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authorDominik Brodowski <linux@dominikbrodowski.net>2010-05-21 15:16:53 +0200
committerDominik Brodowski <linux@dominikbrodowski.net>2010-06-07 18:20:02 +0200
commit02caa56e4b789b80ae7e0f0f0789f94b44ad32ef (patch)
treed65920de25fc746cace1988fddcf9ada8fd5feeb /drivers/pcmcia
parente44a21b7268a022c7749f521c06214145bd161e4 (diff)
downloadlinux-2.6.34-ux500-02caa56e4b789b80ae7e0f0f0789f94b44ad32ef.tar.gz
pcmcia: only keep saved I365_CSCINT flag if there is no PCI irq
Keeping the saved I365_CSCINT flag around breaks PCMCIA on some system, and is only needed on a few systems to get PCMCIA to work. This patch allows PCMCIA to work on both types, and it fixes https://bugzilla.kernel.org/show_bug.cgi?id=16015 Reported-by: Justin P. Mattock <justinmattock@gmail.com> CC: <stable@kernel.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/yenta_socket.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 424e576f3ac..6bf8b2c06c7 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -975,7 +975,7 @@ static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
/* probes the PCI interrupt, use only on override functions */
static int yenta_probe_cb_irq(struct yenta_socket *socket)
{
- u8 reg;
+ u8 reg = 0;
if (!socket->cb_irq)
return -1;
@@ -989,7 +989,8 @@ static int yenta_probe_cb_irq(struct yenta_socket *socket)
}
/* generate interrupt, wait */
- reg = exca_readb(socket, I365_CSCINT);
+ if (!socket->dev->irq)
+ reg = exca_readb(socket, I365_CSCINT);
exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
cb_writel(socket, CB_SOCKET_EVENT, -1);
cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);