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4 Commits

Author SHA1 Message Date
Christophe JAILLET
41f95d84fc dmaengine: milbeaut-xdmac: Fix a resource leak in the error handling path of the probe function 
commit d645148cc82ca7fbacaa601414a552184e9c6dd3 upstream.

'disable_xdmac()' should be called in the error handling path of the
probe function to undo a previous 'enable_xdmac()' call, as already
done in the remove function.

Fixes: a6e9be055d47 ("dmaengine: milbeaut-xdmac: Add XDMAC driver for Milbeaut platforms")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20201219132800.183254-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-01-17 14:17:02 +01:00
Gustavo A. R. Silva
466f966b1f dmaengine: Replace zero-length array with flexible-array 
There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://github.com/KSPP/linux/issues/21

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
 2020-06-15 23:08:30 -05:00
Vinod Koul
cdc3e30623 dmaengine: milbeaut-xdmac: remove redundant error log 
platform_get_irq() prints the error message, so caller need not do so,
remove the error line in this driver for platform_get_irq()

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20191106163128.1980714-2-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2019-11-08 09:26:17 +05:30
Jassi Brar
a6e9be055d dmaengine: milbeaut-xdmac: Add XDMAC driver for Milbeaut platforms 
Driver for Socionext Milbeaut XDMAC controller. The controller only
supports Mem-To-Mem transfers over upto 8 configurable channels.

Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Link: https://lore.kernel.org/r/20191015033219.14713-1-jassisinghbrar@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2019-10-18 13:32:18 +05:30