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yaml
---
r: 306674
b: refs/heads/master
c: 45db339
h: refs/heads/master
v: v3
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Franky Lin authored and John W. Linville committed May 15, 2012
1 parent 8e64c2a commit f3fd82a
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Showing 5 changed files with 50 additions and 91 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: e9b8d91d5555e64d30c3b972795579e6d8619908
refs/heads/master: 45db339cd2b138fba993013b5d73049fd3384e44
26 changes: 1 addition & 25 deletions trunk/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
Original file line number Diff line number Diff line change
Expand Up @@ -85,8 +85,7 @@ int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
sdiodev->irq_wake = true;

/* must configure SDIO_CCCR_IENx to enable irq */
data = brcmf_sdcard_cfg_read(sdiodev, SDIO_FUNC_0,
SDIO_CCCR_IENx, &ret);
data = brcmf_sdio_regrb(sdiodev, SDIO_CCCR_IENx, &ret);
data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1;
brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_0, SDIO_CCCR_IENx,
data, &ret);
Expand Down Expand Up @@ -158,29 +157,6 @@ int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev)
}
#endif /* CONFIG_BRCMFMAC_SDIO_OOB */

u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_dev *sdiodev, uint fnc_num, u32 addr,
int *err)
{
int status;
s32 retry = 0;
u8 data = 0;

do {
if (retry) /* wait for 1 ms till bus get settled down */
udelay(1000);
status = brcmf_sdioh_request_byte(sdiodev, SDIOH_READ, fnc_num,
addr, (u8 *) &data);
} while (status != 0
&& (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
if (err)
*err = status;

brcmf_dbg(INFO, "fun = %d, addr = 0x%x, u8data = 0x%x\n",
fnc_num, addr, data);

return data;
}

void
brcmf_sdcard_cfg_write(struct brcmf_sdio_dev *sdiodev, uint fnc_num, u32 addr,
u8 data, int *err)
Expand Down
103 changes: 44 additions & 59 deletions trunk/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
Original file line number Diff line number Diff line change
Expand Up @@ -704,8 +704,8 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
}

/* Check current status */
clkctl = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
clkctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (err) {
brcmf_dbg(ERROR, "HT Avail read error: %d\n", err);
return -EBADE;
Expand All @@ -714,9 +714,8 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
/* Go to pending and await interrupt if appropriate */
if (!SBSDIO_CLKAV(clkctl, bus->alp_only) && pendok) {
/* Allow only clock-available interrupt */
devctl = brcmf_sdcard_cfg_read(bus->sdiodev,
SDIO_FUNC_1,
SBSDIO_DEVICE_CTL, &err);
devctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_DEVICE_CTL, &err);
if (err) {
brcmf_dbg(ERROR, "Devctl error setting CA: %d\n",
err);
Expand All @@ -732,8 +731,7 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
return 0;
} else if (bus->clkstate == CLK_PENDING) {
/* Cancel CA-only interrupt filter */
devctl =
brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
devctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_DEVICE_CTL, &err);
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
Expand All @@ -744,10 +742,9 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)
timeout = jiffies +
msecs_to_jiffies(PMU_MAX_TRANSITION_DLY/1000);
while (!SBSDIO_CLKAV(clkctl, bus->alp_only)) {
clkctl = brcmf_sdcard_cfg_read(bus->sdiodev,
SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR,
&err);
clkctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR,
&err);
if (time_after(jiffies, timeout))
break;
else
Expand Down Expand Up @@ -780,9 +777,8 @@ static int brcmf_sdbrcm_htclk(struct brcmf_sdio *bus, bool on, bool pendok)

if (bus->clkstate == CLK_PENDING) {
/* Cancel CA-only interrupt filter */
devctl = brcmf_sdcard_cfg_read(bus->sdiodev,
SDIO_FUNC_1,
SBSDIO_DEVICE_CTL, &err);
devctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_DEVICE_CTL, &err);
devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_DEVICE_CTL, devctl, &err);
Expand Down Expand Up @@ -1046,10 +1042,10 @@ static void brcmf_sdbrcm_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx)

/* Wait until the packet has been flushed (device/FIFO stable) */
for (lastrbc = retries = 0xffff; retries > 0; retries--) {
hi = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_RFRAMEBCHI, NULL);
lo = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_RFRAMEBCLO, NULL);
hi = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_RFRAMEBCHI, NULL);
lo = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_RFRAMEBCLO, NULL);
bus->f1regdata += 2;

if ((hi == 0) && (lo == 0))
Expand Down Expand Up @@ -2184,14 +2180,10 @@ static int brcmf_sdbrcm_txpkt(struct brcmf_sdio *bus, struct sk_buff *pkt,

for (i = 0; i < 3; i++) {
u8 hi, lo;
hi = brcmf_sdcard_cfg_read(bus->sdiodev,
SDIO_FUNC_1,
SBSDIO_FUNC1_WFRAMEBCHI,
NULL);
lo = brcmf_sdcard_cfg_read(bus->sdiodev,
SDIO_FUNC_1,
SBSDIO_FUNC1_WFRAMEBCLO,
NULL);
hi = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCHI, NULL);
lo = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCLO, NULL);
bus->f1regdata += 2;
if ((hi == 0) && (lo == 0))
break;
Expand Down Expand Up @@ -2310,8 +2302,8 @@ static void brcmf_sdbrcm_bus_stop(struct device *dev)
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,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
saveclk = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (!err) {
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR,
Expand Down Expand Up @@ -2393,17 +2385,17 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)

