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mmc: block: Change MMC_IOC_MAX_BYTES

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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.

Signed-off-by: Jeonghan Kim <jh4u.kim@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Jeonghan Kim 2016-10-19 19:48:02 +09:00 committed by Ulf Hansson
parent d9943c6830
commit 417b1bf836
1 changed files with 1 additions and 1 deletions
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2
include/uapi/linux/mmc/ioctl.h
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@ -69,6 +69,6 @@ struct mmc_ioc_multi_cmd {
* is enforced per ioctl call. For larger data transfers, use the normal
* block device operations.
*/
#define MMC_IOC_MAX_BYTES (512L * 256)
#define MMC_IOC_MAX_BYTES (512L * 1024)
#define MMC_IOC_MAX_CMDS 255
#endif /* LINUX_MMC_IOCTL_H */