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| author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
| commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
| tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/ihex.h | |
| parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
| download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip | |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/ihex.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/ihex.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/ANDROID_3.4.5/include/linux/ihex.h b/ANDROID_3.4.5/include/linux/ihex.h deleted file mode 100644 index 31d8629e..00000000 --- a/ANDROID_3.4.5/include/linux/ihex.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Compact binary representation of ihex records. Some devices need their - * firmware loaded in strange orders rather than a single big blob, but - * actually parsing ihex-as-text within the kernel seems silly. Thus,... - */ - -#ifndef __LINUX_IHEX_H__ -#define __LINUX_IHEX_H__ - -#include <linux/types.h> -#include <linux/firmware.h> -#include <linux/device.h> - -/* Intel HEX files actually limit the length to 256 bytes, but we have - drivers which would benefit from using separate records which are - longer than that, so we extend to 16 bits of length */ -struct ihex_binrec { - __be32 addr; - __be16 len; - uint8_t data[0]; -} __attribute__((packed)); - -/* Find the next record, taking into account the 4-byte alignment */ -static inline const struct ihex_binrec * -ihex_next_binrec(const struct ihex_binrec *rec) -{ - int next = ((be16_to_cpu(rec->len) + 5) & ~3) - 2; - rec = (void *)&rec->data[next]; - - return be16_to_cpu(rec->len) ? rec : NULL; -} - -/* Check that ihex_next_binrec() won't take us off the end of the image... */ -static inline int ihex_validate_fw(const struct firmware *fw) -{ - const struct ihex_binrec *rec; - size_t ofs = 0; - - while (ofs <= fw->size - sizeof(*rec)) { - rec = (void *)&fw->data[ofs]; - - /* Zero length marks end of records */ - if (!be16_to_cpu(rec->len)) - return 0; - - /* Point to next record... */ - ofs += (sizeof(*rec) + be16_to_cpu(rec->len) + 3) & ~3; - } - return -EINVAL; -} - -/* Request firmware and validate it so that we can trust we won't - * run off the end while reading records... */ -static inline int request_ihex_firmware(const struct firmware **fw, - const char *fw_name, - struct device *dev) -{ - const struct firmware *lfw; - int ret; - - ret = request_firmware(&lfw, fw_name, dev); - if (ret) - return ret; - ret = ihex_validate_fw(lfw); - if (ret) { - dev_err(dev, "Firmware \"%s\" not valid IHEX records\n", - fw_name); - release_firmware(lfw); - return ret; - } - *fw = lfw; - return 0; -} -#endif /* __LINUX_IHEX_H__ */ |