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>

diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index 9e6a26fe62a26bbc53e4ebc0f074d2abd15cd704..6741ebee3bca1b42344e37398ef74d991ba02131 100644 (file)
--- 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;