AuxXxilium/linux_dsm_epyc7002
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Merge master.kernel.org:/home/rmk/linux-2.6-arm

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* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 4598/2: OSIRIS: Ensure we do not get nRSTOUT during suspend
  [ARM] 4597/2: OSIRIS: ensure CPLD0 is preserved after suspend
This commit is contained in:
Linus Torvalds 2007-10-05 14:09:10 -07:00
commit 9f34073b4e
1 changed files with 18 additions and 0 deletions
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18
arch/arm/mach-s3c2440/mach-osiris.c
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@ -276,7 +276,21 @@ static unsigned char pm_osiris_ctrl0;
static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state)
{
unsigned int tmp;
pm_osiris_ctrl0 = __raw_readb(OSIRIS_VA_CTRL0);
tmp = pm_osiris_ctrl0 & ~OSIRIS_CTRL0_NANDSEL;
/* ensure correct NAND slot is selected on resume */
if ((pm_osiris_ctrl0 & OSIRIS_CTRL0_BOOT_INT) == 0)
tmp |= 2;
__raw_writeb(tmp, OSIRIS_VA_CTRL0);
/* ensure that an nRESET is not generated on resume. */
s3c2410_gpio_setpin(S3C2410_GPA21, 1);
s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_OUT);
return 0;
}
@ -285,6 +299,10 @@ static int osiris_pm_resume(struct sys_device *sd)
if (pm_osiris_ctrl0 & OSIRIS_CTRL0_FIX8)
__raw_writeb(OSIRIS_CTRL1_FIX8, OSIRIS_VA_CTRL1);
__raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0);
s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_nRSTOUT);
return 0;
}