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Commit 72b1f6c3 authored by Franky Lin's avatar Franky Lin Committed by Greg Kroah-Hartman
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staging: brcm80211: remove dead code from dhd_sdio.c 

Code cleanup for brcmfmac
Reviewed-by: default avatarArend van Spriel <arend@broadcom.com>
Reviewed-by: default avatarRoland Vossen <rvossen@broadcom.com>
Signed-off-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 8c1d0853
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Showing with 47 additions and 175 deletions
drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
View file @ 72b1f6c3
......@@ -38,28 +38,6 @@
#ifdef BCMDBG
/* ARM trap handling */
/* Trap types defined by ARM (see arminc.h) */
#if defined(__ARM_ARCH_4T__)
#define MAX_TRAP_TYPE (TR_FIQ + 1)
#elif defined(__ARM_ARCH_7M__)
#define MAX_TRAP_TYPE (TR_ISR + ARMCM3_NUMINTS)
#endif /* __ARM_ARCH_7M__ */
/* The trap structure is defined here as offsets for assembly */
#define TR_TYPE 0x00
#define TR_EPC 0x04
#define TR_CPSR 0x08
#define TR_SPSR 0x0c
#define TR_REGS 0x10
#define TR_REG(n) (TR_REGS + (n) * 4)
#define TR_SP TR_REG(13)
#define TR_LR TR_REG(14)
#define TR_PC TR_REG(15)
#define TRAP_T_SIZE 80
struct brcmf_trap {
u32 type;
u32 epc;
......@@ -620,7 +598,6 @@ struct brcmf_bus {
u32 ramsize; /* Size of RAM in SOCRAM (bytes) */
u32 orig_ramsize; /* Size of RAM in SOCRAM (bytes) */
u32 bus; /* gSPI or SDIO bus */
u32 hostintmask; /* Copy of Host Interrupt Mask */
u32 intstatus; /* Intstatus bits (events) pending */
bool dpc_sched; /* Indicates DPC schedule (intrpt rcvd) */
......@@ -801,8 +778,6 @@ struct sbconfig {
#define CLK_PENDING 2 /* Not used yet */
#define CLK_AVAIL 3
#define BRCMF_NOPMU(brcmf) (false)
#ifdef BCMDBG
static int qcount[NUMPRIO];
static int tx_packets[NUMPRIO];
......@@ -862,12 +837,9 @@ module_param(brcmf_dongle_memsize, int, 0);
static bool brcmf_alignctl;
static bool sd1idle;
static bool retrydata;
#define RETRYCHAN(chan) (((chan) == SDPCM_EVENT_CHANNEL) || retrydata)
static const uint watermark = 8;
static const uint firstread = BRCMF_FIRSTREAD;
/* Retry count for register access failures */
......@@ -939,8 +911,6 @@ w_sdreg32(struct brcmf_bus *bus, u32 regval, u32 reg_offset, u32 *retryvar)
}
}
#define BRCMF_BUS SDIO_BUS
#define PKT_AVAILABLE() (intstatus & I_HMB_FRAME_IND)
#define HOSTINTMASK (I_HMB_SW_MASK | I_CHIPACTIVE)
......@@ -1012,7 +982,7 @@ static int brcmf_sdbrcm_ioctl_resp_wake(struct brcmf_bus *bus);
*/
static void brcmf_sdbrcm_pktfree2(struct brcmf_bus *bus, struct sk_buff *pkt)
{
if ((bus->bus != SPI_BUS) || bus->usebufpool)
if (bus->usebufpool)
brcmu_pkt_buf_free_skb(pkt);
}
......@@ -1890,18 +1860,15 @@ enum {
IOV_ALIGNCTL,
IOV_SDALIGN,
IOV_DEVRESET,
IOV_CPU,
#ifdef SDTEST
IOV_PKTGEN,
IOV_EXTLOOP,
#endif /* SDTEST */
IOV_SPROM,
IOV_TXBOUND,
IOV_RXBOUND,
IOV_TXMINMAX,
IOV_IDLETIME,
IOV_IDLECLOCK,
IOV_SD1IDLE,
IOV_SLEEP,
IOV_WDTICK,
IOV_IOCTLTIMEOUT,
