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| author | Tudor Ambarus <tudor-dan.ambarus@nxp.com> | 2017-02-10 15:07:16 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-02-15 08:23:38 +0300 |
| commit | 4d8348d8e3bfc3e37f3cbaaff3966a1fca8909ed (patch) | |
| tree | f625f568d03d2171b635f6cc6b93ec3f96c7be9a | |
| parent | b3b5fce7364b674b66c58adea1dd2a2f85b61dd7 (diff) | |
| download | linux-4d8348d8e3bfc3e37f3cbaaff3966a1fca8909ed.tar.xz | |
crypto: caam - fix JR IO mapping if one fails
If one of the JRs failed at init, the next JR used
the failed JR's IO space. The patch fixes this bug.
Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/caam/ctrl.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index f825e3765a4b..579f8263c479 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -308,10 +308,8 @@ static int caam_remove(struct platform_device *pdev) ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl; /* Remove platform devices for JobRs */ - for (ring = 0; ring < ctrlpriv->total_jobrs; ring++) { - if (ctrlpriv->jrpdev[ring]) - of_device_unregister(ctrlpriv->jrpdev[ring]); - } + for (ring = 0; ring < ctrlpriv->total_jobrs; ring++) + of_device_unregister(ctrlpriv->jrpdev[ring]); /* De-initialize RNG state handles initialized by this driver. */ if (ctrlpriv->rng4_sh_init) @@ -423,7 +421,7 @@ DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u64_ro, caam_debugfs_u64_get, NULL, "%llu\n"); /* Probe routine for CAAM top (controller) level */ static int caam_probe(struct platform_device *pdev) { - int ret, ring, rspec, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; + int ret, ring, ridx, rspec, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; u64 caam_id; struct device *dev; struct device_node *nprop, *np; @@ -618,6 +616,7 @@ static int caam_probe(struct platform_device *pdev) } ring = 0; + ridx = 0; ctrlpriv->total_jobrs = 0; for_each_available_child_of_node(nprop, np) if (of_device_is_compatible(np, "fsl,sec-v4.0-job-ring") || @@ -625,17 +624,19 @@ static int caam_probe(struct platform_device *pdev) ctrlpriv->jrpdev[ring] = of_platform_device_create(np, NULL, dev); if (!ctrlpriv->jrpdev[ring]) { - pr_warn("JR%d Platform device creation error\n", - ring); + pr_warn("JR physical index %d: Platform device creation error\n", + ridx); + ridx++; continue; } ctrlpriv->jr[ring] = (struct caam_job_ring __iomem __force *) ((__force uint8_t *)ctrl + - (ring + JR_BLOCK_NUMBER) * + (ridx + JR_BLOCK_NUMBER) * BLOCK_OFFSET ); ctrlpriv->total_jobrs++; ring++; + ridx++; } /* Check to see if QI present. If so, enable */ |