[U-Boot] [RFC PATCH v1 1/5] dfu: Refactor fastboot_okay/fail to take response

Lukasz Majewski lukma at denx.de
Wed Apr 25 07:27:48 UTC 2018


Hi Alex,

Please change the subject prefix - i.e. dfu: is a totally different
code.

Maybe fastboot would be more appropriate?

> Add the response string as a parameter to fastboot_okay/fail, instead
> of modifying a global, to match the contract expected by the AOSP
> U-Boot code.

I suppose that this change is to make the u-boot mainline code matching
the current Android?

> 
> Signed-off-by: Alex Kiernan <alex.kiernan at gmail.com>
> ---
> 
>  common/fb_mmc.c                 | 80
> ++++++++++++++++++++++-------------------
> common/fb_nand.c                | 31 ++++++++--------
> common/image-sparse.c           | 41 +++++++++++----------
> drivers/usb/gadget/f_fastboot.c | 35 +++++++-----------
> include/fastboot.h              |  4 +--
> include/fb_mmc.h                |  4 +--
> include/fb_nand.h               |  4 +--
> include/image-sparse.h          |  2 +- 8 files changed, 100
> insertions(+), 101 deletions(-)
> 
> diff --git a/common/fb_mmc.c b/common/fb_mmc.c
> index cf5b77c..02864aa 100644
> --- a/common/fb_mmc.c
> +++ b/common/fb_mmc.c
> @@ -74,7 +74,7 @@ static lbaint_t fb_mmc_sparse_reserve(struct
> sparse_storage *info, 
>  static void write_raw_image(struct blk_desc *dev_desc,
> disk_partition_t *info, const char *part_name, void *buffer,
> -		unsigned int download_bytes)
> +		unsigned int download_bytes, char *response)
>  {
>  	lbaint_t blkcnt;
>  	lbaint_t blks;
> @@ -85,7 +85,7 @@ static void write_raw_image(struct blk_desc
> *dev_desc, disk_partition_t *info, 
>  	if (blkcnt > info->size) {
>  		pr_err("too large for partition: '%s'\n", part_name);
> -		fastboot_fail("too large for partition");
> +		fastboot_fail("too large for partition", response);
>  		return;
>  	}
>  
> @@ -94,13 +94,13 @@ static void write_raw_image(struct blk_desc
> *dev_desc, disk_partition_t *info, blks = blk_dwrite(dev_desc,
> info->start, blkcnt, buffer); if (blks != blkcnt) {
>  		pr_err("failed writing to device %d\n",
> dev_desc->devnum);
> -		fastboot_fail("failed writing to device");
> +		fastboot_fail("failed writing to device", response);
>  		return;
>  	}
>  
>  	printf("........ wrote " LBAFU " bytes to '%s'\n", blkcnt *
> info->blksz, part_name);
> -	fastboot_okay("");
> +	fastboot_okay("", response);
>  }
>  
>  #ifdef CONFIG_ANDROID_BOOT_IMAGE
> @@ -115,7 +115,8 @@ static void write_raw_image(struct blk_desc
> *dev_desc, disk_partition_t *info, */
>  static lbaint_t fb_mmc_get_boot_header(struct blk_desc *dev_desc,
>  				       disk_partition_t *info,
> -				       struct andr_img_hdr *hdr)
> +				       struct andr_img_hdr *hdr,
> +				       char *response)
>  {
>  	ulong sector_size;		/* boot partition sector
> size */ lbaint_t hdr_sectors;		/* boot image header
> sectors count */ @@ -126,7 +127,7 @@ static lbaint_t
> fb_mmc_get_boot_header(struct blk_desc *dev_desc, hdr_sectors =
> DIV_ROUND_UP(sizeof(struct andr_img_hdr), sector_size); if
> (hdr_sectors == 0) { pr_err("invalid number of boot sectors: 0");
> -		fastboot_fail("invalid number of boot sectors: 0");
> +		fastboot_fail("invalid number of boot sectors: 0",
> response); return 0;
>  	}
>  
