[patch 4/4] ide: Break ide_lock -- remove ide_lock from piix driver
From: Ravikiran G Thirumalai <hidden>
Date: 2005-09-06 23:44:30
Also in:
lkml
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 <redacted> 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); }