forked from Minki/linux
lightnvm: pass dma address to hardware rather than pointer
A recent change to lightnvm added code to pass a kernel pointer to the hardware, which gcc complained about: drivers/nvme/host/lightnvm.c: In function 'nvme_nvm_rqtocmd': drivers/nvme/host/lightnvm.c:472:32: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] c->ph_rw.metadata = cpu_to_le64(rqd->meta_list); It looks like this has no way of working anyway, so this changes the code to pass the dma_address instead. This was most likely what was intended here. Neither of the two are currently ever written to, so the effect is the same for now. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: a34b1eb78e21 ("lightnvm: enable metadata to be sent to device") Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@fb.com>
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@ -469,7 +469,7 @@ static inline void nvme_nvm_rqtocmd(struct request *rq, struct nvm_rq *rqd,
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c->ph_rw.opcode = rqd->opcode;
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c->ph_rw.nsid = cpu_to_le32(ns->ns_id);
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c->ph_rw.spba = cpu_to_le64(rqd->ppa_addr.ppa);
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c->ph_rw.metadata = cpu_to_le64(rqd->meta_list);
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c->ph_rw.metadata = cpu_to_le64(rqd->dma_meta_list);
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c->ph_rw.control = cpu_to_le16(rqd->flags);
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c->ph_rw.length = cpu_to_le16(rqd->nr_pages - 1);
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