staging: rdma: hfi1: Prefer using BIT Macro
authorAmitoj Kaur Chawla <amitoj1606@gmail.com>
Fri, 16 Oct 2015 16:39:08 +0000 (22:09 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 17 Oct 2015 06:02:55 +0000 (23:02 -0700)
Replace bit shifting on 1 with the BIT(x) Macro

The semantic patch used to find this is:
@@ int g; @@

-(1 << g)
+BIT(g)

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/rdma/hfi1/file_ops.c

index 7d28680..cbaf4f7 100644 (file)
@@ -508,7 +508,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
        case PIO_BUFS_SOP:
                memaddr = ((dd->physaddr + TXE_PIO_SEND) +
                                /* chip pio base */
-                          (uctxt->sc->hw_context * (1 << 16))) +
+                          (uctxt->sc->hw_context * BIT(16))) +
                                /* 64K PIO space / ctxt */
                        (type == PIO_BUFS_SOP ?
                                (TXE_PIO_SIZE / 2) : 0); /* sop? */