On 09/29/2016 08:27 PM, Mark Brown wrote:
> The recent series of changes to the caching in the SSI driver have
> caused a number of problems to appear in some test systems. These are
> still not fully understood but we're coming up to the merge window so
> for now let's revert commit 7de2763d9b3 (ASoC: fsl_ssi: Remove
> .num_reg_defaults_raw from regmap_config) as backing that out seems to
> resolve the problem on affected systems.
>
> Reported-by: Maciej S. Szmigiero" <mail@xxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
> Cc: Marek Vasut <marex@xxxxxxx>
Reviewed-by: Marek Vasut <marex@xxxxxxx>
I'll keep my eyes peeled for the issue, thanks for all the time you and
Lars invested.
> ---
> sound/soc/fsl/fsl_ssi.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
> index b73c102f1cf2..50349437d961 100644
> --- a/sound/soc/fsl/fsl_ssi.c
> +++ b/sound/soc/fsl/fsl_ssi.c
> @@ -177,6 +177,7 @@ static const struct regmap_config fsl_ssi_regconfig = {
> .val_bits = 32,
> .reg_stride = 4,
> .val_format_endian = REGMAP_ENDIAN_NATIVE,
> + .num_reg_defaults_raw = CCSR_SSI_SACCDIS / sizeof(uint32_t) + 1,
> .readable_reg = fsl_ssi_readable_reg,
> .volatile_reg = fsl_ssi_volatile_reg,
> .precious_reg = fsl_ssi_precious_reg,
> @@ -1500,6 +1501,8 @@ static int fsl_ssi_probe(struct platform_device *pdev)
> * don't have SACC{ST,EN,DIS} regs.
> */
> regconfig.max_register = CCSR_SSI_SRMSK;
> + regconfig.num_reg_defaults_raw =
> + CCSR_SSI_SRMSK / sizeof(uint32_t) + 1;
> }
>
> ret = of_property_match_string(np, "clock-names", "ipg");
>
--
Best regards,
Marek Vasut
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