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hw/block/nvme: remove redundant zeroing of PMR registers

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The controller registers are initially zero. Remove the redundant
zeroing.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This commit is contained in:
Klaus Jensen 2020-12-18 13:03:09 +01:00
parent 8e9e8b4821
commit b78b9bb0ee
1 changed files with 0 additions and 34 deletions
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34
hw/block/nvme.c
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@ -4217,43 +4217,9 @@ static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev)
static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev)
{
/* PMR Capabities register */
n->bar.pmrcap = 0;
NVME_PMRCAP_SET_RDS(n->bar.pmrcap, 0);
NVME_PMRCAP_SET_WDS(n->bar.pmrcap, 0);
NVME_PMRCAP_SET_BIR(n->bar.pmrcap, NVME_PMR_BIR);
NVME_PMRCAP_SET_PMRTU(n->bar.pmrcap, 0);
/* Turn on bit 1 support */
NVME_PMRCAP_SET_PMRWBM(n->bar.pmrcap, 0x02);
NVME_PMRCAP_SET_PMRTO(n->bar.pmrcap, 0);
NVME_PMRCAP_SET_CMSS(n->bar.pmrcap, 0);
/* PMR Control register */
n->bar.pmrctl = 0;
NVME_PMRCTL_SET_EN(n->bar.pmrctl, 0);
/* PMR Status register */
n->bar.pmrsts = 0;
NVME_PMRSTS_SET_ERR(n->bar.pmrsts, 0);
NVME_PMRSTS_SET_NRDY(n->bar.pmrsts, 0);
NVME_PMRSTS_SET_HSTS(n->bar.pmrsts, 0);
NVME_PMRSTS_SET_CBAI(n->bar.pmrsts, 0);
/* PMR Elasticity Buffer Size register */
n->bar.pmrebs = 0;
NVME_PMREBS_SET_PMRSZU(n->bar.pmrebs, 0);
NVME_PMREBS_SET_RBB(n->bar.pmrebs, 0);
NVME_PMREBS_SET_PMRWBZ(n->bar.pmrebs, 0);
/* PMR Sustained Write Throughput register */
n->bar.pmrswtp = 0;
NVME_PMRSWTP_SET_PMRSWTU(n->bar.pmrswtp, 0);
NVME_PMRSWTP_SET_PMRSWTV(n->bar.pmrswtp, 0);
/* PMR Memory Space Control register */
n->bar.pmrmsc = 0;
NVME_PMRMSC_SET_CMSE(n->bar.pmrmsc, 0);
NVME_PMRMSC_SET_CBA(n->bar.pmrmsc, 0);
pci_register_bar(pci_dev, NVME_PMRCAP_BIR(n->bar.pmrcap),
PCI_BASE_ADDRESS_SPACE_MEMORY |