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Author SHA1 Message Date
Heiner Kallweit
f04b4fb47d
ASoC: sh: rz-ssi: Check return value of pm_runtime_resume_and_get()
The return value of pm_runtime_resume_and_get() needs to be checked to
avoid a usage count imbalance in the error case. This fix is basically
the same as 92c959bae2 ("reset: renesas: Fix Runtime PM usage"),
and the last step before pm_runtime_resume_and_get() can be annotated
as __must_check.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/9fed506d-b780-55cd-45a4-9bd2407c910f@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-17 16:21:17 +00:00
Biju Das
4b14f17912
ASoC: sh: rz-ssi: Improve error handling in rz_ssi_dma_request function
dma_request_chan() returns error pointer in case of failures, but
the rz_ssi_dma_request() checked for NULL pointer instead.

This patch fixes the issue by checking for ERR_PTR() instead of
NULL and sets the DMA pointers to NULL in error case so that ssi
can fallback to PIO mode.

Fixes: 26ac471c53 ("ASoC: sh: rz-ssi: Add SSI DMAC support")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210818101450.15948-1-biju.das.jz@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-08-19 18:21:22 +01:00
Biju Das
1b5d1d3a2f
ASoC: sh: rz-ssi: Fix wrong operator used issue
Fix wrong operator used issue reported by Coverity by replacing |
operator with & operator.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reported-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210816182336.29959-1-biju.das.jz@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-08-17 13:35:01 +01:00
Biju Das
d40dfb860a
ASoC: sh: rz-ssi: Fix dereference of noderef expression warning
Fix following sparse warning:
sound/soc/sh/rz-ssi.c:156:15: sparse: warning: dereference of
noderef expression

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20210816132049.28128-1-biju.das.jz@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-08-16 16:36:49 +01:00
Biju Das
26ac471c53
ASoC: sh: rz-ssi: Add SSI DMAC support
Add SSI DMAC support to RZ/G2L SoC.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210813091156.10700-4-biju.das.jz@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-08-13 13:17:18 +01:00
Biju Das
03e786bd43
ASoC: sh: Add RZ/G2L SSIF-2 driver
Add serial sound interface(SSIF-2) driver support for
RZ/G2L SoC.

Based on the work done by Chris Brandt for RZ/A SSI driver.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210813091156.10700-2-biju.das.jz@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-08-13 13:17:16 +01:00