......@@ -1914,7 +1881,6 @@ const struct brcmu_iovar brcmf_sdio_iovars[] = {
{"pollrate", IOV_POLLRATE, 0, IOVT_UINT32, 0},
{"idletime", IOV_IDLETIME, 0, IOVT_INT32, 0},
{"idleclock", IOV_IDLECLOCK, 0, IOVT_INT32, 0},
{"sd1idle", IOV_SD1IDLE, 0, IOVT_BOOL, 0},
{"membytes", IOV_MEMBYTES, 0, IOVT_BUFFER, 2 * sizeof(int)},
{"memsize", IOV_MEMSIZE, 0, IOVT_UINT32, 0},
{"download", IOV_DOWNLOAD, 0, IOVT_BOOL, 0},
......@@ -1946,8 +1912,6 @@ const struct brcmu_iovar brcmf_sdio_iovars[] = {
,
{"txminmax", IOV_TXMINMAX, 0, IOVT_UINT32, 0}
,
{"cpu", IOV_CPU, 0, IOVT_BOOL, 0}
,
{"checkdied", IOV_CHECKDIED, 0, IOVT_BUFFER, 0}
,
#endif /* BCMDBG */
......@@ -2636,15 +2600,6 @@ static int brcmf_sdbrcm_doiovar(struct brcmf_bus *bus,
bus->idleclock = int_val;
break;
case IOV_GVAL(IOV_SD1IDLE):
int_val = (s32) sd1idle;
memcpy(arg, &int_val, val_size);
break;
case IOV_SVAL(IOV_SD1IDLE):
sd1idle = bool_val;
break;
case IOV_SVAL(IOV_MEMBYTES):
case IOV_GVAL(IOV_MEMBYTES):
{
......@@ -3370,7 +3325,7 @@ int brcmf_sdbrcm_bus_init(struct brcmf_pub *drvr, bool enforce_mutex)
offsetof(struct sdpcmd_regs, hostintmask), &retries);
brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
SBSDIO_WATERMARK, (u8) watermark, &err);
SBSDIO_WATERMARK, 8, &err);
/* Set bus state according to enable result */
drvr->busstate = BRCMF_BUS_DATA;
......@@ -3484,10 +3439,6 @@ brcmf_sdbrcm_read_control(struct brcmf_bus *bus, u8 *hdr, uint len, uint doff)
BRCMF_TRACE(("%s: Enter\n", __func__));
/* Control data already received in aligned rxctl */
if ((bus->bus == SPI_BUS) && (!bus->usebufpool))
goto gotpkt;
/* Set rxctl for frame (w/optional alignment) */
bus->rxctl = bus->rxbuf;
if (brcmf_alignctl) {
......@@ -3503,12 +3454,6 @@ brcmf_sdbrcm_read_control(struct brcmf_bus *bus, u8 *hdr, uint len, uint doff)
if (len <= firstread)
goto gotpkt;
/* Copy the full data pkt in gSPI case and process ioctl. */
if (bus->bus == SPI_BUS) {
memcpy(bus->rxctl, hdr, len);
goto gotpkt;
}
/* Raise rdlen to next SDIO block to avoid tail command */
rdlen = len - firstread;
if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) {
......@@ -4039,26 +3984,22 @@ brcmf_sdbrcm_readframes(struct brcmf_bus *bus, uint maxframes, bool *finished)
u16 nextlen = bus->nextlen;
bus->nextlen = 0;
if (bus->bus == SPI_BUS) {
rdlen = len = nextlen;
} else {
rdlen = len = nextlen << 4;
/* Pad read to blocksize for efficiency */
if (bus->roundup && bus->blocksize
&& (rdlen > bus->blocksize)) {
pad =
bus->blocksize -
(rdlen % bus->blocksize);
if ((pad <= bus->roundup)
&& (pad < bus->blocksize)
&& ((rdlen + pad + firstread) <
MAX_RX_DATASZ))
rdlen += pad;
} else if (rdlen % BRCMF_SDALIGN) {
rdlen += BRCMF_SDALIGN -
(rdlen % BRCMF_SDALIGN);
}
rdlen = len = nextlen << 4;
/* Pad read to blocksize for efficiency */
if (bus->roundup && bus->blocksize
&& (rdlen > bus->blocksize)) {
pad =
bus->blocksize -
(rdlen % bus->blocksize);
if ((pad <= bus->roundup)
&& (pad < bus->blocksize)
&& ((rdlen + pad + firstread) <
