diff options
Diffstat (limited to 'target/linux/ar7/patches-2.6.37/100-titan-gpio-size.patch')
| -rw-r--r-- | target/linux/ar7/patches-2.6.37/100-titan-gpio-size.patch | 33 |
1 files changed, 33 insertions, 0 deletions
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 000000000..ea1aaf093 --- /dev/null +++ b/target/linux/ar7/patches-2.6.37/100-titan-gpio-size.patch @@ -0,0 +1,33 @@ +commit 3e9957b4866f3767f19bf0e543b322ad7906c564 +Author: Florian Fainelli <florian@openwrt.org> +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 <alex@digriz.org.uk> + Signed-off-by: Florian Fainelli <florian@openwrt.org> + Patchwork: https://patchwork.linux-mips.org/patch/2380/ + Signed-off-by: Ralf Baechle <ralf@linux-mips.org> + +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); |