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hw/sd: Rename read/write_data() as read/write_byte()

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The read/write_data() methods write do a single byte access
on the data line of a SD card. Rename them as read/write_byte().
Add some documentation (not in "hw/sd/sdcard_legacy.h" which we
are going to remove soon).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200814092346.21825-2-f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-08-14 11:23:40 +02:00
parent 9006f1e706
commit c769a88d44
5 changed files with 33 additions and 18 deletions
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8
hw/sd/omap_mmc.c
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@ -232,10 +232,10 @@ static void omap_mmc_transfer(struct omap_mmc_s *host)
if (host->fifo_len > host->af_level)
break;
value = sd_read_data(host->card);
value = sd_read_byte(host->card);
host->fifo[(host->fifo_start + host->fifo_len) & 31] = value;
if (-- host->blen_counter) {
value = sd_read_data(host->card);
value = sd_read_byte(host->card);
host->fifo[(host->fifo_start + host->fifo_len) & 31] |=
value << 8;
host->blen_counter --;
@ -247,10 +247,10 @@ static void omap_mmc_transfer(struct omap_mmc_s *host)
break;
value = host->fifo[host->fifo_start] & 0xff;
sd_write_data(host->card, value);
sd_write_byte(host->card, value);
if (-- host->blen_counter) {
value = host->fifo[host->fifo_start] >> 8;
sd_write_data(host->card, value);
sd_write_byte(host->card, value);
host->blen_counter --;
}