Fix a possible problem with mport registration left non-cleared after
fsl_rio_setup() exits on link error. Abort mport initialization if
registration failed.
This patch is applicable to 2.6.39-rc1 only. The problem does not exist
for earlier versions.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Thomas Moll <thomas.moll@sysgo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
port->ops = ops;
port->priv = priv;
port->phys_efptr = 0x100;
port->ops = ops;
port->priv = priv;
port->phys_efptr = 0x100;
- rio_register_mport(port);
priv->regs_win = ioremap(regs.start, regs.end - regs.start + 1);
rio_regs_win = priv->regs_win;
priv->regs_win = ioremap(regs.start, regs.end - regs.start + 1);
rio_regs_win = priv->regs_win;
dev_info(&dev->dev, "RapidIO Common Transport System size: %d\n",
port->sys_size ? 65536 : 256);
dev_info(&dev->dev, "RapidIO Common Transport System size: %d\n",
port->sys_size ? 65536 : 256);
+ if (rio_register_mport(port))
+ goto err;
+
if (port->host_deviceid >= 0)
out_be32(priv->regs_win + RIO_GCCSR, RIO_PORT_GEN_HOST |
RIO_PORT_GEN_MASTER | RIO_PORT_GEN_DISCOVERED);
if (port->host_deviceid >= 0)
out_be32(priv->regs_win + RIO_GCCSR, RIO_PORT_GEN_HOST |
RIO_PORT_GEN_MASTER | RIO_PORT_GEN_DISCOVERED);
__setup("riohdid=", rio_hdid_setup);
__setup("riohdid=", rio_hdid_setup);
-void rio_register_mport(struct rio_mport *port)
+int rio_register_mport(struct rio_mport *port)
{
if (next_portid >= RIO_MAX_MPORTS) {
pr_err("RIO: reached specified max number of mports\n");
{
if (next_portid >= RIO_MAX_MPORTS) {
pr_err("RIO: reached specified max number of mports\n");
}
port->id = next_portid++;
port->host_deviceid = rio_get_hdid(port->id);
list_add_tail(&port->node, &rio_mports);
}
port->id = next_portid++;
port->host_deviceid = rio_get_hdid(port->id);
list_add_tail(&port->node, &rio_mports);
}
EXPORT_SYMBOL_GPL(rio_local_get_device_id);
}
EXPORT_SYMBOL_GPL(rio_local_get_device_id);
};
/* Architecture and hardware-specific functions */
};
/* Architecture and hardware-specific functions */
-extern void rio_register_mport(struct rio_mport *);
+extern int rio_register_mport(struct rio_mport *);
extern int rio_open_inb_mbox(struct rio_mport *, void *, int, int);
extern void rio_close_inb_mbox(struct rio_mport *, int);
extern int rio_open_outb_mbox(struct rio_mport *, void *, int, int);
extern int rio_open_inb_mbox(struct rio_mport *, void *, int, int);
extern void rio_close_inb_mbox(struct rio_mport *, int);
extern int rio_open_outb_mbox(struct rio_mport *, void *, int, int);