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SubjectRe: [PATCH v3] brcmfmac: avoid duplicated suspend/resume operation

Any comments to this patch? Can it be accepted?

Thanks,
Zhonghui

On 2015/2/12 11:26, Fu, Zhonghui wrote:
> From a05d35ab334c20970c236fb971dae88810078c88 Mon Sep 17 00:00:00 2001
> From: Fu Zhonghui <zhonghui.fu@linux.intel.com>
> Date: Thu, 12 Feb 2015 10:49:35 +0800
> Subject: [PATCH v3] brcmfmac: avoid duplicated suspend/resume operation
>
> WiFi chip has 2 SDIO functions, and PM core will trigger
> twice suspend/resume operations for one WiFi chip to do
> the same things. This patch avoid this case.
>
> Acked-by: Arend van Spriel <arend@broadcom.com>
> Signed-off-by: Fu Zhonghui <zhonghui.fu@linux.intel.com>
> ---
> Changes in v3:
> - Rebase to wireless-drivers-next/master branch
>
> drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
> index 7944224..b8832a7 100644
> --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
> +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
> @@ -1117,9 +1117,13 @@ static int brcmf_ops_sdio_suspend(struct device *dev)
> struct brcmf_bus *bus_if;
> struct brcmf_sdio_dev *sdiodev;
> mmc_pm_flag_t sdio_flags;
> + struct sdio_func *func = dev_to_sdio_func(dev);
>
> brcmf_dbg(SDIO, "Enter\n");
>
> + if (func->num == 2)
> + return 0;
> +
> bus_if = dev_get_drvdata(dev);
> sdiodev = bus_if->bus_priv.sdio;
>
> @@ -1148,9 +1152,16 @@ static int brcmf_ops_sdio_suspend(struct device *dev)
> static int brcmf_ops_sdio_resume(struct device *dev)
> {
> struct brcmf_bus *bus_if = dev_get_drvdata(dev);
> - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
> + struct brcmf_sdio_dev *sdiodev;
> + struct sdio_func *func = dev_to_sdio_func(dev);
>
> brcmf_dbg(SDIO, "Enter\n");
> +
> + if (func->num == 2)
> + return 0;
> +
> + sdiodev = bus_if->bus_priv.sdio;
> +
> if (sdiodev->pdata && sdiodev->pdata->oob_irq_supported)
> disable_irq_wake(sdiodev->pdata->oob_irq_nr);
> brcmf_sdio_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS);
> -- 1.9.1
>



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