ppa/fm/qe: use block layer in ppa/fm/qe driver

At present the MMC subsystem maintains its own list of MMC devices.
This cannot work with driver model when CONFIG_BLK is enabled, use
blk_dread to replace previous mmc read interface, use
mmc_get_blk_desc to get the mmc device property.

Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
[York S: reformatted commit message]
Reviewed-by: York Sun <york.sun@nxp.com>

arch/arm/cpu/armv8/fsl-layerscape/ppa.c

@@ -99,7 +99,7 @@ int ppa_init(void)
 	cnt = DIV_ROUND_UP(fdt_header_len, 512);
 	debug("%s: MMC read PPA FIT header: dev # %u, block # %u, count %u\n",
 	      __func__, dev, blk, cnt);
-	ret = mmc->block_dev.block_read(&mmc->block_dev, blk, cnt, fitp);
+	ret = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, fitp);
 	if (ret != cnt) {
 		free(fitp);
 		printf("MMC/SD read of PPA FIT header at offset 0x%x failed\n",
@@ -123,7 +123,7 @@ int ppa_init(void)
 
 	blk = CONFIG_SYS_LS_PPA_ESBC_ADDR >> 9;
 	cnt = DIV_ROUND_UP(CONFIG_LS_PPA_ESBC_HDR_SIZE, 512);
-	ret = mmc->block_dev.block_read(&mmc->block_dev, blk, cnt, ppa_hdr_ddr);
+	ret = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, ppa_hdr_ddr);
 	if (ret != cnt) {
 		free(ppa_hdr_ddr);
 		printf("MMC/SD read of PPA header failed\n");
@@ -149,8 +149,7 @@ int ppa_init(void)
 	cnt = DIV_ROUND_UP(fw_length, 512);
 	debug("%s: MMC read PPA FIT image: dev # %u, block # %u, count %u\n",
 	      __func__, dev, blk, cnt);
-	ret = mmc->block_dev.block_read(&mmc->block_dev,
-					blk, cnt, ppa_fit_addr);
+	ret = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, ppa_fit_addr);
 	if (ret != cnt) {
 		free(ppa_fit_addr);
 		printf("MMC/SD read of PPA FIT header at offset 0x%x failed\n",

drivers/net/fm/fm.c

@@ -402,7 +402,7 @@ int fm_init_common(int index, struct ccsr_fman *reg)
 		printf("\nMMC read: dev # %u, block # %u, count %u ...\n",
 				dev, blk, cnt);
 		mmc_init(mmc);
-		(void)mmc->block_dev.block_read(&mmc->block_dev, blk, cnt,
+		(void)blk_dread(mmc_get_blk_desc(mmc), blk, cnt,
 						addr);
 	}
 #elif defined(CONFIG_SYS_QE_FMAN_FW_IN_REMOTE)

drivers/qe/qe.c

@@ -218,7 +218,7 @@ void u_qe_init(void)
 		printf("\nMMC read: dev # %u, block # %u, count %u ...\n",
 		       dev, blk, cnt);
 		mmc_init(mmc);
-		(void)mmc->block_dev.block_read(&mmc->block_dev, blk, cnt,
+		(void)blk_dread(mmc_get_blk_desc(mmc), blk, cnt,
 						addr);
 	}
 #endif