> @@ -134,7 +135,8 @@ static lbaint_t fb_mmc_get_boot_header(struct
> blk_desc *dev_desc, res = blk_dread(dev_desc, info->start,
> hdr_sectors, (void *)hdr); if (res != hdr_sectors) {
>  		pr_err("cannot read header from boot partition");
> -		fastboot_fail("cannot read header from boot
> partition");
> +		fastboot_fail("cannot read header from boot
> partition",
> +			      response);
>  		return 0;
>  	}
>  
> @@ -142,7 +144,7 @@ static lbaint_t fb_mmc_get_boot_header(struct
> blk_desc *dev_desc, res = android_image_check_header(hdr);
>  	if (res != 0) {
>  		pr_err("bad boot image magic");
> -		fastboot_fail("boot partition not initialized");
> +		fastboot_fail("boot partition not initialized",
> response); return 0;
>  	}
>  
> @@ -160,7 +162,8 @@ static lbaint_t fb_mmc_get_boot_header(struct
> blk_desc *dev_desc, */
>  static int fb_mmc_update_zimage(struct blk_desc *dev_desc,
>  				void *download_buffer,
> -				unsigned int download_bytes)
> +				unsigned int download_bytes,
> +				char *response)
>  {
>  	uintptr_t hdr_addr;			/* boot image
> header address */ struct andr_img_hdr *hdr;		/* boot
> image header */ @@ -180,7 +183,7 @@ static int
> fb_mmc_update_zimage(struct blk_desc *dev_desc, res =
> part_get_info_by_name(dev_desc, BOOT_PARTITION_NAME, &info); if (res
> < 0) { pr_err("cannot find boot partition");
> -		fastboot_fail("cannot find boot partition");
> +		fastboot_fail("cannot find boot partition",
> response); return -1;
>  	}
>  
> @@ -189,17 +192,18 @@ static int fb_mmc_update_zimage(struct blk_desc
> *dev_desc, hdr = (struct andr_img_hdr *)hdr_addr;
>  
>  	/* Read boot image header */
> -	hdr_sectors = fb_mmc_get_boot_header(dev_desc, &info, hdr);
> +	hdr_sectors = fb_mmc_get_boot_header(dev_desc, &info, hdr,
> response); if (hdr_sectors == 0) {
>  		pr_err("unable to read boot image header");
> -		fastboot_fail("unable to read boot image header");
> +		fastboot_fail("unable to read boot image header",
> response); return -1;
>  	}
>  
>  	/* Check if boot image has second stage in it (we don't
> support it) */ if (hdr->second_size > 0) {
>  		pr_err("moving second stage is not supported yet");
> -		fastboot_fail("moving second stage is not supported
> yet");
> +		fastboot_fail("moving second stage is not supported
> yet",
> +			      response);
>  		return -1;
>  	}
>  
> @@ -217,7 +221,8 @@ static int fb_mmc_update_zimage(struct blk_desc
> *dev_desc, ramdisk_buffer);
>  	if (res != ramdisk_sectors) {
>  		pr_err("cannot read ramdisk from boot partition");
> -		fastboot_fail("cannot read ramdisk from boot
> partition");
> +		fastboot_fail("cannot read ramdisk from boot
> partition",
> +			      response);
>  		return -1;
>  	}
>  
> @@ -226,7 +231,7 @@ static int fb_mmc_update_zimage(struct blk_desc
> *dev_desc, res = blk_dwrite(dev_desc, info.start, hdr_sectors, (void
> *)hdr); if (res == 0) {
>  		pr_err("cannot writeback boot image header");
> -		fastboot_fail("cannot write back boot image header");
> +		fastboot_fail("cannot write back boot image header",
> response); return -1;
>  	}
>  
> @@ -238,7 +243,7 @@ static int fb_mmc_update_zimage(struct blk_desc
> *dev_desc, download_buffer);
>  	if (res == 0) {
>  		pr_err("cannot write new kernel");
> -		fastboot_fail("cannot write new kernel");
> +		fastboot_fail("cannot write new kernel", response);
