Make (mostly) checkpatch-clean
We don't acctually change the code (like convert to use I/O accessors), so there will be some remaining "Use of volatile" warnings from checkpatch.
Signed-off-by: Wolfgang Denk wd@denx.de Cc: Heiko Schocher hs@denx.de --- arch/powerpc/cpu/mpc8xx/i2c.c | 303 +++++++++++++++++++++-------------------- 1 files changed, 154 insertions(+), 149 deletions(-)
diff --git a/arch/powerpc/cpu/mpc8xx/i2c.c b/arch/powerpc/cpu/mpc8xx/i2c.c index 1ca51fd..7c3727c 100644 --- a/arch/powerpc/cpu/mpc8xx/i2c.c +++ b/arch/powerpc/cpu/mpc8xx/i2c.c @@ -50,13 +50,13 @@ DECLARE_GLOBAL_DATA_PTR; #define MAX_TX_SPACE 256 #define I2C_RXTX_LEN 128 /* maximum tx/rx buffer length */
-typedef struct I2C_BD -{ - unsigned short status; - unsigned short length; - unsigned char *addr; +typedef struct I2C_BD { + unsigned short status; + unsigned short length; + unsigned char *addr; } I2C_BD; -#define BD_I2C_TX_START 0x0400 /* special status for i2c: Start condition */ + +#define BD_I2C_TX_START 0x0400 /* special status for i2c: Start condition */
#define BD_I2C_TX_CL 0x0001 /* collision error */ #define BD_I2C_TX_UN 0x0002 /* underflow error */ @@ -65,41 +65,41 @@ typedef struct I2C_BD
#define BD_I2C_RX_ERR BD_SC_OV
-typedef void (*i2c_ecb_t)(int, int); /* error callback function */ +typedef void (*i2c_ecb_t) (int, int); /* error callback function */
/* This structure keeps track of the bd and buffer space usage. */ typedef struct i2c_state { - int rx_idx; /* index to next free Rx BD */ - int tx_idx; /* index to next free Tx BD */ - void *rxbd; /* pointer to next free Rx BD */ - void *txbd; /* pointer to next free Tx BD */ - int tx_space; /* number of Tx bytes left */ - unsigned char *tx_buf; /* pointer to free Tx area */ - i2c_ecb_t err_cb; /* error callback function */ + int rx_idx; /* index to next free Rx BD */ + int tx_idx; /* index to next free Tx BD */ + void *rxbd; /* pointer to next free Rx BD */ + void *txbd; /* pointer to next free Tx BD */ + int tx_space; /* number of Tx bytes left */ + unsigned char *tx_buf; /* pointer to free Tx area */ + i2c_ecb_t err_cb; /* error callback function */ } i2c_state_t;
/* flags for i2c_send() and i2c_receive() */ -#define I2CF_ENABLE_SECONDARY 0x01 /* secondary_address is valid */ -#define I2CF_START_COND 0x02 /* tx: generate start condition */ -#define I2CF_STOP_COND 0x04 /* tx: generate stop condition */ +#define I2CF_ENABLE_SECONDARY 0x01 /* secondary_address is valid */ +#define I2CF_START_COND 0x02 /* tx: generate start condition */ +#define I2CF_STOP_COND 0x04 /* tx: generate stop condition */
/* return codes */ -#define I2CERR_NO_BUFFERS 0x01 /* no more BDs or buffer space */ -#define I2CERR_MSG_TOO_LONG 0x02 /* tried to send/receive to much data */ -#define I2CERR_TIMEOUT 0x03 /* timeout in i2c_doio() */ -#define I2CERR_QUEUE_EMPTY 0x04 /* i2c_doio called without send/receive */ +#define I2CERR_NO_BUFFERS 0x01 /* no more BDs or buffer space */ +#define I2CERR_MSG_TOO_LONG 0x02 /* tried to send/receive to much data */ +#define I2CERR_TIMEOUT 0x03 /* timeout in i2c_doio() */ +#define I2CERR_QUEUE_EMPTY 0x04 /* i2c_doio called without send/receive */
