From 8e3332e223f2d98024cc54c0dfce69d52cf090cd Mon Sep 17 00:00:00 2001
From: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Date: Sun, 30 Aug 2015 16:55:45 -0600
Subject: [PATCH] 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>
---
drivers/mmc/mmc.c | 43 +++++++++++++++++++++++++++++++++++++++----
1 file changed, 39 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index f12546ac51..371c1ec212 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -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(',');
--
2.39.5