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path: root/drivers/crypto/ccree/cc_sram_mgr.c
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2020-02-22crypto: ccree - improve kerneldoc in cc_sram_mgr.[ch]Geert Uytterhoeven1-5/+11
Miscellaneous improvements: - Start comment blocks with "/**" to enable kerneldoc, - Mark parameters using "@" instead of "\param", - Fix typos in parameter names, - Add missing function names to kerneldoc headers, - Add missing parameter and return value descriptions. Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
2020-02-22crypto: ccree - remove struct cc_sram_ctxGeert Uytterhoeven1-22/+5
The cc_sram_ctx structure contains only a single member, and only one instance exists. Simplify the code and reduce memory consumption by moving this member to struct cc_drvdata. Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
2020-02-22crypto: ccree - use u32 for SRAM addressesGeert Uytterhoeven1-14/+10
SRAM addresses are small integer offsets into local SRAM. Currently they are stored using a mixture of cc_sram_addr_t (u64), u32, and dma_addr_t types. Settle on u32, and remove the cc_sram_addr_t typedefs. This allows to drop several casts. Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
2020-02-22crypto: ccree - remove bogus paragraph about freeing SRAMGeert Uytterhoeven1-3/+0
The SRAM allocator does not support deallocating memory. Hence remove all references to freeing SRAM. Fix grammar while at it. Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
2020-02-22crypto: ccree - remove empty cc_sram_mgr_fini()Geert Uytterhoeven1-10/+0
cc_sram_mgr_fini() doesn't do anything, so it can just be removed. Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
2019-04-25crypto: ccree - copyright header updateGilad Ben-Yossef1-1/+1
This sacrificial copyright header update is offered to the legal department as atonement for any changes made in this driver files in the course of the current year which have not been duly recorded as such. Signed-off-by: Gilad Ben-Yossef <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
2019-04-25crypto: ccree - use devm_kzalloc for device dataGilad Ben-Yossef1-3/+2
Move some remaining device data allocation to the safer devm_* interface. Signed-off-by: Gilad Ben-Yossef <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
2018-03-03crypto: ccree - add support for older HW revsGilad Ben-Yossef1-0/+14
Add support for the legacy CryptoCell 630 and 710 revs. Signed-off-by: Gilad Ben-Yossef <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
2018-02-15crypto: ccree - introduce CryptoCell driverGilad Ben-Yossef1-0/+106
Introduce basic low level Arm TrustZone CryptoCell HW support. This first patch doesn't actually register any Crypto API transformations, these will follow up in the next patch. This first revision supports the CC 712 REE component. Signed-off-by: Gilad Ben-Yossef <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
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