/* error callback flags */ -#define I2CECB_RX_ERR 0x10 /* this is a receive error */ -#define I2CECB_RX_ERR_OV 0x02 /* receive overrun error */ -#define I2CECB_RX_MASK 0x0f /* mask for error bits */ -#define I2CECB_TX_ERR 0x20 /* this is a transmit error */ -#define I2CECB_TX_CL 0x01 /* transmit collision error */ -#define I2CECB_TX_UN 0x02 /* transmit underflow error */ -#define I2CECB_TX_NAK 0x04 /* transmit no ack error */ -#define I2CECB_TX_MASK 0x0f /* mask for error bits */ -#define I2CECB_TIMEOUT 0x40 /* this is a timeout error */ +#define I2CECB_RX_ERR 0x10 /* this is a receive error */ +#define I2CECB_RX_ERR_OV 0x02 /* receive overrun error */ +#define I2CECB_RX_MASK 0x0f /* mask for error bits */ +#define I2CECB_TX_ERR 0x20 /* this is a transmit error */ +#define I2CECB_TX_CL 0x01 /* transmit collision error */ +#define I2CECB_TX_UN 0x02 /* transmit underflow error */ +#define I2CECB_TX_NAK 0x04 /* transmit no ack error */ +#define I2CECB_TX_MASK 0x0f /* mask for error bits */ +#define I2CECB_TIMEOUT 0x40 /* this is a timeout error */
#ifdef DEBUG_I2C #define PRINTD(x) printf x @@ -115,53 +115,53 @@ typedef struct i2c_state { */ static inline int i2c_roundrate(int hz, int speed, int filter, int modval, - int *brgval, int *totspeed) + int *brgval, int *totspeed) { - int moddiv = 1 << (5-(modval & 3)), brgdiv, div; + int moddiv = 1 << (5 - (modval & 3)), brgdiv, div;
- PRINTD(("\t[I2C] trying hz=%d, speed=%d, filter=%d, modval=%d\n", - hz, speed, filter, modval)); + PRINTD(("\t[I2C] trying hz=%d, speed=%d, filter=%d, modval=%d\n", + hz, speed, filter, modval));
- div = moddiv * speed; - brgdiv = (hz + div - 1) / div; + div = moddiv * speed; + brgdiv = (hz + div - 1) / div;
- PRINTD(("\t\tmoddiv=%d, brgdiv=%d\n", moddiv, brgdiv)); + PRINTD(("\t\tmoddiv=%d, brgdiv=%d\n", moddiv, brgdiv));
- *brgval = ((brgdiv + 1) / 2) - 3 - (2*filter); + *brgval = ((brgdiv + 1) / 2) - 3 - (2 * filter);
- if ((*brgval < 0) || (*brgval > 255)) { - PRINTD(("\t\trejected brgval=%d\n", *brgval)); - return -1; - } + if ((*brgval < 0) || (*brgval > 255)) { + PRINTD(("\t\trejected brgval=%d\n", *brgval)); + return -1; + }
- brgdiv = 2 * (*brgval + 3 + (2 * filter)); - div = moddiv * brgdiv ; - *totspeed = hz / div; + brgdiv = 2 * (*brgval + 3 + (2 * filter)); + div = moddiv * brgdiv; + *totspeed = hz / div;
- PRINTD(("\t\taccepted brgval=%d, totspeed=%d\n", *brgval, *totspeed)); + PRINTD(("\t\taccepted brgval=%d, totspeed=%d\n", *brgval, *totspeed));
- return 0; + return 0; }
/* * Sets the I2C clock predivider and divider to meet required clock speed. */ -static int -i2c_setrate (int hz, int speed) +static int i2c_setrate(int hz, int speed) { - immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; + immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; volatile i2c8xx_t *i2c = (i2c8xx_t *) & immap->im_i2c; - int brgval, - modval, /* 0-3 */ - bestspeed_diff = speed, - bestspeed_brgval = 0, - bestspeed_modval = 0, - bestspeed_filter = 0, - totspeed, - filter = 0; /* Use this fixed value */ + int brgval, + modval, /* 0-3 */ + bestspeed_diff = speed, + bestspeed_brgval = 0, + bestspeed_modval = 0, + bestspeed_filter = 0, + totspeed, + filter = 0; /* Use this fixed value */
