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7 Commits

Author SHA1 Message Date
Tin Huynh
1635c5d04e i2c: xgene: Fix missing code of DTB support 
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>
 2016-12-17 19:35:41 +01:00
Hoan Tran
603616017c i2c: xgene: Avoid dma_buffer overrun 
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
 2016-10-25 11:50:52 +02:00
Wolfram Sang
ea734404f3 i2c: don't print error when adding adapter fails 
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>
 2016-08-22 08:19:55 +02:00
Dan Carpenter
a4a9a8cb32 i2c: xgene-slimpro: dma_mapping_error() doesn't return an error code 
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
 2015-08-24 14:23:31 +02:00
Axel Lin
724948106e i2c: xgene-slimpro: Fix missing mbox_free_channel call in probe error path 
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>
 2015-07-09 22:13:10 +02:00
Feng Kan
d845340394 i2c: busses: xgene-slimpro: fix incorrect __init declation for probe 
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>
 2015-06-10 22:17:34 +09:00
Feng Kan
f6505fbabc i2c: add SLIMpro I2C device driver on APM X-Gene platform 
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>
 2015-05-12 22:06:05 +02:00