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authorStephen Warren <swarren@nvidia.com>2014-05-23 13:24:45 -0600
committerPantelis Antoniou <panto@antoniou-consulting.com>2014-06-12 15:21:12 +0300
commit1ae24a5041b6fab7cc986bda7fec92b3d643ac96 (patch)
treeba91c0fbf5424aa6d7d94389bd9acf8dd041223f /common/cmd_mmc.c
parentecdd57e27467593a864ca5437db45266e36e3a7b (diff)
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cmd_mmc: add force_init parameter to init_mmc_device()
This allows callers to inject mmc->has_init = 0 between finding the MMC device, and calling mmc_init(), which forces mmc_init() to rescan the HW. Future changes will use this feature. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Diffstat (limited to 'common/cmd_mmc.c')
-rw-r--r--common/cmd_mmc.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index 9e6a26f..6741ebe 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -92,7 +92,7 @@ static void print_mmcinfo(struct mmc *mmc)
printf("Bus Width: %d-bit\n", mmc->bus_width);
}
-static struct mmc *init_mmc_device(int dev)
+static struct mmc *init_mmc_device(int dev, bool force_init)
{
struct mmc *mmc;
mmc = find_mmc_device(dev);
@@ -100,6 +100,8 @@ static struct mmc *init_mmc_device(int dev)
printf("no mmc device at slot %x\n", dev);
return NULL;
}
+ if (force_init)
+ mmc->has_init = 0;
if (mmc_init(mmc))
return NULL;
return mmc;
@@ -117,7 +119,7 @@ static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
}
}
- mmc = init_mmc_device(curr_device);
+ mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -247,7 +249,7 @@ static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
return CMD_RET_SUCCESS;
- mmc = init_mmc_device(curr_device);
+ mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -292,7 +294,7 @@ static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
blk = simple_strtoul(argv[2], NULL, 16);
cnt = simple_strtoul(argv[3], NULL, 16);
- mmc = init_mmc_device(curr_device);
+ mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -320,7 +322,7 @@ static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
blk = simple_strtoul(argv[2], NULL, 16);
cnt = simple_strtoul(argv[3], NULL, 16);
- mmc = init_mmc_device(curr_device);
+ mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -348,7 +350,7 @@ static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
blk = simple_strtoul(argv[1], NULL, 16);
cnt = simple_strtoul(argv[2], NULL, 16);
- mmc = init_mmc_device(curr_device);
+ mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -387,7 +389,7 @@ static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
block_dev_desc_t *mmc_dev;
struct mmc *mmc;
- mmc = init_mmc_device(curr_device);
+ mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -422,7 +424,7 @@ static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
return CMD_RET_USAGE;
}
- mmc = init_mmc_device(dev);
+ mmc = init_mmc_device(dev, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -462,7 +464,7 @@ static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
reset = simple_strtoul(argv[3], NULL, 10);
mode = simple_strtoul(argv[4], NULL, 10);
- mmc = init_mmc_device(dev);
+ mmc = init_mmc_device(dev, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -487,7 +489,7 @@ static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
bootsize = simple_strtoul(argv[2], NULL, 10);
rpmbsize = simple_strtoul(argv[3], NULL, 10);
- mmc = init_mmc_device(dev);
+ mmc = init_mmc_device(dev, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -520,7 +522,7 @@ static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
part_num = simple_strtoul(argv[3], NULL, 10);
access = simple_strtoul(argv[4], NULL, 10);
- mmc = init_mmc_device(dev);
+ mmc = init_mmc_device(dev, false);
if (!mmc)
return CMD_RET_FAILURE;
@@ -555,7 +557,7 @@ static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
return CMD_RET_USAGE;
}
- mmc = init_mmc_device(dev);
+ mmc = init_mmc_device(dev, false);
if (!mmc)
return CMD_RET_FAILURE;