>  		return -1;
>  	}
>  
> @@ -250,18 +255,18 @@ static int fb_mmc_update_zimage(struct blk_desc
> *dev_desc, ramdisk_buffer);
>  	if (res == 0) {
>  		pr_err("cannot write back original ramdisk");
> -		fastboot_fail("cannot write back original ramdisk");
> +		fastboot_fail("cannot write back original ramdisk",
> response); return -1;
>  	}
>  
>  	puts("........ zImage was updated in boot partition\n");
> -	fastboot_okay("");
> +	fastboot_okay("", response);
>  	return 0;
>  }
>  #endif
>  
>  void fb_mmc_flash_write(const char *cmd, void *download_buffer,
> -			unsigned int download_bytes)
> +			unsigned int download_bytes, char *response)
>  {
>  	struct blk_desc *dev_desc;
>  	disk_partition_t info;
> @@ -269,7 +274,7 @@ void fb_mmc_flash_write(const char *cmd, void
> *download_buffer, dev_desc = blk_get_dev("mmc",
> CONFIG_FASTBOOT_FLASH_MMC_DEV); if (!dev_desc || dev_desc->type ==
> DEV_TYPE_UNKNOWN) { pr_err("invalid mmc device\n");
> -		fastboot_fail("invalid mmc device");
> +		fastboot_fail("invalid mmc device", response);
>  		return;
>  	}
>  
> @@ -280,16 +285,17 @@ void fb_mmc_flash_write(const char *cmd, void
> *download_buffer, if (is_valid_gpt_buf(dev_desc, download_buffer)) {
>  			printf("%s: invalid GPT - refusing to write
> to flash\n", __func__);
> -			fastboot_fail("invalid GPT partition");
> +			fastboot_fail("invalid GPT partition",
> response); return;
>  		}
>  		if (write_mbr_and_gpt_partitions(dev_desc,
> download_buffer)) { printf("%s: writing GPT partitions failed\n",
> __func__);
> -			fastboot_fail("writing GPT partitions
> failed");
> +			fastboot_fail("writing GPT partitions
> failed",
> +				      response);
>  			return;
>  		}
>  		printf("........ success\n");
> -		fastboot_okay("");
> +		fastboot_okay("", response);
>  		return;
>  	}
>  #endif
> @@ -300,30 +306,32 @@ void fb_mmc_flash_write(const char *cmd, void
> *download_buffer, if (is_valid_dos_buf(download_buffer)) {
>  			printf("%s: invalid MBR - refusing to write
> to flash\n", __func__);
> -			fastboot_fail("invalid MBR partition");
> +			fastboot_fail("invalid MBR partition",
> response); return;
>  		}
>  		if (write_mbr_partition(dev_desc, download_buffer)) {
>  			printf("%s: writing MBR partition failed\n",
> __func__);
> -			fastboot_fail("writing MBR partition
> failed");
> +			fastboot_fail("writing MBR partition failed",
> +				      response);
>  			return;
>  		}
>  		printf("........ success\n");
> -		fastboot_okay("");
> +		fastboot_okay("", response);
>  		return;
>  	}
>  #endif
>  
>  #ifdef CONFIG_ANDROID_BOOT_IMAGE
>  	if (strncasecmp(cmd, "zimage", 6) == 0) {
> -		fb_mmc_update_zimage(dev_desc, download_buffer,
> download_bytes);
> +		fb_mmc_update_zimage(dev_desc, download_buffer,
> +				     download_bytes, response);
>  		return;
>  	}
>  #endif
>  
>  	if (part_get_info_by_name_or_alias(dev_desc, cmd, &info) <
> 0) { pr_err("cannot find partition: '%s'\n", cmd);
> -		fastboot_fail("cannot find partition");
> +		fastboot_fail("cannot find partition", response);
>  		return;
>  	}
>  
> @@ -344,14 +352,14 @@ void fb_mmc_flash_write(const char *cmd, void
> *download_buffer, 
>  		sparse.priv = &sparse_priv;
>  		write_sparse_image(&sparse, cmd, download_buffer,
> -				   download_bytes);
