BPI/pi-u-boot
5
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mmc: use active boot slot for mmc_exit instead of fixed sdc2

Browse Source
This commit is contained in:
Qubot 2026-05-27 22:56:49 +08:00
parent 409869f074
commit 31e59fb0f1
1 changed files with 27 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/mmc/mmc.c
View File

@ -4115,25 +4115,39 @@ int mmc_initialize(bd_t *bis)
int mmc_exit(void)
{
int err;
int sdc_no = 2;
struct mmc *mmc = find_mmc_device(sdc_no);
bool uhs_en = supports_uhs(mmc->cfg->host_caps);
int sdc_no = board_mmc_get_num();
int dev_num = sunxi_mmcno_to_devnum(sdc_no);
struct mmc *mmc = NULL;
bool uhs_en;
if (dev_num >= 0)
mmc = find_mmc_device(dev_num);
if (mmc == NULL) {
MMCINFO("mmc %d not find, so not exit\n", sdc_no);
/* Legacy fallback for platforms that still expect eMMC on sdc2/sdc3 */
int fallback_sdc_no[] = { 2, 3 };
int i;
#ifdef CONFIG_MMC3_SUPPORT
sdc_no = 3;
mmc = find_mmc_device(sdc_no);
if (mmc == NULL) {
MMCINFO("mmc %d not find, so not exit\n", sdc_no);
return 0;
}
#else
MMCINFO("mmc %d not find, try legacy fallback\n", sdc_no);
for (i = 0; i < ARRAY_SIZE(fallback_sdc_no); i++) {
sdc_no = fallback_sdc_no[i];
dev_num = sunxi_mmcno_to_devnum(sdc_no);
if (dev_num < 0)
continue;
mmc = find_mmc_device(dev_num);
if (mmc != NULL)
break;
}
if (mmc == NULL) {
MMCINFO("mmc device not ready, so not exit\n");
return 0;
#endif
}
}
uhs_en = supports_uhs(mmc->cfg->host_caps);
MMCINFO("mmc exit start\n");
#if 0