linux-kernel - [PATCH 5.6 39/73] ARM: dts: imx6qdl-sr-som-ti: indicate powering off wifi is safe

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Date:   Mon,  4 May 2020 19:57:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Russell King <rmk+kernel@...linux.org.uk>,
        Fabio Estevam <festevam@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Miguel Borges de Freitas <miguelborgesdefreitas@...il.com>
Subject: [PATCH 5.6 39/73] ARM: dts: imx6qdl-sr-som-ti: indicate powering off wifi is safe

From: Russell King <rmk+kernel@...linux.org.uk>

commit b7dc7205b2ae6b6c9d9cfc3e47d6f08da8647b10 upstream.

We need to indicate that powering off the TI WiFi is safe, to avoid:

wl18xx_driver wl18xx.2.auto: Unbalanced pm_runtime_enable!
wl1271_sdio mmc0:0001:2: wl12xx_sdio_power_on: failed to get_sync(-13)

which prevents the WiFi being functional.

Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
Reviewed-by: Fabio Estevam <festevam@...il.com>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Cc: Miguel Borges de Freitas <miguelborgesdefreitas@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/imx6qdl-sr-som-ti.dtsi |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm/boot/dts/imx6qdl-sr-som-ti.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sr-som-ti.dtsi
@@ -153,6 +153,7 @@
 	bus-width = <4>;
 	keep-power-in-suspend;
 	mmc-pwrseq = <&pwrseq_ti_wifi>;
+	cap-power-off-card;
 	non-removable;
 	vmmc-supply = <&vcc_3v3>;
 	/* vqmmc-supply = <&nvcc_sd1>; - MMC layer doesn't like it! */