kernel/linux.git/drivers/crypto/caam/ctrl.c, branch v4.17.1

crypto: caam - do not use mem and emi_slow clock for imx7x

2018-03-02T16:03:40+00:00

I.MX7x only use two clocks for the CAAM module, so make sure we do not try to use the mem and the emi_slow clock when running in that imx7d and imx7s machine type. Cc: "Horia Geantă" Cc: Aymen Sghaier Cc: Fabio Estevam Cc: Peng Fan Cc: "David S. Miller" Cc: Lukas Auer Signed-off-by: Rui Miguel Silva Signed-off-by: Herbert Xu

crypto: caam - Fix null dereference at error path

2018-03-02T16:03:39+00:00

caam_remove already removes the debugfs entry, so we need to remove the one immediately before calling caam_remove. This fix a NULL dereference at error paths is caam_probe fail. Fixes: 67c2315def06 ("crypto: caam - add Queue Interface (QI) backend support") Tested-by: Ryan Harkin Cc: "Horia Geantă" Cc: Aymen Sghaier Cc: Fabio Estevam Cc: Peng Fan Cc: "David S. Miller" Cc: Lukas Auer Cc: # 4.12+ Reviewed-by: Horia Geantă Signed-off-by: Rui Miguel Silva Signed-off-by: Herbert Xu

crypto: caam - fix endless loop when DECO acquire fails

2018-02-08T11:38:13+00:00

In case DECO0 cannot be acquired - i.e. run_descriptor_deco0() fails with -ENODEV, caam_probe() enters an endless loop: run_descriptor_deco0 ret -ENODEV -> instantiate_rng -ENODEV, overwritten by -EAGAIN ret -EAGAIN -> caam_probe -EAGAIN results in endless loop It turns out the error path in instantiate_rng() is incorrect, the checks are done in the wrong order. Cc: # 3.13+ Fixes: 1005bccd7a4a6 ("crypto: caam - enable instantiation of all RNG4 state handles") Reported-by: Bryan O'Donoghue Suggested-by: Auer Lukas Signed-off-by: Horia Geantă Signed-off-by: Herbert Xu

crypto: caam - save Era in driver's private data

2017-12-28T06:56:47+00:00

Save Era in driver's private data for further usage, like deciding whether an erratum applies or a feature is available based on its value. Signed-off-by: Horia Geantă Signed-off-by: Herbert Xu

crypto: caam - fix LS1021A support on ARMv7 multiplatform kernel

2017-09-20T09:42:42+00:00

When built using multi_v7_defconfig, driver does not work on LS1021A: [...] caam 1700000.crypto: can't identify CAAM ipg clk: -2 caam: probe of 1700000.crypto failed with error -2 [...] It turns out we have to detect at runtime whether driver is running on an i.MX platform or not. Cc: Fixes: 6c3af9559352 ("crypto: caam - add support for LS1021A") Signed-off-by: Horia Geantă Signed-off-by: Herbert Xu

crypto: caam - Remove unused dentry members

2017-08-09T12:18:29+00:00

Most of the dentry members from structure caam_drv_private are never used at all, so it is safe to remove them. Since debugfs_remove_recursive() is called, we don't need the file entries. Signed-off-by: Fabio Estevam Acked-by: Horia Geantă Signed-off-by: Herbert Xu

crypto: caam/jr - add support for DPAA2 parts

2017-08-03T05:47:13+00:00

Add support for using the caam/jr backend on DPAA2-based SoCs. These have some particularities we have to account for: -HW S/G format is different -Management Complex (MC) firmware initializes / manages (partially) the CAAM block: MCFGR, QI enablement in QICTL, RNG Signed-off-by: Horia Geantă Signed-off-by: Herbert Xu

crypto: caam - remove unused variables in caam_drv_private

2017-07-18T10:16:06+00:00

Signed-off-by: Tudor Ambarus Signed-off-by: Horia Geantă Signed-off-by: Herbert Xu

Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2017-04-05T13:57:07+00:00

Merge the crypto tree to resolve conflict between caam changes.

crypto: caam - fix RNG deinstantiation error checking

2017-04-05T13:20:17+00:00

RNG instantiation was previously fixed by commit 62743a4145bb9 ("crypto: caam - fix RNG init descriptor ret. code checking") while deinstantiation was not addressed. Since the descriptors used are similar, in the sense that they both end with a JUMP HALT command, checking for errors should be similar too, i.e. status code 7000_0000h should be considered successful. Cc: # 3.13+ Fixes: 1005bccd7a4a6 ("crypto: caam - enable instantiation of all RNG4 state handles") Signed-off-by: Horia Geantă Signed-off-by: Herbert Xu