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Commit 116591fe authored by Gary R Hook's avatar Gary R Hook Committed by Herbert Xu
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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: default avatarGary R Hook <ghook@amd.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 56467cb1

drivers/crypto/ccp/ccp-dev-v5.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

	}