brcmf_pub is the data structure for common layer. Since brcmf_bus
should be the only structure shared by common layer and bus layer,
stop referencing brcmf_pub from bus layer. This patch is part of
the fullmac bus interface refactoring.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx>
Reviewed-by: Arend van Spriel <arend@xxxxxxxxxxxx>
Reviewed-by: Alwin Beukers <alwin@xxxxxxxxxxxx>
Signed-off-by: Franky Lin <frankyl@xxxxxxxxxxxx>
---
drivers/net/wireless/brcm80211/brcmfmac/dhd.h | 4 +-
.../net/wireless/brcm80211/brcmfmac/dhd_linux.c | 15 ++++---
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c | 43 +++++++++-----------
3 files changed, 29 insertions(+), 33 deletions(-)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
index 980bf70..dcb1bb5 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
@@ -669,8 +669,8 @@ extern uint brcmf_c_mkiovar(char *name, char *data, uint datalen,
* Returned structure should have bus and prot pointers filled in.
* bus_hdrlen specifies required headroom for bus module header.
*/
-extern struct brcmf_pub *brcmf_attach(struct brcmf_sdio *bus,
- uint bus_hdrlen, struct device *dev);
+extern int brcmf_attach(struct brcmf_sdio *bus,
+ uint bus_hdrlen, struct device *dev);
extern int brcmf_net_attach(struct brcmf_pub *drvr, int idx);
extern int brcmf_netdev_wait_pend8021x(struct net_device *ndev);
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index 130cab1..533418e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -922,17 +922,18 @@ void brcmf_del_if(struct brcmf_pub *drvr, int ifidx)
}
}
-struct brcmf_pub *brcmf_attach(struct brcmf_sdio *bus, uint bus_hdrlen,
+int brcmf_attach(struct brcmf_sdio *bus, uint bus_hdrlen,
struct device *dev)
{
struct brcmf_pub *drvr = NULL;
+ int ret = 0;
brcmf_dbg(TRACE, "Enter\n");
/* Allocate primary brcmf_info */
drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC);
if (!drvr)
- goto fail;
+ return -ENOMEM;
mutex_init(&drvr->proto_block);
@@ -944,7 +945,8 @@ struct brcmf_pub *brcmf_attach(struct brcmf_sdio *bus, uint bus_hdrlen,
drvr->dev = dev;
/* Attach and link in the protocol */
- if (brcmf_proto_attach(drvr) != 0) {
+ ret = brcmf_proto_attach(drvr);
+ if (ret != 0) {
brcmf_dbg(ERROR, "brcmf_prot_attach failed\n");
goto fail;
}
@@ -952,13 +954,12 @@ struct brcmf_pub *brcmf_attach(struct brcmf_sdio *bus, uint bus_hdrlen,
INIT_WORK(&drvr->setmacaddr_work, _brcmf_set_mac_address);
INIT_WORK(&drvr->multicast_work, _brcmf_set_multicast_list);
- return drvr;
+ return ret;
fail:
- if (drvr)
- brcmf_detach(dev);
+ brcmf_detach(dev);
- return NULL;
+ return ret;
}
int brcmf_bus_start(struct device *dev)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index a7fe00f..399567f 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -450,8 +450,6 @@ struct sdpcm_shared_le {
/* misc chip info needed by some of the routines */
/* Private data for SDIO bus interaction */
struct brcmf_sdio {
- struct brcmf_pub *drvr;
-
struct brcmf_sdio_dev *sdiodev; /* sdio device handler */
struct chip_info *ci; /* Chip info struct */
char *vars; /* Variables (from CIS and/or other) */
@@ -1077,7 +1075,7 @@ static void brcmf_sdbrcm_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx)
/* If we can't reach the device, signal failure */
if (err || brcmf_sdcard_regfail(bus->sdiodev))
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
/* copy a buffer into a pkt buffer chain */
@@ -1724,7 +1722,7 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
for (rxseq = bus->rx_seq, rxleft = maxframes;
!bus->rxskip && rxleft &&
- bus->drvr->bus_if->state != BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state != BRCMF_BUS_DOWN;
rxseq++, rxleft--) {
/* Handle glomming separately */
@@ -2259,8 +2257,6 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes)
uint datalen;
u8 tx_prec_map;
- struct brcmf_pub *drvr = bus->drvr;
-
brcmf_dbg(TRACE, "Enter\n");
tx_prec_map = ~bus->flowcontrol;
@@ -2297,8 +2293,8 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes)
}
/* Deflow-control stack if needed */
- if (drvr->bus_if->drvr_up &&
- (drvr->bus_if->state == BRCMF_BUS_DATA) &&
+ if (bus->sdiodev->bus_if->drvr_up &&
+ (bus->sdiodev->bus_if->state == BRCMF_BUS_DATA) &&
bus->txoff && (pktq_len(&bus->txq) < TXLOW)) {
