125 	/* Specs say to write ones most of the time, even when the card
127 	 * This is our source of those ones.
129 	void			*ones;  member
235 	 * two data bits, but otherwise it's all ones.  in mmc_spi_response_get()
246 		/* Card sends N(CR) (== 1..8) bytes of all-ones then one  in mmc_spi_response_get()
416 	 *  - an all-ones byte to ensure the card is ready  in mmc_spi_command_send()
421 	 * We init the whole buffer to all-ones, which is what we need  in mmc_spi_command_send()
431 	/* Then, read up to 13 bytes (while writing all-ones):  in mmc_spi_command_send()
432 	 *  - N(CR) (== 1..8) bytes of all-ones  in mmc_spi_command_send()
441 	 *  - N(EC) (== 0..N) bytes of all-ones, before deselect/finish  in mmc_spi_command_send()
442 	 *  - N(RC) (== 1..N) bytes of all-ones, before next command  in mmc_spi_command_send()
443 	 *  - N(WR) (== 1..N) bytes of all-ones, before data write  in mmc_spi_command_send()
460 	 *      + N(CX) (== 0..8) bytes of all-ones, before CSD or CID  in mmc_spi_command_send()
461 	 *      + N(AC) (== 1..many) bytes of all-ones  in mmc_spi_command_send()
509  * requires us to write ones; but Linux defaults to writing zeroes;
510  * so we explicitly initialize it to all ones on RX paths.
539 	 * either TX-only, or RX with TX-ones.  in mmc_spi_setup_data_message()
543 	t->tx_buf = host->ones;  in mmc_spi_setup_data_message()
554 		t->tx_buf = host->ones;  in mmc_spi_setup_data_message()
560 	 * A single block read is followed by N(EC) [0+] all-ones bytes  in mmc_spi_setup_data_message()
563 	 * Multiblock reads are followed by N(AC) [1+] all-ones bytes before  in mmc_spi_setup_data_message()
568 	 * come zero or more busy bytes, then N(WR) [1+] all-ones bytes.  in mmc_spi_setup_data_message()
569 	 * Then single block reads may deselect, and multiblock ones issue  in mmc_spi_setup_data_message()
577 		t->tx_buf = host->ones;  in mmc_spi_setup_data_message()
586  *  - caller handled preceding N(WR) [1+] all-ones bytes
591  *  - an all-ones byte ... card writes a data-response byte
592  *  - followed by N(EC) [0+] all-ones bytes, card writes zero/'busy'
676  *  - skip leading all-ones bytes ... either
684  * After single block reads, we're done; N(EC) [0+] all-ones bytes follow
701 	 * applies, before the all-ones bytes ... just cope with that.  in mmc_spi_readblock()
862 		 * all-ones bytes ... skip N(BR) (0..1), scan the rest for  in mmc_spi_data_do()
1151 	void			*ones;  in mmc_spi_probe()  local
1181 	/* We need a supply of ones to transmit.  This is the only time  in mmc_spi_probe()
1188 	ones = kmalloc(MMC_SPI_BLOCKSIZE, GFP_KERNEL);  in mmc_spi_probe()
1189 	if (!ones)  in mmc_spi_probe()
1191 	memset(ones, 0xff, MMC_SPI_BLOCKSIZE);  in mmc_spi_probe()
1220 	host->ones = ones;  in mmc_spi_probe()
1249 	host->status.tx_buf = host->ones;  in mmc_spi_probe()
1312 	kfree(ones);  in mmc_spi_probe()
1329 	kfree(host->ones);  in mmc_spi_remove()