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39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
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From 4f59ceff69a20d28881848140ef5fc2888042e62 Mon Sep 17 00:00:00 2001
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From: Gagandeep Singh <g.singh@nxp.com>
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Date: Mon, 17 Feb 2020 16:41:01 +0000
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Subject: [PATCH] LF-933: crypto: caam: fix iosource busy issue
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The caam controller driver claims the ownership of the
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whole caam register space due to which while binding the
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Job Ring to fsl-jr-uio driver, it returns IOSOURCE_BUSY
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error.
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This patch replaces devm_request_mem_region() API with
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platform_get_resource() to avoid this issue.
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Fixes: eb5e94d4624a ("crypto: caam - use devres to unmap memory")
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Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
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Acked-by: Horia Geanta <horia.geanta@nxp.com>
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---
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drivers/crypto/caam/fsl_jr_uio.c | 7 +++----
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1 file changed, 3 insertions(+), 4 deletions(-)
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--- a/drivers/crypto/caam/fsl_jr_uio.c
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+++ b/drivers/crypto/caam/fsl_jr_uio.c
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@@ -187,11 +187,10 @@ static int fsl_jr_probe(struct platform_
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goto abort;
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}
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- jr_dev->res = devm_request_mem_region(&dev->dev, regs.start,
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- regs.end - regs.start + 1,
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- jr_dev->info.name);
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+
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+ jr_dev->res = platform_get_resource(dev, IORESOURCE_MEM, 0);
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if (unlikely(!jr_dev->res)) {
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- dev_err(jr_dev->dev, "devm_request_mem_region failed\n");
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+ dev_err(jr_dev->dev, "platform_get_resource() failed\n");
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ret = -ENOMEM;
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goto abort;
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}
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