On Mon, Dec 10, 2018 at 01:19:08PM +0100, Simon Horman wrote: > On Fri, Nov 30, 2018 at 01:54:47PM +0100, Wolfram Sang wrote: > > The JEDEC standard is confusing. The number of max blocks for reading > > RPMB is determined by CMD23 which can hold an unsigned int and not only > > u16. It is true that the current maximum is 64K of blocks, yet this may > > be extended in the future. Let's not apply a limit here which should be > > checked by the card. > > > > Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > > I am a little confused. What is the width of an unsigned int? > If 4 bytes, would using uint32_t make this clearer? Nope, because in struct mmc_ioc_cmd (used for the ioctl), the 'blocks' variable which this value ultimately ends up in, is also unsigned int.
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