Hi Manuel,
On Wed, Nov 09 2011, Manuel Lauss wrote:
> kernel complains about invalid SDHCI iomem size on boot. The BAR on my
> O2-Micro controller is 512 bytes large, twice the size SDHCI-PCI needs.
> This patch changes the warning to only appear when the BAR is smaller
> than expected.
>
> Signed-off-by: Manuel Lauss <manuel.lauss@xxxxxxxxxxxxxx>
> ---
> drivers/mmc/host/sdhci-pci.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
> index d833d9c..0ee5c07 100644
> --- a/drivers/mmc/host/sdhci-pci.c
> +++ b/drivers/mmc/host/sdhci-pci.c
> @@ -1199,7 +1199,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
> return ERR_PTR(-ENODEV);
> }
>
> - if (pci_resource_len(pdev, bar) != 0x100) {
> + if (pci_resource_len(pdev, bar) < 0x100) {
> dev_err(&pdev->dev, "Invalid iomem size. You may "
> "experience problems.\n");
> }
We discussed this a few months ago -- the thread is at:
http://thread.gmane.org/gmane.linux.kernel.mmc/8314
Thanks,
- Chris.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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