David reported:
[drivers/dma/imx-sdma.c:769]: (style) Variable 'emi_2_emi' is assigned a value that is never used

Since emi_2_emi is never used afterwards, remove thsi as well
Reported-by: NDavid Binderman <dcb314@hotmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>

David reported:
drivers/dma/imx-sdma.c:1003]: (style) Same expression on both sides of '|='

ORing with itself yields same result, So remove this
Reported-by: NDavid Binderman <dcb314@hotmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>

In cppi41_dma_prep_slave_sg() variable num is initialized to zero, but never
updated and a BUG_ON is checked for it being greater than zero which will be
always false.

Remove the bogus check and this variable
Reported-by: NDavid Binderman <linuxdev.baldrick@gmail.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Sinan Kaya <okaya@codeaurora.org>

debugfs file operations owner is set by core, so remove
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NRobert Jarzmik <robert.jarzmik@free.fr>

platform driver operations owner is set by core, so remove
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Xuelin Shi <xuelin.shi@freescale.com>

debugfs file operations owner is set by core, so remove
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NSinan Kaya <okaya@codeaurora.org>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Barry Song <Baohua.Song@csr.com>

drivers should ensure that tasklets are killed, so that they can't be
executed after driver remove is executed, so ensure they are killed.

This driver used vchan tasklets, so those need to be killed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Jassi Brar <jassisinghbrar@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Mario Six <mario.six@gdsys.cc>

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Jonas Jensen <jonas.jensen@gmail.com>

Sparse complains:

drivers/dma/mmp_tdma.c:407:22: warning: symbol 'mmp_tdma_alloc_descriptor' was not declared. Should it be static?
drivers/dma/mmp_tdma.c:595:17: warning: symbol 'mmp_tdma_xlate' was not declared. Should it be static?
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Qiao Zhou <zhouqiao@marvell.com>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NZhangfei Gao <zhangfei.gao@linaro.org>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NZhangfei Gao <zhangfei.gao@linaro.org>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>

imxdma_probe function starting brace is wrongly indented, so fix that
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Linus Walleij <linus.walleij@linaro.org>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>

drivers should ensure that tasklets are killed, so that they can't be
executed after driver remove is executed, so ensure they are killed.

This driver used vchan tasklets, so those need to be killed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Jingchang Lu <b35083@freescale.com>
Cc: Peter Griffin <peter.griffin@linaro.org>

drivers should ensure that tasklets are killed, so that they can't be
executed after driver remove is executed, so ensure they are killed.

This driver used vchan tasklets, so those need to be killed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NLars-Peter Clausen <lars@metafoo.de>

size_t should be printed with %zu, not %lu as driver did, so fix these
warning by doing this change

drivers/dma/fsl_raid.c: In function 'fsl_re_prep_dma_genq':
drivers/dma/fsl_raid.c:341:4: warning: format '%lu' expects argument of type
'long unsigned int', but argument 3 has type 'size_t' [-Wformat=]
    len, FSL_RE_MAX_DATA_LEN);
    ^
drivers/dma/fsl_raid.c: In function 'fsl_re_prep_dma_pq':
drivers/dma/fsl_raid.c:428:4: warning: format '%lu' expects argument of type
'long unsigned int', but argument 3 has type 'size_t' [-Wformat=]
    len, FSL_RE_MAX_DATA_LEN);
    ^
drivers/dma/fsl_raid.c: In function 'fsl_re_prep_dma_memcpy':
drivers/dma/fsl_raid.c:549:4: warning: format '%lu' expects argument of type
'long unsigned int', but argument 3 has type 'size_t' [-Wformat=]
    len, FSL_RE_MAX_DATA_LEN);
    ^
Signed-off-by: NVinod Koul <vinod.koul@intel.com>

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Xuelin Shi <xuelin.shi@freescale.com>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Cc: Jingchang Lu <b35083@freescale.com>
Cc: Peter Griffin <peter.griffin@linaro.org>

drivers should ensure that tasklets are killed, so that they can't be
executed after driver remove is executed, so ensure they are killed.

This driver used vchan tasklets, so those need to be killed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>

Sparse complains:

drivers/dma/coh901318.c:269:30: warning: symbol 'chan_config' was not declared. Should it be static?
drivers/dma/coh901318.c:2806:12: warning: symbol 'coh901318_init' was not declared. Should it be static?
drivers/dma/coh901318.c:2812:13: warning: symbol 'coh901318_exit' was not declared. Should it be static?
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>

dmaengine device should explicitly call devm_free_irq() when using
devm_request_irq().

The irq is still ON when devices remove is executed and irq should be
quiesced before remove is completed.
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>

This patch updates the dmatest client to
Support scatter-gather dma mode.
Signed-off-by: NKedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>