto: atmel-aes: remove useless AES_FLAGS_DMA flag Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 16:48 ` [PATCH 15/24] crypto: atmel-aes: fix atmel_aes_remove() Cyrille Pitchen 2015-12-17 16:48 ` Cyrille Pitchen 2015-12-17 17:13 ` [PATCH 16/24] crypto: atmel-aes: improve performances of data transfer Cyrille Pitchen 2015-12-17 17:13 ` Cyrille Pitchen 2015-12-17 17:13 ` [PATCH 17/24] crypto: atmel-aes: use SIZE_IN_WORDS() helper macro Cyrille Pitchen 2015-12-17 17:13 ` Cyrille Pitchen 2015-12-17 17:13 ` [PATCH 18/24] crypto: atmel-aes: fix typo and indentation Cyrille Pitchen 2015-12-17 17:13 ` Cyrille Pitchen 2015-12-17 17:13 ` [PATCH 19/24] crypto: atmel-aes: create sections to regroup functions by usage Cyrille Pitchen 2015-12-17 17:13 ` Cyrille Pitchen 2015-12-17 17:13 ` [PATCH 20/24] crypto: atmel-aes: fix atmel-ctr-aes driver for RFC 3686 Cyrille Pitchen 2015-12-17 17:13 ` Cyrille Pitchen 2015-12-17 17:13 ` [PATCH 21/24] crypto: atmel-aes: fix the counter overflow in CTR mode Cyrille Pitchen 2015-12-17 17:13 ` Cyrille Pitchen 2015-12-17 17:13 ` [PATCH 22/24] crypto: atmel-aes: change the DMA threshold Cyrille Pitchen 2015-12-17 17:13 ` Cyrille Pitchen 2015-12-17 17:13 ` [PATCH 23/24] crypto: atmel-aes: add support to GCM mode Cyrille Pitchen 2015-12-17 17:13 ` Cyrille Pitchen 2015-12-17 17:13 ` [PATCH 24/24] crypto: atmel-aes: add debug facilities to monitor register accesses Cyrille Pitchen 2015-12-17 17:13 ` Cyrille Pitchen 2015-12-23 10:24 ` [PATCH 00/24] crypto: atmel-aes: global rework of the driver Herbert Xu 2015-12-23 10:24 ` Herbert Xu
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