From: Paul Walmsley <paul@pwsan.com>
To: linux-omap-open-source@linux.omap.com
Subject: [PATCH 23/27] omap2 clock: use standard clk->enable/disable for APLLs
Date: Mon, 27 Aug 2007 02:39:19 -0600 [thread overview]
Message-ID: <20070827084124.364861157@pwsan.com> (raw)
In-Reply-To: 20070827083856.549249288@pwsan.com
[-- Attachment #1: clean-up-apll-enable-disable.patch --]
[-- Type: text/plain, Size: 3220 bytes --]
Now that we're calling the clock-specific enable & disable code, we can
get rid of the special-case code in _omap2_clk_{enable,disable}() for the
APLLs.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/mach-omap2/clock.c | 20 ++++++++------------
arch/arm/mach-omap2/clock.h | 6 ++++++
2 files changed, 14 insertions(+), 12 deletions(-)
Index: linux-omap/arch/arm/mach-omap2/clock.c
===================================================================
--- linux-omap.orig/arch/arm/mach-omap2/clock.c 2007-08-27 02:19:44.000000000 -0600
+++ linux-omap/arch/arm/mach-omap2/clock.c 2007-08-27 02:20:19.000000000 -0600
@@ -213,7 +213,7 @@
/* Enable an APLL if off */
-static void omap2_clk_fixed_enable(struct clk *clk)
+static int omap2_clk_fixed_enable(struct clk *clk)
{
u32 cval, apll_mask;
@@ -222,7 +222,7 @@
cval = cm_read_mod_reg(PLL_MOD, CM_CLKEN);
if ((cval & apll_mask) == apll_mask)
- return; /* apll already enabled */
+ return 0; /* apll already enabled */
cval &= ~apll_mask;
cval |= apll_mask;
@@ -235,6 +235,12 @@
omap2_wait_clock_ready(OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), cval,
clk->name);
+
+ /*
+ * REVISIT: Should we return an error code if omap2_wait_clock_ready()
+ * fails?
+ */
+ return 0;
}
static void omap2_clk_wait_ready(struct clk *clk)
@@ -289,11 +295,6 @@
return -EINVAL;
}
- if (clk->enable_reg == OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN)) {
- omap2_clk_fixed_enable(clk);
- return 0;
- }
-
regval32 = cm_read_reg(clk->enable_reg);
regval32 |= (1 << clk->enable_bit);
cm_write_reg(regval32, clk->enable_reg);
@@ -337,11 +338,6 @@
return;
}
- if (clk->enable_reg == OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN)) {
- omap2_clk_fixed_disable(clk);
- return;
- }
-
regval32 = cm_read_reg(clk->enable_reg);
regval32 &= ~(1 << clk->enable_bit);
cm_write_reg(regval32, clk->enable_reg);
Index: linux-omap/arch/arm/mach-omap2/clock.h
===================================================================
--- linux-omap.orig/arch/arm/mach-omap2/clock.h 2007-08-27 02:20:15.000000000 -0600
+++ linux-omap/arch/arm/mach-omap2/clock.h 2007-08-27 02:20:19.000000000 -0600
@@ -38,6 +38,8 @@
static u32 omap2_divisor_to_clksel(struct clk *clk, u32 div);
static void omap2_dpll_recalc(struct clk *clk);
static void omap2_fixed_divisor_recalc(struct clk *clk);
+static int omap2_clk_fixed_enable(struct clk *clk);
+static void omap2_clk_fixed_disable(struct clk *clk);
static long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate);
static int omap2_clksel_set_rate(struct clk *clk, unsigned long rate);
static int omap2_reprogram_dpll(struct clk *clk, unsigned long rate);
@@ -647,6 +649,8 @@
RATE_FIXED | RATE_PROPAGATES,
.enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_bit = OMAP24XX_EN_96M_PLL_SHIFT,
+ .enable = &omap2_clk_fixed_enable,
+ .disable = &omap2_clk_fixed_disable,
.recalc = &propagate_rate,
};
@@ -658,6 +662,8 @@
RATE_FIXED | RATE_PROPAGATES,
.enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_bit = OMAP24XX_EN_54M_PLL_SHIFT,
+ .enable = &omap2_clk_fixed_enable,
+ .disable = &omap2_clk_fixed_disable,
.recalc = &propagate_rate,
};
--
next prev parent reply other threads:[~2007-08-27 8:39 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-27 8:38 [PATCH 00/27] omap2 clock: resend: framework generalization, cleanup Paul Walmsley
2007-08-27 8:38 ` [PATCH 01/27] omap2 clock: dsp_ick parent is dsp_fck, not core_ck Paul Walmsley
2007-08-27 8:38 ` [PATCH 02/27] omap2 clock: generalize initial clock rate setup: recalculate_root_clocks() Paul Walmsley
2007-08-27 8:38 ` [PATCH 03/27] omap2 clock: mark onchip_clksas __initdata Paul Walmsley
2007-08-27 8:39 ` [PATCH 04/27] omap2 clock: remove superfluous omap2_propagate_rate() Paul Walmsley
2007-08-27 8:39 ` [PATCH 05/27] omap2 clock: rename, add comment to omap2_mpu_recalc() Paul Walmsley
2007-08-27 8:39 ` [PATCH 06/27] omap2 clock: add clksel and clksel_rate data Paul Walmsley
2007-08-27 8:39 ` [PATCH 07/27] omap2 clock: init clksel clock parents to hardware reality at clock init Paul Walmsley
2007-08-27 8:39 ` [PATCH 08/27] omap2 clock: convert omap2_clksel_to_divisor and omap2_divisor_to_clksel to use new clksel struct Paul Walmsley
2007-08-27 8:39 ` [PATCH 09/27] omap2 clock: convert omap2_clksel_round_rate " Paul Walmsley
2007-08-27 8:39 ` [PATCH 10/27] omap2 clock: convert omap2_get_clksel " Paul Walmsley
2007-08-27 8:39 ` [PATCH 11/27] omap2 clock: convert omap2_clksel_get_src_field() " Paul Walmsley
2007-08-27 8:39 ` [PATCH 12/27] omap2 clock: stop using clk->src_offset in omap2_clk_set_rate() Paul Walmsley
2007-08-27 8:39 ` [PATCH 13/27] omap2 clock: stop using clk->src_offset in omap2_clk_set_parent() Paul Walmsley
2007-08-27 8:39 ` [PATCH 14/27] omap2 clock: clean out old code from omap2_clksel_recalc() Paul Walmsley
2007-08-27 8:39 ` [PATCH 15/27] omap2 clock: convert remaining clksel clocks to use omap2_clksel_recalc Paul Walmsley
2007-08-27 8:39 ` [PATCH 16/27] omap2 clock: remove all {src, rate}_offset fields from struct clk Paul Walmsley
2007-08-27 8:39 ` [PATCH 17/27] omap2 clock: use the struct clk round_rate field for clksel rate rounding code Paul Walmsley
2007-08-27 8:39 ` [PATCH 18/27] omap2 clock: separate clksel set_rate code into its own function Paul Walmsley
2007-08-27 8:39 ` [PATCH 19/27] omap2 clock: drop RATE_CKCTL from all OMAP2 clocks Paul Walmsley
2007-08-27 8:39 ` [PATCH 20/27] omap2 clock: remove *_SEL* clock flags Paul Walmsley
2007-08-27 8:39 ` [PATCH 21/27] omap2 clock: call clock-specific enable/disable functions if present Paul Walmsley
2007-08-27 8:39 ` [PATCH 22/27] omap2 clock: use custom osc_ck enable/disable routines Paul Walmsley
2007-08-27 8:39 ` Paul Walmsley [this message]
2007-08-27 8:39 ` [PATCH 24/27] omap2 clock: replace omap2_get_crystal_rate() with clock-specific recalc code Paul Walmsley
2007-08-27 8:39 ` [PATCH 25/27] omap2 clock: Standardize DPLL rate recalculation with struct dpll_data Paul Walmsley
2007-08-27 8:39 ` [PATCH 26/27] omap2 clock: generalize clock enable upon framework initialization Paul Walmsley
2007-08-27 8:39 ` [PATCH 27/27] omap2 clock: add three missing clocks: gpmc_fck, sdma_{i, f}ck Paul Walmsley
2007-08-31 18:24 ` [PATCH 00/27] omap2 clock: resend: framework generalization, cleanup Tony Lindgren
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