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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-18 13:52:44 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-18 13:52:44 -0700
commit936a0cd52aa5d024c583e36e2f21bf6ec2e527e4 (patch)
tree01cffc11361be7d671b71ba86463f6649b39d552 /drivers/infiniband/hw/qib/qib_init.c
parent36bf51acc89d113f101e40f40af4ab53fbf5b60a (diff)
parente26081808edadfd257c6c9d81014e3b25e9a6118 (diff)
Merge 4.1-rc4 into staging-next
We want the fixes in here for testing and merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_init.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_init.c26
1 files changed, 7 insertions, 19 deletions
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index 2ee36953e234..7e00470adc30 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -91,15 +91,6 @@ MODULE_PARM_DESC(krcvqs, "number of kernel receive queues per IB port");
unsigned qib_cc_table_size;
module_param_named(cc_table_size, qib_cc_table_size, uint, S_IRUGO);
MODULE_PARM_DESC(cc_table_size, "Congestion control table entries 0 (CCA disabled - default), min = 128, max = 1984");
-/*
- * qib_wc_pat parameter:
- * 0 is WC via MTRR
- * 1 is WC via PAT
- * If PAT initialization fails, code reverts back to MTRR
- */
-unsigned qib_wc_pat = 1; /* default (1) is to use PAT, not MTRR */
-module_param_named(wc_pat, qib_wc_pat, uint, S_IRUGO);
-MODULE_PARM_DESC(wc_pat, "enable write-combining via PAT mechanism");
static void verify_interrupt(unsigned long);
@@ -1377,8 +1368,7 @@ static void cleanup_device_data(struct qib_devdata *dd)
spin_unlock(&dd->pport[pidx].cc_shadow_lock);
}
- if (!qib_wc_pat)
- qib_disable_wc(dd);
+ qib_disable_wc(dd);
if (dd->pioavailregs_dma) {
dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
@@ -1547,14 +1537,12 @@ static int qib_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
goto bail;
}
- if (!qib_wc_pat) {
- ret = qib_enable_wc(dd);
- if (ret) {
- qib_dev_err(dd,
- "Write combining not enabled (err %d): performance may be poor\n",
- -ret);
- ret = 0;
- }
+ ret = qib_enable_wc(dd);
+ if (ret) {
+ qib_dev_err(dd,
+ "Write combining not enabled (err %d): performance may be poor\n",
+ -ret);
+ ret = 0;
}
qib_verify_pioperf(dd);