bus->txoff = OFF;
brcmf_txflowcontrol(bus->sdiodev->dev, 0, OFF);
@@ -2335,7 +2331,7 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
SBSDIO_DEVICE_CTL, &err);
if (err) {
brcmf_dbg(ERROR, "error reading DEVCTL: %d\n", err);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
#endif /* BCMDBG */
@@ -2345,7 +2341,7 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
if (err) {
brcmf_dbg(ERROR, "error reading CSR: %d\n",
err);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
brcmf_dbg(INFO, "DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n",
@@ -2358,7 +2354,7 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
if (err) {
brcmf_dbg(ERROR, "error reading DEVCTL: %d\n",
err);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
@@ -2366,7 +2362,7 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
if (err) {
brcmf_dbg(ERROR, "error writing DEVCTL: %d\n",
err);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
bus->clkstate = CLK_AVAIL;
} else {
@@ -2522,11 +2518,11 @@ clkwait:
else await next interrupt */
/* On failed register access, all bets are off:
no resched or interrupts */
- if ((bus->drvr->bus_if->state == BRCMF_BUS_DOWN) ||
+ if ((bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) ||
brcmf_sdcard_regfail(bus->sdiodev)) {
brcmf_dbg(ERROR, "failed backplane access over SDIO, halting operation %d\n",
brcmf_sdcard_regfail(bus->sdiodev));
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
bus->intstatus = 0;
} else if (bus->clkstate == CLK_PENDING) {
brcmf_dbg(INFO, "rescheduled due to CLK_PENDING awaiting I_CHIPACTIVE interrupt\n");
@@ -2563,7 +2559,7 @@ static int brcmf_sdbrcm_dpc_thread(void *data)
if (!wait_for_completion_interruptible(&bus->dpc_wait)) {
/* Call bus dpc unless it indicated down
(then clean stop) */
- if (bus->drvr->bus_if->state != BRCMF_BUS_DOWN) {
+ if (bus->sdiodev->bus_if->state != BRCMF_BUS_DOWN) {
if (brcmf_sdbrcm_dpc(bus))
complete(&bus->dpc_wait);
} else {
@@ -3137,7 +3133,7 @@ static int brcmf_sdbrcm_download_state(struct brcmf_sdio *bus, bool enter)
/* Allow HT Clock now that the ARM is running. */
bus->alp_only = false;
- bus->drvr->bus_if->state = BRCMF_BUS_LOAD;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_LOAD;
}
fail:
return bcmerror;
@@ -3383,7 +3379,7 @@ void brcmf_sdbrcm_bus_stop(struct device *dev)
bus->hostintmask = 0;
/* Change our idea of bus state */
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
/* Force clocks on backplane to be sure F2 interrupt propagates */
saveclk = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
@@ -3446,7 +3442,7 @@ int brcmf_sdbrcm_bus_init(struct device *dev)
return -1;
}
- if (!bus->drvr)
+ if (!bus->sdiodev->bus_if->drvr)
return 0;
/* Start the watchdog timer */
@@ -3542,7 +3538,7 @@ void brcmf_sdbrcm_isr(void *arg)
return;
}
- if (bus->drvr->bus_if->state == BRCMF_BUS_DOWN) {
+ if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) {
brcmf_dbg(ERROR, "bus is down. we have nothing to do\n");
return;
}
@@ -3798,7 +3794,7 @@ static bool brcmf_sdbrcm_probe_init(struct brcmf_sdio *bus)
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0, SDIO_CCCR_IOEx,
SDIO_FUNC_ENABLE_1, NULL);
- bus->drvr->bus_if->state = BRCMF_BUS_DOWN;
+ bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
bus->sleeping = false;
bus->rxflow = false;
@@ -3884,7 +3880,6 @@ static void brcmf_sdbrcm_release(struct brcmf_sdio *bus)
if (bus->sdiodev->bus_if->drvr) {
brcmf_detach(bus->sdiodev->dev);
brcmf_sdbrcm_release_dongle(bus);
- bus->drvr = NULL;
}
brcmf_sdbrcm_release_malloc(bus);
@@ -3958,8 +3953,8 @@ void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev)
}
/* Attach to the brcmf/OS/network interface */
- bus->drvr = brcmf_attach(bus, SDPCM_RESERVE, bus->sdiodev->dev);
- if (!bus->drvr) {
+ ret = brcmf_attach(bus, SDPCM_RESERVE, bus->sdiodev->dev);
+ if (ret != 0) {
brcmf_dbg(ERROR, "brcmf_attach failed\n");
goto fail;
}
@@ -4032,7 +4027,7 @@ brcmf_sdbrcm_wd_timer(struct brcmf_sdio *bus, uint wdtick)
}
/* don't start the wd until fw is loaded */
- if (bus->drvr->bus_if->state == BRCMF_BUS_DOWN)
+ if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN)
return;
if (wdtick) {
--
1.7.5.4
--
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