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Commit 7f832645d0 ("dmaengine: ioatdma: remove ioatdma v2 registration")
missed to remove dca2_tag_map_valid() during its removal. Hence, since
then, dca2_tag_map_valid() is unused and make CC=clang W=1 warns:
drivers/dma/ioat/dca.c:44:19:
warning: unused function 'dca2_tag_map_valid' [-Wunused-function]
So, remove this unused function and get rid of a -Wused-function warning.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://lore.kernel.org/r/20201113081248.26416-1-lukas.bulwahn@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
We now use cpu_pm for saving and restoring device context for deeper SoC
idle states. But for omap3, we must also block idle if SDMA is busy.
If we don't block idle when SDMA is busy, we eventually end up saving and
restoring SDMA register state on PER domain idle while SDMA is active and
that causes at least audio playback to fail.
Fixes: 4c74ecf792 ("dmaengine: ti: omap-dma: Add device tree match data and use it for cpu_pm")
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20201109154013.11950-1-tony@atomide.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
gcc warns about a mismatch argument type when passing
'false' into a function that expects an enum:
drivers/dma/ti/k3-udma-private.c: In function 'xudma_tchan_get':
drivers/dma/ti/k3-udma-private.c:86:34: warning: implicit conversion from 'enum <anonymous>' to 'enum udma_tp_level' [-Wenum-conversion]
86 | return __udma_reserve_##res(ud, false, id); \
| ^~~~~
drivers/dma/ti/k3-udma-private.c:95:1: note: in expansion of macro 'XUDMA_GET_PUT_RESOURCE'
95 | XUDMA_GET_PUT_RESOURCE(tchan);
| ^~~~~~~~~~~~~~~~~~~~~~
In this case, false has the same numerical value as
UDMA_TP_NORMAL, so passing that is most likely the correct
way to avoid the warning without changing the behavior.
Fixes: d702419134 ("dmaengine: ti: k3-udma: Add glue layer for non DMAengine users")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20201026160123.3704531-1-arnd@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Pull ARM SoC-related driver updates from Olof Johansson:
"Various driver updates for platforms. A bulk of this is smaller fixes
or cleanups, but some of the new material this time around is:
- Support for Nvidia Tegra234 SoC
- Ring accelerator support for TI AM65x
- PRUSS driver for TI platforms
- Renesas support for R-Car V3U SoC
- Reset support for Cortex-M4 processor on i.MX8MQ
There are also new socinfo entries for a handful of different SoCs and
platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (131 commits)
drm/mediatek: reduce clear event
soc: mediatek: cmdq: add clear option in cmdq_pkt_wfe api
soc: mediatek: cmdq: add jump function
soc: mediatek: cmdq: add write_s_mask value function
soc: mediatek: cmdq: add write_s value function
soc: mediatek: cmdq: add read_s function
soc: mediatek: cmdq: add write_s_mask function
soc: mediatek: cmdq: add write_s function
soc: mediatek: cmdq: add address shift in jump
soc: mediatek: mtk-infracfg: Fix kerneldoc
soc: amlogic: pm-domains: use always-on flag
reset: sti: reset-syscfg: fix struct description warnings
reset: imx7: add the cm4 reset for i.MX8MQ
dt-bindings: reset: imx8mq: add m4 reset
reset: Fix and extend kerneldoc
reset: reset-zynqmp: Added support for Versal platform
dt-bindings: reset: Updated binding for Versal reset driver
reset: imx7: Support module build
soc: fsl: qe: Remove unnessesary check in ucc_set_tdm_rxtx_clk
soc: fsl: qman: convert to use be32_add_cpu()
...
Driver doesn't use keyword enum for enum owl_dmadesc_offsets resulting
in warning:
drivers/dma/owl-dma.c:139: warning: cannot understand function prototype:
'enum owl_dmadesc_offsets '
So add the keyword to fix it and also add documentation for missing
OWL_DMADESC_SIZE
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20201007083113.567559-6-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Commit 6752e40d66 ("dmaengine: altera-msgdma: convert tasklets to use
new tasklet_setup() API") updated driver to use new tasklet_setup() API
but missed to update the documentation for the tasklet function.
Fixes: 6752e40d66 ("dmaengine: altera-msgdma: convert tasklets to use new tasklet_setup() API")
Link: https://lore.kernel.org/r/20201007083113.567559-2-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Commit 59cd818763 ("dmaengine: fsl: convert tasklets to use new
tasklet_setup() API") broke this driver by not removing the old channel
update method.
Fix this by remove the offending call as channel is queried from
tasklet structure.
Fixes: 59cd818763 ("dmaengine: fsl: convert tasklets to use new tasklet_setup() API")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20201001164740.178977-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The jz4780_dma_tx_status() function would check if a channel's cookie
state was set to 'completed', and if not, it would enter the critical
section. However, in that time frame, the jz4780_dma_chan_irq() function
was able to set the cookie to 'completed', and clear the jzchan->vchan
pointer, which was deferenced in the critical section of the first
function.
Fix this race by checking the channel's cookie state after entering the
critical function and not before.
Fixes: d894fc6046 ("dmaengine: jz4780: add driver for the Ingenic JZ4780 DMA controller")
Cc: stable@vger.kernel.org # v4.0
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reported-by: Artur Rojek <contact@artur-rojek.eu>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Link: https://lore.kernel.org/r/20201004140307.885556-1-paul@crapouillou.net
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Commit 59cd818763 ("dmaengine: fsl: convert tasklets to use new
tasklet_setup() API") converted the pl330 driver to use new tasklet
functions but missed that driver calls the tasklet function directly as
well, so update it.
Fixes: 59cd818763 ("dmaengine: fsl: convert tasklets to use new tasklet_setup() API")
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20200930121735.49699-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Andy reported that commit 6b41030fdc ("dmaengine: dmatest:
Restore default for channel") broke his scripts for the case
where "busy" channel is used for configuration with expectation
that run command would do nothing. Instead, behavior was
(unintentionally) changed to treat such case as under-configuration
and progress with defaults, i.e. run command would start a test
with default setting for channel (which would use all channels).
Restore original behavior with tracking status of channel setter
so we can distinguish between misconfigured and under-configured
cases in run command and act accordingly.
Fixes: 6b41030fdc ("dmaengine: dmatest: Restore default for channel")
Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200922115847.30100-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Now the K3 UDMA glue layer enable functions perform RMW operation on UDMA
RX/TX RT_CTL registers to set EN bit and enable channel, which is
incorrect, because only EN bit has to be set in those registers to enable
channel (all other bits should be cleared 0).
More over, this causes issues when bootloader leaves UDMA channel RX/TX
RT_CTL registers in incorrect state - TDOWN bit set, for example. As
result, UDMA channel will just perform teardown right after it's enabled.
Hence, fix it by writing correct values (EN=1) directly in UDMA channel
RX/TX RT_CTL registers in k3_udma_glue_enable_tx/rx_chn() functions.
Fixes: d702419134 ("dmaengine: ti: k3-udma: Add glue layer for non DMAengine users")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200916120955.7963-1-grygorii.strashko@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/iop-adma.c: In function ‘iop_adma_alloc_chan_resources’:
drivers/dma/iop-adma.c:447:13: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
hw_desc = (char *) iop_chan->device->dma_desc_pool;
^
drivers/dma/iop-adma.c:449:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
(dma_addr_t) &hw_desc[idx * IOP_ADMA_SLOT_SIZE];
^
drivers/dma/iop-adma.c: In function ‘iop_adma_probe’:
drivers/dma/iop-adma.c:1301:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
(void *) adev->dma_desc_pool);
Use dma_addr_t for dma_desc_pool, and %pad to print dma_addr_t.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20200818115101.55700-1-yuehaibing@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
'desc' variable is now defined but not used in sf_pdma_donebh_tasklet(),
causing this warning:
drivers/dma/sf-pdma/sf-pdma.c: In function 'sf_pdma_donebh_tasklet':
drivers/dma/sf-pdma/sf-pdma.c:287:23: warning: unused variable 'desc' [-Wunused-variable]
Remove this unused variable
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/20200914055302.22962-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