for (modval = 0; modval < 4; modval++) { - if (i2c_roundrate(hz,speed,filter,modval,&brgval,&totspeed) == 0) { + if (i2c_roundrate + (hz, speed, filter, modval, &brgval, &totspeed) == 0) { int diff = speed - totspeed;
if ((diff >= 0) && (diff < bestspeed_diff)) { @@ -182,21 +182,21 @@ i2c_setrate (int hz, int speed) bestspeed_brgval, bestspeed_diff));
- i2c->i2c_i2mod |= ((bestspeed_modval & 3) << 1) | (bestspeed_filter << 3); + i2c->i2c_i2mod |= + ((bestspeed_modval & 3) << 1) | (bestspeed_filter << 3); i2c->i2c_i2brg = bestspeed_brgval & 0xff;
PRINTD (("[I2C] i2mod=%08x i2brg=%08x\n", i2c->i2c_i2mod, - i2c->i2c_i2brg)); + i2c->i2c_i2brg));
return 1; }
-void -i2c_init(int speed, int slaveaddr) +void i2c_init(int speed, int slaveaddr) { - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR ; + volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; volatile cpm8xx_t *cp = (cpm8xx_t *)&immap->im_cpm; - volatile i2c8xx_t *i2c = (i2c8xx_t *)&immap->im_i2c; + volatile i2c8xx_t *i2c = (i2c8xx_t *)&immap->im_i2c; volatile iic_t *iip = (iic_t *)&cp->cp_dparam[PROFF_IIC]; ulong rbase, tbase; volatile I2C_BD *rxbd, *txbd; @@ -219,10 +219,10 @@ i2c_init(int speed, int slaveaddr) #ifdef CONFIG_SYS_ALLOC_DPRAM dpaddr = iip->iic_rbase; if (dpaddr == 0) { - /* need to allocate dual port ram */ - dpaddr = dpram_alloc_align( - (NUM_RX_BDS * sizeof(I2C_BD)) + (NUM_TX_BDS * sizeof(I2C_BD)) + - MAX_TX_SPACE, 8); + /* need to allocate dual port ram */ + dpaddr = dpram_alloc_align((NUM_RX_BDS * sizeof(I2C_BD)) + + (NUM_TX_BDS * sizeof(I2C_BD)) + + MAX_TX_SPACE, 8); } #else dpaddr = CPM_I2C_BASE; @@ -256,19 +256,19 @@ i2c_init(int speed, int slaveaddr) * divide BRGCLK by 1) */ PRINTD(("[I2C] Setting rate...\n")); - i2c_setrate (gd->cpu_clk, CONFIG_SYS_I2C_SPEED) ; + i2c_setrate(gd->cpu_clk, CONFIG_SYS_I2C_SPEED);
/* Set I2C controller in master mode */ i2c->i2c_i2com = 0x01;
/* Set SDMA bus arbitration level to 5 (SDCR) */ - immap->im_siu_conf.sc_sdcr = 0x0001 ; + immap->im_siu_conf.sc_sdcr = 0x0001;
/* Initialize Tx/Rx parameters */ iip->iic_rbase = rbase; iip->iic_tbase = tbase; - rxbd = (I2C_BD *)((unsigned char *)&cp->cp_dpmem[iip->iic_rbase]); - txbd = (I2C_BD *)((unsigned char *)&cp->cp_dpmem[iip->iic_tbase]); + rxbd = (I2C_BD *) ((unsigned char *) &cp->cp_dpmem[iip->iic_rbase]); + txbd = (I2C_BD *) ((unsigned char *) &cp->cp_dpmem[iip->iic_tbase]);
PRINTD(("[I2C] rbase = %04x\n", iip->iic_rbase)); PRINTD(("[I2C] tbase = %04x\n", iip->iic_tbase)); @@ -286,14 +286,14 @@ i2c_init(int speed, int slaveaddr) /* * Initialize required parameters if using microcode patch. */ - iip->iic_rbptr = iip->iic_rbase; - iip->iic_tbptr = iip->iic_tbase; + iip->iic_rbptr = iip->iic_rbase; + iip->iic_tbptr = iip->iic_tbase; iip->iic_rstate = 0; iip->iic_tstate = 0; #else cp->cp_cpcr = mk_cr_cmd(CPM_CR_CH_I2C, CPM_CR_INIT_TRX) | CPM_CR_FLG; do { - __asm__ __volatile__ ("eieio"); + __asm__ __volatile__("eieio"); } while (cp->cp_cpcr & CPM_CR_FLG); #endif
@@ -302,10 +302,9 @@ i2c_init(int speed, int slaveaddr) i2c->i2c_i2cmr = 0x00; }
-static void -i2c_newio(i2c_state_t *state) +static void i2c_newio(i2c_state_t *state) { - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR ; + volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; volatile cpm8xx_t *cp = (cpm8xx_t *)&immap->im_cpm; volatile iic_t *iip = (iic_t *)&cp->cp_dparam[PROFF_IIC];
