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sdio: fix unsound MaybeUninit usage

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Astro 2020-06-10 16:46:22 +02:00 committed by Gitea
parent 316ea61702
commit 074b3547de
1 changed files with 5 additions and 3 deletions
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8
libboard_zynq/src/sdio/adma.rs
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@ -22,16 +22,18 @@ register_bit!(desc32_attribute, int, 2);
register_bit!(desc32_attribute, end, 1);
register_bit!(desc32_attribute, valid, 0);
pub struct Adma2DescTable(MaybeUninit<[Adma2Desc32; 32]>);
pub struct Adma2DescTable([Adma2Desc32; 32]);
impl Adma2DescTable {
pub fn new() -> Self {
Adma2DescTable(MaybeUninit::uninit())
let table = MaybeUninit::zeroed();
let table = unsafe { table.assume_init() };
Adma2DescTable(table)
}
/// Initialize the table and setup `adma_system_address`
pub fn setup(&mut self, sdio: &mut SDIO, blk_cnt: u32, buffer: &[u8]) {
let descr_table = unsafe { &mut *self.0.as_mut_ptr() };
let descr_table = &mut self.0;
let blk_size = sdio
.regs
.block_size_block_count