diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/804-crypto-0023-MLK-10036-crypto-caam-add-support-for-DSM-with-Mega-.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/804-crypto-0023-MLK-10036-crypto-caam-add-support-for-DSM-with-Mega-.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/804-crypto-0023-MLK-10036-crypto-caam-add-support-for-DSM-with-Mega-.patch b/target/linux/layerscape/patches-5.4/804-crypto-0023-MLK-10036-crypto-caam-add-support-for-DSM-with-Mega-.patch new file mode 100644 index 0000000000..883cd42d09 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/804-crypto-0023-MLK-10036-crypto-caam-add-support-for-DSM-with-Mega-.patch @@ -0,0 +1,81 @@ +From 1ffdfbcd42dbb87f2841e45c0719a3fbcb2fe926 Mon Sep 17 00:00:00 2001 +From: Victoria Milhoan <vicki.milhoan@freescale.com> +Date: Thu, 18 Dec 2014 14:06:50 -0700 +Subject: [PATCH] MLK-10036 crypto: caam - add support for DSM with Mega/Fast + mix on +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This patch allows CAAM to be enabled as a wakeup source for the +Mega/Fast mix domain. If CAAM is enabled as a wakeup source, it +will continue to be powered on across Deep Sleep Mode (DSM). This +allows CAAM to be functional after the system resumes from DSM. + +Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com> +(cherry picked from commit 290744e3b40a563319324e234fa5a65b49fd4d82) +Signed-off-by: Dan Douglass <dan.douglass@freescale.com> +Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com> +(cherry picked from commit 0bf9c6f84f1d74d9e6d9384c4b11bbdf9301c94e) + +Changed commit headline prefix. + +Signed-off-by: Horia Geantă <horia.geanta@nxp.com> +--- + drivers/crypto/caam/jr.c | 33 +++++++++++++++++++++++++++++++++ + 1 file changed, 33 insertions(+) + +--- a/drivers/crypto/caam/jr.c ++++ b/drivers/crypto/caam/jr.c +@@ -561,11 +561,41 @@ static int caam_jr_probe(struct platform + + atomic_set(&jrpriv->tfm_count, 0); + ++ device_init_wakeup(&pdev->dev, 1); ++ device_set_wakeup_enable(&pdev->dev, false); ++ + register_algs(jrdev->parent); + + return 0; + } + ++#ifdef CONFIG_PM ++static int caam_jr_suspend(struct device *dev) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct caam_drv_private_jr *jrpriv = platform_get_drvdata(pdev); ++ ++ if (device_may_wakeup(&pdev->dev)) ++ enable_irq_wake(jrpriv->irq); ++ ++ return 0; ++} ++ ++static int caam_jr_resume(struct device *dev) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct caam_drv_private_jr *jrpriv = platform_get_drvdata(pdev); ++ ++ if (device_may_wakeup(&pdev->dev)) ++ disable_irq_wake(jrpriv->irq); ++ ++ return 0; ++} ++ ++static SIMPLE_DEV_PM_OPS(caam_jr_pm_ops, caam_jr_suspend, ++ caam_jr_resume); ++#endif ++ + static const struct of_device_id caam_jr_match[] = { + { + .compatible = "fsl,sec-v4.0-job-ring", +@@ -581,6 +611,9 @@ static struct platform_driver caam_jr_dr + .driver = { + .name = "caam_jr", + .of_match_table = caam_jr_match, ++#ifdef CONFIG_PM ++ .pm = &caam_jr_pm_ops, ++#endif + }, + .probe = caam_jr_probe, + .remove = caam_jr_remove, |