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path: root/drivers/i2c/busses/i2c-xgene-slimpro.c (follow)
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* i2c: xgene: Fix missing code of DTB supportTin Huynh2016-12-171-0/+1
| | | | | | | | | In DTB case, i2c-core doesn't create slave device which is installed on i2c-xgene bus because of missing code in this driver. This patch fixes this issue. Signed-off-by: Tin Huynh <tnhuynh@apm.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* i2c: xgene: Avoid dma_buffer overrunHoan Tran2016-10-251-1/+1
| | | | | | | | | | SMBus block command uses the first byte of buffer for the data length. The dma_buffer should be increased by 1 to avoid the overrun issue. Reported-by: Phil Endecott <phil_gjouf_endecott@chezphil.org> Signed-off-by: Hoan Tran <hotran@apm.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org
* i2c: don't print error when adding adapter failsWolfram Sang2016-08-221-1/+0
| | | | | | | | | | | | | | | | | The core will do this for us now. Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Acked-by: Peter Korsgaard <peter@korsgaard.com> Acked-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Thierry Reding <treding@nvidia.com> Acked-by: Ray Jui <ray.jui@broadcom.com> Acked-by: Vladimir Zapolskiy <vz@mleia.com> Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com> Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* i2c: xgene-slimpro: dma_mapping_error() doesn't return an error codeDan Carpenter2015-08-241-4/+4
| | | | | | | | | | The dma_mapping_error() function returns true if there is an error, it doesn't return an error code. We should return -ENOMEM. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org
* i2c: xgene-slimpro: Fix missing mbox_free_channel call in probe error pathAxel Lin2015-07-091-0/+1
| | | | | | | Free requested mailbox channel before return error. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* i2c: busses: xgene-slimpro: fix incorrect __init declation for probeFeng Kan2015-06-101-1/+1
| | | | | | | | Fix section mismatch error during kernel build for xgene_slimpro_i2c_probe function. It was incorrectly defined with __init declaration. Signed-off-by: Feng Kan <fkan@apm.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* i2c: add SLIMpro I2C device driver on APM X-Gene platformFeng Kan2015-05-121-0/+469
Add SLIMpro I2C device driver on APM X-Gene platform. This I2C device driver use the SLIMpro Mailbox driver to tunnel message to the SLIMpro coprocessor to do the work of accessing I2C components. Signed-off-by: Feng Kan <fkan@apm.com> Signed-off-by: Hieu Le <hnle@apm.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>