diff options
Diffstat (limited to 'package/kernel/mac80211/patches/346-brcmfmac-avoid-runtime-pm-for-sdio-host-controller.patch')
-rw-r--r-- | package/kernel/mac80211/patches/346-brcmfmac-avoid-runtime-pm-for-sdio-host-controller.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/346-brcmfmac-avoid-runtime-pm-for-sdio-host-controller.patch b/package/kernel/mac80211/patches/346-brcmfmac-avoid-runtime-pm-for-sdio-host-controller.patch new file mode 100644 index 0000000000..af76f13ecd --- /dev/null +++ b/package/kernel/mac80211/patches/346-brcmfmac-avoid-runtime-pm-for-sdio-host-controller.patch @@ -0,0 +1,44 @@ +From: Arend van Spriel <arend@broadcom.com> +Date: Wed, 18 Mar 2015 13:25:21 +0100 +Subject: [PATCH] brcmfmac: avoid runtime-pm for sdio host controller + +Several host controllers supporting runtime-pm are causing issues +with our sdio wireless cards because they disable the sdio interrupt +upon going into runtime suspend. This patch avoids that by doing +a pm_runtime_forbid() call during the probe. Tested with Sony Vaio +Duo 13 which uses sdhci-acpi host controller. + +Reviewed-by: Hante Meuleman <meuleman@broadcom.com> +Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> +Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> +Signed-off-by: Arend van Spriel <arend@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + +--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +@@ -29,6 +29,7 @@ + #include <linux/mmc/host.h> + #include <linux/platform_device.h> + #include <linux/platform_data/brcmfmac-sdio.h> ++#include <linux/pm_runtime.h> + #include <linux/suspend.h> + #include <linux/errno.h> + #include <linux/module.h> +@@ -1006,6 +1007,7 @@ static int brcmf_sdiod_remove(struct brc + sg_free_table(&sdiodev->sgtable); + sdiodev->sbwad = 0; + ++ pm_runtime_allow(sdiodev->func[1]->card->host->parent); + return 0; + } + +@@ -1074,7 +1076,7 @@ static int brcmf_sdiod_probe(struct brcm + ret = -ENODEV; + goto out; + } +- ++ pm_runtime_forbid(host->parent); + out: + if (ret) + brcmf_sdiod_remove(sdiodev); |