124 	/* Specs say to write ones most of the time, even when the card
126 	 * This is our source of those ones.
128 	void			*ones;  member
230 	 * two data bits, but otherwise it's all ones.  in mmc_spi_response_get()
241 		/* Card sends N(CR) (== 1..8) bytes of all-ones then one  in mmc_spi_response_get()
412 	 *  - an all-ones byte to ensure the card is ready  in mmc_spi_command_send()
417 	 * We init the whole buffer to all-ones, which is what we need  in mmc_spi_command_send()
427 	/* Then, read up to 13 bytes (while writing all-ones):  in mmc_spi_command_send()
428 	 *  - N(CR) (== 1..8) bytes of all-ones  in mmc_spi_command_send()
437 	 *  - N(EC) (== 0..N) bytes of all-ones, before deselect/finish  in mmc_spi_command_send()
438 	 *  - N(RC) (== 1..N) bytes of all-ones, before next command  in mmc_spi_command_send()
439 	 *  - N(WR) (== 1..N) bytes of all-ones, before data write  in mmc_spi_command_send()
456 	 *      + N(CX) (== 0..8) bytes of all-ones, before CSD or CID  in mmc_spi_command_send()
457 	 *      + N(AC) (== 1..many) bytes of all-ones  in mmc_spi_command_send()
505  * requires us to write ones; but Linux defaults to writing zeroes;
506  * so we explicitly initialize it to all ones on RX paths.
532 	 * either TX-only, or RX with TX-ones.  in mmc_spi_setup_data_message()
536 	t->tx_buf = host->ones;  in mmc_spi_setup_data_message()
547 		t->tx_buf = host->ones;  in mmc_spi_setup_data_message()
553 	 * A single block read is followed by N(EC) [0+] all-ones bytes  in mmc_spi_setup_data_message()
556 	 * Multiblock reads are followed by N(AC) [1+] all-ones bytes before  in mmc_spi_setup_data_message()
561 	 * come zero or more busy bytes, then N(WR) [1+] all-ones bytes.  in mmc_spi_setup_data_message()
562 	 * Then single block reads may deselect, and multiblock ones issue  in mmc_spi_setup_data_message()
570 		t->tx_buf = host->ones;  in mmc_spi_setup_data_message()
579  *  - caller handled preceding N(WR) [1+] all-ones bytes
584  *  - an all-ones byte ... card writes a data-response byte
585  *  - followed by N(EC) [0+] all-ones bytes, card writes zero/'busy'
669  *  - skip leading all-ones bytes ... either
677  * After single block reads, we're done; N(EC) [0+] all-ones bytes follow
694 	 * applies, before the all-ones bytes ... just cope with that.  in mmc_spi_readblock()
857 		 * all-ones bytes ... skip N(BR) (0..1), scan the rest for  in mmc_spi_data_do()
1146 	void			*ones;  in mmc_spi_probe()  local
1176 	/* We need a supply of ones to transmit.  This is the only time  in mmc_spi_probe()
1183 	ones = kmalloc(MMC_SPI_BLOCKSIZE, GFP_KERNEL);  in mmc_spi_probe()
1184 	if (!ones)  in mmc_spi_probe()
1186 	memset(ones, 0xff, MMC_SPI_BLOCKSIZE);  in mmc_spi_probe()
1218 	host->ones = ones;  in mmc_spi_probe()
1247 	host->status.tx_buf = host->ones;  in mmc_spi_probe()
1310 	kfree(ones);  in mmc_spi_probe()
1327 	kfree(host->ones);  in mmc_spi_remove()