diff options
| author | Lee Jones <lee.jones@linaro.org> | 2013-05-15 10:51:36 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-05-23 21:14:07 +0200 |
| commit | 85c5632d1f7f487d6ac0fb187ee0dacded60abc4 (patch) | |
| tree | e5737e63db8b33347404f8c370a025ffdb02c72b /drivers/crypto/ux500/hash/hash_core.c | |
| parent | 58ba67dd36aa393132108ffcaa83873a1f82d70a (diff) | |
crypto: ux500/hash - Set DMA configuration though dma_slave_config()
The DMA controller currently takes configuration information from
information passed though dma_channel_request(), but it shouldn't.
Using the API, the DMA channel should only be configured during
a dma_slave_config() call.
Cc: David S. Miller <davem@davemloft.net>
Cc: Andreas Westin <andreas.westin@stericsson.com>
Cc: linux-crypto@vger.kernel.org
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/crypto/ux500/hash/hash_core.c')
| -rw-r--r-- | drivers/crypto/ux500/hash/hash_core.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c index 4b024280def1..62695764de1c 100644 --- a/drivers/crypto/ux500/hash/hash_core.c +++ b/drivers/crypto/ux500/hash/hash_core.c @@ -122,6 +122,13 @@ static void hash_dma_setup_channel(struct hash_device_data *device_data, struct device *dev) { struct hash_platform_data *platform_data = dev->platform_data; + struct dma_slave_config conf = { + .direction = DMA_MEM_TO_DEV, + .dst_addr = device_data->phybase + HASH_DMA_FIFO, + .dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES, + .dst_maxburst = 16, + }; + dma_cap_zero(device_data->dma.mask); dma_cap_set(DMA_SLAVE, device_data->dma.mask); @@ -131,6 +138,8 @@ static void hash_dma_setup_channel(struct hash_device_data *device_data, platform_data->dma_filter, device_data->dma.cfg_mem2hash); + dmaengine_slave_config(device_data->dma.chan_mem2hash, &conf); + init_completion(&device_data->dma.complete); } @@ -1699,6 +1708,7 @@ static int ux500_hash_probe(struct platform_device *pdev) goto out_kfree; } + device_data->phybase = res->start; device_data->base = ioremap(res->start, resource_size(res)); if (!device_data->base) { dev_err(dev, "[%s] ioremap() failed!", |