diff options
| author | Ofir Drang <ofir.drang@arm.com> | 2019-06-17 11:46:29 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-06-27 14:28:00 +0800 |
| commit | 3db617e77ae2f8051fd6f5d3fff0e15f086d5b4c (patch) | |
| tree | f44c64fa8ad02b19bd62575b3d5ba84ecd88c69a /drivers/crypto/ccree/cc_pm.c | |
| parent | d84f6269ce24eb4c468e246b24fc0fdce34ab6f6 (diff) | |
| download | linux-3db617e77ae2f8051fd6f5d3fff0e15f086d5b4c.tar.gz | |
crypto: ccree - prevent isr handling in case driver is suspended
ccree irq may be shared with other devices, in order to prevent ccree isr handling while device maybe suspended we added a check to verify that the device is not suspended. Signed-off-by: Ofir Drang <ofir.drang@arm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccree/cc_pm.c')
| -rw-r--r-- | drivers/crypto/ccree/cc_pm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c index 20f7f3d34e27..899a52f05b7a 100644 --- a/drivers/crypto/ccree/cc_pm.c +++ b/drivers/crypto/ccree/cc_pm.c @@ -106,6 +106,12 @@ int cc_pm_put_suspend(struct device *dev) return rc; } +bool cc_pm_is_dev_suspended(struct device *dev) +{ + /* check device state using runtime api */ + return pm_runtime_suspended(dev); +} + int cc_pm_init(struct cc_drvdata *drvdata) { struct device *dev = drvdata_to_dev(drvdata); |