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| author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 13:56:16 +0200 |
|---|---|---|
| committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 13:56:16 +0200 |
| commit | ff67a6b9aaddb2dea6ed4a3f7df8a0c6acf131c2 (patch) | |
| tree | 34d81901340c14191fab6e0c5a424f45385ae2aa /drivers/crypto/amcc/crypto4xx_core.c | |
| parent | e7549b926dd3ceec048f5689df90d4ec970c9419 (diff) | |
| download | kernel_samsung_smdk4412-ff67a6b9aaddb2dea6ed4a3f7df8a0c6acf131c2.zip kernel_samsung_smdk4412-ff67a6b9aaddb2dea6ed4a3f7df8a0c6acf131c2.tar.gz kernel_samsung_smdk4412-ff67a6b9aaddb2dea6ed4a3f7df8a0c6acf131c2.tar.bz2 | |
last driver import from 3.2.72 for now
Diffstat (limited to 'drivers/crypto/amcc/crypto4xx_core.c')
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c index 1891252..1d103f9 100644 --- a/drivers/crypto/amcc/crypto4xx_core.c +++ b/drivers/crypto/amcc/crypto4xx_core.c @@ -51,6 +51,7 @@ static void crypto4xx_hw_init(struct crypto4xx_device *dev) union ce_io_threshold io_threshold; u32 rand_num; union ce_pe_dma_cfg pe_dma_cfg; + u32 device_ctrl; writel(PPC4XX_BYTE_ORDER, dev->ce_base + CRYPTO4XX_BYTE_ORDER_CFG); /* setup pe dma, include reset sg, pdr and pe, then release reset */ @@ -84,7 +85,9 @@ static void crypto4xx_hw_init(struct crypto4xx_device *dev) writel(ring_size.w, dev->ce_base + CRYPTO4XX_RING_SIZE); ring_ctrl.w = 0; writel(ring_ctrl.w, dev->ce_base + CRYPTO4XX_RING_CTRL); - writel(PPC4XX_DC_3DES_EN, dev->ce_base + CRYPTO4XX_DEVICE_CTRL); + device_ctrl = readl(dev->ce_base + CRYPTO4XX_DEVICE_CTRL); + device_ctrl |= PPC4XX_DC_3DES_EN; + writel(device_ctrl, dev->ce_base + CRYPTO4XX_DEVICE_CTRL); writel(dev->gdr_pa, dev->ce_base + CRYPTO4XX_GATH_RING_BASE); writel(dev->sdr_pa, dev->ce_base + CRYPTO4XX_SCAT_RING_BASE); part_ring_size.w = 0; |