MAX_RX_DATASZ))
rdlen += pad;
} else if (rdlen % BRCMF_SDALIGN) {
rdlen += BRCMF_SDALIGN -
(rdlen % BRCMF_SDALIGN);
}
/* We use bus->rxctl buffer in WinXP for initial
......@@ -4074,60 +4015,15 @@ brcmf_sdbrcm_readframes(struct brcmf_bus *bus, uint maxframes, bool *finished)
/* Allocate a packet buffer */
pkt = brcmu_pkt_buf_get_skb(rdlen + BRCMF_SDALIGN);
if (!pkt) {
if (bus->bus == SPI_BUS) {
bus->usebufpool = false;
bus->rxctl = bus->rxbuf;
if (brcmf_alignctl) {
bus->rxctl += firstread;
pad = ((unsigned long)bus->rxctl
% BRCMF_SDALIGN);
if (pad)
bus->rxctl +=
(BRCMF_SDALIGN - pad);
bus->rxctl -= firstread;
}
rxbuf = bus->rxctl;
/* Read the entire frame */
sdret = brcmf_sdcard_recv_buf(
bus->sdiodev,
brcmf_sdcard_cur_sbwad(
bus->sdiodev),
SDIO_FUNC_2, F2SYNC,
rxbuf, rdlen,
NULL, NULL, NULL);
bus->f2rxdata++;
/* Control frame failures need
retransmission */
if (sdret < 0) {
BRCMF_ERROR(("%s: read %d "
"control bytes "
"failed: %d\n",
__func__,
rdlen, sdret));
/* dhd.rx_ctlerrs is higher */
bus->rxc_errors++;
brcmf_sdbrcm_rxfail(bus, true,
(bus->bus ==
SPI_BUS) ? false
: true);
continue;
}
} else {
/* Give up on data,
request rtx of events */
BRCMF_ERROR(("%s (nextlen): "
"brcmu_pkt_buf_get_skb "
"failed:"
" len %d rdlen %d expected"
" rxseq %d\n", __func__,
len, rdlen, rxseq));
continue;
}
/* Give up on data, request rtx of events */
BRCMF_ERROR(("%s (nextlen): "
"brcmu_pkt_buf_get_skb "
"failed:"
" len %d rdlen %d expected"
" rxseq %d\n", __func__,
len, rdlen, rxseq));
continue;
} else {
if (bus->bus == SPI_BUS)
bus->usebufpool = true;
PKTALIGN(pkt, rdlen, BRCMF_SDALIGN);
rxbuf = (u8 *) (pkt->data);
/* Read the entire frame */
......@@ -4149,10 +4045,7 @@ brcmf_sdbrcm_readframes(struct brcmf_bus *bus, uint maxframes, bool *finished)
* Don't attempt NAK for
* gSPI
*/
brcmf_sdbrcm_rxfail(bus, true,
(bus->bus ==
SPI_BUS) ? false :
true);
brcmf_sdbrcm_rxfail(bus, true, true);
continue;
}
}
......@@ -4202,8 +4095,7 @@ brcmf_sdbrcm_readframes(struct brcmf_bus *bus, uint maxframes, bool *finished)
"expected rxseq %d\n",
__func__, nextlen,
len, roundup(len, 16), rxseq));
brcmf_sdbrcm_rxfail(bus, true,
bus->bus != SPI_BUS);
brcmf_sdbrcm_rxfail(bus, true, true);
brcmf_sdbrcm_pktfree2(bus, pkt);
continue;
}
......@@ -4275,29 +4167,16 @@ brcmf_sdbrcm_readframes(struct brcmf_bus *bus, uint maxframes, bool *finished)
#endif
if (chan == SDPCM_CONTROL_CHANNEL) {
if (bus->bus == SPI_BUS) {
brcmf_sdbrcm_read_control(bus, rxbuf,
len, doff);
} else {
BRCMF_ERROR(("%s (nextlen): readahead"
" on control packet %d?\n",
__func__, seq));
/* Force retry w/normal header read */
bus->nextlen = 0;
brcmf_sdbrcm_rxfail(bus, false, true);
}
BRCMF_ERROR(("%s (nextlen): readahead"
" on control packet %d?\n",
__func__, seq));
/* Force retry w/normal header read */
bus->nextlen = 0;
brcmf_sdbrcm_rxfail(bus, false, true);
brcmf_sdbrcm_pktfree2(bus, pkt);
continue;
}
if ((bus->bus == SPI_BUS) && !bus->usebufpool) {
BRCMF_ERROR(("Received %d bytes on %d channel."
