agp: remove unused variable mcapndx

This patch fix the following warning:
drivers/char/agp/isoch.c: In function ‘agp_3_5_isochronous_node_enable’:
drivers/char/agp/isoch.c:87:5: warning: variable ‘mcapndx’ set but not
used [-Wunused-but-set-variable]
  u8 mcapndx;
     ^~~~~~~

Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/char/agp/isoch.c b/drivers/char/agp/isoch.c
index 31c374b..3249924 100644 (file)
--- a/drivers/char/agp/isoch.c
+++ b/drivers/char/agp/isoch.c
@@ -84,7 +84,6 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
        unsigned int cdev = 0;
        u32 mnistat, tnistat, tstatus, mcmd;
        u16 tnicmd, mnicmd;
-       u8 mcapndx;
        u32 tot_bw = 0, tot_n = 0, tot_rq = 0, y_max, rq_isoch, rq_async;
        u32 step, rem, rem_isoch, rem_async;
        int ret = 0;
@@ -138,8 +137,6 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
                cur = list_entry(pos, struct agp_3_5_dev, list);
                dev = cur->dev;
 
-               mcapndx = cur->capndx;
-
                pci_read_config_dword(dev, cur->capndx+AGPNISTAT, &mnistat);
 
                master[cdev].maxbw = (mnistat >> 16) & 0xff;
@@ -251,8 +248,6 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
                cur = master[cdev].dev;
                dev = cur->dev;
 
-               mcapndx = cur->capndx;
-
                master[cdev].rq += (cdev == ndevs - 1)
                              ? (rem_async + rem_isoch) : step;