> +				   download_bytes, response);
>  	} else {
>  		write_raw_image(dev_desc, &info, cmd,
> download_buffer,
> -				download_bytes);
> +				download_bytes, response);
>  	}
>  }
>  
> -void fb_mmc_erase(const char *cmd)
> +void fb_mmc_erase(const char *cmd, char *response)
>  {
>  	int ret;
>  	struct blk_desc *dev_desc;
> @@ -361,21 +369,21 @@ void fb_mmc_erase(const char *cmd)
>  
>  	if (mmc == NULL) {
>  		pr_err("invalid mmc device");
> -		fastboot_fail("invalid mmc device");
> +		fastboot_fail("invalid mmc device", response);
>  		return;
>  	}
>  
>  	dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
>  	if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
>  		pr_err("invalid mmc device");
> -		fastboot_fail("invalid mmc device");
> +		fastboot_fail("invalid mmc device", response);
>  		return;
>  	}
>  
>  	ret = part_get_info_by_name_or_alias(dev_desc, cmd, &info);
>  	if (ret < 0) {
>  		pr_err("cannot find partition: '%s'", cmd);
> -		fastboot_fail("cannot find partition");
> +		fastboot_fail("cannot find partition", response);
>  		return;
>  	}
>  
> @@ -394,11 +402,11 @@ void fb_mmc_erase(const char *cmd)
>  	blks = blk_derase(dev_desc, blks_start, blks_size);
>  	if (blks != blks_size) {
>  		pr_err("failed erasing from device %d",
> dev_desc->devnum);
> -		fastboot_fail("failed erasing from device");
> +		fastboot_fail("failed erasing from device",
> response); return;
>  	}
>  
>  	printf("........ erased " LBAFU " bytes from '%s'\n",
>  	       blks_size * info.blksz, cmd);
> -	fastboot_okay("");
> +	fastboot_okay("", response);
>  }
> diff --git a/common/fb_nand.c b/common/fb_nand.c
> index aa28046..3a0b101 100644
> --- a/common/fb_nand.c
> +++ b/common/fb_nand.c
> @@ -32,7 +32,8 @@ __weak int
> board_fastboot_write_partition_setup(char *name) 
>  static int fb_nand_lookup(const char *partname,
>  			  struct mtd_info **mtd,
> -			  struct part_info **part)
> +			  struct part_info **part,
> +			  char *response)
>  {
>  	struct mtd_device *dev;
>  	int ret;
> @@ -41,21 +42,21 @@ static int fb_nand_lookup(const char *partname,
>  	ret = mtdparts_init();
>  	if (ret) {
>  		pr_err("Cannot initialize MTD partitions\n");
> -		fastboot_fail("cannot init mtdparts");
> +		fastboot_fail("cannot init mtdparts", response);
>  		return ret;
>  	}
>  
>  	ret = find_dev_and_part(partname, &dev, &pnum, part);
>  	if (ret) {
>  		pr_err("cannot find partition: '%s'", partname);
> -		fastboot_fail("cannot find partition");
> +		fastboot_fail("cannot find partition", response);
>  		return ret;
>  	}
>  
>  	if (dev->id->type != MTD_DEV_TYPE_NAND) {
>  		pr_err("partition '%s' is not stored on a NAND
> device", partname);
> -		fastboot_fail("not a NAND device");
> +		fastboot_fail("not a NAND device", response);
>  		return -EINVAL;
>  	}
>  
> @@ -146,16 +147,16 @@ static lbaint_t fb_nand_sparse_reserve(struct
> sparse_storage *info, }
>  
>  void fb_nand_flash_write(const char *cmd, void *download_buffer,
> -			 unsigned int download_bytes)
> +			 unsigned int download_bytes, char *response)
>  {
>  	struct part_info *part;
>  	struct mtd_info *mtd = NULL;
>  	int ret;
>  
> -	ret = fb_nand_lookup(cmd, &mtd, &part);
> +	ret = fb_nand_lookup(cmd, &mtd, &part, response);
>  	if (ret) {
>  		pr_err("invalid NAND device");
