Bhumika Goyal
92d9d0dfb0
i2c: busses: constify i2c_algorithm structures
...
Declare i2c_algorithm structures as const as they are only stored in the
algo field of an i2c_adapter structure. This field is of type const, so
i2c_algorithm structures having this property can be made const too.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com >
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de > for
Acked-by: Patrice Chotard <patrice.chotard@st.com >
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com >
Reviewed-by: Jean Delvare <jdelvare@suse.de >
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com >
Signed-off-by: Wolfram Sang <wsa@the-dreams.de >
2017-02-09 17:06:52 +01:00
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
