releases/3.0.1/arm-pxa-cm-x300-fix-v3020-rtc-functionality.patch

   1 From 6c7b3ea52e345ab614edb91d3f0e9f3bb3713871 Mon Sep 17 00:00:00 2001
   2 From: Igor Grinberg <grinberg@compulab.co.il>
   3 Date: Mon, 9 May 2011 14:41:46 +0300
   4 Subject: ARM: pxa/cm-x300: fix V3020 RTC functionality
   5
   6 From: Igor Grinberg <grinberg@compulab.co.il>
   7
   8 commit 6c7b3ea52e345ab614edb91d3f0e9f3bb3713871 upstream.
   9
  10 While in sleep mode the CS# and other V3020 RTC GPIOs must be driven
  11 high, otherwise V3020 RTC fails to keep the right time in sleep mode.
  12
  13 Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
  14 Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
  15 Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
  16
  17 ---
  18  arch/arm/mach-pxa/cm-x300.c |    8 ++++----
  19  1 file changed, 4 insertions(+), 4 deletions(-)
  20
  21 --- a/arch/arm/mach-pxa/cm-x300.c
  22 +++ b/arch/arm/mach-pxa/cm-x300.c
  23 @@ -161,10 +161,10 @@ static mfp_cfg_t cm_x3xx_mfp_cfg[] __ini
  24         GPIO99_GPIO,                    /* Ethernet IRQ */
  25
  26         /* RTC GPIOs */
  27 -       GPIO95_GPIO,                    /* RTC CS */
  28 -       GPIO96_GPIO,                    /* RTC WR */
  29 -       GPIO97_GPIO,                    /* RTC RD */
  30 -       GPIO98_GPIO,                    /* RTC IO */
  31 +       GPIO95_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC CS */
  32 +       GPIO96_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC WR */
  33 +       GPIO97_GPIO | MFP_LPM_DRIVE_HIGH,       /* RTC RD */
  34 +       GPIO98_GPIO,                            /* RTC IO */
  35
  36         /* Standard I2C */
  37         GPIO21_I2C_SCL,