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-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c8
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c13
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h3
3 files changed, 17 insertions, 7 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 868cb9deacaa..30802a0d5291 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -3138,7 +3138,6 @@ brcmf_sdbrcm_chip_resetcore(struct brcmf_sdio_dev *sdiodev, u32 corebase)
static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter)
{
uint retries;
- u32 regdata;
int bcmerror = 0;
/* To enter download state, disable ARM and reset SOCRAM.
@@ -3159,11 +3158,8 @@ static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter)
(u8 *)&zeros, 4);
}
} else {
- regdata = brcmf_sdcard_reg_read(bus->sdiodev,
- CORE_SB(bus->ci->ramcorebase, sbtmstatelow), 4);
- regdata &= (SBTML_RESET | SBTML_REJ_MASK |
- (SICF_CLOCK_EN << SBTML_SICF_SHIFT));
- if ((SICF_CLOCK_EN << SBTML_SICF_SHIFT) != regdata) {
+ if (!brcmf_sdio_chip_iscoreup(bus->sdiodev,
+ bus->ci->ramcorebase)) {
brcmf_dbg(ERROR, "SOCRAM core is down after reset?\n");
bcmerror = -EBADE;
goto fail;
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
index 10befbfa7e1f..e0c22c4b8df9 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
@@ -52,6 +52,19 @@
#define SBIDH_VC_MASK 0xffff0000 /* vendor code */
#define SBIDH_VC_SHIFT 16
+bool
+brcmf_sdio_chip_iscoreup(struct brcmf_sdio_dev *sdiodev,
+ u32 corebase)
+{
+ u32 regdata;
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbtmstatelow), 4);
+ regdata &= (SBTML_RESET | SBTML_REJ_MASK |
+ (SICF_CLOCK_EN << SBTML_SICF_SHIFT));
+ return ((SICF_CLOCK_EN << SBTML_SICF_SHIFT) == regdata);
+}
+
void
brcmf_sdio_chip_coredisable(struct brcmf_sdio_dev *sdiodev, u32 corebase)
{
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h
index 25ac3857039e..9c43e1decf9e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h
@@ -133,7 +133,8 @@ struct sbconfig {
u32 sbidhigh; /* identification */
};
-
+extern bool brcmf_sdio_chip_iscoreup(struct brcmf_sdio_dev *sdiodev,
+ u32 corebase);
extern void brcmf_sdio_chip_coredisable(struct brcmf_sdio_dev *sdiodev,
u32 corebase);
extern int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev,