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path: root/drivers/nvmem/mxs-ocotp.c
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2017-11-08nvmem: set nvmem->owner to nvmem->dev->driver->owner if unsetMasahiro Yamada1-1/+0
All nvmem drivers are supposed to set the owner field of struct nvmem_config, but this matches nvmem->dev->driver->owner. As far as I see in drivers/nvmem/ directory, all the drivers are the case. So, make nvmem_register() set the nvmem's owner to the associated driver's owner unless nvmem_config sets otherwise. Remove .owner settings in the drivers that are now redundant. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-25nvmem: mxs-ocotp: remove nvmem regmap dependencySrinivas Kandagatla1-61/+22
Regmap raw accessors are bus specific implementations, using regmap raw apis in nvmem breaks nvmem providers based on regmap mmio. This patch moves to nvmem support in the driver to use callback instead of regmap, which is what the nvmem core supports now. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Acked-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-02nvmem: mxs-ocotp: fix buffer overflow in readStanislav Meduna1-2/+2
This patch fixes the issue where the mxs_ocotp_read is reading the ocotp in reg_size steps but decrements the remaining size by 1. The number of iterations is thus four times higher, overwriting the area behind the output buffer. Fixes: c01e9a11ab6f ("nvmem: add driver for ocotp in i.MX23 and i.MX28") Tested-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Stanislav Meduna <stano@meduna.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04nvmem: add driver for ocotp in i.MX23 and i.MX28Stefan Wahren1-0/+257
This patch brings read-only support for the On-Chip OTP cells in the i.MX23 and i.MX28 processor. The driver implements the new NVMEM provider API. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>