drivers: Remove explicit invocations of mmiowb()

[linux.git] / drivers / ntb / hw / idt / ntb_hw_idt.c

diff --git a/drivers/ntb/hw/idt/ntb_hw_idt.c b/drivers/ntb/hw/idt/ntb_hw_idt.c
index 1dede87dd54fadd2a0c6a5336f708e2ea968b5d0..dcf23468053507ba642c610fa8e4392caee4a0db 100644 (file)
--- a/drivers/ntb/hw/idt/ntb_hw_idt.c
+++ b/drivers/ntb/hw/idt/ntb_hw_idt.c
@@ -358,8 +358,6 @@ static void idt_sw_write(struct idt_ntb_dev *ndev,
        iowrite32((u32)reg, ndev->cfgspc + (ptrdiff_t)IDT_NT_GASAADDR);
        /* Put the new value of the register */
        iowrite32(data, ndev->cfgspc + (ptrdiff_t)IDT_NT_GASADATA);
-       /* Make sure the PCIe transactions are executed */
-       mmiowb();
        /* Unlock GASA registers operations */
        spin_unlock_irqrestore(&ndev->gasa_lock, irqflags);
 }
@@ -750,7 +748,6 @@ static void idt_ntb_local_link_enable(struct idt_ntb_dev *ndev)
        spin_lock_irqsave(&ndev->mtbl_lock, irqflags);
        idt_nt_write(ndev, IDT_NT_NTMTBLADDR, ndev->part);
        idt_nt_write(ndev, IDT_NT_NTMTBLDATA, mtbldata);
-       mmiowb();
        spin_unlock_irqrestore(&ndev->mtbl_lock, irqflags);
 
        /* Notify the peers by setting and clearing the global signal bit */
@@ -778,7 +775,6 @@ static void idt_ntb_local_link_disable(struct idt_ntb_dev *ndev)
        spin_lock_irqsave(&ndev->mtbl_lock, irqflags);
        idt_nt_write(ndev, IDT_NT_NTMTBLADDR, ndev->part);
        idt_nt_write(ndev, IDT_NT_NTMTBLDATA, 0);
-       mmiowb();
        spin_unlock_irqrestore(&ndev->mtbl_lock, irqflags);
 
        /* Notify the peers by setting and clearing the global signal bit */
@@ -1339,7 +1335,6 @@ static int idt_ntb_peer_mw_set_trans(struct ntb_dev *ntb, int pidx, int widx,
                idt_nt_write(ndev, IDT_NT_LUTLDATA, (u32)addr);
                idt_nt_write(ndev, IDT_NT_LUTMDATA, (u32)(addr >> 32));
                idt_nt_write(ndev, IDT_NT_LUTUDATA, data);
-               mmiowb();
                spin_unlock_irqrestore(&ndev->lut_lock, irqflags);
                /* Limit address isn't specified since size is fixed for LUT */
        }
@@ -1393,7 +1388,6 @@ static int idt_ntb_peer_mw_clear_trans(struct ntb_dev *ntb, int pidx,
                idt_nt_write(ndev, IDT_NT_LUTLDATA, 0);
                idt_nt_write(ndev, IDT_NT_LUTMDATA, 0);
                idt_nt_write(ndev, IDT_NT_LUTUDATA, 0);
-               mmiowb();
                spin_unlock_irqrestore(&ndev->lut_lock, irqflags);
        }
 
@@ -1812,7 +1806,6 @@ static int idt_ntb_peer_msg_write(struct ntb_dev *ntb, int pidx, int midx,
        /* Set the route and send the data */
        idt_sw_write(ndev, partdata_tbl[ndev->part].msgctl[midx], swpmsgctl);
        idt_nt_write(ndev, ntdata_tbl.msgs[midx].out, msg);
-       mmiowb();
        /* Unlock the messages routing table */
        spin_unlock_irqrestore(&ndev->msg_locks[midx], irqflags);