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8 Commits

Author SHA1 Message Date
Cristian Stoica 5be4d4c94b crypto: replace scatterwalk_sg_next with sg_next 
Modify crypto drivers to use the generic SG helper since
both of them are equivalent and the one from crypto is redundant.

See also:
  468577abe3   reverted in
  b2ab4a57b0

Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2015-01-26 11:34:22 +11:00
Asaf Vertz 42d2e780c6 crypto: omap-des - fix BUG_ON condition 
dd->total is unsigned so it won't do any good to check for negative
value after subtracting instead of that we should check if the
subtracted value is bigger than him

This was partially found by using a static code analysis program
called cppcheck.

Signed-off-by: Asaf Vertz <asaf.vertz@tandemg.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2015-01-08 21:46:17 +11:00
Wolfram Sang 5573bc03c6 crypto: drop owner assignment from platform_drivers 
A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2014-10-20 16:20:25 +02:00
Nishanth Menon f51f593b3e crypto: omap-des - handle error of pm_runtime_get_sync 
pm_runtime_get_sync may not always succeed depending on SoC involved.
So handle the error appropriately ensuring usage_count is accurate in
case of failure.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Reported-by: Joachim Eastwood <manabian@gmail.com>
Tested-by: Joachim Eastwood <manabian@gmail.com>
Acked-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2014-04-16 20:40:19 +08:00
Jingoo Han 2496be2edd crypto: omap-des - use devm_ioremap_resource() 
Use devm_ioremap_resource() because devm_request_and_ioremap() is
obsoleted by devm_ioremap_resource().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Joel Fernandes <joelf@ti.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2014-04-16 20:40:11 +08:00
Jingoo Han 26f25b2695 crypto: omap-des - make local functions static 
Make omap_des_copy_needed(), omap_des_copy_sgs(), because these
functions are used only in this file.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2014-03-10 20:13:40 +08:00
Jingoo Han e78f91932d crypto: omap-des - Use SIMPLE_DEV_PM_OPS macro 
Use SIMPLE_DEV_PM_OPS macro in order to make the code simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2014-03-10 20:13:39 +08:00
Joel Fernandes e91aa9d50c crypto: omap-des - Add omap-des driver for OMAP4/AM43xx 
Add omap-des driver with platform data for OMAP4/AM43xx. Support added for DES
ECB and CBC modes. Also add support for 3DES operation where 3 64-bit keys are
used to perform a DES encrypt-decrypt-encrypt (des3_ede) operation on a buffer.

Tests have been conducted with the CRYPTO test manager, and functionality is
verified at different page length alignments.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2014-02-27 05:56:56 +08:00