linux-kernel - Re: [PATCH][bisected]pcmcia:yenta_socket.c fix broken wireless cards.

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Date:	Thu, 20 May 2010 18:34:19 +0200
From:	Dominik Brodowski <linux@...inikbrodowski.net>
To:	"Justin P. Mattock" <justinmattock@...il.com>,
	Jens.Kuenzer@...a.homeip.net
Cc:	linux-pcmcia@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][bisected]pcmcia:yenta_socket.c fix broken wireless
 cards.

Jens, Justin,

could both of you test this patch on top of 2.6.34, please?

pcmcia: only keep saved I365_CSCING flag if there is no PCI irq

Signed-off-by: Dominik Brodowski <linux@...inikbrodowski.net>

diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 424e576..151ca43 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -371,8 +371,11 @@ static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
 			exca_writeb(socket, I365_POWER, reg);
 
 		/* CSC interrupt: no ISA irq for CSC */
-		reg = exca_readb(socket, I365_CSCINT);
-		reg &= I365_CSC_IRQ_MASK;
+		reg = 0;
+		if (!socket->dev->irq) {
+			reg = exca_readb(socket, I365_CSCINT);
+			reg &= I365_CSC_IRQ_MASK;
+		}
 		reg |= I365_CSC_DETECT;
 		if (state->flags & SS_IOCARD) {
 			if (state->csc_mask & SS_STSCHG)
--
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