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serial: mfd: fix bug in serial_hsu_remove()

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Medfield HSU driver deal with 4 pci devices(3 uart ports + 1 dma controller),
so in pci remove func, we need handle them differently

Signed-off-by: Feng Tang <[email protected]>
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Feng Tang 2010-09-06 13:41:02 +01:00 • committed by Greg Kroah-Hartman
commit e3671ac429
1 changed files with 9 additions and 8 deletions
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17
drivers/serial/mfd.c
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@ -1423,7 +1423,6 @@ static void hsu_global_init(void)
}
phsu = hsu;
hsu_debugfs_init(hsu);
return;
@ -1435,18 +1434,20 @@ err_free_region:
static void serial_hsu_remove(struct pci_dev *pdev)
{
struct hsu_port *hsu;
int i;
void *priv = pci_get_drvdata(pdev);
struct uart_hsu_port *up;
hsu = pci_get_drvdata(pdev);
if (!hsu)
if (!priv)
return;
for (i = 0; i < 3; i++)
uart_remove_one_port(&serial_hsu_reg, &hsu->port[i].port);
/* For port 0/1/2, priv is the address of uart_hsu_port */
if (pdev->device != 0x081E) {
up = priv;
uart_remove_one_port(&serial_hsu_reg, &up->port);
}
pci_set_drvdata(pdev, NULL);
free_irq(hsu->irq, hsu);
free_irq(pdev->irq, priv);
pci_disable_device(pdev);
}