From 7bed2e2225d2f3b2d8a0bde10643075eb7b8a646 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 13 Feb 2012 16:05:27 +0000 Subject: [PATCH] fix titan gpio register size SVN-Revision: 30502 --- .../patches-2.6.37/100-titan-gpio-size.patch | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 target/linux/ar7/patches-2.6.37/100-titan-gpio-size.patch diff --git a/target/linux/ar7/patches-2.6.37/100-titan-gpio-size.patch b/target/linux/ar7/patches-2.6.37/100-titan-gpio-size.patch new file mode 100644 index 0000000000..ea1aaf093f --- /dev/null +++ b/target/linux/ar7/patches-2.6.37/100-titan-gpio-size.patch @@ -0,0 +1,33 @@ +commit 3e9957b4866f3767f19bf0e543b322ad7906c564 +Author: Florian Fainelli +Date: Fri May 13 17:41:21 2011 +0200 + + MIPS: AR7: Fix GPIO register size for Titan variant. + + The 'size' variable contains the correct register size for both AR7 + and Titan, but we never used it to ioremap the correct register size. + This problem only shows up on Titan. + + [ralf@linux-mips.org: Fixed the fix. The original patch as in patchwork + recognizes the problem correctly then fails to fix it ...] + + Reported-by: Alexander Clouter + Signed-off-by: Florian Fainelli + Patchwork: https://patchwork.linux-mips.org/patch/2380/ + Signed-off-by: Ralf Baechle + +diff --git a/arch/mips/ar7/gpio.c b/arch/mips/ar7/gpio.c +index 425dfa5..bb571bc 100644 +--- a/arch/mips/ar7/gpio.c ++++ b/arch/mips/ar7/gpio.c +@@ -325,9 +325,7 @@ int __init ar7_gpio_init(void) + size = 0x1f; + } + +- gpch->regs = ioremap_nocache(AR7_REGS_GPIO, +- AR7_REGS_GPIO + 0x10); +- ++ gpch->regs = ioremap_nocache(AR7_REGS_GPIO, size); + if (!gpch->regs) { + printk(KERN_ERR "%s: failed to ioremap regs\n", + gpch->chip.label); -- 2.30.2