" Running out of " "rx pktbuf's or"
" not yet malloced.\n",
len, chan));
continue;
}
/* Validate data offset */
if ((doff < SDPCM_HDRLEN) || (doff > len)) {
BRCMF_ERROR(("%s (nextlen): bad data offset %d:"
......@@ -4311,9 +4190,6 @@ brcmf_sdbrcm_readframes(struct brcmf_bus *bus, uint maxframes, bool *finished)
/* All done with this one -- now deliver the packet */
goto deliver;
}
/* gSPI frames should not be handled in fractions */
if (bus->bus == SPI_BUS)
break;
/* Read frame header (hardware and software) */
sdret = brcmf_sdcard_recv_buf(bus->sdiodev,
......@@ -5384,7 +5260,6 @@ void *brcmf_sdbrcm_probe(u16 bus_no, u16 slot, u16 func, uint bustype,
brcmf_txbound = BRCMF_TXBOUND;
brcmf_rxbound = BRCMF_RXBOUND;
brcmf_alignctl = true;
sd1idle = true;
brcmf_readahead = true;
retrydata = false;
brcmf_dongle_memsize = 0;
......@@ -5408,7 +5283,6 @@ void *brcmf_sdbrcm_probe(u16 bus_no, u16 slot, u16 func, uint bustype,
}
bus->sdiodev = sdiodev;
sdiodev->bus = bus;
bus->bus = BRCMF_BUS;
bus->tx_seq = SDPCM_SEQUENCE_WRAP - 1;
bus->usebufpool = false; /* Use bufpool if allocated,
else use locally malloced rxbuf */
......@@ -5578,22 +5452,20 @@ brcmf_sdbrcm_probe_attach(struct brcmf_bus *bus, u32 regsva)
brcmf_sdbrcm_sdiod_drive_strength_init(bus, brcmf_sdiod_drive_strength);
/* Get info on the ARM and SOCRAM cores... */
if (!BRCMF_NOPMU(bus)) {
brcmf_sdcard_reg_read(bus->sdiodev,
CORE_SB(bus->ci->armcorebase, sbidhigh), 4);
bus->orig_ramsize = bus->ci->ramsize;
if (!(bus->orig_ramsize)) {
BRCMF_ERROR(("%s: failed to find SOCRAM memory!\n",
__func__));
goto fail;
}
bus->ramsize = bus->orig_ramsize;
if (brcmf_dongle_memsize)
brcmf_sdbrcm_setmemsize(bus, brcmf_dongle_memsize);
BRCMF_ERROR(("DHD: dongle ram size is set to %d(orig %d)\n",
bus->ramsize, bus->orig_ramsize));
brcmf_sdcard_reg_read(bus->sdiodev,
CORE_SB(bus->ci->armcorebase, sbidhigh), 4);
bus->orig_ramsize = bus->ci->ramsize;
if (!(bus->orig_ramsize)) {
BRCMF_ERROR(("%s: failed to find SOCRAM memory!\n",
__func__));
goto fail;
}
bus->ramsize = bus->orig_ramsize;
if (brcmf_dongle_memsize)
brcmf_sdbrcm_setmemsize(bus, brcmf_dongle_memsize);
BRCMF_ERROR(("DHD: dongle ram size is set to %d(orig %d)\n",
bus->ramsize, bus->orig_ramsize));
/* Set core control so an SDIO reset does a backplane reset */
reg_addr = bus->ci->buscorebase +
......
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