Patch to convert piix driver to use per-driver/hwgroup lock and kill
ide_lock. In the case of piix, hwgroup->lock should be sufficient.
Signed-off-by: Ravikiran Thirumalai <[EMAIL PROTECTED]>
Index: linux-2.6.13/drivers/ide/pci/piix.c
===================================================================
--- linux-2.6.13.orig/drivers/ide/pci/piix.c 2005-09-06 12:00:25.000000000
-0700
+++ linux-2.6.13/drivers/ide/pci/piix.c 2005-09-06 13:22:49.000000000 -0700
@@ -231,7 +231,6 @@
pio = ide_get_best_pio_mode(drive, pio, 5, NULL);
spin_lock_irqsave(&hwgroup->lock, flags);
- spin_lock(&ide_lock);
pci_read_config_word(dev, master_port, &master_data);
if (is_slave) {
master_data = master_data | 0x4000;
@@ -251,7 +250,6 @@
pci_write_config_word(dev, master_port, master_data);
if (is_slave)
pci_write_config_byte(dev, slave_port, slave_data);
- spin_unlock(&ide_lock);
spin_unlock_irqrestore(&hwgroup->lock, flags);
}
-
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