> -		fastboot_fail("invalid NAND device");
> +		fastboot_fail("invalid NAND device", response);
>  		return;
>  	}
>  
> @@ -181,7 +182,7 @@ void fb_nand_flash_write(const char *cmd, void
> *download_buffer, 
>  		sparse.priv = &sparse_priv;
>  		write_sparse_image(&sparse, cmd, download_buffer,
> -				   download_bytes);
> +				   download_bytes, response);
>  	} else {
>  		printf("Flashing raw image at offset 0x%llx\n",
>  		       part->offset);
> @@ -194,23 +195,23 @@ void fb_nand_flash_write(const char *cmd, void
> *download_buffer, }
>  
>  	if (ret) {
> -		fastboot_fail("error writing the image");
> +		fastboot_fail("error writing the image", response);
>  		return;
>  	}
>  
> -	fastboot_okay("");
> +	fastboot_okay("", response);
>  }
>  
> -void fb_nand_erase(const char *cmd)
> +void fb_nand_erase(const char *cmd, char *response)
>  {
>  	struct part_info *part;
>  	struct mtd_info *mtd = NULL;
>  	int ret;
>  
> -	ret = fb_nand_lookup(cmd, &mtd, &part);
> +	ret = fb_nand_lookup(cmd, &mtd, &part, response);
>  	if (ret) {
>  		pr_err("invalid NAND device");
> -		fastboot_fail("invalid NAND device");
> +		fastboot_fail("invalid NAND device", response);
>  		return;
>  	}
>  
> @@ -221,9 +222,9 @@ void fb_nand_erase(const char *cmd)
>  	ret = _fb_nand_erase(mtd, part);
>  	if (ret) {
>  		pr_err("failed erasing from device %s", mtd->name);
> -		fastboot_fail("failed erasing from device");
> +		fastboot_fail("failed erasing from device",
> response); return;
>  	}
>  
> -	fastboot_okay("");
> +	fastboot_okay("", response);
>  }
> diff --git a/common/image-sparse.c b/common/image-sparse.c
> index ddf5772..616c2bd 100644
> --- a/common/image-sparse.c
> +++ b/common/image-sparse.c
> @@ -51,7 +51,7 @@
>  
>  void write_sparse_image(
>  		struct sparse_storage *info, const char *part_name,
> -		void *data, unsigned sz)
> +		void *data, unsigned int sz, char *response)
>  {
>  	lbaint_t blk;
>  	lbaint_t blkcnt;
> @@ -101,7 +101,7 @@ void write_sparse_image(
>  	if (offset) {
>  		printf("%s: Sparse image block size issue [%u]\n",
>  		       __func__, sparse_header->blk_sz);
> -		fastboot_fail("sparse image block size issue");
> +		fastboot_fail("sparse image block size issue",
> response); return;
>  	}
>  
> @@ -136,8 +136,8 @@ void write_sparse_image(
>  		case CHUNK_TYPE_RAW:
>  			if (chunk_header->total_sz !=
>  			    (sparse_header->chunk_hdr_sz +
> chunk_data_sz)) {
> -				fastboot_fail(
> -					"Bogus chunk size for chunk
> type Raw");
> +				fastboot_fail("Bogus chunk size for
> chunk type Raw",
> +					      response);
>  				return;
>  			}
>  
> @@ -145,8 +145,8 @@ void write_sparse_image(
>  				printf(
>  				    "%s: Request would exceed
> partition size!\n", __func__);
> -				fastboot_fail(
> -				    "Request would exceed partition
> size!");
> +				fastboot_fail("Request would exceed
> partition size!",
> +					      response);
>  				return;
>  			}
>  
> @@ -156,8 +156,7 @@ void write_sparse_image(
>  				printf("%s: %s" LBAFU " [" LBAFU
> "]\n", __func__, "Write failed, block #",
>  				       blk, blks);
> -				fastboot_fail(
> -					      "flash write failure");
> +				fastboot_fail("flash write failure",
> response); return;
>  			}
>  			blk += blks;
> @@ -169,8 +168,8 @@ void write_sparse_image(
