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| author | Shengzhou Liu <Shengzhou.Liu@freescale.com> | 2012-03-21 14:09:10 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-03-29 16:34:57 +0800 |
| commit | a0ea0f6d17a6f14319069b039b7a9ebf54009678 (patch) | |
| tree | b93604fcb422863fb01b60c38f0b3cc709eaa821 | |
| parent | 6a76a6992341faab0ef31e7d97000e0cf336d0ba (diff) | |
| download | linux-stable-a0ea0f6d17a6f14319069b039b7a9ebf54009678.tar.gz linux-stable-a0ea0f6d17a6f14319069b039b7a9ebf54009678.tar.bz2 linux-stable-a0ea0f6d17a6f14319069b039b7a9ebf54009678.zip | |
crypto: caam - add backward compatible string sec4.0
In some device trees of previous version, there were string "fsl,sec4.0".
To be backward compatible with device trees, we have CAAM driver first
check "fsl,sec-v4.0", if it fails, then check for "fsl,sec4.0".
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/caam/caamalg.c | 14 | ||||
| -rw-r--r-- | drivers/crypto/caam/ctrl.c | 16 |
2 files changed, 26 insertions, 4 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 534a36469d57..4eec389184d3 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -2267,8 +2267,11 @@ static void __exit caam_algapi_exit(void) int i, err; dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); - if (!dev_node) - return; + if (!dev_node) { + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0"); + if (!dev_node) + return; + } pdev = of_find_device_by_node(dev_node); if (!pdev) @@ -2350,8 +2353,11 @@ static int __init caam_algapi_init(void) int i = 0, err = 0; dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0"); - if (!dev_node) - return -ENODEV; + if (!dev_node) { + dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0"); + if (!dev_node) + return -ENODEV; + } pdev = of_find_device_by_node(dev_node); if (!pdev) diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index c5f61c55d923..77557ebcd337 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -98,6 +98,12 @@ static int caam_probe(struct platform_device *pdev) rspec = 0; for_each_compatible_node(np, NULL, "fsl,sec-v4.0-job-ring") rspec++; + if (!rspec) { + /* for backward compatible with device trees */ + for_each_compatible_node(np, NULL, "fsl,sec4.0-job-ring") + rspec++; + } + ctrlpriv->jrdev = kzalloc(sizeof(struct device *) * rspec, GFP_KERNEL); if (ctrlpriv->jrdev == NULL) { iounmap(&topregs->ctrl); @@ -111,6 +117,13 @@ static int caam_probe(struct platform_device *pdev) ctrlpriv->total_jobrs++; ring++; } + if (!ring) { + for_each_compatible_node(np, NULL, "fsl,sec4.0-job-ring") { + caam_jr_probe(pdev, np, ring); + ctrlpriv->total_jobrs++; + ring++; + } + } /* Check to see if QI present. If so, enable */ ctrlpriv->qi_present = !!(rd_reg64(&topregs->ctrl.perfmon.comp_parms) & @@ -226,6 +239,9 @@ static struct of_device_id caam_match[] = { { .compatible = "fsl,sec-v4.0", }, + { + .compatible = "fsl,sec4.0", + }, {}, }; MODULE_DEVICE_TABLE(of, caam_match); |