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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>
This commit is contained in:
Kenji Kaneshige 2006-09-28 15:51:36 -07:00 committed by Greg Kroah-Hartman
parent d1729ccecd
commit 6aa562c248
2 changed files with 1 additions and 5 deletions
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1
drivers/pci/hotplug/shpchp.h
View File

@ -103,7 +103,6 @@ struct controller {
u32 cap_offset;
unsigned long mmio_base;
unsigned long mmio_size;
volatile int cmd_busy;
};

5
drivers/pci/hotplug/shpchp_hpc.c
View File

@ -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);
}