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STAGING: brcm80211 v2 keep power on in suspend state

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Keep WIFI power on during suspend.

Consumes 10s of milliwatts but avoids having to reload firmware
on resume. Tested on tegra2_seaboard.

Signed-off-by: Venkat Rao <vrao@broadcom.com>
Tested-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Grant Grundler
2011-03-18 15:56:57 -07:00
committed by Greg Kroah-Hartman
parent 6f27b08d5b
commit 6b5a5a3eb7
2 changed files with 11 additions and 0 deletions
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7
drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c
View File

@@ -68,6 +68,13 @@ DHD_PM_RESUME_WAIT_INIT(sdioh_request_buffer_wait);
int sdioh_sdmmc_card_regread(sdioh_info_t *sd, int func, u32 regaddr,
int regsize, u32 *data);
void sdioh_sdio_set_host_pm_flags(int flag)
{
if (sdio_set_host_pm_flags(gInstance->func[1], flag))
printk(KERN_ERR "%s: Failed to set pm_flags 0x%08x\n",\
__func__, (unsigned int)flag);
}
static int sdioh_sdmmc_card_enablefuncs(sdioh_info_t *sd)
{
int err_ret;

4
drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
View File

@@ -39,6 +39,8 @@
#include <linux/firmware.h>
#include <wl_cfg80211.h>
void sdioh_sdio_set_host_pm_flags(int flag);
static struct sdio_func *cfg80211_sdio_func;
static struct wl_dev *wl_cfg80211_dev;
static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255};
@@ -1988,6 +1990,8 @@ static s32 wl_cfg80211_suspend(struct wiphy *wiphy)
clear_bit(WL_STATUS_SCANNING, &wl->status);
clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
sdioh_sdio_set_host_pm_flags(MMC_PM_KEEP_POWER);
return err;
}