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git://projects.qi-hardware.com/openwrt-xburst.git
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e11642abcb
Disable some calls the WRT54G3G implementation does not like and enable interrupts to allow hotplugging. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20240 3c298f89-4303-0410-b956-a3cf2f4a3e73
49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
Index: linux-2.6.32.9/drivers/pcmcia/yenta_socket.c
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===================================================================
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--- linux-2.6.32.9.orig/drivers/pcmcia/yenta_socket.c 2010-03-12 09:43:45.000000000 +0100
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+++ linux-2.6.32.9/drivers/pcmcia/yenta_socket.c 2010-03-12 10:05:33.000000000 +0100
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@@ -866,6 +866,8 @@
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* Probe for usable interrupts using the force
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* register to generate bogus card status events.
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*/
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+#ifndef CONFIG_BCM47XX
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+ /* WRT54G3G does not like this */
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cb_writel(socket, CB_SOCKET_EVENT, -1);
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cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
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exca_writeb(socket, I365_CSCINT, 0);
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@@ -880,6 +882,7 @@
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}
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cb_writel(socket, CB_SOCKET_MASK, 0);
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exca_writeb(socket, I365_CSCINT, 0);
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+#endif
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mask = probe_irq_mask(val) & 0xffff;
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@@ -960,6 +963,10 @@
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else
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socket->socket.irq_mask = 0;
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+ /* irq mask probing is broken for the WRT54G3G */
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+ if (socket->socket.irq_mask == 0)
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+ socket->socket.irq_mask = 0x6f8;
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+
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dev_printk(KERN_INFO, &socket->dev->dev,
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"ISA IRQ mask 0x%04x, PCI irq %d\n",
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socket->socket.irq_mask, socket->cb_irq);
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@@ -1198,6 +1205,15 @@
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dev_printk(KERN_INFO, &dev->dev,
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"Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
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+ /* Generate an interrupt on card insert/remove */
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+ config_writew(socket, CB_SOCKET_MASK, CB_CSTSMASK | CB_CDMASK);
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+
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+ /* Set up Multifunction Routing Status Register */
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+ config_writew(socket, 0x8C, 0x1000 /* MFUNC3 to GPIO3 */ | 0x2 /* MFUNC0 to INTA */);
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+
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+ /* Switch interrupts to parallelized */
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+ config_writeb(socket, 0x92, 0x64);
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+
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yenta_fixup_parent_bridge(dev->subordinate);
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/* Register it with the pcmcia layer.. */
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