@@ -316,10 +315,10 @@ i2c_newio(i2c_state_t *state) #endif state->rx_idx = 0; state->tx_idx = 0; - state->rxbd = (void*)&cp->cp_dpmem[iip->iic_rbase]; - state->txbd = (void*)&cp->cp_dpmem[iip->iic_tbase]; + state->rxbd = (void *)&cp->cp_dpmem[iip->iic_rbase]; + state->txbd = (void *)&cp->cp_dpmem[iip->iic_tbase]; state->tx_space = MAX_TX_SPACE; - state->tx_buf = (uchar*)state->txbd + NUM_TX_BDS * sizeof(I2C_BD); + state->tx_buf = (uchar *)state->txbd + NUM_TX_BDS * sizeof(I2C_BD); state->err_cb = NULL;
PRINTD(("[I2C] rxbd = %08x\n", (int)state->rxbd)); @@ -334,25 +333,23 @@ static int i2c_send(i2c_state_t *state, unsigned char address, unsigned char secondary_address, - unsigned int flags, - unsigned short size, - unsigned char *dataout) + unsigned int flags, unsigned short size, unsigned char *dataout) { volatile I2C_BD *txbd; - int i,j; + int i, j;
PRINTD(("[I2C] i2c_send add=%02d sec=%02d flag=%02d size=%d\n", - address, secondary_address, flags, size)); + address, secondary_address, flags, size));
/* trying to send message larger than BD */ if (size > I2C_RXTX_LEN) - return I2CERR_MSG_TOO_LONG; + return I2CERR_MSG_TOO_LONG;
/* no more free bds */ if (state->tx_idx >= NUM_TX_BDS || state->tx_space < (2 + size)) - return I2CERR_NO_BUFFERS; + return I2CERR_NO_BUFFERS;
- txbd = (I2C_BD *)state->txbd; + txbd = (I2C_BD *) state->txbd; txbd->addr = state->tx_buf;
PRINTD(("[I2C] txbd = %08x\n", (int)txbd)); @@ -360,43 +357,47 @@ i2c_send(i2c_state_t *state, if (flags & I2CF_START_COND) { PRINTD(("[I2C] Formatting addresses...\n")); if (flags & I2CF_ENABLE_SECONDARY) { - txbd->length = size + 2; /* Length of msg + dest addr */ + /* Length of msg + dest addr */ + txbd->length = size + 2; + txbd->addr[0] = address << 1; txbd->addr[1] = secondary_address; i = 2; } else { - txbd->length = size + 1; /* Length of msg + dest addr */ - txbd->addr[0] = address << 1; /* Write dest addr to BD */ + /* Length of msg + dest addr */ + txbd->length = size + 1; + /* Write dest addr to BD */ + txbd->addr[0] = address << 1; i = 1; } } else { - txbd->length = size; /* Length of message */ + txbd->length = size; /* Length of message */ i = 0; }
/* set up txbd */ txbd->status = BD_SC_READY; if (flags & I2CF_START_COND) - txbd->status |= BD_I2C_TX_START; + txbd->status |= BD_I2C_TX_START; if (flags & I2CF_STOP_COND) - txbd->status |= BD_SC_LAST | BD_SC_WRAP; + txbd->status |= BD_SC_LAST | BD_SC_WRAP;
/* Copy data to send into buffer */ PRINTD(("[I2C] copy data...\n")); for(j = 0; j < size; i++, j++) - txbd->addr[i] = dataout[j]; + txbd->addr[i] = dataout[j];
PRINTD(("[I2C] txbd: length=0x%04x status=0x%04x addr[0]=0x%02x addr[1]=0x%02x\n", - txbd->length, - txbd->status, - txbd->addr[0], - txbd->addr[1])); + txbd->length, + txbd->status, + txbd->addr[0], + txbd->addr[1]));
/* advance state */ state->tx_buf += txbd->length; state->tx_space -= txbd->length; state->tx_idx++; - state->txbd = (void*)(txbd + 1); + state->txbd = (void *) (txbd + 1);
return 0; } @@ -406,24 +407,24 @@ i2c_receive(i2c_state_t *state, unsigned char address, unsigned char secondary_address, unsigned int flags, - unsigned short size_to_expect, - unsigned char *datain) + unsigned short size_to_expect, unsigned char *datain) { volatile I2C_BD *rxbd, *txbd;
