Messages in this thread | | | Subject | Re: [v2] brcmfmac: Avoid keeping power to SDIO card unless WOWL is used | From | Kalle Valo <> | Date | Wed, 6 Apr 2022 12:11:22 +0000 (UTC) |
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Ulf Hansson <ulf.hansson@linaro.org> wrote:
> Keeping the power to the SDIO card during system wide suspend, consumes > energy. Especially on battery driven embedded systems, this can be a > problem. Therefore, let's change the behaviour into allowing the SDIO card > to be powered off, unless WOWL is supported and enabled. > > Note that, the downside from this change, is that during system resume the > SDIO card needs to be re-initialized and the FW must be re-programmed. Even > if this may take some time to complete, it should we worth it, rather than > draining the battery. > > Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> > Tested-by: Christophe Roullier <christophe.roullier@foss.st.com> > Reviewed-by: Yann Gautier <yann.gautier@foss.st.com>
Patch applied to wireless-next.git, thanks.
92cadedd9d5f brcmfmac: Avoid keeping power to SDIO card unless WOWL is used
-- https://patchwork.kernel.org/project/linux-wireless/patch/20220323083950.414783-1-ulf.hansson@linaro.org/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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