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crypto: ccp - Disable interrupts early on unload 

Ensure that we disable interrupts first when shutting down
the driver.

Cc: <stable@vger.kernel.org> # 4.9.x+

Signed-off-by: Gary R Hook <ghook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Gary R Hook 2017-04-20 15:24:22 -05:00 committed by Herbert Xu
parent 56467cb11c
commit 116591fe3e
1 changed files with 2 additions and 2 deletions
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4
drivers/crypto/ccp/ccp-dev-v5.c
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@ -942,10 +942,10 @@ static void ccp5_destroy(struct ccp_device *ccp)
iowrite32(cmd_q->qcontrol & ~CMD5_Q_RUN, cmd_q->reg_control);
/* Disable the interrupts */
iowrite32(SUPPORTED_INTERRUPTS, cmd_q->reg_interrupt_status);
iowrite32(0x00, cmd_q->reg_int_enable);
/* Clear the interrupt status */
iowrite32(0x00, cmd_q->reg_int_enable);
iowrite32(SUPPORTED_INTERRUPTS, cmd_q->reg_interrupt_status);
ioread32(cmd_q->reg_int_status);
ioread32(cmd_q->reg_status);
}