From: Pierre Ossman <drzeus@drzeus.cx>
Date: Sat, 5 Nov 2005 10:16:50 +0000 (+0000)
Subject: [MMC] Fix chip config in wbsd
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=25cc5e5bd20e9274dddb9d1e55b83798363528dc;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[MMC] Fix chip config in wbsd

There is a broken if clause in the wbsd driver that can cause the
driver to try and configure the chip even though none is found. This
results in i/o on invalid ports.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index 942668e93a74..ea0c4b3361bf 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -1852,9 +1852,9 @@ static int __devinit wbsd_init(struct device* dev, int base, int irq, int dma,
 	/*
 	 * See if chip needs to be configured.
 	 */
-	if (pnp && (host->config != 0))
+	if (pnp)
 	{
-		if (!wbsd_chip_validate(host))
+		if ((host->config != 0) && !wbsd_chip_validate(host))
 		{
 			printk(KERN_WARNING DRIVER_NAME
 				": PnP active but chip not configured! "