- PRINTD(("[I2C] i2c_receive %02d %02d %02d\n", address, secondary_address, flags)); + PRINTD(("[I2C] i2c_receive %02d %02d %02d\n", + address, secondary_address, flags));
/* Expected to receive too much */ if (size_to_expect > I2C_RXTX_LEN) - return I2CERR_MSG_TOO_LONG; + return I2CERR_MSG_TOO_LONG;
/* no more free bds */ if (state->tx_idx >= NUM_TX_BDS || state->rx_idx >= NUM_RX_BDS - || state->tx_space < 2) - return I2CERR_NO_BUFFERS; + || state->tx_space < 2) + return I2CERR_NO_BUFFERS;
- rxbd = (I2C_BD *)state->rxbd; - txbd = (I2C_BD *)state->txbd; + rxbd = (I2C_BD *) state->rxbd; + txbd = (I2C_BD *) state->txbd;
PRINTD(("[I2C] rxbd = %08x\n", (int)rxbd)); PRINTD(("[I2C] txbd = %08x\n", (int)txbd)); @@ -433,8 +434,8 @@ i2c_receive(i2c_state_t *state, /* set up TXBD for destination address */ if (flags & I2CF_ENABLE_SECONDARY) { txbd->length = 2; - txbd->addr[0] = address << 1; /* Write data */ - txbd->addr[1] = secondary_address; /* Internal address */ + txbd->addr[0] = address << 1; /* Write data */ + txbd->addr[1] = secondary_address; /* Internal address */ txbd->status = BD_SC_READY; } else { txbd->length = 1 + size_to_expect; @@ -455,23 +456,23 @@ i2c_receive(i2c_state_t *state, }
PRINTD(("[I2C] txbd: length=0x%04x status=0x%04x addr[0]=0x%02x addr[1]=0x%02x\n", - txbd->length, - txbd->status, - txbd->addr[0], - txbd->addr[1])); + txbd->length, + txbd->status, + txbd->addr[0], + txbd->addr[1])); PRINTD(("[I2C] rxbd: length=0x%04x status=0x%04x addr[0]=0x%02x addr[1]=0x%02x\n", - rxbd->length, - rxbd->status, - rxbd->addr[0], - rxbd->addr[1])); + rxbd->length, + rxbd->status, + rxbd->addr[0], + rxbd->addr[1]));
/* advance state */ state->tx_buf += txbd->length; state->tx_space -= txbd->length; state->tx_idx++; - state->txbd = (void*)(txbd + 1); + state->txbd = (void *) (txbd + 1); state->rx_idx++; - state->rxbd = (void*)(rxbd + 1); + state->rxbd = (void *) (rxbd + 1);
return 0; } @@ -479,9 +480,9 @@ i2c_receive(i2c_state_t *state,
static int i2c_doio(i2c_state_t *state) { - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR ; + volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; volatile cpm8xx_t *cp = (cpm8xx_t *)&immap->im_cpm; - volatile i2c8xx_t *i2c = (i2c8xx_t *)&immap->im_i2c; + volatile i2c8xx_t *i2c = (i2c8xx_t *)&immap->im_i2c; volatile iic_t *iip = (iic_t *)&cp->cp_dparam[PROFF_IIC]; volatile I2C_BD *txbd, *rxbd; volatile int j = 0; @@ -512,22 +513,22 @@ static int i2c_doio(i2c_state_t *state) if (state->tx_idx > 0) { txbd = ((I2C_BD*)state->txbd) - 1; PRINTD(("[I2C] Transmitting...(txbd=0x%08lx)\n", (ulong)txbd)); - while((txbd->status & BD_SC_READY) && (j++ < TOUT_LOOP)) { - if (ctrlc()) { + while ((txbd->status & BD_SC_READY) && (j++ < TOUT_LOOP)) { + if (ctrlc()) return (-1); - } - __asm__ __volatile__ ("eieio"); + + __asm__ __volatile__("eieio"); } }
if ((state->rx_idx > 0) && (j < TOUT_LOOP)) { rxbd = ((I2C_BD*)state->rxbd) - 1; PRINTD(("[I2C] Receiving...(rxbd=0x%08lx)\n", (ulong)rxbd)); - while((rxbd->status & BD_SC_EMPTY) && (j++ < TOUT_LOOP)) { - if (ctrlc()) { + while ((rxbd->status & BD_SC_EMPTY) && (j++ < TOUT_LOOP)) { + if (ctrlc()) return (-1); - } - __asm__ __volatile__ ("eieio"); + + __asm__ __volatile__("eieio"); } }
