ad cs: pcmcia_socket0: unable to apply power

[Daniel Ritz]

hi

please try the attached patch or a 2.6.13-rc6-mm1 kernel.

rgds
-daniel


diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -72,6 +72,7 @@ static inline void cb_writel(struct yent
 {
 	debug("%p %04x %08x\n", socket, reg, val);
 	writel(val, socket->base + reg);
+	readl(socket->base + reg); /* avoid problems with PCI write posting */
 }
 
 static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
@@ -136,6 +137,7 @@ static inline void exca_writeb(struct ye
 {
 	debug("%p %04x %02x\n", socket, reg, val);
 	writeb(val, socket->base + 0x800 + reg);
+	readb(socket->base + 0x800 + reg); /* PCI write posting... */
 }
 
 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
@@ -143,6 +145,10 @@ static void exca_writew(struct yenta_soc
 	debug("%p %04x %04x\n", socket, reg, val);
 	writeb(val, socket->base + 0x800 + reg);
 	writeb(val >> 8, socket->base + 0x800 + reg + 1);
+
+	/* PCI write posting... */
+	readb(socket->base + 0x800 + reg);
+	readb(socket->base + 0x800 + reg + 1);
 }
 
 /*