sysmo-bts
/
u-boot
9
0
Fork 0
Code Pull Requests Releases Activity

mmc: Probe DM based mmc devices in u-boot 

During mmc initialize probe all devices with the MMC Uclass if build
with CONFIG_DM_MMC

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Sjoerd Simons 2015-08-30 16:55:45 -06:00 committed by Simon Glass
parent f2b3017c8e
commit 8e3332e223
1 changed files with 39 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/mmc/mmc.c
View File

@ -10,6 +10,8 @@
#include <config.h>
#include <common.h>
#include <command.h>
#include <dm.h>
#include <dm/device-internal.h>
#include <errno.h>
#include <mmc.h>
#include <part.h>
@ -1759,10 +1761,44 @@ static void do_preinit(void)
}
}
#if defined(CONFIG_DM_MMC) && defined(CONFIG_SPL_BUILD)
static int mmc_probe(bd_t *bis)
{
return 0;
}
#elif defined(CONFIG_DM_MMC)
static int mmc_probe(bd_t *bis)
{
int ret;
struct uclass *uc;
struct udevice *m;
ret = uclass_get(UCLASS_MMC, &uc);
if (ret)
return ret;
uclass_foreach_dev(m, uc) {
ret = device_probe(m);
if (ret)
printf("%s - probe failed: %d\n", m->name, ret);
}
return 0;
}
#else
static int mmc_probe(bd_t *bis)
{
if (board_mmc_init(bis) < 0)
cpu_mmc_init(bis);
return 0;
}
#endif
int mmc_initialize(bd_t *bis)
{
static int initialized = 0;
int ret;
if (initialized) /* Avoid initializing mmc multiple times */
return 0;
initialized = 1;
@ -1770,10 +1806,9 @@ int mmc_initialize(bd_t *bis)
INIT_LIST_HEAD (&mmc_devices);
cur_dev_num = 0;
#ifndef CONFIG_DM_MMC
if (board_mmc_init(bis) < 0)
cpu_mmc_init(bis);
#endif
ret = mmc_probe(bis);
if (ret)
return ret;
#ifndef CONFIG_SPL_BUILD
print_mmc_devices(',');