@@ -544,22 +545,24 @@ static int i2c_doio(i2c_state_t *state)
if ((n = state->tx_idx) > 0) { for (i = 0; i < n; i++) { - txbd = ((I2C_BD*)state->txbd) - (n - i); + txbd = ((I2C_BD *) state->txbd) - (n - i); if ((b = txbd->status & BD_I2C_TX_ERR) != 0) - (*state->err_cb)(I2CECB_TX_ERR|b, i); + (*state->err_cb) (I2CECB_TX_ERR | b, + i); } }
if ((n = state->rx_idx) > 0) { for (i = 0; i < n; i++) { - rxbd = ((I2C_BD*)state->rxbd) - (n - i); + rxbd = ((I2C_BD *) state->rxbd) - (n - i); if ((b = rxbd->status & BD_I2C_RX_ERR) != 0) - (*state->err_cb)(I2CECB_RX_ERR|b, i); + (*state->err_cb) (I2CECB_RX_ERR | b, + i); } }
if (j >= TOUT_LOOP) - (*state->err_cb)(I2CECB_TIMEOUT, 0); + (*state->err_cb) (I2CECB_TIMEOUT, 0); }
return (j >= TOUT_LOOP) ? I2CERR_TIMEOUT : 0; @@ -567,8 +570,7 @@ static int i2c_doio(i2c_state_t *state)
static int had_tx_nak;
-static void -i2c_test_callback(int flags, int xnum) +static void i2c_test_callback(int flags, int xnum) { if ((flags & I2CECB_TX_ERR) && (flags & I2CECB_TX_NAK)) had_tx_nak = 1; @@ -587,7 +589,8 @@ int i2c_probe(uchar chip) state.err_cb = i2c_test_callback; had_tx_nak = 0;
- rc = i2c_receive(&state, chip, 0, I2CF_START_COND|I2CF_STOP_COND, 1, buf); + rc = i2c_receive(&state, chip, 0, I2CF_START_COND | I2CF_STOP_COND, 1, + buf);
if (rc != 0) return (rc); @@ -612,8 +615,8 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
xaddr[0] = (addr >> 24) & 0xFF; xaddr[1] = (addr >> 16) & 0xFF; - xaddr[2] = (addr >> 8) & 0xFF; - xaddr[3] = addr & 0xFF; + xaddr[2] = (addr >> 8) & 0xFF; + xaddr[3] = addr & 0xFF;
#ifdef CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW /* @@ -626,12 +629,13 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len) * be one byte because the extra address bits are hidden in the * chip address. */ - chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW); + chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW); #endif
i2c_newio(&state);
- rc = i2c_send(&state, chip, 0, I2CF_START_COND, alen, &xaddr[4-alen]); + rc = i2c_send(&state, chip, 0, I2CF_START_COND, alen, + &xaddr[4 - alen]); if (rc != 0) { printf("i2c_read: i2c_send failed (%d)\n", rc); return 1; @@ -659,8 +663,8 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
xaddr[0] = (addr >> 24) & 0xFF; xaddr[1] = (addr >> 16) & 0xFF; - xaddr[2] = (addr >> 8) & 0xFF; - xaddr[3] = addr & 0xFF; + xaddr[2] = (addr >> 8) & 0xFF; + xaddr[3] = addr & 0xFF;
#ifdef CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW /* @@ -673,12 +677,13 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) * be one byte because the extra address bits are hidden in the * chip address. */ - chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW); + chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW); #endif
i2c_newio(&state);
- rc = i2c_send(&state, chip, 0, I2CF_START_COND, alen, &xaddr[4-alen]); + rc = i2c_send(&state, chip, 0, I2CF_START_COND, alen, + &xaddr[4 - alen]); if (rc != 0) { printf("i2c_write: first i2c_send failed (%d)\n", rc); return 1; @@ -698,4 +703,4 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) return 0; }
-#endif /* CONFIG_HARD_I2C */ +#endif /* CONFIG_HARD_I2C */