[PATCH -next] PCI: hotplug: Remove set but not used variable 'physical_slot'

[YueHaibing]

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/pci/hotplug/cpqphp_core.c: In function 'init_SERR':
drivers/pci/hotplug/cpqphp_core.c:124:5: warning:
 variable 'physical_slot' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/pci/hotplug/cpqphp_core.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/pci/hotplug/cpqphp_core.c 
b/drivers/pci/hotplug/cpqphp_core.c
index 95b7d60..16bbb18 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -121,7 +121,6 @@ static int init_SERR(struct controller *ctrl)
 {
        u32 tempdword;
        u32 number_of_slots;
-       u8 physical_slot;
 
        if (!ctrl)
                return 1;
@@ -131,7 +130,6 @@ static int init_SERR(struct controller *ctrl)
        number_of_slots = readb(ctrl->hpc_reg + SLOT_MASK) & 0x0F;
        /* Loop through slots */
        while (number_of_slots) {
-               physical_slot = tempdword;
                writeb(0, ctrl->hpc_reg + SLOT_SERR);
                tempdword++;
                number_of_slots--;