From a482958bf60c434dc12ea0491938c8853d9774fb Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sat, 20 Oct 2007 00:32:35 +0200 Subject: [PATCH] slc90e66: fix deadlock on error handling * Stop abusing ide_lock lock (switch to a private locking). Fixes same issue as fixed by Alan Cox in atiixp host driver with commit 6c5f8cc33eb2e10b6ab788bbe259fc142a068627. * Bump driver version. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/slc90e66.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index c457bf4289c..eb4445b229e 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/slc90e66.c Version 0.18 Aug 9, 2007 + * linux/drivers/ide/pci/slc90e66.c Version 0.19 Sep 24, 2007 * * Copyright (C) 2000-2002 Andre Hedrick * Copyright (C) 2006-2007 MontaVista Software, Inc. @@ -21,6 +21,8 @@ #include +static DEFINE_SPINLOCK(slc90e66_lock); + static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); @@ -40,7 +42,7 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) { 2, 1 }, { 2, 3 }, }; - spin_lock_irqsave(&ide_lock, flags); + spin_lock_irqsave(&slc90e66_lock, flags); pci_read_config_word(dev, master_port, &master_data); if (pio > 1) @@ -71,7 +73,7 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio) pci_write_config_word(dev, master_port, master_data); if (is_slave) pci_write_config_byte(dev, slave_port, slave_data); - spin_unlock_irqrestore(&ide_lock, flags); + spin_unlock_irqrestore(&slc90e66_lock, flags); } static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed) -- 2.20.1