Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [27/50] ARM: pxa/cm-x300: fix V3020 RTC functionality | Date | Thu, 28 Jul 2011 16:44:31 -0700 (PDT) |
| |
2.6.35-longterm review patch. If anyone has any objections, please let me know.
------------------ From: Igor Grinberg <grinberg@compulab.co.il>
[ upstream commit 6c7b3ea52e345ab614edb91d3f0e9f3bb3713871 ]
While in sleep mode the CS# and other V3020 RTC GPIOs must be driven high, otherwise V3020 RTC fails to keep the right time in sleep mode.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Cc: stable@kernel.org Signed-off-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
Index: linux-2.6.35.y/arch/arm/mach-pxa/cm-x300.c =================================================================== --- linux-2.6.35.y.orig/arch/arm/mach-pxa/cm-x300.c +++ linux-2.6.35.y/arch/arm/mach-pxa/cm-x300.c @@ -157,10 +157,10 @@ static mfp_cfg_t cm_x3xx_mfp_cfg[] __ini GPIO99_GPIO, /* Ethernet IRQ */ /* RTC GPIOs */ - GPIO95_GPIO, /* RTC CS */ - GPIO96_GPIO, /* RTC WR */ - GPIO97_GPIO, /* RTC RD */ - GPIO98_GPIO, /* RTC IO */ + GPIO95_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC CS */ + GPIO96_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC WR */ + GPIO97_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC RD */ + GPIO98_GPIO, /* RTC IO */ /* Standard I2C */ GPIO21_I2C_SCL,
| |