65 	struct spi_transfer	*t  in bitbang_txrx_8()  argument
67 	unsigned		bits = t->bits_per_word;  in bitbang_txrx_8()
68 	unsigned		count = t->len;  in bitbang_txrx_8()
69 	const u8		*tx = t->tx_buf;  in bitbang_txrx_8()
70 	u8			*rx = t->rx_buf;  in bitbang_txrx_8()
82 	return t->len - count;  in bitbang_txrx_8()
91 	struct spi_transfer	*t  in bitbang_txrx_16()  argument
93 	unsigned		bits = t->bits_per_word;  in bitbang_txrx_16()
94 	unsigned		count = t->len;  in bitbang_txrx_16()
95 	const u16		*tx = t->tx_buf;  in bitbang_txrx_16()
96 	u16			*rx = t->rx_buf;  in bitbang_txrx_16()
108 	return t->len - count;  in bitbang_txrx_16()
117 	struct spi_transfer	*t  in bitbang_txrx_32()  argument
119 	unsigned		bits = t->bits_per_word;  in bitbang_txrx_32()
120 	unsigned		count = t->len;  in bitbang_txrx_32()
121 	const u32		*tx = t->tx_buf;  in bitbang_txrx_32()
122 	u32			*rx = t->rx_buf;  in bitbang_txrx_32()
134 	return t->len - count;  in bitbang_txrx_32()
137 int spi_bitbang_setup_transfer(struct spi_device *spi, struct spi_transfer *t)  in spi_bitbang_setup_transfer()  argument
143 	if (t) {  in spi_bitbang_setup_transfer()
144 		bits_per_word = t->bits_per_word;  in spi_bitbang_setup_transfer()
145 		hz = t->speed_hz;  in spi_bitbang_setup_transfer()
233 static int spi_bitbang_bufs(struct spi_device *spi, struct spi_transfer *t)  in spi_bitbang_bufs()  argument
238 	return cs->txrx_bufs(spi, cs->txrx_word, nsecs, t);  in spi_bitbang_bufs()
274 	struct spi_transfer	*t = NULL;  in spi_bitbang_transfer_one()  local
291 	list_for_each_entry(t, &m->transfers, transfer_list) {  in spi_bitbang_transfer_one()
294 		if (t->speed_hz || t->bits_per_word)  in spi_bitbang_transfer_one()
300 				status = bitbang->setup_transfer(spi, t);  in spi_bitbang_transfer_one()
318 		cs_change = t->cs_change;  in spi_bitbang_transfer_one()
319 		if (!t->tx_buf && !t->rx_buf && t->len) {  in spi_bitbang_transfer_one()
328 		if (t->len) {  in spi_bitbang_transfer_one()
333 				t->rx_dma = t->tx_dma = 0;  in spi_bitbang_transfer_one()
334 			status = bitbang->txrx_bufs(spi, t);  in spi_bitbang_transfer_one()
338 		if (status != t->len) {  in spi_bitbang_transfer_one()
347 		if (t->delay_usecs)  in spi_bitbang_transfer_one()
348 			udelay(t->delay_usecs);  in spi_bitbang_transfer_one()
351 		    !list_is_last(&t->transfer_list, &m->transfers)) {  in spi_bitbang_transfer_one()