[fastboot] Refine erase-block-size and logical-block-size command

This patch did:
1.Correct the 'erase-block-size' to actual value.
2.Refine the code to get 'logical-block-size'

Bug: 68394448

Change-Id: I3c13eab92d875c8faa2f468662d61d142cca3225
Signed-off-by: ji.luo <ji.luo@nxp.com>

diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index a1da88d..d14c4a8 100755 (executable)
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c
@@ -2291,8 +2291,9 @@ static int get_single_var(char *cmd, char *response)
        char *str = cmd;
        size_t chars_left;
        const char *s;
-       int mmc_no = 0;
-       struct blk_desc *dev_desc;
+       struct mmc *mmc;
+       int mmc_dev_no;
+       int blksz;
 
        chars_left = FASTBOOT_RESPONSE_LEN - strlen(response) - 1;
 
@@ -2336,13 +2337,14 @@ static int get_single_var(char *cmd, char *response)
 
                snprintf(response + strlen(response), chars_left, "0x%x", CONFIG_FASTBOOT_BUF_SIZE);
        } else if (!strcmp_l1("erase-block-size", cmd)) {
-               mmc_no = fastboot_devinfo.dev_id;
-               dev_desc = blk_get_dev("mmc", mmc_no);
-               snprintf(response + strlen(response), chars_left, "0x%x", (unsigned int)dev_desc->blksz);
+               mmc_dev_no = mmc_get_env_dev();
+               mmc = find_mmc_device(mmc_dev_no);
+               blksz = get_block_size();
+               snprintf(response + strlen(response), chars_left, "0x%x",
+                               (blksz * mmc->erase_grp_size));
        } else if (!strcmp_l1("logical-block-size", cmd)) {
-               mmc_no = fastboot_devinfo.dev_id;
-               dev_desc = blk_get_dev("mmc", mmc_no);
-               snprintf(response + strlen(response), chars_left, "0x%x", (unsigned int)dev_desc->blksz);
+               blksz = get_block_size();
+               snprintf(response + strlen(response), chars_left, "0x%x", blksz);
        } else if (!strcmp_l1("serialno", cmd)) {
                s = get_serial();
                if (s)