>  		case CHUNK_TYPE_FILL:
>  			if (chunk_header->total_sz !=
>  			    (sparse_header->chunk_hdr_sz +
> sizeof(uint32_t))) {
> -				fastboot_fail(
> -					"Bogus chunk size for chunk
> type FILL");
> +				fastboot_fail("Bogus chunk size for
> chunk type FILL",
> +					      response);
>  				return;
>  			}
>  
> @@ -180,8 +179,8 @@ void write_sparse_image(
>  						info->blksz *
> fill_buf_num_blks, ARCH_DMA_MINALIGN));
>  			if (!fill_buf) {
> -				fastboot_fail(
> -					"Malloc failed for:
> CHUNK_TYPE_FILL");
> +				fastboot_fail("Malloc failed for:
> CHUNK_TYPE_FILL",
> +					      response);
>  				return;
>  			}
>  
> @@ -198,8 +197,8 @@ void write_sparse_image(
>  				printf(
>  				    "%s: Request would exceed
> partition size!\n", __func__);
> -				fastboot_fail(
> -				    "Request would exceed partition
> size!");
> +				fastboot_fail("Request would exceed
> partition size!",
> +					      response);
>  				return;
>  			}
>  
> @@ -214,8 +213,8 @@ void write_sparse_image(
>  					       __func__,
>  					       "Write failed, block
> #", blk, j);
> -					fastboot_fail(
> -						      "flash write
> failure");
> +					fastboot_fail("flash write
> failure",
> +						      response);
>  					free(fill_buf);
>  					return;
>  				}
> @@ -235,8 +234,8 @@ void write_sparse_image(
>  		case CHUNK_TYPE_CRC32:
>  			if (chunk_header->total_sz !=
>  			    sparse_header->chunk_hdr_sz) {
> -				fastboot_fail(
> -					"Bogus chunk size for chunk
> type Dont Care");
> +				fastboot_fail("Bogus chunk size for
> chunk type Dont Care",
> +					      response);
>  				return;
>  			}
>  			total_blocks += chunk_header->chunk_sz;
> @@ -246,7 +245,7 @@ void write_sparse_image(
>  		default:
>  			printf("%s: Unknown chunk type: %x\n",
> __func__, chunk_header->chunk_type);
> -			fastboot_fail("Unknown chunk type");
> +			fastboot_fail("Unknown chunk type",
> response); return;
>  		}
>  	}
> @@ -256,9 +255,9 @@ void write_sparse_image(
>  	printf("........ wrote %u bytes to '%s'\n", bytes_written,
> part_name); 
>  	if (total_blocks != sparse_header->total_blks)
> -		fastboot_fail("sparse image write failure");
> +		fastboot_fail("sparse image write failure",
> response); else
> -		fastboot_okay("");
> +		fastboot_okay("", response);
>  
>  	return;
>  }
> diff --git a/drivers/usb/gadget/f_fastboot.c
> b/drivers/usb/gadget/f_fastboot.c index 7acffb6..6ae1d97 100644
> --- a/drivers/usb/gadget/f_fastboot.c
> +++ b/drivers/usb/gadget/f_fastboot.c
> @@ -151,18 +151,16 @@ static void rx_handler_command(struct usb_ep
> *ep, struct usb_request *req); static int strcmp_l1(const char *s1,
> const char *s2); 
>  
> -static char *fb_response_str;
> -
> -void fastboot_fail(const char *reason)
> +void fastboot_fail(const char *reason, char *response)
>  {
> -	strncpy(fb_response_str, "FAIL\0", 5);
> -	strncat(fb_response_str, reason, FASTBOOT_RESPONSE_LEN - 4 -
> 1);
> +	strncpy(response, "FAIL\0", 5);
> +	strncat(response, reason, FASTBOOT_RESPONSE_LEN - 4 - 1);
>  }
>  
> -void fastboot_okay(const char *reason)
> +void fastboot_okay(const char *reason, char *response)
>  {
> -	strncpy(fb_response_str, "OKAY\0", 5);
> -	strncat(fb_response_str, reason, FASTBOOT_RESPONSE_LEN - 4 -
> 1);
> +	strncpy(response, "OKAY\0", 5);
