Re: [RFC 1/1] crypto: dcp - add power management support
flat view
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2021-03-26 07:17:46
Also in:
linux-arm-kernel, lkml
On Fri, Mar 19, 2021 at 02:22:57AM +0200, Dragos Rosioru (OSS) wrote:
quoted hunk ↗ jump to hunk
From: Dragos Rosioru <redacted> Added suspend/resume operations for PM support in the DCP driver. After a suspend/resume cycle DCP would still be in a low-power mode and have its clocks gated, thus requiring state to be saved beforehand: - Control register value(DCP_CTRL) - Channel control register value(DCP_CHANNELCTRL) Signed-off-by: Dragos Rosioru <redacted> --- drivers/crypto/mxs-dcp.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 74 insertions(+), 2 deletions(-)diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c index d6a7784..6748a4a 100644 --- a/drivers/crypto/mxs-dcp.c +++ b/drivers/crypto/mxs-dcp.c@@ -23,6 +23,10 @@ #include <crypto/internal/skcipher.h> #include <crypto/scatterwalk.h> +#ifdef CONFIG_PM_SLEEP +#include <linux/freezer.h> +#endif
Please find a way to rework this patch so that it's not full of these ifdefs. Thanks, -- Email: Herbert Xu [off-list ref] Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt