diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c index 8a69544..71779b9 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c @@ -33,6 +33,7 @@ #include <linux/suspend.h> #include <linux/errno.h> #include <linux/module.h> +#include <linux/acpi.h> #include <net/cfg80211.h> #include <defs.h> @@ -1116,12 +1117,25 @@ MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids); static struct brcmfmac_sdio_platform_data *brcmfmac_sdio_pdata; +static void brcmf_sdiod_acpi_set_power_manageable(struct device *dev, + int val) +{ +#if IS_ENABLED(CONFIG_ACPI) + struct acpi_device *adev; + + adev = ACPI_COMPANION(dev); + if (adev) + adev->flags.power_manageable = 0; +#endif +} + static int brcmf_ops_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) { int err; struct brcmf_sdio_dev *sdiodev; struct brcmf_bus *bus_if; + struct device *dev; brcmf_dbg(SDIO, "Enter\n"); brcmf_dbg(SDIO, "Class=%x\n", func->class); @@ -1129,6 +1143,10 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func, brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device); brcmf_dbg(SDIO, "Function#: %d\n", func->num); + dev = &func->dev; + /* prohibit ACPI power management for this device */ + brcmf_sdiod_acpi_set_power_manageable(dev, 0); + /* Consume func num 1 but dont do anything with it. */ if (func->num == 1) return 0; |
