main/linux-grsec: more r8169 fixes

2 files changed, 59 insertions, 1 deletions

diff --git a/main/linux-grsec/APKBUILD b/main/linux-grsec/APKBUILD
index b3126d2ec2..16eb88ebb8 100644
--- a/main/linux-grsec/APKBUILD
+++ b/main/linux-grsec/APKBUILD
@@ -4,7 +4,7 @@ _flavor=grsec
 pkgname=linux-${_flavor}
 pkgver=2.6.32.15
 _kernver=2.6.32
-pkgrel=3
+pkgrel=4
 pkgdesc="Linux kernel with grsecurity"
 url=http://grsecurity.net
 depends="mkinitfs linux-firmware"
@@ -32,6 +32,7 @@ source="ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-$_kernver.tar.bz2
 	0018-xfrm-Fix-crashes-in-xfrm_lookup.patch
 	xfrm-fix-policy-unreferencing-on-larval-drop.patch
 	r8169-fix-random-mdio_write-failures.patch
+	r8169-fix-mdio_read-and-update-mdio_write-according-to-hw-specs.patch
 	x86-setup-When-restoring-the-screen-update-boot_params-screen_info.patch
 	kernelconfig.x86
 	"
@@ -162,5 +163,6 @@ c09b82b89a49ba2a3836a0bc3a3312f4  0015-xfrm-cache-bundles-instead-of-policies-fo
 45a676c7a1759fec60b724d557b4e295  0018-xfrm-Fix-crashes-in-xfrm_lookup.patch
 c7e606c11c05ff03012b21c3fe0ece47  xfrm-fix-policy-unreferencing-on-larval-drop.patch
 ce4a74190febe13713bab1b886dd5bee  r8169-fix-random-mdio_write-failures.patch
+b41ee19f13498fb25992fd60cd1126d4  r8169-fix-mdio_read-and-update-mdio_write-according-to-hw-specs.patch
 a1bcf76870b63a4a4035a8948fb758e2  x86-setup-When-restoring-the-screen-update-boot_params-screen_info.patch
 442d7174a9755ed7bba22ebd4918bbe5  kernelconfig.x86"
diff --git a/main/linux-grsec/r8169-fix-mdio_read-and-update-mdio_write-according-to-hw-specs.patch b/main/linux-grsec/r8169-fix-mdio_read-and-update-mdio_write-according-to-hw-specs.patch
new file mode 100644
index 0000000000..bd111e8772
--- /dev/null
+++ b/main/linux-grsec/r8169-fix-mdio_read-and-update-mdio_write-according-to-hw-specs.patch
@@ -0,0 +1,56 @@
+From patchwork Wed Jun  9 05:22:10 2010
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 8bit
+Subject: r8169: fix mdio_read and update mdio_write according to hw specs
+Date: Tue, 08 Jun 2010 19:22:10 -0000
+From: =?utf-8?b?VGltbyBUZXLDpHMgPHRpbW8udGVyYXNAaWtpLmZpPg==?=
+X-Patchwork-Id: 55049
+Message-Id: <1276060930-15697-1-git-send-email-timo.teras@iki.fi>
+To: netdev@vger.kernel.org
+Cc: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi>,
+	Francois Romieu <romieu@fr.zoreil.com>, Hayeswang <hayeswang@realtek.com>
+
+Realtek confirmed that a 20us delay is needed after mdio_read and
+mdio_write operations. Reduce the delay in mdio_write, and add it
+to mdio_read too. Also add a comment that the 20us is from hw specs.
+
+Signed-off-by: Timo Teräs <timo.teras@iki.fi>
+Cc: Francois Romieu <romieu@fr.zoreil.com>
+Cc: Hayeswang <hayeswang@realtek.com>
+
+---
+drivers/net/r8169.c |   12 +++++++++---
+ 1 files changed, 9 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
+index 03a8318..96b6cfb 100644
+--- a/drivers/net/r8169.c
++++ b/drivers/net/r8169.c
+@@ -560,10 +560,10 @@ static void mdio_write(void __iomem *ioaddr, int reg_addr, int value)
+ 		udelay(25);
+ 	}
+ 	/*
+-	 * Some configurations require a small delay even after the write
+-	 * completed indication or the next write might fail.
++	 * According to hardware specs a 20us delay is required after write
++	 * complete indication, but before sending next command.
+ 	 */
+-	udelay(25);
++	udelay(20);
+ }
+ 
+ static int mdio_read(void __iomem *ioaddr, int reg_addr)
+@@ -583,6 +583,12 @@ static int mdio_read(void __iomem *ioaddr, int reg_addr)
+ 		}
+ 		udelay(25);
+ 	}
++	/*
++	 * According to hardware specs a 20us delay is required after read
++	 * complete indication, but before sending next command.
++	 */
++	udelay(20);
++
+ 	return value;
+ }
+