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Date: Wed, 23 Mar 2022 17:06:36 +0100 From: Yann Gautier <yann.gautier@...s.st.com> To: Kalle Valo <kvalo@...nel.org> CC: Ulf Hansson <ulf.hansson@...aro.org>, <linux-wireless@...r.kernel.org>, Christophe ROULLIER-SCND-02 <christophe.roullier@...s.st.com>, Arend van Spriel <aspriel@...il.com>, Franky Lin <franky.lin@...adcom.com>, Hante Meuleman <hante.meuleman@...adcom.com>, Gustavo Padovan <gustavo.padovan@...labora.com>, Adrian Ratiu <adrian.ratiu@...labora.com>, <brcm80211-dev-list.pdl@...adcom.com>, <linux-kernel@...r.kernel.org>, Christophe KERELLO - foss <christophe.kerello@...s.st.com> Subject: Re: [PATCH v2] brcmfmac: Avoid keeping power to SDIO card unless WOWL is used On 3/23/22 17:04, Kalle Valo wrote: > Yann Gautier <yann.gautier@...s.st.com> writes: > >> On 3/23/22 09:39, Ulf Hansson 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@...aro.org> >> >> Thanks for the patch, it is OK, and tested by Christophe (R.). >> So you can add: >> Tested-by: Christophe Roullier <christophe.roullier@...s.st.com> >> Acked-by: Yann Gautier <yann.gautier@...s.st.com> > > Acked-by is used by the driver maintainer, so I assume you mean > Reviewed-by? > Oops, sorry, yes I meant Reviewed-by. Best regards, Yann
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