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Revert "nvme: Fix error in nvme_setup_prps"

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Dependent commit has unaddressed review comments.

This reverts commit c4eef59faa.

Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Tom Rini 2021-11-18 20:18:22 -05:00
parent 7a9b768147
commit 8e2a782af3
1 changed files with 4 additions and 5 deletions
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9
drivers/nvme/nvme.c
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@ -100,7 +100,7 @@ static int nvme_setup_prps(struct nvme_dev *dev, u64 *prp2,
}
nprps = DIV_ROUND_UP(length, page_size);
num_pages = DIV_ROUND_UP(nprps + 1, prps_per_page);
num_pages = DIV_ROUND_UP(nprps, prps_per_page);
if (nprps > dev->prp_entry_num) {
free(dev->prp_pool);
@ -119,11 +119,10 @@ static int nvme_setup_prps(struct nvme_dev *dev, u64 *prp2,
prp_pool = dev->prp_pool;
i = 0;
while (nprps) {
if (i == prps_per_page) {
*(prp_pool + i) = *(prp_pool + i - 1);
*(prp_pool + i - 1) = cpu_to_le64((ulong)prp_pool +
if (i == ((page_size >> 3) - 1)) {
*(prp_pool + i) = cpu_to_le64((ulong)prp_pool +
page_size);
i = 1;
i = 0;
prp_pool += page_size;
}
*(prp_pool + i++) = cpu_to_le64(dma_addr);