linux-kernel - [PATCH] sdhci: fix undue iomem warning

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Message-Id: <1306758796-4254-1-git-send-email-daniel.blueman@gmail.com>
Date:	Mon, 30 May 2011 20:33:16 +0800
From:	Daniel J Blueman <daniel.blueman@...il.com>
To:	Chris Ball <cjb@...top.org>
Cc:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Daniel J Blueman <daniel.blueman@...il.com>
Subject: [PATCH] sdhci: fix undue iomem warning

Some newer SDHCI controllers have memory mapped I/O regions of 512
bytes, so accept these without warning.

Signed-off-by: Daniel J Blueman <daniel.blueman@...il.com>
---
 drivers/mmc/host/sdhci-pci.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 936bbca..ae948b0 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -918,8 +918,9 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
 		return ERR_PTR(-ENODEV);
 	}
 
-	if (pci_resource_len(pdev, bar) != 0x100) {
-		dev_err(&pdev->dev, "Invalid iomem size. You may "
+	int len = pci_resource_len(pdev, bar);
+	if (len != 0x100 && len != 0x200) {
+		dev_warn(&pdev->dev, "Invalid iomem size. You may "
 			"experience problems.\n");
 	}
 
-- 
1.7.4.1

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