diff options
| author | Gary R Hook <gary.hook@amd.com> | 2017-04-20 23:24:09 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-04-21 15:30:56 +0300 |
| commit | 56467cb11cf8ae4db9003f54b3d3425b5f07a10a (patch) | |
| tree | 0f51509aec6c9c379cd498e427f1221340d4a4b5 /drivers/crypto/ccp/ccp-dev-v5.c | |
| parent | 7701d1ff8ed1b8d71dcccf1ae47470fe22942373 (diff) | |
| download | linux-56467cb11cf8ae4db9003f54b3d3425b5f07a10a.tar.xz | |
crypto: ccp - Use only the relevant interrupt bits
Each CCP queue can product interrupts for 4 conditions:
operation complete, queue empty, error, and queue stopped.
This driver only works with completion and error events.
Cc: <stable@vger.kernel.org> # 4.9.x+
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp/ccp-dev-v5.c')
| -rw-r--r-- | drivers/crypto/ccp/ccp-dev-v5.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c index e03d06a54d4e..c7972e733e43 100644 --- a/drivers/crypto/ccp/ccp-dev-v5.c +++ b/drivers/crypto/ccp/ccp-dev-v5.c @@ -801,7 +801,7 @@ static int ccp5_init(struct ccp_device *ccp) ioread32(cmd_q->reg_status); /* Clear the interrupts */ - iowrite32(ALL_INTERRUPTS, cmd_q->reg_interrupt_status); + iowrite32(SUPPORTED_INTERRUPTS, cmd_q->reg_interrupt_status); } dev_dbg(dev, "Requesting an IRQ...\n"); @@ -882,7 +882,7 @@ static int ccp5_init(struct ccp_device *ccp) /* Enable interrupts */ for (i = 0; i < ccp->cmd_q_count; i++) { cmd_q = &ccp->cmd_q[i]; - iowrite32(ALL_INTERRUPTS, cmd_q->reg_int_enable); + iowrite32(SUPPORTED_INTERRUPTS, cmd_q->reg_int_enable); } dev_dbg(dev, "Registering device...\n"); @@ -942,7 +942,7 @@ static void ccp5_destroy(struct ccp_device *ccp) iowrite32(cmd_q->qcontrol & ~CMD5_Q_RUN, cmd_q->reg_control); /* Disable the interrupts */ - iowrite32(ALL_INTERRUPTS, cmd_q->reg_interrupt_status); + iowrite32(SUPPORTED_INTERRUPTS, cmd_q->reg_interrupt_status); /* Clear the interrupt status */ iowrite32(0x00, cmd_q->reg_int_enable); @@ -1002,7 +1002,8 @@ static irqreturn_t ccp5_irq_handler(int irq, void *data) cmd_q->int_rcvd = 1; /* Acknowledge the interrupt and wake the kthread */ - iowrite32(ALL_INTERRUPTS, cmd_q->reg_interrupt_status); + iowrite32(SUPPORTED_INTERRUPTS, + cmd_q->reg_interrupt_status); wake_up_interruptible(&cmd_q->int_queue); } } |