From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 4 May 2007 22:14:14 +0000 (+0000)
Subject: add wl-hdd ide workaround from #272
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c855d322c06879f5be552763137309b870982242;p=openwrt%2Fstaging%2Fldir.git

add wl-hdd ide workaround from #272

SVN-Revision: 7093
---

diff --git a/target/linux/brcm-2.4/patches/013-wl_hdd_pdc202xx.patch b/target/linux/brcm-2.4/patches/013-wl_hdd_pdc202xx.patch
new file mode 100644
index 0000000000..63e0cd6037
--- /dev/null
+++ b/target/linux/brcm-2.4/patches/013-wl_hdd_pdc202xx.patch
@@ -0,0 +1,41 @@
+--- linux.old/drivers/ide/pci/pdc202xx_old.c	2006-12-23 21:34:20.000000000 +0100
++++ linux.dev/drivers/ide/pci/pdc202xx_old.c	2007-01-24 18:03:28.000000000 +0100
+@@ -253,23 +253,23 @@
+ 	pci_read_config_byte(dev, (drive_pci)|0x03, &DP);
+ 
+ 	if (speed < XFER_SW_DMA_0) {
+-		if ((AP & 0x0F) || (BP & 0x07)) {
++		if ((AP & 0x0F) || (BP & 0x17)) {
+ 			/* clear PIO modes of lower 8421 bits of A Register */
+ 			pci_write_config_byte(dev, (drive_pci), AP &~0x0F);
+ 			pci_read_config_byte(dev, (drive_pci), &AP);
+ 
+ 			/* clear PIO modes of lower 421 bits of B Register */
+-			pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0x07);
++			pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0x17);
+ 			pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
+ 
+ 			pci_read_config_byte(dev, (drive_pci), &AP);
+ 			pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
+ 		}
+ 	} else {
+-		if ((BP & 0xF0) && (CP & 0x0F)) {
++		if ((BP & 0xE0) && (CP & 0x0F)) {
+ 			/* clear DMA modes of upper 842 bits of B Register */
+ 			/* clear PIO forced mode upper 1 bit of B Register */
+-			pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0xF0);
++			pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0xE0);
+ 			pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
+ 
+ 			/* clear DMA modes of lower 8421 bits of C Register */
+@@ -373,6 +373,9 @@
+ 	u8 ultra_66		= ((id->dma_ultra & 0x0010) ||
+ 				   (id->dma_ultra & 0x0008)) ? 1 : 0;
+ 
++	if (hwif->rqsize != 256)
++		hwif->rqsize = 256;
++
+ 	switch(dev->device) {
+ 		case PCI_DEVICE_ID_PROMISE_20267:
+ 		case PCI_DEVICE_ID_PROMISE_20265:
+