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 <[email protected]> Reviewed-by: Franky (Zhenhui) Lin <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> --- drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c index 4399530..9667b6a 100644 --- 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 brcmf_sdio_dev *sdiodev) 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 brcmf_sdio_dev *sdiodev) ret = -ENODEV; goto out; } - + pm_runtime_forbid(host->parent); out: if (ret) brcmf_sdiod_remove(sdiodev); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
