Messages in this thread | | | Date | Wed, 16 Sep 2020 19:59:29 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH v2 1/3] soundwire: qcom: clear BIT FIELDs before value set. |
| |
On 16-09-20, 08:18, Pierre-Louis Bossart wrote: > > > > According to usage (bitfields.h) of REG_FIELDS, > > > Modify is: > > > reg &= ~REG_FIELD_C; > > > reg |= FIELD_PREP(REG_FIELD_C, c); > > > if this is indeed the case, all the code in cadence_master.c is also broken, > e.g: > > dpn_config = cdns_readl(cdns, dpn_config_off); > > dpn_config |= FIELD_PREP(CDNS_DPN_CONFIG_WL, (p_params->bps - 1)); > dpn_config |= FIELD_PREP(CDNS_DPN_CONFIG_PORT_FLOW, p_params->flow_mode); > dpn_config |= FIELD_PREP(CDNS_DPN_CONFIG_PORT_DAT, p_params->data_mode);
This should be replaced with u32_replace_bits(), i am sending the fix > > > Gah.
should have caught this :(
-- ~Vinod
| |