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authorKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>2006-09-28 15:51:36 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-10-18 11:36:11 -0700
commit6aa562c248e05db993e4a5f405f899c0cfabb7f2 (patch)
treee2d2fca823131f0d33fb7015d35016576fc33d31
parentd1729ccecd7ba9ceb6dca1c973dbfd87041d0637 (diff)
shpchp: remove unnecessary cmd_busy member from struct controller
This patch removes unnecessary cmd_busy member from struct controller. Read command status register instead of using cmd_busy. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/pci/hotplug/shpchp.h1
-rw-r--r--drivers/pci/hotplug/shpchp_hpc.c5
2 files changed, 1 insertions, 5 deletions
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index c7103ac5cd0..7e7d490622e 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -103,7 +103,6 @@ struct controller {
u32 cap_offset;
unsigned long mmio_base;
unsigned long mmio_size;
- volatile int cmd_busy;
};
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 4826dd158de..bbe450f098e 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -339,7 +339,7 @@ static inline int shpc_wait_cmd(struct controller *ctrl)
rc = shpc_poll_ctrl_busy(ctrl);
else
rc = wait_event_interruptible_timeout(ctrl->queue,
- !ctrl->cmd_busy, timeout);
+ !is_ctrl_busy(ctrl), timeout);
if (!rc && is_ctrl_busy(ctrl)) {
retval = -EIO;
err("Command not completed in 1000 msec\n");
@@ -347,7 +347,6 @@ static inline int shpc_wait_cmd(struct controller *ctrl)
retval = -EINTR;
info("Command was interrupted by a signal\n");
}
- ctrl->cmd_busy = 0;
return retval;
}
@@ -378,7 +377,6 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
/* To make sure the Controller Busy bit is 0 before we send out the
* command.
*/
- slot->ctrl->cmd_busy = 1;
shpc_writew(ctrl, CMD, temp_word);
/*
@@ -928,7 +926,6 @@ static irqreturn_t shpc_isr(int irq, void *dev_id)
serr_int &= ~SERR_INTR_RSVDZ_MASK;
shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
- ctrl->cmd_busy = 0;
wake_up_interruptible(&ctrl->queue);
}