#ifdef DEBUG
/* Check for inconsistent device control */
devctl = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_DEVICE_CTL, &err);
devctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_DEVICE_CTL, &err);
if (err) {
brcmf_dbg(ERROR, "error reading DEVCTL: %d\n", err);
bus->sdiodev->bus_if->state = BRCMF_BUS_DOWN;
}
#endif /* DEBUG */

/* Read CSR, if clock on switch to AVAIL, else ignore */
clkctl = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
clkctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (err) {
brcmf_dbg(ERROR, "error reading CSR: %d\n",
err);
Expand All @@ -2414,9 +2406,8 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
devctl, clkctl);

if (SBSDIO_HTAV(clkctl)) {
devctl = brcmf_sdcard_cfg_read(bus->sdiodev,
SDIO_FUNC_1,
SBSDIO_DEVICE_CTL, &err);
devctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_DEVICE_CTL, &err);
if (err) {
brcmf_dbg(ERROR, "error reading DEVCTL: %d\n",
err);
Expand Down Expand Up @@ -2552,14 +2543,12 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)

for (i = 0; i < 3; i++) {
u8 hi, lo;
hi = brcmf_sdcard_cfg_read(bus->sdiodev,
SDIO_FUNC_1,
SBSDIO_FUNC1_WFRAMEBCHI,
NULL);
lo = brcmf_sdcard_cfg_read(bus->sdiodev,
SDIO_FUNC_1,
SBSDIO_FUNC1_WFRAMEBCLO,
NULL);
hi = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCHI,
NULL);
lo = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCLO,
NULL);
bus->f1regdata += 2;
if ((hi == 0) && (lo == 0))
break;
Expand Down Expand Up @@ -2892,12 +2881,10 @@ static int brcmf_tx_frame(struct brcmf_sdio *bus, u8 *frame, u16 len)

for (i = 0; i < 3; i++) {
u8 hi, lo;
hi = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_WFRAMEBCHI,
NULL);
lo = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_WFRAMEBCLO,
NULL);
hi = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCHI, NULL);
lo = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCLO, NULL);
bus->f1regdata += 2;
if (hi == 0 && lo == 0)
break;
Expand Down Expand Up @@ -3471,9 +3458,8 @@ static int brcmf_sdbrcm_bus_init(struct device *dev)
goto exit;

/* Force clocks on backplane to be sure F2 interrupt propagates */
saveclk =
brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
saveclk = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (!err) {
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR,
Expand All @@ -3495,8 +3481,8 @@ static int brcmf_sdbrcm_bus_init(struct device *dev)
timeout = jiffies + msecs_to_jiffies(BRCMF_WAIT_F2RDY);
ready = 0;
while (enable != ready) {
ready = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_0,
SDIO_CCCR_IORx, NULL);
ready = brcmf_sdio_regrb(bus->sdiodev,
SDIO_CCCR_IORx, NULL);
if (time_after(jiffies, timeout))
break;
else if (time_after(jiffies, timeout - BRCMF_WAIT_F2RDY + 50))
Expand Down Expand Up @@ -3605,9 +3591,9 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus)

if (!bus->dpc_sched) {
u8 devpend;
devpend = brcmf_sdcard_cfg_read(bus->sdiodev,
SDIO_FUNC_0, SDIO_CCCR_INTx,
NULL);
devpend = brcmf_sdio_regrb(bus->sdiodev,
SDIO_CCCR_INTx,
NULL);
intstatus =
devpend & (INTR_STATUS_FUNC1 |
INTR_STATUS_FUNC2);
Expand Down Expand Up @@ -3747,8 +3733,7 @@ brcmf_sdbrcm_probe_attach(struct brcmf_sdio *bus, u32 regsva)
SBSDIO_FUNC1_CHIPCLKCSR,
BRCMF_INIT_CLKCTL1, &err);
if (!err)
clkctl =
brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
clkctl = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, &err);

if (err || ((clkctl & ~SBSDIO_AVBITS) != BRCMF_INIT_CLKCTL1)) {
Expand Down
8 changes: 4 additions & 4 deletions trunk/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
Original file line number Diff line number Diff line change
Expand Up @@ -434,17 +434,17 @@ brcmf_sdio_chip_buscoreprep(struct brcmf_sdio_dev *sdiodev)

/* If register supported, wait for ALPAvail and then force ALP */
/* This may take up to 15 milliseconds */
clkval = brcmf_sdcard_cfg_read(sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, NULL);
clkval = brcmf_sdio_regrb(sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, NULL);

if ((clkval & ~SBSDIO_AVBITS) != clkset) {
brcmf_dbg(ERROR, "ChipClkCSR access: wrote 0x%02x read 0x%02x\n",
clkset, clkval);
return -EACCES;
}

SPINWAIT(((clkval = brcmf_sdcard_cfg_read(sdiodev, SDIO_FUNC_1,
SBSDIO_FUNC1_CHIPCLKCSR, NULL)),
SPINWAIT(((clkval = brcmf_sdio_regrb(sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR, NULL)),
!SBSDIO_ALPAV(clkval)),
PMU_MAX_TRANSITION_DLY);
if (!SBSDIO_ALPAV(clkval)) {
Expand Down
2 changes: 0 additions & 2 deletions trunk/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h
Original file line number Diff line number Diff line change
Expand Up @@ -174,8 +174,6 @@ extern int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev);
* data: data byte to write
* err: pointer to error code (or NULL)
*/
extern u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_dev *sdiodev, uint func,
u32 addr, int *err);
extern void brcmf_sdcard_cfg_write(struct brcmf_sdio_dev *sdiodev, uint func,
u32 addr, u8 data, int *err);

Expand Down

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