mmc: block: Change MMC_IOC_MAX_BYTES

It is used for limitation of buffer size during IOCTL such as FFU. However, eMMC FW size is bigger than (512L*256). (For instance, currently, Samsung eMMC FW size is over 300KB.) So, it needs to increase to execute FFU.

Jeonghan Kim committed 10 years ago

Commit 417b1bf1 parent d9943c61 file · +1 −1Browse files

Showing the changes to include/uapi/linux (1 of 1 file). Show all

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include/uapi/linux/mmc/ioctl.h+1−1

@@ -69,6 +69,6 @@ struct mmc_ioc_multi_cmd { · 68 unmodified lines
69	69	* is enforced per ioctl call. For larger data transfers, use the normal
70	70	* block device operations.
71	71	*/
72		−#define MMC_IOC_MAX_BYTES (512L * 256)
	72	+#define MMC_IOC_MAX_BYTES (512L * 1024)
73	73	#define MMC_IOC_MAX_CMDS 255
74	74	#endif /* LINUX_MMC_IOCTL_H */