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