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Commit c47a631f authored by Alan Cox's avatar Alan Cox Committed by Jeff Garzik
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ata_piix: Invalid use of writel/readl with iomap 



Should use ioread* as discussed previously

Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 93e2618e

drivers/ata/ata_piix.c

+3 −3
Original line number Diff line number Diff line
@@ -1121,12 +1121,12 @@ static int piix_disable_ahci(struct pci_dev *pdev) 
	if (!mmio)

		return -ENOMEM;



	tmp = readl(mmio + AHCI_GLOBAL_CTL);

	tmp = ioread32(mmio + AHCI_GLOBAL_CTL);

	if (tmp & AHCI_ENABLE) {

		tmp &= ~AHCI_ENABLE;

		writel(tmp, mmio + AHCI_GLOBAL_CTL);

		iowrite32(tmp, mmio + AHCI_GLOBAL_CTL);



		tmp = readl(mmio + AHCI_GLOBAL_CTL);

		tmp = ioread32(mmio + AHCI_GLOBAL_CTL);

		if (tmp & AHCI_ENABLE)

			rc = -EIO;

	}