Hi, Yes, right. "include/uapi/linux/mmc/ioctl.h" -----Original Message----- From: linux-mmc-owner@xxxxxxxxxxxxxxx [mailto:linux-mmc-owner@xxxxxxxxxxxxxxx] On Behalf Of Jaehoon Chung Sent: Tuesday, October 18, 2016 7:52 PM To: Jeremy Kim; ulf.hansson@xxxxxxxxxx; linux-mmc@xxxxxxxxxxxxxxx Subject: Re: [PATCH] mmc: block: Change MMC_IOC_MAX_BYTES Hi, On 10/18/2016 07:39 PM, Jeremy Kim wrote: > > 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@xxxxxxxxxxx> > --- > ioctl.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Where is ioctl.h? "include/uapi/linux/mmc/ioctl.h"? Best Regards, Jaehoon Chung > > diff --git a/ioctl.h b/ioctl.h > index 7e385b8..700a551 100644 > --- a/ioctl.h > +++ b/ioctl.h > @@ -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 */ > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" > in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo > info at http://vger.kernel.org/majordomo-info.html > > > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
