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Message-ID: <20071229011057.GG2883@darkstar.te-china.tietoenator.com> Date: Sat, 29 Dec 2007 09:10:57 +0800 From: Dave Young <hidave.darkstar@...il.com> To: gregkh@...e.de Cc: linux-kernel@...r.kernel.org, linux-pci@...ey.karlin.mff.cuni.cz Subject: [PATCH 06/12] pci : Use mutex instead of semaphore in driver core Signed-off-by: Dave Young <hidave.darkstar@...il.com> --- drivers/pci/bus.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff -upr linux/drivers/pci/bus.c linux.new/drivers/pci/bus.c --- linux/drivers/pci/bus.c 2007-12-28 10:25:07.000000000 +0800 +++ linux.new/drivers/pci/bus.c 2007-12-28 10:28:56.000000000 +0800 @@ -207,9 +207,9 @@ void pci_walk_bus(struct pci_bus *top, v next = dev->bus_list.next; /* Run device routines with the device locked */ - down(&dev->dev.sem); + mutex_lock(&dev->dev.mutex); cb(dev, userdata); - up(&dev->dev.sem); + mutex_unlock(&dev->dev.mutex); } up_read(&pci_bus_sem); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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