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authorRajendra Nayak <rnayak@ti.com>2010-12-22 04:01:18 +0100
committerPaul Walmsley <paul@pwsan.com>2010-12-22 04:01:18 +0100
commit12627578523d2d9396cae76b1dad0ed3dccf1730 (patch)
tree0cce660ef2a1bc3390823469fed55a409617194a /arch/arm/mach-omap2/powerdomain.c
parentOMAP: powerdomain: Arch specific funcs for state control (diff)
downloadlinux-12627578523d2d9396cae76b1dad0ed3dccf1730.tar.xz
linux-12627578523d2d9396cae76b1dad0ed3dccf1730.zip
OMAP: powerdomain: Arch specific funcs for logic control
Define the following architecture specific funtions for omap2/3/4 .pwrdm_set_logic_retst .pwrdm_read_logic_pwrst .pwrdm_read_prev_logic_pwrst .pwrdm_read_logic_retst Convert the platform-independent framework to call these functions. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com> Tested-by: Kevin Hilman <khilman@deeprootsystems.com> Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Rajendra Nayak <rnayak@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/powerdomain.c')
-rw-r--r--arch/arm/mach-omap2/powerdomain.c51
1 files changed, 22 insertions, 29 deletions
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 0ae1ebf4e974..562a3fe9db5b 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -532,7 +532,7 @@ int pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
*/
int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
{
- u32 v;
+ int ret = -EINVAL;
if (!pwrdm)
return -EINVAL;
@@ -543,17 +543,10 @@ int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
pr_debug("powerdomain: setting next logic powerstate for %s to %0x\n",
pwrdm->name, pwrst);
- /*
- * The register bit names below may not correspond to the
- * actual names of the bits in each powerdomain's register,
- * but the type of value returned is the same for each
- * powerdomain.
- */
- v = pwrst << __ffs(OMAP3430_LOGICL1CACHERETSTATE_MASK);
- prm_rmw_mod_reg_bits(OMAP3430_LOGICL1CACHERETSTATE_MASK, v,
- pwrdm->prcm_offs, pwrstctrl_reg_offs);
+ if (arch_pwrdm && arch_pwrdm->pwrdm_set_logic_retst)
+ ret = arch_pwrdm->pwrdm_set_logic_retst(pwrdm, pwrst);
- return 0;
+ return ret;
}
/**
@@ -696,11 +689,15 @@ int pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, u8 pwrst)
*/
int pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
{
+ int ret = -EINVAL;
+
if (!pwrdm)
return -EINVAL;
- return prm_read_mod_bits_shift(pwrdm->prcm_offs, pwrstst_reg_offs,
- OMAP3430_LOGICSTATEST_MASK);
+ if (arch_pwrdm && arch_pwrdm->pwrdm_read_logic_pwrst)
+ ret = arch_pwrdm->pwrdm_read_logic_pwrst(pwrdm);
+
+ return ret;
}
/**
@@ -713,17 +710,15 @@ int pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
*/
int pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm)
{
+ int ret = -EINVAL;
+
if (!pwrdm)
return -EINVAL;
- /*
- * The register bit names below may not correspond to the
- * actual names of the bits in each powerdomain's register,
- * but the type of value returned is the same for each
- * powerdomain.
- */
- return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP3430_PM_PREPWSTST,
- OMAP3430_LASTLOGICSTATEENTERED_MASK);
+ if (arch_pwrdm && arch_pwrdm->pwrdm_read_prev_logic_pwrst)
+ ret = arch_pwrdm->pwrdm_read_prev_logic_pwrst(pwrdm);
+
+ return ret;
}
/**
@@ -736,17 +731,15 @@ int pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm)
*/
int pwrdm_read_logic_retst(struct powerdomain *pwrdm)
{
+ int ret = -EINVAL;
+
if (!pwrdm)
return -EINVAL;
- /*
- * The register bit names below may not correspond to the
- * actual names of the bits in each powerdomain's register,
- * but the type of value returned is the same for each
- * powerdomain.
- */
- return prm_read_mod_bits_shift(pwrdm->prcm_offs, pwrstctrl_reg_offs,
- OMAP3430_LOGICSTATEST_MASK);
+ if (arch_pwrdm && arch_pwrdm->pwrdm_read_logic_retst)
+ ret = arch_pwrdm->pwrdm_read_logic_retst(pwrdm);
+
+ return ret;
}
/**