129 	/* Specs say to write ones most of the time, even when the card
131 	 * This is our source of those ones.
133 	void			*ones;  member
262 	 * two data bits, but otherwise it's all ones.  in mmc_spi_response_get()
273 		/* Card sends N(CR) (== 1..8) bytes of all-ones then one  in mmc_spi_response_get()
443 	 *  - an all-ones byte to ensure the card is ready  in mmc_spi_command_send()
448 	 * We init the whole buffer to all-ones, which is what we need  in mmc_spi_command_send()
458 	/* Then, read up to 13 bytes (while writing all-ones):  in mmc_spi_command_send()
459 	 *  - N(CR) (== 1..8) bytes of all-ones  in mmc_spi_command_send()
468 	 *  - N(EC) (== 0..N) bytes of all-ones, before deselect/finish  in mmc_spi_command_send()
469 	 *  - N(RC) (== 1..N) bytes of all-ones, before next command  in mmc_spi_command_send()
470 	 *  - N(WR) (== 1..N) bytes of all-ones, before data write  in mmc_spi_command_send()
487 	 *      + N(CX) (== 0..8) bytes of all-ones, before CSD or CID  in mmc_spi_command_send()
488 	 *      + N(AC) (== 1..many) bytes of all-ones  in mmc_spi_command_send()
548  * requires us to write ones; but Linux defaults to writing zeroes;
549  * so we explicitly initialize it to all ones on RX paths.
586 	 * either TX-only, or RX with TX-ones.  in mmc_spi_setup_data_message()
590 	t->tx_buf = host->ones;  in mmc_spi_setup_data_message()
604 		t->tx_buf = host->ones;  in mmc_spi_setup_data_message()
613 	 * A single block read is followed by N(EC) [0+] all-ones bytes  in mmc_spi_setup_data_message()
616 	 * Multiblock reads are followed by N(AC) [1+] all-ones bytes before  in mmc_spi_setup_data_message()
621 	 * come zero or more busy bytes, then N(WR) [1+] all-ones bytes.  in mmc_spi_setup_data_message()
622 	 * Then single block reads may deselect, and multiblock ones issue  in mmc_spi_setup_data_message()
630 		t->tx_buf = host->ones;  in mmc_spi_setup_data_message()
642  *  - caller handled preceding N(WR) [1+] all-ones bytes
647  *  - an all-ones byte ... card writes a data-response byte
648  *  - followed by N(EC) [0+] all-ones bytes, card writes zero/'busy'
744  *  - skip leading all-ones bytes ... either
752  * After single block reads, we're done; N(EC) [0+] all-ones bytes follow
769 	 * applies, before the all-ones bytes ... just cope with that.  in mmc_spi_readblock()
981 		 * all-ones bytes ... skip N(BR) (0..1), scan the rest for  in mmc_spi_data_do()
1292 	host->ones_dma = dma_map_single(dev, host->ones, MMC_SPI_BLOCKSIZE,  in mmc_spi_dma_alloc()
1329 	void			*ones;  in mmc_spi_probe()  local
1359 	/* We need a supply of ones to transmit.  This is the only time  in mmc_spi_probe()
1366 	ones = kmalloc(MMC_SPI_BLOCKSIZE, GFP_KERNEL);  in mmc_spi_probe()
1367 	if (!ones)  in mmc_spi_probe()
1369 	memset(ones, 0xff, MMC_SPI_BLOCKSIZE);  in mmc_spi_probe()
1398 	host->ones = ones;  in mmc_spi_probe()
1432 	host->status.tx_buf = host->ones;  in mmc_spi_probe()
1500 	kfree(ones);  in mmc_spi_probe()
1518 	kfree(host->ones);  in mmc_spi_remove()