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sdcard: simplify SEND_IF_COND (CMD8) 

replace switch(single case) -> if()

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180215221325.7611-16-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2018-02-22 15:12:54 +00:00 committed by Peter Maydell
parent 3116280040
commit ad0ade5547
1 changed files with 11 additions and 15 deletions
hw/sd
sd.c

26
hw/sd/sd.c
View File

@ -1008,23 +1008,19 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
case 8: /* CMD8: SEND_IF_COND */
/* Physical Layer Specification Version 2.00 command */
switch (sd->state) {
case sd_idle_state:
sd->vhs = 0;
/* No response if not exactly one VHS bit is set. */
if (!(req.arg >> 8) || (req.arg >> (ctz32(req.arg & ~0xff) + 1))) {
return sd->spi ? sd_r7 : sd_r0;
}
/* Accept. */
sd->vhs = req.arg;
return sd_r7;
default:
if (sd->state != sd_idle_state) {
break;
}
break;
sd->vhs = 0;
/* No response if not exactly one VHS bit is set. */
if (!(req.arg >> 8) || (req.arg >> (ctz32(req.arg & ~0xff) + 1))) {
return sd->spi ? sd_r7 : sd_r0;
}
/* Accept. */
sd->vhs = req.arg;
return sd_r7;
case 9: /* CMD9: SEND_CSD */
switch (sd->state) {