> +	strncat(response, reason, FASTBOOT_RESPONSE_LEN - 4 - 1);
>  }
>  
>  static void fastboot_complete(struct usb_ep *ep, struct usb_request
> *req) @@ -598,18 +596,14 @@ static void cb_flash(struct usb_ep *ep,
> struct usb_request *req) return;
>  	}
>  
> -	/* initialize the response buffer */
> -	fb_response_str = response;
> -
> -	fastboot_fail("no flash device defined");
> +	fastboot_fail("no flash device defined", response);
>  #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
>  	fb_mmc_flash_write(cmd, (void *)CONFIG_FASTBOOT_BUF_ADDR,
> -			   download_bytes);
> +			   download_bytes, response);
>  #endif
>  #ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV
> -	fb_nand_flash_write(cmd,
> -			    (void *)CONFIG_FASTBOOT_BUF_ADDR,
> -			    download_bytes);
> +	fb_nand_flash_write(cmd, (void *)CONFIG_FASTBOOT_BUF_ADDR,
> +			    download_bytes, response);
>  #endif
>  	fastboot_tx_write_str(response);
>  }
> @@ -650,15 +644,12 @@ static void cb_erase(struct usb_ep *ep, struct
> usb_request *req) return;
>  	}
>  
> -	/* initialize the response buffer */
> -	fb_response_str = response;
> -
> -	fastboot_fail("no flash device defined");
> +	fastboot_fail("no flash device defined", response);
>  #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV
> -	fb_mmc_erase(cmd);
> +	fb_mmc_erase(cmd, response);
>  #endif
>  #ifdef CONFIG_FASTBOOT_FLASH_NAND_DEV
> -	fb_nand_erase(cmd);
> +	fb_nand_erase(cmd, response);
>  #endif
>  	fastboot_tx_write_str(response);
>  }
> diff --git a/include/fastboot.h b/include/fastboot.h
> index 616631e..f22080a 100644
> --- a/include/fastboot.h
> +++ b/include/fastboot.h
> @@ -16,7 +16,7 @@
>  /* The 64 defined bytes plus \0 */
>  #define FASTBOOT_RESPONSE_LEN	(64 + 1)
>  
> -void fastboot_fail(const char *reason);
> -void fastboot_okay(const char *reason);
> +void fastboot_fail(const char *reason, char *response);
> +void fastboot_okay(const char *reason, char *response);
>  
>  #endif /* _FASTBOOT_H_ */
> diff --git a/include/fb_mmc.h b/include/fb_mmc.h
> index 12b99cb..402ba9b 100644
> --- a/include/fb_mmc.h
> +++ b/include/fb_mmc.h
> @@ -5,5 +5,5 @@
>   */
>  
>  void fb_mmc_flash_write(const char *cmd, void *download_buffer,
> -			unsigned int download_bytes);
> -void fb_mmc_erase(const char *cmd);
> +			unsigned int download_bytes, char *response);
> +void fb_mmc_erase(const char *cmd, char *response);
> diff --git a/include/fb_nand.h b/include/fb_nand.h
> index aaf7cf7..88bdf36 100644
> --- a/include/fb_nand.h
> +++ b/include/fb_nand.h
> @@ -6,5 +6,5 @@
>   */
>  
>  void fb_nand_flash_write(const char *cmd, void *download_buffer,
> -			 unsigned int download_bytes);
> -void fb_nand_erase(const char *cmd);
> +			 unsigned int download_bytes, char
> *response); +void fb_nand_erase(const char *cmd, char *response);
> diff --git a/include/image-sparse.h b/include/image-sparse.h
> index b0cc500..02453c8 100644
> --- a/include/image-sparse.h
> +++ b/include/image-sparse.h
> @@ -37,4 +37,4 @@ static inline int is_sparse_image(void *buf)
>  }
>  
>  void write_sparse_image(struct sparse_storage *info, const char
> *part_name,
> -			void *data, unsigned sz);
> +			void *data, unsigned int sz, char *response);




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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