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2 Commits

Author SHA1 Message Date
Krzysztof Kozlowski 3cd7040762 memory: renesas-rpc-if: simplify with PTR_ERR_OR_ZERO 
Use PTR_ERR_OR_ZERO to make the code a little bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200724074038.5597-17-krzk@kernel.org
 2020-08-17 20:43:50 +02:00
Sergei Shtylyov ca7d8b980b
memory: add Renesas RPC-IF driver 
Add the memory driver for Renesas RPC-IF which registers either SPI or
HyperFLash device depending on the contents of the device tree subnode.
It also provides the absract "back end" device APIs that can be used by
the "front end" SPI/MTD drivers to talk to the real hardware.

Based on the original patch by Mason Yang <masonccyang@mxic.com.tw>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Link: https://lore.kernel.org/r/9a3606ec-d4d0-c63a-4fb6-631ab38e621c@cogentembedded.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 2020-07-01 22:45:14 +01:00