From 2047e15be4247efd430d067aae5bd24c11d99999 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sat, 20 Oct 2007 00:32:35 +0200 Subject: ali14xx: fix deadlock on error handling Stop abusing ide_lock lock by switching to a private locking. Fixes same issue as fixed by Alan Cox in atiixp host driver with commit 6c5f8cc33eb2e10b6ab788bbe259fc142a068627. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/legacy/ali14xx.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/ide/legacy') diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/legacy/ali14xx.c index 0973c85e49b..10311ecc674 100644 --- a/drivers/ide/legacy/ali14xx.c +++ b/drivers/ide/legacy/ali14xx.c @@ -102,6 +102,8 @@ static void outReg (u8 data, u8 reg) outb_p(data, dataPort); } +static DEFINE_SPINLOCK(ali14xx_lock); + /* * Set PIO mode for the specified drive. * This function computes timing parameters @@ -129,14 +131,14 @@ static void ali14xx_set_pio_mode(ide_drive_t *drive, const u8 pio) /* stuff timing parameters into controller registers */ driveNum = (HWIF(drive)->index << 1) + drive->select.b.unit; - spin_lock_irqsave(&ide_lock, flags); + spin_lock_irqsave(&ali14xx_lock, flags); outb_p(regOn, basePort); outReg(param1, regTab[driveNum].reg1); outReg(param2, regTab[driveNum].reg2); outReg(param3, regTab[driveNum].reg3); outReg(param4, regTab[driveNum].reg4); outb_p(regOff, basePort); - spin_unlock_irqrestore(&ide_lock, flags); + spin_unlock_irqrestore(&ali14xx_lock, flags); } /* -- cgit v1.2.3